https://devapps.quickvid.appRefined celebrity coverage with sleek polish.en-usWed, 15 Jul 2026 07:56:02 -0400https://devapps.quickvid.app/in-dx-popup-i-am-not-able-to-retrieve-the-data.htmlhttps://devapps.quickvid.app/in-dx-popup-i-am-not-able-to-retrieve-the-data.htmlI have created the code to open the dx-popup but any how I am not able to retrieve the data in that on TrainingsService.ts file I have written code as @Injectable() export class TrainingsService......Wed, 15 Jul 2026 11:50:39 -0400https://devapps.quickvid.app/what-is-the-best-way-to-add-new-lines-and-new-paragraphs-in-latex.htmlhttps://devapps.quickvid.app/what-is-the-best-way-to-add-new-lines-and-new-paragraphs-in-latex.htmlI'm currently writing a report where I write new paragraphs like this: I like sharks, sharks are cool. Also bears are really cool. Which basically has one completely empty line between then. In ......Wed, 15 Jul 2026 11:28:42 -0400https://devapps.quickvid.app/what-is-a-span-and-when-should-i-use-one.htmlhttps://devapps.quickvid.app/what-is-a-span-and-when-should-i-use-one.htmlRecently I've gotten suggestions to use span<T>'s in my code, or have seen some answers here on the site which use span's - supposedly some kind of container. But - I can't find anything like......Wed, 15 Jul 2026 11:25:25 -0400https://devapps.quickvid.app/how-to-check-if-pytorch-is-using-the-gpu.htmlhttps://devapps.quickvid.app/how-to-check-if-pytorch-is-using-the-gpu.htmlHow do I check if pytorch is using the GPU? It's possible to detect with nvidia-smi if there is any activity from the GPU during the process, but I want something written in a python script....Wed, 15 Jul 2026 11:14:17 -0400https://devapps.quickvid.app/laravel-copy-record-and-duplicate-with-new-values.htmlhttps://devapps.quickvid.app/laravel-copy-record-and-duplicate-with-new-values.htmlHow can i copy a record and save it with a different value for 1 or more field? for example: get----> first_name, last_name, civil_status, work i want to copy the first name, and last name then i......Wed, 15 Jul 2026 11:03:54 -0400https://devapps.quickvid.app/how-do-h1-text-became-smaller-when-i-used-tailwind-css-duplicate.htmlhttps://devapps.quickvid.app/how-do-h1-text-became-smaller-when-i-used-tailwind-css-duplicate.htmlI am currently working on a website for learning react and node.js. When I want CSS I heard about tailwind CSS which is a very good collection of CSS. I decided to use tailwind in my react project. I ...Wed, 15 Jul 2026 11:02:23 -0400https://devapps.quickvid.app/db2-803-error-when-trying-to-insert-a-non-existent-record-in-table.htmlhttps://devapps.quickvid.app/db2-803-error-when-trying-to-insert-a-non-existent-record-in-table.htmlThe user is getting this error while trying to add a new record to the database: com.jcorporate.expresso.core.db.DBException: Unable to add record to database for record with key 'CSQ119/C/CSQ11......Wed, 15 Jul 2026 10:55:51 -0400https://devapps.quickvid.app/jinja2-check-if-value-exists-in-list-of-dictionaries.htmlhttps://devapps.quickvid.app/jinja2-check-if-value-exists-in-list-of-dictionaries.htmlI am trying to check if a value exists inside a list with dictionaries. I use flask 1.0.2. See example below: person_list_dict = [ { "name": "John Doe", "email": "johndoe@mydom......Wed, 15 Jul 2026 10:47:56 -0400https://devapps.quickvid.app/no-module-named-snowflake-found.htmlhttps://devapps.quickvid.app/no-module-named-snowflake-found.htmlI am working on a notebook on a SageMaker instance at my work. My goal is to connect my jupyter notebook to the snowflake database so as to query some data. Here are some details regarding my probl......Wed, 15 Jul 2026 10:44:18 -0400https://devapps.quickvid.app/unify-the-internal-format-of-the-cards-in-vue-js-with-element-ui.htmlhttps://devapps.quickvid.app/unify-the-internal-format-of-the-cards-in-vue-js-with-element-ui.htmlI want to somehow unify the internal format of the cards. But this does not happen because of the different lengths of the books' names. Also, the submission button is not in a fixed position relat......Wed, 15 Jul 2026 10:32:20 -0400https://devapps.quickvid.app/how-to-pretty-print-nested-dictionaries.htmlhttps://devapps.quickvid.app/how-to-pretty-print-nested-dictionaries.htmlHow can I pretty print a dictionary with depth of ~4 in Python? I tried pretty printing with pprint(), but it did not work: import pprint pp = pprint.PrettyPrinter(indent=4) pp.pprint(mydict) I ......Wed, 15 Jul 2026 10:24:57 -0400https://devapps.quickvid.app/how-can-i-increase-the-execution-time-of-aws-lambda-function-more-than.htmlhttps://devapps.quickvid.app/how-can-i-increase-the-execution-time-of-aws-lambda-function-more-than.htmlI have lambda function that take more than 5 min to run. How can I increase the execution time of lambda function more than 5 min so my program can keep going? END RequestId: 5b676871-1eef-1xex-bxxa-...Wed, 15 Jul 2026 10:22:23 -0400https://devapps.quickvid.app/how-can-i-display-the-output-of-a-opscode-chef-bash-command-in-my-cons.htmlhttps://devapps.quickvid.app/how-can-i-display-the-output-of-a-opscode-chef-bash-command-in-my-cons.htmlI use Vagrant to spawn a standard "precise32" box and provision it with Chef so I can test my Node.js code on Linux when I work on a Windows machine. This works fine. I also have this bash command......Wed, 15 Jul 2026 10:18:18 -0400https://devapps.quickvid.app/how-can-i-test-if-a-letter-in-a-string-is-uppercase-or-lowercase-using.htmlhttps://devapps.quickvid.app/how-can-i-test-if-a-letter-in-a-string-is-uppercase-or-lowercase-using.htmlHow can I test if a letter in a string is uppercase or lowercase using JavaScript?...Wed, 15 Jul 2026 10:16:09 -0400https://devapps.quickvid.app/what-is-betterjspop-error-on-chrome.htmlhttps://devapps.quickvid.app/what-is-betterjspop-error-on-chrome.htmlI am getting this error on Chrome with my React.js app. But on Mozilla it is working just fine. Does anybody know what it means or what is this error referring to? VM1407:20 Uncaught TypeError: Ca......Wed, 15 Jul 2026 09:57:03 -0400https://devapps.quickvid.app/how-to-convert-float-to-int-with-java.htmlhttps://devapps.quickvid.app/how-to-convert-float-to-int-with-java.htmlI used the following line to convert float to int, but it's not as accurate as I'd like: float a=8.61f; int b; b=(int)a; The result is : 8 (It should be 9) When a = -7.65f, the result is : -......Wed, 15 Jul 2026 09:51:42 -0400https://devapps.quickvid.app/htaccess-access-control-allow-origin.htmlhttps://devapps.quickvid.app/htaccess-access-control-allow-origin.htmlI'm creating a script that loads externally on other sites. It loads CSS and HTML and works fine on my own servers. However, when I try it on another website it displays this awful error: Access-...Wed, 15 Jul 2026 09:48:37 -0400https://devapps.quickvid.app/get-screen-width-and-height-in-android.htmlhttps://devapps.quickvid.app/get-screen-width-and-height-in-android.htmlHow can I get the screen width and height and use this value in: @Override protected void onMeasure(int widthSpecId, int heightSpecId) { Log.e(TAG, "onMeasure" + widthSpecId); ...Wed, 15 Jul 2026 09:48:12 -0400https://devapps.quickvid.app/apache-multiple-sub-domains-with-one-ip-address.htmlhttps://devapps.quickvid.app/apache-multiple-sub-domains-with-one-ip-address.htmlThis has probably been asked but I can't find a straight answer, or the ones I found don't work. I have one domain mydomain.com, resolving to an IP; let's call it 8.8.8.8. The DNS settings also po......Wed, 15 Jul 2026 09:46:01 -0400https://devapps.quickvid.app/5-7-57-smtp-client-was-not-authenticated-to-send-anonymous-mail-during.htmlhttps://devapps.quickvid.app/5-7-57-smtp-client-was-not-authenticated-to-send-anonymous-mail-during.htmlI have to send mails using my web application. Given the below code showing The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 SMTP; ...Wed, 15 Jul 2026 09:40:39 -0400https://devapps.quickvid.app/can-a-predator-prey-isocline-with-holling-039-s-type-iv-functional-res.htmlhttps://devapps.quickvid.app/can-a-predator-prey-isocline-with-holling-039-s-type-iv-functional-res.htmlUsing R, I am trying to graphically analyze a predator-prey interaction, with a Holling's Type IV functional response, using predator prey isoclines. This is the script I am using: library(deSol......Wed, 15 Jul 2026 09:39:37 -0400https://devapps.quickvid.app/having-trouble-accessing-dev-serial0-on-a-raspi-from-within-a-module-i.htmlhttps://devapps.quickvid.app/having-trouble-accessing-dev-serial0-on-a-raspi-from-within-a-module-i.htmlI'm trying to set up a Module which will interact with /dev/serial0 on a Raspberry Pi B+ running Raspian Stretch. I've used dtoverlay=pi3-miniuart-bt in /boot/config.txtto restore UART0/ttyAMA0 to ......Wed, 15 Jul 2026 09:35:08 -0400https://devapps.quickvid.app/java-java-lang-double-cannot-be-cast-to-java-lang-string.htmlhttps://devapps.quickvid.app/java-java-lang-double-cannot-be-cast-to-java-lang-string.htmlI am storing a double value inside the a HashMap as shown HashMap listMap = new HashMap(); double mvalue =0.0; listMap.put("mvalue",mvalue ); Now when i tried to retrieve that value , as shown ...Wed, 15 Jul 2026 09:17:13 -0400https://devapps.quickvid.app/see-html-preview-on-side-tab-in-vscode.htmlhttps://devapps.quickvid.app/see-html-preview-on-side-tab-in-vscode.htmlHow can I see the HTML code live preview on the side tab in the VSCode editor? end result I want: CSS, js, PHP, etc should also work in the preview....Wed, 15 Jul 2026 09:17:11 -0400https://devapps.quickvid.app/seaborn-facetgrid-with-mosaic-plot.htmlhttps://devapps.quickvid.app/seaborn-facetgrid-with-mosaic-plot.htmlTrying to plot a grid of mosaic plots using Seaborn's FacetGrid and statsmodels' mosaic and not quite making it. Example dataset: import pandas as pd import numpy as np import seaborn as sns import ...Wed, 15 Jul 2026 09:15:34 -0400https://devapps.quickvid.app/how-to-get-the-path-of-the-sketch-in-processing-datapath-not-working.htmlhttps://devapps.quickvid.app/how-to-get-the-path-of-the-sketch-in-processing-datapath-not-working.htmlUsing Processing 3-0-1 (not updated yet), I have a problem with the dataPath() function. My code : final String path = dataPath(""); //... void setup(){ //... println(path); //... } This ...Wed, 15 Jul 2026 09:06:06 -0400https://devapps.quickvid.app/difference-between-optional-orelse-and-optional-orelseget.htmlhttps://devapps.quickvid.app/difference-between-optional-orelse-and-optional-orelseget.htmlI am trying to understand the difference between the Optional<T>.orElse() and Optional<T>.orElseGet() methods. The description for the orElse() method is "Return the value if present, ...Wed, 15 Jul 2026 08:55:33 -0400https://devapps.quickvid.app/what-is-spark-driver-maxresultsize.htmlhttps://devapps.quickvid.app/what-is-spark-driver-maxresultsize.htmlThe ref says: Limit of total size of serialized results of all partitions for each Spark action (e.g. collect). Should be at least 1M, or 0 for unlimited. Jobs will be aborted if the total s......Wed, 15 Jul 2026 08:53:08 -0400https://devapps.quickvid.app/how-to-draw-a-rectangle-around-a-region-of-interest-in-python.htmlhttps://devapps.quickvid.app/how-to-draw-a-rectangle-around-a-region-of-interest-in-python.htmlI'm having trouble with import cv in my python code. My issue is I need to draw a rectangle around regions of interest in an image. How can this be done in python? I'm doing object detection and w......Wed, 15 Jul 2026 08:52:23 -0400https://devapps.quickvid.app/converting-array-to-list-in-java.htmlhttps://devapps.quickvid.app/converting-array-to-list-in-java.htmlHow do I convert an array to a list in Java? I used the Arrays.asList() but the behavior (and signature) somehow changed from Java SE 1.4.2 (docs now in archive) to 8 and most snippets I found on t......Wed, 15 Jul 2026 08:48:42 -0400https://devapps.quickvid.app/redirecting-http-https-non-www-www-https-non-www-https-no-certificate-.htmlhttps://devapps.quickvid.app/redirecting-http-https-non-www-www-https-non-www-https-no-certificate-.htmlI have seen many articles on rewrites. All good. But none covering this exact situation. So here is my question: hope you can help. Because I cannot get it to work. we run website on domain.com (......Wed, 15 Jul 2026 08:48:30 -0400https://devapps.quickvid.app/mutable-vs-immutable-objects.htmlhttps://devapps.quickvid.app/mutable-vs-immutable-objects.htmlI'm trying to get my head around mutable vs immutable objects. Using mutable objects gets a lot of bad press (e.g. returning an array of strings from a method) but I'm having trouble understanding ......Wed, 15 Jul 2026 08:30:55 -0400https://devapps.quickvid.app/how-do-you-permanently-delete-an-experiment-in-mlflow.htmlhttps://devapps.quickvid.app/how-do-you-permanently-delete-an-experiment-in-mlflow.htmlPermanent deletion of an experiment isn't documented anywhere. I'm using Mlflow w/ backend postgres db Here's what I've run: client = MlflowClient(tracking_uri=server) client.delete_experiment(1) ...Wed, 15 Jul 2026 08:30:35 -0400https://devapps.quickvid.app/unable-to-to-update-yt-dlp-using-pip-command.htmlhttps://devapps.quickvid.app/unable-to-to-update-yt-dlp-using-pip-command.htmlI am unable to update yt-dlp on MacOS Ventura 13.2.1 - hopefully someone can help me. My details are: [debug] Command-line config: ['-v'] [debug] Encodings: locale UTF-8, fs utf-8, pref UTF-8, out......Wed, 15 Jul 2026 08:09:37 -0400https://devapps.quickvid.app/calculate-md5-checksum-for-a-file.htmlhttps://devapps.quickvid.app/calculate-md5-checksum-for-a-file.htmlI'm using iTextSharp to read the text from a PDF file. However, there are times I cannot extract text, because the PDF file is only containing images. I download the same PDF files everyday, and I ......Wed, 15 Jul 2026 07:58:38 -0400https://devapps.quickvid.app/calculating-bst-time-from-date-object.htmlhttps://devapps.quickvid.app/calculating-bst-time-from-date-object.htmlI've reviewed a few questions on similar topics already, but none of them address calculating a destination timezone, taking its DST (daylight savings time) into account. I'm trying to write a simple ...Wed, 15 Jul 2026 07:50:08 -0400https://devapps.quickvid.app/using-react-youtube-is-there-any-way-to-reference-the-player-other-tha.htmlhttps://devapps.quickvid.app/using-react-youtube-is-there-any-way-to-reference-the-player-other-tha.htmlThe documentation for the react-youtube library is very scarce and I'm trying to reference the player to use the pauseVideo() and playVideo() functions when an external value changes. In the official ...Wed, 15 Jul 2026 07:44:57 -0400https://devapps.quickvid.app/making-a-15-minute-countdown-timer-with-buttons-javascript.htmlhttps://devapps.quickvid.app/making-a-15-minute-countdown-timer-with-buttons-javascript.htmlI have been playing around in Code.org and I have successfully created a countdown of 15 minutes using a text ("clock") and "start" button. This is the section of the code: onEvent("start", "click", ...Wed, 15 Jul 2026 07:32:28 -0400https://devapps.quickvid.app/run-r-script-from-command-line.htmlhttps://devapps.quickvid.app/run-r-script-from-command-line.htmlI have a file, called a.r, it has a chmod of 755, sayHello <- function(){ print('hello') } sayHello() How can I run this via command-line?...Wed, 15 Jul 2026 07:25:31 -0400https://devapps.quickvid.app/unable-to-run-command-chsh-s-bin-bash-username.htmlhttps://devapps.quickvid.app/unable-to-run-command-chsh-s-bin-bash-username.htmlI have a docker file where I have customized image myimage derived from some-debian-image (which derived from debian upstream.) FROM some-debian-image myimge USERNAME root:root .......................Wed, 15 Jul 2026 07:19:50 -0400https://devapps.quickvid.app/running-shell-command-and-capturing-the-output.htmlhttps://devapps.quickvid.app/running-shell-command-and-capturing-the-output.htmlI want to write a function that will execute a shell command and return its output as a string, no matter, is it an error or success message. I just want to get the same result that I would have go......Wed, 15 Jul 2026 07:06:09 -0400https://devapps.quickvid.app/error-lnk2005-main-already-defined-in-hold-obj.htmlhttps://devapps.quickvid.app/error-lnk2005-main-already-defined-in-hold-obj.htmlHi Please i have browsed all same error that i got but I didnt get solving for my problem, so I am using MS VC++ 2010 and i have two files a.c and b.c, each one works no error alone and each one h......Wed, 15 Jul 2026 06:53:40 -0400https://devapps.quickvid.app/regex-to-check-for-a-number-in-the-url-using-twig.htmlhttps://devapps.quickvid.app/regex-to-check-for-a-number-in-the-url-using-twig.htmlThis wouldnt be a big problem if I had known Twig a little more. Here is my code, I am trying to check whether the url contains number in it. {% set x = req.path %} {% set matches = x|regex_match(......Wed, 15 Jul 2026 06:35:16 -0400https://devapps.quickvid.app/length-cannot-be-resolved-or-is-not-a-field.htmlhttps://devapps.quickvid.app/length-cannot-be-resolved-or-is-not-a-field.htmlI have tried really hard to solve this with previous similar answers, but am still nto able to see my problem, hope you can help. My code looks like this: String MyContent =" "; String nextline = ......Wed, 15 Jul 2026 06:21:21 -0400https://devapps.quickvid.app/how-to-compare-files-from-two-different-branches.htmlhttps://devapps.quickvid.app/how-to-compare-files-from-two-different-branches.htmlI have a script that works fine in one branch and is broken in another. I want to look at the two versions side-by-side and see what's different. Is there a way to do this? To be clear I'm not look......Wed, 15 Jul 2026 06:12:47 -0400https://devapps.quickvid.app/phpmyadmin-not-working-on-localhost.htmlhttps://devapps.quickvid.app/phpmyadmin-not-working-on-localhost.htmlXampp version:1.7.7 (installed it on external hard drive), operating system: Windows 8, installed version 4.1.7 of phpMyAdmin and copied config.inc.php from my old version of phpmyadmin to the new ...Wed, 15 Jul 2026 06:12:08 -0400https://devapps.quickvid.app/pass-struct-to-xv6-system-call.htmlhttps://devapps.quickvid.app/pass-struct-to-xv6-system-call.htmlI'm aware which we are not able to pass parameters to xv6 system call directly and we are forced to use it's built in methods. But all examples and questions in this site is about how to send inte......Wed, 15 Jul 2026 06:11:51 -0400https://devapps.quickvid.app/transactional-propagation-propagation-required.htmlhttps://devapps.quickvid.app/transactional-propagation-propagation-required.htmlif some one can explain what this annotation do and when exactly we use it : @Transactional(propagation=Propagation.REQUIRED) Thanks...Wed, 15 Jul 2026 06:10:07 -0400https://devapps.quickvid.app/redirect-stderr-to-dev-null.htmlhttps://devapps.quickvid.app/redirect-stderr-to-dev-null.htmlI am using the following command on a Unix server: find . -type f -name "*.txt" | xargs grep -li 'needle' Since grep -R is not available, I have to use this find/xargs solution. Every time a file ...Wed, 15 Jul 2026 06:08:20 -0400https://devapps.quickvid.app/best-way-to-format-if-statement-with-multiple-conditions.htmlhttps://devapps.quickvid.app/best-way-to-format-if-statement-with-multiple-conditions.htmlIf you want to some code to execute based on two or more conditions which is the best way to format that if statement ? first example:- if(ConditionOne && ConditionTwo && Conditio......Wed, 15 Jul 2026 05:53:22 -0400https://devapps.quickvid.app/golang-slice-append-built-in-function-returning-value.htmlhttps://devapps.quickvid.app/golang-slice-append-built-in-function-returning-value.htmlThe return value of slice2 of this code is [[1 1][1 1]]. And that got me confuse because I was expecting [[0 0][1 1]]. I can't figure it out why is returning [[1 1][1 1]] and not [[0 0][1 1]]. I wo......Wed, 15 Jul 2026 05:41:26 -0400https://devapps.quickvid.app/how-can-l-uninstall-pytorch-with-anaconda.htmlhttps://devapps.quickvid.app/how-can-l-uninstall-pytorch-with-anaconda.htmlI installed PyTorch with: conda install pytorch torchvision cuda80 -c soumith How do I uninstall and remove all PyTorch dependencies?...Wed, 15 Jul 2026 05:34:27 -0400https://devapps.quickvid.app/postgresql-query-between-date-ranges.htmlhttps://devapps.quickvid.app/postgresql-query-between-date-ranges.htmlI am trying to query my postgresql db to return results where a date is in certain month and year. In other words I would like all the values for a month-year. The only way i've been able to do i......Wed, 15 Jul 2026 05:17:40 -0400https://devapps.quickvid.app/cmd-what-does-im-taskkill.htmlhttps://devapps.quickvid.app/cmd-what-does-im-taskkill.htmlI just read the following command: taskkill /f /im something.exe I read that /f forces the task to close, but what does /im do?...Wed, 15 Jul 2026 05:15:08 -0400https://devapps.quickvid.app/what-exactly-does-tf-keras-layers-dense-do.htmlhttps://devapps.quickvid.app/what-exactly-does-tf-keras-layers-dense-do.htmlMy question I'm using the Keras to build a convolutional neural network. I ran across the following: model = tf.keras.Sequential() model.add(layers.Dense(10*10*256, use_bias=False, input_shape=(1......Wed, 15 Jul 2026 05:06:07 -0400https://devapps.quickvid.app/how-can-i-make-to-date-in-amazon-redshift-work-with-multiple-date-form.htmlhttps://devapps.quickvid.app/how-can-i-make-to-date-in-amazon-redshift-work-with-multiple-date-form.htmlI have a string column with date-time values that I need to convert into dates in order to calculate a dense rank. This column can have any of the below 3 formats: MM-DD-YYYY H:MM:SS PM M-DD-YYYY H......Wed, 15 Jul 2026 05:05:48 -0400https://devapps.quickvid.app/how-to-check-if-a-form-is-valid-programmatically-using-jquery-validati.htmlhttps://devapps.quickvid.app/how-to-check-if-a-form-is-valid-programmatically-using-jquery-validati.htmlI have a form with a couple of buttons and I'm using jQuery Validation Plugin from http://jquery.bassistance.de/validate/. I just want to know if there is any way I can check if the form is conside......Wed, 15 Jul 2026 04:54:25 -0400https://devapps.quickvid.app/python-regex-match-space-only.htmlhttps://devapps.quickvid.app/python-regex-match-space-only.htmlIn python3, how do I match exactly whitespace character and not newline \n or tab \t? I've seen the \s+[^\n] answer from Regex match space not \n answer, but for the following example it does no......Wed, 15 Jul 2026 04:34:10 -0400https://devapps.quickvid.app/neg-in-assembly.htmlhttps://devapps.quickvid.app/neg-in-assembly.htmlneg 3BH As I understand, I should get C5, but from my own calculations I got C4 (I switch each 1 to 0 and each 0 to 1). What's the problem?...Wed, 15 Jul 2026 04:19:33 -0400https://devapps.quickvid.app/error-compiling-autorest-generated-client.htmlhttps://devapps.quickvid.app/error-compiling-autorest-generated-client.htmlAfter autogenerating client using Swagger OpenApi 3.0 spec, I'm unable to compile the generated client. I get error on objects ClientDiagnostics, RawRequestUriBuilder, Utf8JsonRequestContent. RestC......Wed, 15 Jul 2026 04:07:38 -0400https://devapps.quickvid.app/what-is-a-mock-and-when-should-you-use-it.htmlhttps://devapps.quickvid.app/what-is-a-mock-and-when-should-you-use-it.htmlI just read the Wikipedia article on mock objects, but I'm still not entirely clear on their purpose. It appears they are objects that are created by a test framework when the actual object would b......Wed, 15 Jul 2026 04:07:37 -0400https://devapps.quickvid.app/how-to-see-the-systemd-service-logs-in-ubuntu.htmlhttps://devapps.quickvid.app/how-to-see-the-systemd-service-logs-in-ubuntu.htmlI have a below service file: [Unit] Description=demo service Requisite=mosquitto.service BindsTo=mosquitto.service [Service] Type=simple ExecStart=/usr/bin/python3 /home/john/Documents/source/demo......Wed, 15 Jul 2026 04:03:49 -0400https://devapps.quickvid.app/how-to-add-multiple-columns-to-pandas-dataframe-in-one-assignment.htmlhttps://devapps.quickvid.app/how-to-add-multiple-columns-to-pandas-dataframe-in-one-assignment.htmlI'm trying to figure out how to add multiple columns to pandas simultaneously with Pandas. I would like to do this in one step rather than multiple repeated steps. import pandas as pd data = {'co......Wed, 15 Jul 2026 04:03:21 -0400https://devapps.quickvid.app/ora-20002-you-are-not-allowed-to-change-the-password-for-critical-sche.htmlhttps://devapps.quickvid.app/ora-20002-you-are-not-allowed-to-change-the-password-for-critical-sche.htmlI'm trying to change the password for Oracle DB user but I'm getting below error: ORA-28003: password verification for the specified password ORA-20002: YOU ARE NOT ALLOWED TO CHANGE THE PASSWORD ......Wed, 15 Jul 2026 04:02:50 -0400https://devapps.quickvid.app/amazon-api-gateway-timeout.htmlhttps://devapps.quickvid.app/amazon-api-gateway-timeout.htmlI have some issue with API gateway. I made a few API methods, sometimes they work longer than 10 seconds and Amazon returns 504 error. Here is screenshot below: Please help! How can I increase tim......Wed, 15 Jul 2026 04:00:56 -0400https://devapps.quickvid.app/classpath-running-a-java-program-from-the-command-line.htmlhttps://devapps.quickvid.app/classpath-running-a-java-program-from-the-command-line.htmlMy code compiled fine with the following command: javac -cp "../lib/*" AvroReader.java (lib is where i put my jar files) At run time I get a ClassNotFoundException on the following line: ...Wed, 15 Jul 2026 03:50:38 -0400https://devapps.quickvid.app/can-i-set-subject-content-of-email-using-mailto.htmlhttps://devapps.quickvid.app/can-i-set-subject-content-of-email-using-mailto.htmlIs it possible to set the subject/content of email when I use mailto:?...Wed, 15 Jul 2026 03:50:18 -0400https://devapps.quickvid.app/hibernate-opensession-vs-getcurrentsession.htmlhttps://devapps.quickvid.app/hibernate-opensession-vs-getcurrentsession.htmlI have some questions about using Hibernate in JSP web application. What should be the value for hibernate.current_session_context_class? Then, which of the following statements should be used? An......Wed, 15 Jul 2026 03:32:00 -0400https://devapps.quickvid.app/center-image-in-div-horizontally-duplicate.htmlhttps://devapps.quickvid.app/center-image-in-div-horizontally-duplicate.htmlI have an img in a div (class="top_image") and I want this image to be exactly in the middle of the div but nothing I try works... Thanks for any help!...Wed, 15 Jul 2026 03:25:55 -0400https://devapps.quickvid.app/isodate-is-not-defined.htmlhttps://devapps.quickvid.app/isodate-is-not-defined.htmlI am trying to get results from mongodb using nodejs/mongoose. var dateStr = new Date(year,month,day,0,0,0); var nextDate = new Date(year,month,day,23,59,59); GPSData.find({"createdAt" : { $gte :......Wed, 15 Jul 2026 03:21:03 -0400https://devapps.quickvid.app/microsoft-sql-int-type-take-not-negative-value.htmlhttps://devapps.quickvid.app/microsoft-sql-int-type-take-not-negative-value.htmlI have a problem. I created a table in Microsoft SQL and I would like one column to take not negative values. For example, EmployeeSalary column type is int and it hasn't a negative value....Wed, 15 Jul 2026 03:13:30 -0400https://devapps.quickvid.app/an-exception-occurred-while-executing-a-transact-sql-statement-or-batc.htmlhttps://devapps.quickvid.app/an-exception-occurred-while-executing-a-transact-sql-statement-or-batc.htmlI keep getting the error message: an exception occurred while executing a transact-sql statement or batch when trying to do anything in SQL Server Management Studio 2016. This occurs when I t......Wed, 15 Jul 2026 03:09:28 -0400https://devapps.quickvid.app/how-to-hide-delete-underline-input-angular-material.htmlhttps://devapps.quickvid.app/how-to-hide-delete-underline-input-angular-material.htmlI have input element in Angular Material: <md-input-container> <input type="text" mdInput placeholder=""> </md-input-container> When input has focus it displays underline. How t......Wed, 15 Jul 2026 02:50:15 -0400https://devapps.quickvid.app/how-can-i-generate-a-git-patch-for-a-specific-commit.htmlhttps://devapps.quickvid.app/how-can-i-generate-a-git-patch-for-a-specific-commit.htmlI need to write a script that creates patches for a list of SHA-1 commit numbers. I tried using git format-patch <the SHA1>, but that generated a patch for each commit since that SHA-1 value.......Wed, 15 Jul 2026 02:48:27 -0400https://devapps.quickvid.app/how-do-take-natural-log-of-a-double-in-matlab.htmlhttps://devapps.quickvid.app/how-do-take-natural-log-of-a-double-in-matlab.htmlI am attempting to that the natural log of a number, I get the message: tf2 = 60*ln(B1); Undefined function 'ln' for input arguments of type 'double'. So i try to cast the number as a float whic......Wed, 15 Jul 2026 02:10:03 -0400https://devapps.quickvid.app/how-to-create-a-delete-mutation-in-graphql.htmlhttps://devapps.quickvid.app/how-to-create-a-delete-mutation-in-graphql.htmlStackOverflow! One day ago I've started to learn a new thing for me - GraphQL. Now I know how to add and read objects from a database using GraphQL. I have tried to find an answer to question "how......Wed, 15 Jul 2026 01:49:11 -0400https://devapps.quickvid.app/non-numeric-argument-to-binary-operator-closed.htmlhttps://devapps.quickvid.app/non-numeric-argument-to-binary-operator-closed.htmlI'm attempting to create my first function in R. The function should take in a data frame, x-series from data frame, y-series from data frame, and plot a scatter plot. Seems simple enough, but I run ...Wed, 15 Jul 2026 01:45:09 -0400https://devapps.quickvid.app/reactjs-router-v4-history-push-not-working.htmlhttps://devapps.quickvid.app/reactjs-router-v4-history-push-not-working.htmlI have upgraded to React Router V4 and now struggling with the history.push method. I have an index.js file: import React from "react"; import { render } from "react-dom"; import { BrowserRouter,......Wed, 15 Jul 2026 01:31:57 -0400https://devapps.quickvid.app/how-to-convert-string-to-boolean-in-typescript-angular-4.htmlhttps://devapps.quickvid.app/how-to-convert-string-to-boolean-in-typescript-angular-4.htmlI know am not the first to ask this and as I mentioned in my title ,I am trying to convert string value boolean . I have previously put some values into local storage,Now I want to get all the val......Wed, 15 Jul 2026 01:27:32 -0400https://devapps.quickvid.app/nginx-set-multiple-server-name-with-ssl-support.htmlhttps://devapps.quickvid.app/nginx-set-multiple-server-name-with-ssl-support.htmlI'd love to use nginx to serve a website with multiple domain names and SSL: webmail.example.com webmail.beispiel.de Both use the same vhost so I only set the server_name twice. Problem is, that ......Wed, 15 Jul 2026 01:26:43 -0400https://devapps.quickvid.app/extract-day-of-week-from-date-field-in-postgresql-assuming-weeks-start.htmlhttps://devapps.quickvid.app/extract-day-of-week-from-date-field-in-postgresql-assuming-weeks-start.htmlselect extract(dow from datefield) extract a number from 0 to 6, where 0 is Sunday; is there a way to get the day of the week in SQL assuming that weeks start on Monday (so 0 will be Monday)?...Wed, 15 Jul 2026 01:23:37 -0400https://devapps.quickvid.app/connecting-via-hostname-using-socket-works-but-not-for-all-ports.htmlhttps://devapps.quickvid.app/connecting-via-hostname-using-socket-works-but-not-for-all-ports.htmlI wanted to see how sockets work, so I skimmed through the HOWTO and the docs and tried to write my own code. The server side looks like this: ssock = socket.socket(socket.AF_INET, socket.SOCK_STR......Wed, 15 Jul 2026 01:23:22 -0400https://devapps.quickvid.app/error-039-invalid-hostname-for-this-tenancy-039-on-using-graph-api-of-.htmlhttps://devapps.quickvid.app/error-039-invalid-hostname-for-this-tenancy-039-on-using-graph-api-of-.htmlI am new to sharepoint and now I am trying to create a webhook for my sharepoint sites, such that on any crud operation i would get notification in my app I have created a webapp to receive notifi......Wed, 15 Jul 2026 01:21:13 -0400https://devapps.quickvid.app/what-should-i-do-to-use-bing-translator-in-ios.htmlhttps://devapps.quickvid.app/what-should-i-do-to-use-bing-translator-in-ios.htmlI want to translate a word in my app. First I wanted to use Google Translate but I saw Google Translate's API is not free. So I tried to use Bing Translator, I followed this tutorial, but in step 3......Wed, 15 Jul 2026 01:03:15 -0400https://devapps.quickvid.app/how-to-list-the-certificates-stored-in-a-pkcs12-keystore-with-keytool.htmlhttps://devapps.quickvid.app/how-to-list-the-certificates-stored-in-a-pkcs12-keystore-with-keytool.htmlI wanted to list the certificates stored in a PKCS12 keystore. The keystore has the extension .pfx...Wed, 15 Jul 2026 01:02:54 -0400https://devapps.quickvid.app/why-can-039-t-you-import-python-2-modules-in-python-3.htmlhttps://devapps.quickvid.app/why-can-039-t-you-import-python-2-modules-in-python-3.htmlIs there any theoretical reason that stops this? As far as I know python modules can be written in C? What's the reason you can't call functions written in python 2 in python 3?...Wed, 15 Jul 2026 00:51:16 -0400https://devapps.quickvid.app/basic-plotting-in-running-idl-procedure.htmlhttps://devapps.quickvid.app/basic-plotting-in-running-idl-procedure.htmlI started learning IDL a few hours ago. I have constructed the following procedure in a .pro called 'plots.pro': PRO PLOTS num=findgen(40)*10 line=sin(num*!DtoR) plot, num, line END It seems I sh......Wed, 15 Jul 2026 00:38:51 -0400https://devapps.quickvid.app/css-selector-for-table-column.htmlhttps://devapps.quickvid.app/css-selector-for-table-column.htmlI dont have much experience with CSS, but I am trying to help a friend format a table using CSS. Right now I got stuck trying to format table width, here is an example of the table: https://form.jo......Wed, 15 Jul 2026 00:32:30 -0400https://devapps.quickvid.app/how-to-create-a-slanted-wall-with-revit-api.htmlhttps://devapps.quickvid.app/how-to-create-a-slanted-wall-with-revit-api.htmlIm trying to develop script for myself in dynamo(Revit 2021), but I don't understand how can I create the slanted wall? According to this blog of changes in revit 2021, there are such parameters for ...Wed, 15 Jul 2026 00:05:21 -0400https://devapps.quickvid.app/converting-numpy-array-to-opencv-array.htmlhttps://devapps.quickvid.app/converting-numpy-array-to-opencv-array.htmlI'm trying to convert a 2D Numpy array, representing a black-and-white image, into a 3-channel OpenCV array (i.e. an RGB image). Based on code samples and the docs I'm attempting to do this via Py......Tue, 14 Jul 2026 23:58:00 -0400https://devapps.quickvid.app/coldfusion-cfmail-how-do-i-keep-the-formatting.htmlhttps://devapps.quickvid.app/coldfusion-cfmail-how-do-i-keep-the-formatting.htmlIn my ColdFusion program I create email (HTML/CSS) for one or many recipients, and place it in a .cfm file. The email is nicely formatted. When I run the saved file as a program, the cfmail tag s......Tue, 14 Jul 2026 23:40:05 -0400https://devapps.quickvid.app/get-the-current-url-with-javascript.htmlhttps://devapps.quickvid.app/get-the-current-url-with-javascript.htmlAll I want is to get the website URL. Not the URL as taken from a link. On the page loading I need to be able to grab the full, current URL of the website and set it as a variable to do with as I p......Tue, 14 Jul 2026 23:36:36 -0400https://devapps.quickvid.app/modulenotfounderror-no-module-named-039-scikitplot-039.htmlhttps://devapps.quickvid.app/modulenotfounderror-no-module-named-039-scikitplot-039.htmlI want to use scikitlearn in my notebook. I installed it by this code: !pip install scikit-plot from scikitplot.estimators import plot_feature_importances from scikitplot.metrics import ...Tue, 14 Jul 2026 23:34:16 -0400https://devapps.quickvid.app/how-to-create-hoc-for-auth-in-next-js.htmlhttps://devapps.quickvid.app/how-to-create-hoc-for-auth-in-next-js.htmlI want to create basic Next.js HOC for authentication. I searched but I didn't figure it out. I have an admin page in my Next.js app. I want to fetch from http://localhost:4000/user/me and that URL ...Tue, 14 Jul 2026 23:11:05 -0400https://devapps.quickvid.app/why-do-i-get-an-error-039-unicode-039-object-does-not-support-item-del.htmlhttps://devapps.quickvid.app/why-do-i-get-an-error-039-unicode-039-object-does-not-support-item-del.htmlI am trying to loop through a list of objects deleting an element from each object. Each object is a new line. I am trying to then save the new file as is without the element contained within the o......Tue, 14 Jul 2026 23:10:14 -0400https://devapps.quickvid.app/matlab-multiply-matrix-with-vector-of-matrices.htmlhttps://devapps.quickvid.app/matlab-multiply-matrix-with-vector-of-matrices.htmlI have a matrix of scalars (A): 1 2 3 4 5 6 7 8 9 And 3 other matrices of the same size (100X200), B,C,D. I want to do the following: A*[B,C,D] so that the outcome will be [1*......Tue, 14 Jul 2026 23:02:40 -0400https://devapps.quickvid.app/map-to-list-error-series-object-not-callable.htmlhttps://devapps.quickvid.app/map-to-list-error-series-object-not-callable.htmlfrom nsepy import get_history from datetime import date import datetime import pandas as pd import numpy as np file = r'C:\Users\Raspberry-Pi\Desktop\Desktop\List.xlsx' list = pd.read_excel(file) l......Tue, 14 Jul 2026 22:56:00 -0400https://devapps.quickvid.app/no-exact-matches-in-call-to-initializer-error-message-in-swift.htmlhttps://devapps.quickvid.app/no-exact-matches-in-call-to-initializer-error-message-in-swift.htmlI'm confused. Could someone please tell me why I get a "No exact matches in call to initializer" error when I have this code.... let bill = textField.text let billTotal = Double(bill) but......Tue, 14 Jul 2026 22:55:22 -0400https://devapps.quickvid.app/overflow-error-in-python-039-s-numpy-exp-function.htmlhttps://devapps.quickvid.app/overflow-error-in-python-039-s-numpy-exp-function.htmlI want to use numpy.exp like this: cc = np.array([ [0.120,0.34,-1234.1] ]) print 1/(1+np.exp(-cc)) But this gives me error: /usr/local/lib/python2.7/site-packages/ipykernel/__main__.py:5: ...Tue, 14 Jul 2026 22:54:19 -0400https://devapps.quickvid.app/different-axis-indication-between-np-delete-and-np-mean-in-numpy-array.htmlhttps://devapps.quickvid.app/different-axis-indication-between-np-delete-and-np-mean-in-numpy-array.htmlI have learned the axis indication of numpy array from how is axis indexed in numpy's array The article says that, for 2-D array, axis=0 stands for each col in array, and axis=1 for each row in arr......Tue, 14 Jul 2026 22:51:44 -0400