https://devapps.quickvid.appRefined celebrity coverage with sleek polish.en-usWed, 15 Jul 2026 00:52:18 -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 -0400https://devapps.quickvid.app/value-too-great-for-base-error-token-is-08-duplicate.htmlhttps://devapps.quickvid.app/value-too-great-for-base-error-token-is-08-duplicate.htmlHere my problem is to find the difference of using single bracket [ ] and double brackets [[ ]] in if statement. #!/bin/bash vara=08; varb=10; ## single bracket in if statment is working. if [ $v......Tue, 14 Jul 2026 22:48:44 -0400https://devapps.quickvid.app/does-at-symbol-and-dollar-sign-has-any-special-meaning-in-c-or-c.htmlhttps://devapps.quickvid.app/does-at-symbol-and-dollar-sign-has-any-special-meaning-in-c-or-c.htmlRecently one of my friend encountered this question in an interview. The interviewer asked him if the special characters like $, @, |, ^, ~ have any usage in c or c++ and where. I know that |, ^ a......Tue, 14 Jul 2026 22:47:37 -0400https://devapps.quickvid.app/how-are-ssl-certificates-verified.htmlhttps://devapps.quickvid.app/how-are-ssl-certificates-verified.htmlWhat is the series of steps needed to securely verify a ssl certificate? My (very limited) understanding is that when you visit an https site, the server sends a certificate to the client (the bro......Tue, 14 Jul 2026 22:46:50 -0400https://devapps.quickvid.app/modulenotfounderror-when-importing-open-clip.htmlhttps://devapps.quickvid.app/modulenotfounderror-when-importing-open-clip.htmlerror importing open_clip, When importing open_clip I always get this error: Traceback (most recent call last): File "c:\Users\noahs\Desktop\New folder\test.py", line 1, in <module&g......Tue, 14 Jul 2026 22:46:03 -0400https://devapps.quickvid.app/gradlew-is-not-found-no-such-file-or-directory.htmlhttps://devapps.quickvid.app/gradlew-is-not-found-no-such-file-or-directory.htmlI load a project from git and build it successfully on MacBook. When I type './gradlew assembleRelease' in terminal window, I get an error: bash: ./gradlew: No such file or directory So I check if ...Tue, 14 Jul 2026 22:41:13 -0400https://devapps.quickvid.app/html-radio-buttons-will-not-display-side-by-side.htmlhttps://devapps.quickvid.app/html-radio-buttons-will-not-display-side-by-side.htmlI'm having some trouble with my HTML form, I've tried looking it up and looking for solutions online and the "solutions" I found did not work for me. The issue that I am having is that my Radio But......Tue, 14 Jul 2026 22:37:00 -0400https://devapps.quickvid.app/how-to-plot-cdf-in-matplotlib-in-python.htmlhttps://devapps.quickvid.app/how-to-plot-cdf-in-matplotlib-in-python.htmlI have a disordered list named d that looks like: [0.0000, 123.9877,0.0000,9870.9876, ...] I just simply want to plot a cdf graph based on this list by using Matplotlib in Python. But don't know if ...Tue, 14 Jul 2026 22:36:00 -0400https://devapps.quickvid.app/how-to-specify-a-constructor-with-a-functional-component-fat-arrow-syn.htmlhttps://devapps.quickvid.app/how-to-specify-a-constructor-with-a-functional-component-fat-arrow-syn.htmlGiven this component: import React from 'react' import ReactDOM from 'react-dom' import PropTypes from 'prop-types' const NewGoalInput = props => { return ( <input type="text" onKeyUp={...Tue, 14 Jul 2026 22:27:10 -0400https://devapps.quickvid.app/javascript-swap-array-elements.htmlhttps://devapps.quickvid.app/javascript-swap-array-elements.htmlIs there any simpler way to swap two elements in an array? var a = list[x], b = list[y]; list[y] = a; list[x] = b;...Tue, 14 Jul 2026 22:25:30 -0400https://devapps.quickvid.app/python-attributeerror-039-nonetype-039-object-has-no-attribute-039-sta.htmlhttps://devapps.quickvid.app/python-attributeerror-039-nonetype-039-object-has-no-attribute-039-sta.htmlWhy is it this code won't work and give AttributeError? internship = parser.find_all('a', attrs = {'title': lambda job: job.startswith('Internship')}) while this one works: internship = parser....Tue, 14 Jul 2026 22:16:17 -0400https://devapps.quickvid.app/org-json-simple-jsonarray-cannot-be-cast-to-org-json-simple-jsonobject.htmlhttps://devapps.quickvid.app/org-json-simple-jsonarray-cannot-be-cast-to-org-json-simple-jsonobject.htmlI'm trying to parse below json file: {"units":[{"id":42, "title":"Hello World", "position":1, "v_id":9, "sites":[[{"id":316, "article":42, "clip":...Tue, 14 Jul 2026 21:57:09 -0400https://devapps.quickvid.app/how-to-increase-size-of-dosbox-window.htmlhttps://devapps.quickvid.app/how-to-increase-size-of-dosbox-window.htmlI am running Turbo C on DOSBox in Ubuntu 12.04. The problem is that two black stripes are coming on either of screen. I want to remove them. My computer is a Dell Studio 15z with screen resolution ...Tue, 14 Jul 2026 21:48:10 -0400https://devapps.quickvid.app/how-to-convert-a-list-into-a-map-in-dart.htmlhttps://devapps.quickvid.app/how-to-convert-a-list-into-a-map-in-dart.htmlI looking for an on-the-shelf way to convert a List into a Map in Dart. In python for example you can do: l= [ ('a',(1,2)), ('b',(2,3)), ('c',(3,4) ) ] d=dict(l) ==> {'a': (1, 2), 'c': (3, 4),......Tue, 14 Jul 2026 21:23:54 -0400https://devapps.quickvid.app/unable-to-load-private-key-pem-routines-pem-read-bio-no-start-line-pem.htmlhttps://devapps.quickvid.app/unable-to-load-private-key-pem-routines-pem-read-bio-no-start-line-pem.htmlI have a .key file which is PEM formatted private key file. I didn't make this file but I got this from somewhere. I wanted to see its MD5 hash with openssl tool like below command. openssl rsa -in ...Tue, 14 Jul 2026 21:17:09 -0400https://devapps.quickvid.app/how-to-solve-the-java-nio-file-nosuchfileexception.htmlhttps://devapps.quickvid.app/how-to-solve-the-java-nio-file-nosuchfileexception.htmlI have a file called "result.csv", from that file i want to read certain data and display them. I have that file in my eclipse project folder itself. Still i'm unable to read the file. public sta......Tue, 14 Jul 2026 21:02:27 -0400https://devapps.quickvid.app/how-to-cast-the-size-t-to-double-or-int-c.htmlhttps://devapps.quickvid.app/how-to-cast-the-size-t-to-double-or-int-c.htmlMy question is that I have a size_t data, but now I want to convert it to double or int. If I do something like size_t data = 99999999; int convertdata = data; the compiler will report warni......Tue, 14 Jul 2026 20:31:08 -0400https://devapps.quickvid.app/is-there-an-onselect-event-or-equivalent-for-html-select.htmlhttps://devapps.quickvid.app/is-there-an-onselect-event-or-equivalent-for-html-select.htmlI have an input form that lets me select from multiple options, and do something when the user changes the selection. Eg, <select onChange="javascript:doSomething();"> <option>A</......Tue, 14 Jul 2026 20:30:35 -0400https://devapps.quickvid.app/arrange-2-items-per-row-using-flexbox.htmlhttps://devapps.quickvid.app/arrange-2-items-per-row-using-flexbox.htmlImagine I have following markup <div class="container"> <div class="item"></div> <div class="item"></div> <div class="item"></div> <div......Tue, 14 Jul 2026 20:13:13 -0400https://devapps.quickvid.app/pass-multiple-parameters-to-jquery-ajax-call.htmlhttps://devapps.quickvid.app/pass-multiple-parameters-to-jquery-ajax-call.htmlI have the following jquery code to call a webmethod in an aspx page $.ajax({ type: "POST", url: "popup.aspx/GetJewellerAssets", contentType: "application/json; charset=utf-8", dat......Tue, 14 Jul 2026 19:55:11 -0400https://devapps.quickvid.app/fatal-error-uncaught-error-call-to-undefined-method-usercontroller.htmlhttps://devapps.quickvid.app/fatal-error-uncaught-error-call-to-undefined-method-usercontroller.htmlI created a login with the classes but gives me an error ( ! ) Fatal error: Uncaught Error: Call to undefined method UserController::checkLogin() in C:\xampp\htdocs\progettoPersonale\control......Tue, 14 Jul 2026 19:46:37 -0400https://devapps.quickvid.app/finding-the-type-of-an-object-in-c.htmlhttps://devapps.quickvid.app/finding-the-type-of-an-object-in-c.htmlI have a class A and another class that inherits from it, B. I am overriding a function that accepts an object of type A as a parameter, so I have to accept an A. However, I later call functions that ...Tue, 14 Jul 2026 19:46:25 -0400https://devapps.quickvid.app/i-039-m-getting-this-error-for-my-verilog-code-illegal-operation-for-c.htmlhttps://devapps.quickvid.app/i-039-m-getting-this-error-for-my-verilog-code-illegal-operation-for-c.htmlwhen ever I compile this code, I get the following errors. module mv2_generate ( input [127:0] c_array [1:0], input [127:0] p_array [1:0], input [127:0] p1_array [1:0], output reg ......Tue, 14 Jul 2026 19:46:01 -0400https://devapps.quickvid.app/angular-how-to-apply-ngstyle-conditions.htmlhttps://devapps.quickvid.app/angular-how-to-apply-ngstyle-conditions.htmlI have a div that I want to style based on a condition. If styleOne is true I want a background colour of red. If StyleTwo is true, I want the background colour to be blue. I've got half of it work......Tue, 14 Jul 2026 19:13:03 -0400https://devapps.quickvid.app/3-dimensional-array-names-in-r.htmlhttps://devapps.quickvid.app/3-dimensional-array-names-in-r.htmlIn the 3 Dimensional array bellow : ar <- array(someData, c(5, 5, 5)); rownames(ar) <- ...; #to set up row names colnames(ar) <- ...; #to set up col names How can i set the third dim......Tue, 14 Jul 2026 19:12:13 -0400https://devapps.quickvid.app/javascript-format-date-time-duplicate.htmlhttps://devapps.quickvid.app/javascript-format-date-time-duplicate.htmlI need to change a date/time from 2014-08-20 15:30:00 to look like 08/20/2014 3:30 pm Can this be done using javascript's Date object?...Tue, 14 Jul 2026 19:01:31 -0400https://devapps.quickvid.app/reading-a-binary-file-with-python.htmlhttps://devapps.quickvid.app/reading-a-binary-file-with-python.htmlI find particularly difficult reading binary file with Python. Can you give me a hand? I need to read this file, which in Fortran 90 is easily read by int*4 n_particles, n_groups real*4 group_id(...Tue, 14 Jul 2026 18:58:08 -0400https://devapps.quickvid.app/argument-type-is-not-assignable-to-parameter-type-and-it-should-be.htmlhttps://devapps.quickvid.app/argument-type-is-not-assignable-to-parameter-type-and-it-should-be.htmlI have defined a class CommandProcessor<T> as having T derive from Command and contain a default constructor: public class CommandProcessor<T> : ICommandProcessor<T> where T : Co......Tue, 14 Jul 2026 18:47:00 -0400https://devapps.quickvid.app/input-type-submit-vs-button-tag-are-they-interchangeable-duplicate.htmlhttps://devapps.quickvid.app/input-type-submit-vs-button-tag-are-they-interchangeable-duplicate.htmlinput type="submit" and button tag are they interchangeable? or if there is any difference then When to use input type="submit" and when button ? And if there is no difference then why we have 2 t......Tue, 14 Jul 2026 18:37:08 -0400https://devapps.quickvid.app/calling-another-pl-sql-procedure-within-a-procedure.htmlhttps://devapps.quickvid.app/calling-another-pl-sql-procedure-within-a-procedure.htmlI'm new to PL/SQL & would greatly appreciate help in this. I've created a procedure to copy contracts. Now I want to call another procedure from within this procedure which shall copy all the ...Tue, 14 Jul 2026 18:34:32 -0400https://devapps.quickvid.app/java-lang-illegalstateexception-software-rendering-doesn-039-t-support.htmlhttps://devapps.quickvid.app/java-lang-illegalstateexception-software-rendering-doesn-039-t-support.htmlI need to get the screenshot of a View. I have tried two methods to do this work. Unfortunately, both result in the same bug. Here is the log: java.lang.IllegalArgumentException: Software rendering ...Tue, 14 Jul 2026 18:18:24 -0400https://devapps.quickvid.app/git-remove-commit-from-history.htmlhttps://devapps.quickvid.app/git-remove-commit-from-history.htmlI did something extremely stupid. I entered a curseword in my code and I pushed the code on the master branch. I pushed a few more times after that so people do not pull the bad stuff, but I can st......Tue, 14 Jul 2026 17:47:15 -0400https://devapps.quickvid.app/webpack5-react-refresh-webpack-plugin-does-not-work.htmlhttps://devapps.quickvid.app/webpack5-react-refresh-webpack-plugin-does-not-work.htmlI wanted to setup react with webpack, babel, and typescript myself since I would like to know more and have a consistent boilerplate for development. I have been trying to setup fast refreshing and......Tue, 14 Jul 2026 17:44:06 -0400https://devapps.quickvid.app/extract-column-value-based-on-another-column-pandas-dataframe.htmlhttps://devapps.quickvid.app/extract-column-value-based-on-another-column-pandas-dataframe.htmlI am kind of getting stuck on extracting value of one variable conditioning on another variable. For example, the following dataframe: A B p1 1 p1 2 p3 3 p2 4 How can I get the value of A when B......Tue, 14 Jul 2026 17:36:34 -0400https://devapps.quickvid.app/user-jezrael-stack-overflow.htmlhttps://devapps.quickvid.app/user-jezrael-stack-overflow.htmlStack Overflow | The World’s Largest Online Community for Developers...Tue, 14 Jul 2026 17:35:48 -0400https://devapps.quickvid.app/get-path-from-open-file-in-python.htmlhttps://devapps.quickvid.app/get-path-from-open-file-in-python.htmlIf I have an opened file, is there an os call to get the complete path as a string? f = open('/Users/Desktop/febROSTER2012.xls') From f, how would I get "/Users/Desktop/febROSTER2012.xls" ?...Tue, 14 Jul 2026 17:35:02 -0400https://devapps.quickvid.app/how-to-alter-a-column-and-change-the-default-value.htmlhttps://devapps.quickvid.app/how-to-alter-a-column-and-change-the-default-value.htmlI got the following error while trying to alter a column's data type and setting a new default value: ALTER TABLE foobar_data ALTER COLUMN col VARCHAR(255) NOT NULL SET DEFAULT '{}'; ERROR 1064 (...Tue, 14 Jul 2026 17:26:11 -0400https://devapps.quickvid.app/slicing-a-vector-in-c.htmlhttps://devapps.quickvid.app/slicing-a-vector-in-c.htmlIs there an equivalent of list slicing [1:] from Python in C++ with vectors? I simply want to get all but the first element from a vector. Python's list slicing operator: list1 = [1, 2, 3] list2 = ...Tue, 14 Jul 2026 17:15:01 -0400https://devapps.quickvid.app/nvidia-cuda-error-all-cuda-capable-devices-are-busy-or-unavailable-on-.htmlhttps://devapps.quickvid.app/nvidia-cuda-error-all-cuda-capable-devices-are-busy-or-unavailable-on-.htmlQuite often, I get the CUDA library to completely fail and return with an error 46 ("all CUDA-capable devices are busy or unavailable") even for simple calls like cudaMalloc. The code runs successf......Tue, 14 Jul 2026 17:11:37 -0400https://devapps.quickvid.app/how-do-you-change-the-launcher-logo-of-an-app-in-android-studio.htmlhttps://devapps.quickvid.app/how-do-you-change-the-launcher-logo-of-an-app-in-android-studio.htmlI was wondering how to change the launcher icon in Android Studio....Tue, 14 Jul 2026 17:08:42 -0400https://devapps.quickvid.app/how-to-make-a-new-line-in-a-jupyter-markdown-cell.htmlhttps://devapps.quickvid.app/how-to-make-a-new-line-in-a-jupyter-markdown-cell.htmlmd $S$: a set of shops $I$: a set of items M wants to get I'd like to make a new line between this two sentences. We usually put " (space)" after the first sentence before a new line, but it doesn't ...Tue, 14 Jul 2026 17:07:29 -0400https://devapps.quickvid.app/get-zerodivisionerror-float-division-in-python.htmlhttps://devapps.quickvid.app/get-zerodivisionerror-float-division-in-python.htmlIn the code below: highly simplified. I get ZeroDivisionError: float division Any value below one gives errors. Other times 5/365 gives the error. How do I fix? import math def top( t): r......Tue, 14 Jul 2026 17:00:14 -0400https://devapps.quickvid.app/create-a-list-of-image-types-in-racket.htmlhttps://devapps.quickvid.app/create-a-list-of-image-types-in-racket.htmlI am trying to create a scene with multiple images of the same type on that scene. I know how to create an image however, I need to create many images based on an arbitrary value 'n'. I believe the......Tue, 14 Jul 2026 16:58:15 -0400https://devapps.quickvid.app/intellij-how-to-zoom-in-out.htmlhttps://devapps.quickvid.app/intellij-how-to-zoom-in-out.htmlThe IntelliJ keymap says: Zoom in: Keypad + = Zoom out Keypad - - But they have no effect. Anyone have this working? New info: Now I have added more key-bindings: Zoom in: Alt-Shift-= Zoom ou......Tue, 14 Jul 2026 16:52:27 -0400https://devapps.quickvid.app/pm-uninstall-k-user-0-failure-delete-failed-user-restricted.htmlhttps://devapps.quickvid.app/pm-uninstall-k-user-0-failure-delete-failed-user-restricted.htmlI have been following the instructions from https://www.xda-developers.com/disable-system-app-bloatware-android/ to remove bloatware (that actually kills FCM and blocks notifications. However I ...Tue, 14 Jul 2026 16:41:05 -0400https://devapps.quickvid.app/split-string-with-delimiters-in-c.htmlhttps://devapps.quickvid.app/split-string-with-delimiters-in-c.htmlHow do I write a function to split and return an array for a string with delimiters in the C programming language? char* str = "JAN,FEB,MAR,APR,MAY,JUN,JUL,AUG,SEP,OCT,NOV,DEC"; str_split(str,',');...Tue, 14 Jul 2026 16:38:56 -0400https://devapps.quickvid.app/how-to-determine-whether-an-object-has-a-given-property-in-javascript.htmlhttps://devapps.quickvid.app/how-to-determine-whether-an-object-has-a-given-property-in-javascript.htmlHow can I determine whether an object x has a defined property y, regardless of the value of x.y? I'm currently using if (typeof(x.y) !== 'undefined') but that seems a bit clunky. Is there a bet......Tue, 14 Jul 2026 16:30:58 -0400https://devapps.quickvid.app/glmnet-installation-error-c-17-standard-requested-but-cxx17-is-not-def.htmlhttps://devapps.quickvid.app/glmnet-installation-error-c-17-standard-requested-but-cxx17-is-not-def.htmlI am trying to install glmnet on an HPC by running install.package("glmnet"). However, right after downloading, I get the following error: Error: C++17 standard requested but CXX17 is not ...Tue, 14 Jul 2026 16:27:25 -0400https://devapps.quickvid.app/spring-boot-org-junit-runners-model-invalidtestclasserror-invalid-test.htmlhttps://devapps.quickvid.app/spring-boot-org-junit-runners-model-invalidtestclasserror-invalid-test.htmlI have a problem about running some tests through JUnit in my Spring Boot application. When I tried to run any test of repositorytest, I got the issue shown below. org.junit.runners.model....Tue, 14 Jul 2026 16:23:31 -0400https://devapps.quickvid.app/concisely-deep-copy-a-slice.htmlhttps://devapps.quickvid.app/concisely-deep-copy-a-slice.htmlIn Go, what's a concise/well-performing way to deep copy a slice? I need to copy the slice to a new backing array, because the other array is owned by something else and may be modified after the c......Tue, 14 Jul 2026 16:18:39 -0400https://devapps.quickvid.app/putty-export-or-import-tunnel-settings-to-another-computer.htmlhttps://devapps.quickvid.app/putty-export-or-import-tunnel-settings-to-another-computer.htmlI have a set of tunnels in my putty. how do i export my tunnel settings?The tunnel images are as below....Tue, 14 Jul 2026 16:12:35 -0400https://devapps.quickvid.app/why-use-the-039-ref-039-keyword-when-passing-an-object.htmlhttps://devapps.quickvid.app/why-use-the-039-ref-039-keyword-when-passing-an-object.htmlIf I am passing an object to a method, why should I use the ref keyword? Isn't this the default behaviour anyway? For example: class Program { static void Main(string[] args) { Te......Tue, 14 Jul 2026 16:12:07 -0400https://devapps.quickvid.app/grep-invert-search-with-context.htmlhttps://devapps.quickvid.app/grep-invert-search-with-context.htmlI want to filter out several lines before and after a matching line in a file. This will remove the line that I don't want: $ grep -v "line that i don't want" And this will print the 2 lines bef......Tue, 14 Jul 2026 16:08:04 -0400https://devapps.quickvid.app/the-maximum-value-for-an-int-type-in-go.htmlhttps://devapps.quickvid.app/the-maximum-value-for-an-int-type-in-go.htmlHow does one specify the maximum value representable for an unsigned integer type? I would like to know how to initialize min in the loop below that iteratively computes min and max lengths from s......Tue, 14 Jul 2026 16:05:18 -0400https://devapps.quickvid.app/what-does-the-is-keyword-do-in-typescript.htmlhttps://devapps.quickvid.app/what-does-the-is-keyword-do-in-typescript.htmlI came across some code that looks like this: export function foo(arg: string): arg is MyType { return ... } I haven't been able to search for is in either the docs or google, it's a pretty c......Tue, 14 Jul 2026 16:00:51 -0400https://devapps.quickvid.app/error-initializer-element-is-not-constant-when-trying-to-initialize-va.htmlhttps://devapps.quickvid.app/error-initializer-element-is-not-constant-when-trying-to-initialize-va.htmlI get an error on line 6 (initialize my_foo to foo_init) of the following program and I'm not sure I understand why. typedef struct foo_t { int a, b, c; } foo_t; const foo_t foo_init = { 1, 2......Tue, 14 Jul 2026 15:58:47 -0400https://devapps.quickvid.app/using-get-storedcredential-function-in-vs-code.htmlhttps://devapps.quickvid.app/using-get-storedcredential-function-in-vs-code.htmlI use a Get-StoredCredential function in my Powershell ISE profile to authenticate the various modules I use, which avoids the need for authentication prompts when loading PS modules I would now li......Tue, 14 Jul 2026 15:57:24 -0400https://devapps.quickvid.app/how-can-i-install-perf-for-linux-kernel-6-1-0-060100-generic-on-ubuntu.htmlhttps://devapps.quickvid.app/how-can-i-install-perf-for-linux-kernel-6-1-0-060100-generic-on-ubuntu.htmlI like to try out the new capability of perf c2c/mem for AMD arch (in detai: https://www.phoronix.com/news/Linux-6.1-Perf) My environment is OS: Ubuntu 22.04.2 LTS x86_64 Kernel: 6.1.0-060100-gener......Tue, 14 Jul 2026 15:46:40 -0400