https://devapps.quickvid.appRefined celebrity coverage with sleek polish.en-usSat, 18 Jul 2026 10:52:16 -0400https://devapps.quickvid.app/bootstrapping-module-in-microsoft-homomorphic-encryption-library-seal.htmlhttps://devapps.quickvid.app/bootstrapping-module-in-microsoft-homomorphic-encryption-library-seal.htmlI need to use bootstrapping when implementing machine learning algorithm(Logistic Regression) with seal on encrypted data. But I can't find bootstrapping module in seal. Do I need to implement by m......Sat, 18 Jul 2026 14:50:56 -0400https://devapps.quickvid.app/module-not-found-can-039-t-resolve-039-react-native-039-react-native.htmlhttps://devapps.quickvid.app/module-not-found-can-039-t-resolve-039-react-native-039-react-native.htmlI have just started learning React Native and wanted to add input fields to the page. I have gone through this tutorial to add input fields. But whenever I run the React App it throws the following......Sat, 18 Jul 2026 14:49:25 -0400https://devapps.quickvid.app/how-to-check-double-value-is-empty-or-not.htmlhttps://devapps.quickvid.app/how-to-check-double-value-is-empty-or-not.htmli'm trying to get Double value from json, i want to ask how to check double value is empty or not? this is how i initial it private static final String kartu_xcord = "xcord"; private sta......Sat, 18 Jul 2026 14:48:54 -0400https://devapps.quickvid.app/how-to-get-previous-day-in-php.htmlhttps://devapps.quickvid.app/how-to-get-previous-day-in-php.htmlI know how to get the current date in PHP like so--- echo date("Y/m/d") But I am not sure how to get it the previous day. I mean today is 2015-08-10, so how I can get yesterday's date 20......Sat, 18 Jul 2026 14:37:54 -0400https://devapps.quickvid.app/sequelize-instance-methods-not-working.htmlhttps://devapps.quickvid.app/sequelize-instance-methods-not-working.htmlI am trying to use Sequelize's instance method to validate a password on login attempt. I have defined the User model as : var User = sequelize.define('User',{ id:{ type:DataTypes.BI......Sat, 18 Jul 2026 14:27:44 -0400https://devapps.quickvid.app/how-can-i-pretty-print-ascii-tables-with-python-closed.htmlhttps://devapps.quickvid.app/how-can-i-pretty-print-ascii-tables-with-python-closed.htmlI'm looking for a way to pretty-print tables like this: ======================= | column 1 | column 2 | ======================= | value1 | value2 | | value3 | value4 | ====================......Sat, 18 Jul 2026 14:22:57 -0400https://devapps.quickvid.app/how-to-redirect-output-from-pipe-command-to-a-file.htmlhttps://devapps.quickvid.app/how-to-redirect-output-from-pipe-command-to-a-file.htmlI have a program that parses the command given, and allocates all the arguments/programs to a struct. In my main program that executes the commands, I am trying to redirect the output of the pipe c......Sat, 18 Jul 2026 14:22:31 -0400https://devapps.quickvid.app/winapi-urldownloadtofilea-problems.htmlhttps://devapps.quickvid.app/winapi-urldownloadtofilea-problems.htmlI have used the Microsoft WINAPI syntax from here. So, here is my code #include <windows.h> #pragma comment(lib, "urlmon.lib") HRESULT URLDownloadToFileW( FALSE, "http://www.dr......Sat, 18 Jul 2026 14:15:26 -0400https://devapps.quickvid.app/tcl-multiple-conditionals-inside-the-if-statement.htmlhttps://devapps.quickvid.app/tcl-multiple-conditionals-inside-the-if-statement.htmlJust trying to do some basic check in a script... to produce an error if $argc is not either 1 or 2. I tried: if { ( $argc != 1 ) || ( $argc != 2 ) } { puts "ERROR: \$argc should be eithe......Sat, 18 Jul 2026 14:07:35 -0400https://devapps.quickvid.app/how-to-use-env-variable-in-a-tmux-bind-key-map.htmlhttps://devapps.quickvid.app/how-to-use-env-variable-in-a-tmux-bind-key-map.htmlI want my bind-key command to make use of a variable. Here is my .tmux.conf file: # .tmux.conf bind-key r rename-session $MY_VARIABLE How can I set MY_VARIABLE on a session-by-session basis? Thing......Sat, 18 Jul 2026 13:33:27 -0400https://devapps.quickvid.app/automatic-refresh-of-many-materialized-views.htmlhttps://devapps.quickvid.app/automatic-refresh-of-many-materialized-views.htmlI have an entire schema of materialized views (about 300 tables) for which I need to perform an automatic refresh on every night. I know how to create 1 materialized view that will automatically re......Sat, 18 Jul 2026 13:18:01 -0400https://devapps.quickvid.app/attempting-to-deploy-dell-command-update-intunewin-package-using-intun.htmlhttps://devapps.quickvid.app/attempting-to-deploy-dell-command-update-intunewin-package-using-intun.htmlI'm having some trouble deploying Dell Command Update software for my users using InTune. I downloaded the most recent version of Dell Command Update(Dell-Command-Update-Application_HYR95_WIN_5.0.0......Sat, 18 Jul 2026 13:15:39 -0400https://devapps.quickvid.app/net-regex-what-is-the-word-character-w.htmlhttps://devapps.quickvid.app/net-regex-what-is-the-word-character-w.htmlSimple question: What is the pattern for the word character \w in c#, .net? My first thought was that it matches [A-Za-z0-9_] and the documentation tells me: Character class Description ...Sat, 18 Jul 2026 13:08:22 -0400https://devapps.quickvid.app/how-to-customize-username-validation.htmlhttps://devapps.quickvid.app/how-to-customize-username-validation.htmlI am trying to customize username validation for the django.contrib.auth User model. It says Usernames may contain alphanumeric, _, @, +, . and - characters. but I'd like to make it so that it woul......Sat, 18 Jul 2026 13:02:20 -0400https://devapps.quickvid.app/php-object-literal.htmlhttps://devapps.quickvid.app/php-object-literal.htmlIn PHP, I can specify array literals quite easily: array( array("name" => "John", "hobby" => "hiking"), array("name" => "Jane", "hobby" => "dancing"), ... ) But what if I ......Sat, 18 Jul 2026 13:01:58 -0400https://devapps.quickvid.app/how-should-i-have-explained-the-difference-between-an-interface-and-an.htmlhttps://devapps.quickvid.app/how-should-i-have-explained-the-difference-between-an-interface-and-an.htmlIn one of my interviews, I have been asked to explain the difference between an Interface and an Abstract class. Here's my response: Methods of a Java interface are implicitly abstract and c......Sat, 18 Jul 2026 12:57:07 -0400https://devapps.quickvid.app/the-transaction-log-for-database-is-full-due-to-039-log-backup-039-in-.htmlhttps://devapps.quickvid.app/the-transaction-log-for-database-is-full-due-to-039-log-backup-039-in-.htmlI have an Asp.Net MVC 5 website with EntityFramework codefirst approach in a shared hosting plan. It uses the open source WebbsitePanel for control panel and its SQL Server panel is somewhat limited. ...Sat, 18 Jul 2026 12:56:59 -0400https://devapps.quickvid.app/empty-or-not-required-struct-fields.htmlhttps://devapps.quickvid.app/empty-or-not-required-struct-fields.htmlI have two structs that represent models that will be inserted into a mongodb database. One struct (Investment) has the other struct (Group) as one of its fields. type Group struct { Base N......Sat, 18 Jul 2026 12:39:12 -0400https://devapps.quickvid.app/vhdl-alias-syntax.htmlhttps://devapps.quickvid.app/vhdl-alias-syntax.htmlI'd like to understand the syntax used in the line of code below where an alternate name is created using an ALIAS declaration. Specifically, I'd like to know what the << and >> imply. An ...Sat, 18 Jul 2026 12:37:17 -0400https://devapps.quickvid.app/getting-handshake-failed-unexpected-packet-format-when-using-webclient.htmlhttps://devapps.quickvid.app/getting-handshake-failed-unexpected-packet-format-when-using-webclient.htmlI am trying to use WebClient.UploadFile with a HTTPS URL but I am ending up with "System.IO.IOException: The handshake failed due to an unexpected packet format" The same code works perfectl......Sat, 18 Jul 2026 12:33:31 -0400https://devapps.quickvid.app/python-3-7-error-unsupported-pickle-protocol-5.htmlhttps://devapps.quickvid.app/python-3-7-error-unsupported-pickle-protocol-5.htmlI'm trying to restore a pickled config file from RLLib (json didn't work as shown in this post), and getting the following error: config = pickle.load(open(f"{path}/params.pkl", "rb&......Sat, 18 Jul 2026 12:22:51 -0400https://devapps.quickvid.app/rules-around-custom-policy-039-s-policyid-name.htmlhttps://devapps.quickvid.app/rules-around-custom-policy-039-s-policyid-name.htmlI am building several custom policies and I need to come up with a meaningful naming convention for the pack of files relates to a specific group of files come with Starter Packs What are the rules......Sat, 18 Jul 2026 12:22:15 -0400https://devapps.quickvid.app/understanding-solution-to-the-optimal-account-balancing-leetcode-465-i.htmlhttps://devapps.quickvid.app/understanding-solution-to-the-optimal-account-balancing-leetcode-465-i.htmlThe problem can be accessed from this link https://leetcode.com/problems/optimal-account-balancing/ *** Didn't realize this was only accessible by premium members, here is the problem statement and ...Sat, 18 Jul 2026 11:54:26 -0400https://devapps.quickvid.app/how-should-i-deal-with-039-from-039-must-be-of-length-1-error.htmlhttps://devapps.quickvid.app/how-should-i-deal-with-039-from-039-must-be-of-length-1-error.htmlI tried to count days between specific dates. I have 2 columns with all character vectors. start.date <- c("2015-01-10","2015-01-11","2015-02-24") end.date <- c("2015-03-10","2015-04-01","20......Sat, 18 Jul 2026 11:50:01 -0400https://devapps.quickvid.app/error-while-unzipping-a-file-in-shell-script-need-pk-compat-v5-1-can-d.htmlhttps://devapps.quickvid.app/error-while-unzipping-a-file-in-shell-script-need-pk-compat-v5-1-can-d.htmlI'm using unzip test.zip in a Shell script. But while executing this line i get an error Archive: test.zip skipping: hello.pdf need PK compat. v5.1 (can do v4.6) Even if i try......Sat, 18 Jul 2026 11:44:14 -0400https://devapps.quickvid.app/python-mysql-connector-unread-result-found-when-using-fetchone.htmlhttps://devapps.quickvid.app/python-mysql-connector-unread-result-found-when-using-fetchone.htmlI am inserting JSON data into a MySQL database I am parsing the JSON and then inserting it into a MySQL db using the python connector Through trial, I can see the error is associated with this pi......Sat, 18 Jul 2026 11:43:25 -0400https://devapps.quickvid.app/how-to-enable-aws-rds-loging-logout-logs.htmlhttps://devapps.quickvid.app/how-to-enable-aws-rds-loging-logout-logs.htmlIs it possible to enable/export RDS user login/logout events to CloudWatch? or are there any other aws related tools to achieve this?...Sat, 18 Jul 2026 11:43:19 -0400https://devapps.quickvid.app/python-strip-multiple-characters.htmlhttps://devapps.quickvid.app/python-strip-multiple-characters.htmlI want to remove any brackets from a string. Why doesn't this work properly? >>> name = "Barack (of Washington)" >>> name = name.strip("(){}<>") >>> print name Bar......Sat, 18 Jul 2026 11:40:11 -0400https://devapps.quickvid.app/how-can-i-from-bs4-import-beautifulsoup.htmlhttps://devapps.quickvid.app/how-can-i-from-bs4-import-beautifulsoup.htmlThis code: from bs4 import BeautifulSoup Doesn't work, and gives this error : raise AttributeError, "'%s' object has no attribute '%s'" % (self.__class__.__name__,attr) ......Sat, 18 Jul 2026 11:34:00 -0400https://devapps.quickvid.app/any-better-way-to-loop-through-a-collection-struct-in-cfml.htmlhttps://devapps.quickvid.app/any-better-way-to-loop-through-a-collection-struct-in-cfml.htmlPlease have a look at the code block below: <cfset index = 0 /> <cfloop collection="#anotherPerson#" item="key" > <cfset index = index+1 /> <cfoutput> #ke......Sat, 18 Jul 2026 11:33:54 -0400https://devapps.quickvid.app/typeerror-cannot-read-property-getstate-of-undefined.htmlhttps://devapps.quickvid.app/typeerror-cannot-read-property-getstate-of-undefined.htmlI want to try small redux example so I installed redux but I got this error TypeError: Cannot read property ‘getState’ of undefined new Provider webpack-internal:///./node_modules/react-r......Sat, 18 Jul 2026 11:21:16 -0400https://devapps.quickvid.app/concat-2-columns-in-pandas-attributeerror-039-dataframe-039-object-has.htmlhttps://devapps.quickvid.app/concat-2-columns-in-pandas-attributeerror-039-dataframe-039-object-has.htmlI am trying to concatenate along 2 columns in pandas. The code : import pandas as pd import numpy as np from statsmodels import api as sm import pandas_datareader.data as web import datetime start = ...Sat, 18 Jul 2026 11:18:44 -0400https://devapps.quickvid.app/cp-target-is-not-a-directory.htmlhttps://devapps.quickvid.app/cp-target-is-not-a-directory.htmlI have a bash script with this line: cp -R /usr/lib/gcc/x86_64-linux-gnu/$GCC_VERSION/* /app/.apt/usr/lib/gcc/x86_64-linux-gnu/$GCC_VERSION Full script: https://github.com/virtualstaticvoid/heroku-...Sat, 18 Jul 2026 11:07:39 -0400https://devapps.quickvid.app/typescript-parsing-xml-to-json-in-node-loses-the-order-of-same-name-ta.htmlhttps://devapps.quickvid.app/typescript-parsing-xml-to-json-in-node-loses-the-order-of-same-name-ta.htmlI have tried using xml2js and fast-xml-parser and get pretty same result from both (although in different formats, but that is not the point here) This example is from fast-xml-parser I have this X......Sat, 18 Jul 2026 11:06:08 -0400https://devapps.quickvid.app/how-do-i-display-content-when-using-chakra-ui-sidebar-in-a-react-appli.htmlhttps://devapps.quickvid.app/how-do-i-display-content-when-using-chakra-ui-sidebar-in-a-react-appli.htmlI exported the SideBar and Imported it in my App.jsx SideBar.jsx 'use client' import { IconButton, Avatar, Box, CloseButton, Flex, HStack, VStack, Icon, ...Sat, 18 Jul 2026 10:49:27 -0400https://devapps.quickvid.app/nvidia-nvml-driver-library-version-mismatch-closed.htmlhttps://devapps.quickvid.app/nvidia-nvml-driver-library-version-mismatch-closed.htmlWhen I run nvidia-smi, I get the following message: Failed to initialize NVML: Driver/library version mismatch An hour ago I received the same message and uninstalled my CUDA library and I was ab......Sat, 18 Jul 2026 10:44:23 -0400https://devapps.quickvid.app/remove-unnamed-columns-in-pandas-dataframe-duplicate.htmlhttps://devapps.quickvid.app/remove-unnamed-columns-in-pandas-dataframe-duplicate.htmlI have a data file from columns A-G like below but when I am reading it with pd.read_csv('data.csv') it prints an extra unnamed column at the end for no reason. colA ColB colC colD co......Sat, 18 Jul 2026 10:41:07 -0400https://devapps.quickvid.app/use-of-scale-x-discrete-in-r-ggplot2.htmlhttps://devapps.quickvid.app/use-of-scale-x-discrete-in-r-ggplot2.htmlI have a problem using the discrete scale in ggplot2 in R. The use of g + scale_x_discrete(breaks=1:7, labels=1:7) incorrectly changes in limits of a plot. Before: After: I cannot see anything ...Sat, 18 Jul 2026 10:39:40 -0400https://devapps.quickvid.app/in-the-context-of-opencv-what-is-ippicv.htmlhttps://devapps.quickvid.app/in-the-context-of-opencv-what-is-ippicv.htmlWhile building OpenCV 3.1.0 on CentOS I've been getting a hash mismatch error caused by a file called ippicv_linux_20151201.tgz. After some research I have found that the two prevailing solutions ...Sat, 18 Jul 2026 10:29:32 -0400https://devapps.quickvid.app/accessing-dict-keys-element-by-index-in-python3.htmlhttps://devapps.quickvid.app/accessing-dict-keys-element-by-index-in-python3.htmlI'm trying to access a dict_key's element by its index: test = {'foo': 'bar', 'hello': 'world'} keys = test.keys() # dict_keys object keys.index(0) AttributeError: 'dict_keys' object has no attr......Sat, 18 Jul 2026 10:27:44 -0400https://devapps.quickvid.app/what-does-lnode-l-mean-duplicate.htmlhttps://devapps.quickvid.app/what-does-lnode-l-mean-duplicate.htmlI've been learning c++ for a while. Recently I saw a format of passing function parameters. It looks like this typedef struct LNode { int data; struct LNode* next; } LNode, *LinkList; bool ...Sat, 18 Jul 2026 10:20:30 -0400https://devapps.quickvid.app/the-java-home-environment-variable-is-not-set.htmlhttps://devapps.quickvid.app/the-java-home-environment-variable-is-not-set.htmlI'm trying to make my first app using Phonegap and I got this while running in command C:\USERS\KTR\DESKTOP\PHONEGAP\LIB\ANDROID\BIN>create C:\Users\KTR\Desktop\Demoap p com.example.Demoapp De......Sat, 18 Jul 2026 10:14:37 -0400https://devapps.quickvid.app/how-to-convert-milliseconds-to-date-and-time-format.htmlhttps://devapps.quickvid.app/how-to-convert-milliseconds-to-date-and-time-format.htmlI have a value in milliseconds in a Python program. For example: 1557975599999 And I would like to convert it to a string with days and hours, minutes, seconds. How can I do this?...Sat, 18 Jul 2026 10:05:23 -0400https://devapps.quickvid.app/how-to-get-the-y-angle-between-2-vectors-in-three-js.htmlhttps://devapps.quickvid.app/how-to-get-the-y-angle-between-2-vectors-in-three-js.htmlIn Three.js I have 2 3d vectors and I want to find the x-axis and y-axis angle between them. For the x-axis I found this toDegrees(atan2(A.z, A.y) - atan2(B.z, B.y)) from The X angle between two 3D ...Sat, 18 Jul 2026 09:51:36 -0400https://devapps.quickvid.app/splunk-query-spl-replace-a-value-or-anything-that-comes-after-the-valu.htmlhttps://devapps.quickvid.app/splunk-query-spl-replace-a-value-or-anything-that-comes-after-the-valu.htmlI have these values in field from my query. C360Lookup~single/MainMenu~2/e2_quote_policy_ask_zipcode~90094/e2_quote_existing_policy_utterance~sales_default/e2_quote_existing_policy~_xfer C360Lookup~...Sat, 18 Jul 2026 09:45:51 -0400https://devapps.quickvid.app/std-queue-and-std-deque-cleanup.htmlhttps://devapps.quickvid.app/std-queue-and-std-deque-cleanup.htmlSuppose we have a situation where we need FIFO data structure. For example, consume some events in the order they came in. Additionally, we need to clear the entire queue from time to time. std::qu......Sat, 18 Jul 2026 09:45:46 -0400https://devapps.quickvid.app/how-to-check-if-a-string-contains-another-string-in-a-case-insensitive.htmlhttps://devapps.quickvid.app/how-to-check-if-a-string-contains-another-string-in-a-case-insensitive.htmlSay I have two strings, String s1 = "AbBaCca"; String s2 = "bac"; I want to perform a check returning that s2 is contained within s1. I can do this with: return s1.contains(s2); I am pretty sur......Sat, 18 Jul 2026 09:35:40 -0400https://devapps.quickvid.app/conda-remove-all-installed-packages-from-base-root-environment.htmlhttps://devapps.quickvid.app/conda-remove-all-installed-packages-from-base-root-environment.htmlTL:DR: How can I remove all installed packages from base? I installed a bunch of machine learning packages in my base conda environment. I've now created a ml environment for machine learning, and ......Sat, 18 Jul 2026 09:33:57 -0400https://devapps.quickvid.app/release-apk-error-android-studio.htmlhttps://devapps.quickvid.app/release-apk-error-android-studio.htmlI generated the unsigned release APK in Android Studio and it does not work. I run my app in debug on my phone and it works perfectly, but the release apk does not. The app just haves to show simple ...Sat, 18 Jul 2026 09:21:31 -0400https://devapps.quickvid.app/difference-between-sizeof-char-and-sizeof-char.htmlhttps://devapps.quickvid.app/difference-between-sizeof-char-and-sizeof-char.htmlI'm wondering if there is a difference between sizeof(char) and sizeof(char *) : char *s; s = malloc(sizeof(char*)*len + 1); char *s; s = malloc(sizeof(char)*len + 1); Is this the same ?...Sat, 18 Jul 2026 09:18:10 -0400https://devapps.quickvid.app/default-constructors-and-inheritance-in-java.htmlhttps://devapps.quickvid.app/default-constructors-and-inheritance-in-java.htmlI have a question about default constructors and inheritance in Java. Generally, if you write a class and do not include any constructor, Java provides automatically for you a default constructor......Sat, 18 Jul 2026 09:13:47 -0400https://devapps.quickvid.app/save-custom-price-radio-button-value-in-cart-and-display-it-on-cart-pa.htmlhttps://devapps.quickvid.app/save-custom-price-radio-button-value-in-cart-and-display-it-on-cart-pa.htmlI have added custom price on woocommerce single product page using the code below on my theme's functions php: <?php // Output the Custom field in Product pages add_action("...Sat, 18 Jul 2026 09:10:23 -0400https://devapps.quickvid.app/any-imdb-api-to-get-user-039-s-ratings-history.htmlhttps://devapps.quickvid.app/any-imdb-api-to-get-user-039-s-ratings-history.htmlI need to be able to import IMDB user's movie ratings into my website. Is there any API for this purpose?...Sat, 18 Jul 2026 08:57:17 -0400https://devapps.quickvid.app/how-to-get-fedex-testing-tracking-number.htmlhttps://devapps.quickvid.app/how-to-get-fedex-testing-tracking-number.htmlI'm configuring FEDEX shipping in Magento website. I got test account number, password, API key and meter number by login in test FEDEX account. I configured myself in Magento. Looks like everythin......Sat, 18 Jul 2026 08:53:39 -0400https://devapps.quickvid.app/prevent-the-update-values-dialog-box-from-opening-every-time-a-cell-wi.htmlhttps://devapps.quickvid.app/prevent-the-update-values-dialog-box-from-opening-every-time-a-cell-wi.htmlQuick version: I've got broken links in a file I'm working with because they're pointing to someone else's hard drive. A macro went wrong in someone else's file that converted all formulas to text......Sat, 18 Jul 2026 08:36:19 -0400https://devapps.quickvid.app/sql-update-from-one-table-to-another-based-on-a-id-match.htmlhttps://devapps.quickvid.app/sql-update-from-one-table-to-another-based-on-a-id-match.htmlI have a database with account numbers and card numbers. I match these to a file to update any card numbers to the account number so that I am only working with account numbers. I created a view li......Sat, 18 Jul 2026 08:32:57 -0400https://devapps.quickvid.app/defaultdict-equivalent-in-javascript.htmlhttps://devapps.quickvid.app/defaultdict-equivalent-in-javascript.htmlIn python you can have a defaultdict(int) which stores int as values. And if you try to do a 'get' on a key which is not present in the dictionary you get zero as default value. Can you do the sam......Sat, 18 Jul 2026 08:30:01 -0400https://devapps.quickvid.app/difference-between-server-and-client.htmlhttps://devapps.quickvid.app/difference-between-server-and-client.htmlWhat is the difference between server and client? What difference does it make for some software installations? For example, I've checked on how to download and install cvs and one of the user asked ...Sat, 18 Jul 2026 07:54:00 -0400https://devapps.quickvid.app/git-set-local-user-name-and-user-email-different-for-each-repo.htmlhttps://devapps.quickvid.app/git-set-local-user-name-and-user-email-different-for-each-repo.htmlI'm currently working on 2 projects, which expect that I configure my local username and email with different data when I push to them. for that I'm updaing my config all the time like: git confi......Sat, 18 Jul 2026 07:53:52 -0400https://devapps.quickvid.app/enable-and-disable-delayed-expansion-what-does-it-do.htmlhttps://devapps.quickvid.app/enable-and-disable-delayed-expansion-what-does-it-do.htmlI've seen SETLOCAL ENABLEDELAYEDEXPANSION & SETLOCAL DISABLEDELAYEDEXPANSION in many batch files but what do the commands actually do?...Sat, 18 Jul 2026 07:45:51 -0400https://devapps.quickvid.app/ebpf-use-ringbuf-and-perfbuf-depending-on-kernel-version.htmlhttps://devapps.quickvid.app/ebpf-use-ringbuf-and-perfbuf-depending-on-kernel-version.htmlI am using ebpf to capture process creation. I am using ringbuf for kernel 5.8 and above and would like to use perfbuf for older kernels in the same ebpf kernel file. There is a great blog about it......Sat, 18 Jul 2026 07:44:16 -0400https://devapps.quickvid.app/how-do-i-render-a-word-document-doc-docx-in-the-browser-using-javascri.htmlhttps://devapps.quickvid.app/how-do-i-render-a-word-document-doc-docx-in-the-browser-using-javascri.htmlI have successfully done code to display a PDF file in the browser instead of the "Open/Save" dialog. Now, I'm stuck trying to display a Word document in the browser. I want to display a Word docum......Sat, 18 Jul 2026 07:25:06 -0400https://devapps.quickvid.app/what-is-the-meaning-of-the-operator.htmlhttps://devapps.quickvid.app/what-is-the-meaning-of-the-operator.htmlI saw recently in on an answer here on Stackoverflow where a calculation was done to determine whether a value was odd or even. There was a % used which always returned 0 or 1 depending on the valu......Sat, 18 Jul 2026 07:24:36 -0400https://devapps.quickvid.app/how-to-get-the-string-size-in-bytes.htmlhttps://devapps.quickvid.app/how-to-get-the-string-size-in-bytes.htmlAs the title implies, my question is how to get the size of a string in C. Is it good to use sizeof if I've declared it (the string) in a function without malloc in it? Or, if I've declared it as a ...Sat, 18 Jul 2026 07:15:34 -0400https://devapps.quickvid.app/how-to-clear-the-text-field-automatically.htmlhttps://devapps.quickvid.app/how-to-clear-the-text-field-automatically.htmlI have a question about UITextField() in Swift. How can I clear the text in the text field when I click on it? My textField.text = "0". I want to automatically remove the number "0" when I click o......Sat, 18 Jul 2026 07:12:32 -0400https://devapps.quickvid.app/how-to-work-out-039-039-complexwarning-casting-complex-values-to-real-.htmlhttps://devapps.quickvid.app/how-to-work-out-039-039-complexwarning-casting-complex-values-to-real-.htmlI would like to use a matrix with complex entries to construct a new matrix, but it gives me the warning "ComplexWarning: Casting complex values to real discards the imaginary part". As a resu......Sat, 18 Jul 2026 06:37:15 -0400https://devapps.quickvid.app/bin-sh-pushd-not-found.htmlhttps://devapps.quickvid.app/bin-sh-pushd-not-found.htmlI am doing the following inside a make file pushd %dir_name% and i get the following error /bin/sh : pushd : not found Can someone please tell me why this error is showing up ? I checked my $P......Sat, 18 Jul 2026 06:35:45 -0400https://devapps.quickvid.app/convert-integer-to-bits.htmlhttps://devapps.quickvid.app/convert-integer-to-bits.htmlI have byte to binary string function, std::string byte_to_binary(unsigned char byte) { int x = 128; std::ostringstream oss; oss << ((byte & 255) != 0); for (int i = 0; ......Sat, 18 Jul 2026 06:33:11 -0400https://devapps.quickvid.app/splitting-string-with-delimiter.htmlhttps://devapps.quickvid.app/splitting-string-with-delimiter.htmlI am currently trying to split a string 1128-2 so that I can have two separate values. For example, value1: 1128 and value2: 2, so that I can then use each value separately. I have tried split() bu......Sat, 18 Jul 2026 06:29:57 -0400https://devapps.quickvid.app/what-is-the-difference-between-is-none-and-none.htmlhttps://devapps.quickvid.app/what-is-the-difference-between-is-none-and-none.htmlI recently came across this syntax, I am unaware of the difference. I would appreciate it if someone could tell me the difference....Sat, 18 Jul 2026 06:18:35 -0400https://devapps.quickvid.app/oauth2-proxy-validate-azure-ad-jwt-token-returns-401.htmlhttps://devapps.quickvid.app/oauth2-proxy-validate-azure-ad-jwt-token-returns-401.htmlI am trying to validate JWT Token with oauth2-proxy and Azure AD (multi tenant). The setup is working and I can log in via http://localhost:4180. This is how I run the proxy: docker run --net=host ......Sat, 18 Jul 2026 06:14:28 -0400https://devapps.quickvid.app/what-does-net-host-option-in-docker-command-really-do.htmlhttps://devapps.quickvid.app/what-does-net-host-option-in-docker-command-really-do.htmlI'm a little bit beginner to Docker. I couldn't find any clear description of what this option does in docker run command in deep and bit confused about it. Can we use it to access the applications ...Sat, 18 Jul 2026 06:07:21 -0400https://devapps.quickvid.app/400-bad-request-request-header-or-cookie-too-large.htmlhttps://devapps.quickvid.app/400-bad-request-request-header-or-cookie-too-large.htmlI am getting a 400 Bad Request request header or cookie too large from nginx with my Rails app. Restarting the browser fixes the issue. I am only storing a string id in my cookie so it should be t......Sat, 18 Jul 2026 05:38:10 -0400https://devapps.quickvid.app/mysql-drop-all-tables-ignoring-foreign-keys.htmlhttps://devapps.quickvid.app/mysql-drop-all-tables-ignoring-foreign-keys.htmlIs there a nice easy way to drop all tables from a MySQL database, ignoring any foreign key constraints that may be in there?...Sat, 18 Jul 2026 05:18:53 -0400https://devapps.quickvid.app/plot-a-histogram-sort-by-values-in-python.htmlhttps://devapps.quickvid.app/plot-a-histogram-sort-by-values-in-python.htmlI have a Pandas dataframe as following: number Art 10000 Comics 235 Crafts 293 Dance 824 How can I plot a histogram that sort by values? Demonstrati......Sat, 18 Jul 2026 05:11:44 -0400https://devapps.quickvid.app/make-pandas-dataframe-apply-use-all-cores.htmlhttps://devapps.quickvid.app/make-pandas-dataframe-apply-use-all-cores.htmlAs of August 2017, Pandas DataFame.apply() is unfortunately still limited to working with a single core, meaning that a multi-core machine will waste the majority of its compute-time when you run df....Sat, 18 Jul 2026 04:54:03 -0400https://devapps.quickvid.app/change-variable-value-on-input-key-press-on-mudblazor-039-s-mudtextfie.htmlhttps://devapps.quickvid.app/change-variable-value-on-input-key-press-on-mudblazor-039-s-mudtextfie.htmlI'm familiar with C#/asp.net mvc (10+ years) but new with Blazor (10days). Now I want to add a "Change variable value on input key press" effect to MudBlazor's TextField. Thanks for infor......Sat, 18 Jul 2026 04:44:31 -0400https://devapps.quickvid.app/recursively-find-all-files-newer-than-a-given-time-closed.htmlhttps://devapps.quickvid.app/recursively-find-all-files-newer-than-a-given-time-closed.htmlGiven a time_t: ⚡ date -ur 1312603983 Sat 6 Aug 2011 04:13:03 UTC I'm looking for a bash one-liner that lists all files newer. The comparison should take the timezone into account. Something like......Sat, 18 Jul 2026 04:40:58 -0400https://devapps.quickvid.app/c-public-enums-in-classes.htmlhttps://devapps.quickvid.app/c-public-enums-in-classes.htmlI have a program with a class that contains a public enum, as follows: public class Card { public enum card_suits { Clubs, Hearts, Spades, Diamonds } ........Sat, 18 Jul 2026 04:20:16 -0400https://devapps.quickvid.app/mariadb-case-statement.htmlhttps://devapps.quickvid.app/mariadb-case-statement.htmlI have the following SQL-Code in a Mariadb-Database: (1) select Labornummer, Matrix, FaktorGW, FaktorAW from gc_Faktoren I need the following result: If Matrix='AW' => I need the field "Fa......Sat, 18 Jul 2026 04:17:03 -0400https://devapps.quickvid.app/importerror-numpy-core-multiarray-failed-to-import.htmlhttps://devapps.quickvid.app/importerror-numpy-core-multiarray-failed-to-import.htmlI'm trying to run this program import cv2 import time cv.NamedWindow("camera", 1) capture = cv.CaptureFromCAM(0) while True: img = cv.QueryFrame(capture) cv.ShowImage("cam......Sat, 18 Jul 2026 04:15:56 -0400https://devapps.quickvid.app/css-class-a-not-working.htmlhttps://devapps.quickvid.app/css-class-a-not-working.htmlThis algorithm just stopped working on my page (it had worked for over a year as it was): <div class="classA" id="specific1"> <a href="#">Link Text</a> </div> .classA ......Sat, 18 Jul 2026 04:10:01 -0400https://devapps.quickvid.app/pure-javascript-equivalent-of-jquery-039-s-ready-how-to-call-a-functio.htmlhttps://devapps.quickvid.app/pure-javascript-equivalent-of-jquery-039-s-ready-how-to-call-a-functio.htmlWith jQuery, we all know the wonderful .ready() function: $('document').ready(function(){}); However, let's say I want to run a function that is written in standard JavaScript with no library bac......Sat, 18 Jul 2026 04:00:21 -0400https://devapps.quickvid.app/how-to-handle-the-onkeypress-event-in-reactjs.htmlhttps://devapps.quickvid.app/how-to-handle-the-onkeypress-event-in-reactjs.htmlHow can I make the onKeyPress event work in ReactJS? It should alert when enter (keyCode=13) is pressed. var Test = React.createClass({ add: function(event){ if(event.keyCode == 13){ ......Sat, 18 Jul 2026 03:55:23 -0400https://devapps.quickvid.app/mysql-grant-all-privileges-on-database.htmlhttps://devapps.quickvid.app/mysql-grant-all-privileges-on-database.htmlI've created database, for example 'mydb'. CREATE DATABASE mydb CHARACTER SET utf8 COLLATE utf8_bin; CREATE USER 'myuser'@'%' IDENTIFIED BY PASSWORD '*HASH'; GRANT ALL ON mydb.* TO 'myuser'@'%'; ......Sat, 18 Jul 2026 03:34:05 -0400https://devapps.quickvid.app/html-iframe-not-showing-content-in-html.htmlhttps://devapps.quickvid.app/html-iframe-not-showing-content-in-html.htmlI want to show a youtube video in html 4. For that, I am using iframe. But the content of iframe is not showing. <iframe frameborder="1" width="420" height="345" src=&...Sat, 18 Jul 2026 03:25:35 -0400https://devapps.quickvid.app/what-are-the-main-differences-between-jwt-and-oauth-authentication.htmlhttps://devapps.quickvid.app/what-are-the-main-differences-between-jwt-and-oauth-authentication.htmlI have a new SPA with a stateless authentication model using JWT. I am often asked to refer OAuth for authentication flows like asking me to send 'Bearer tokens' for every request instead of a simple ...Sat, 18 Jul 2026 03:19:28 -0400https://devapps.quickvid.app/regex-attributeerror-039-nonetype-039-object-has-no-attribute-039-grou.htmlhttps://devapps.quickvid.app/regex-attributeerror-039-nonetype-039-object-has-no-attribute-039-grou.htmlI have a string which I want to extract a subset of. This is part of a larger Python script. This is the string: import re htmlString = '</dd><dt> Fine, thank you. </dt&g......Sat, 18 Jul 2026 03:17:33 -0400https://devapps.quickvid.app/redirect-from-an-html-page.htmlhttps://devapps.quickvid.app/redirect-from-an-html-page.htmlIs it possible to set up a basic HTML page to redirect to another page on load?...Sat, 18 Jul 2026 03:11:58 -0400https://devapps.quickvid.app/mul-function-in-assembly.htmlhttps://devapps.quickvid.app/mul-function-in-assembly.htmlI am trying to execute simple multiplication in Assembly. However, I do not see the registers change when the MUL function is called. mov bx, 5 mov cx, 10 mul cx...Sat, 18 Jul 2026 02:56:15 -0400https://devapps.quickvid.app/uninstalling-python3-on-macos.htmlhttps://devapps.quickvid.app/uninstalling-python3-on-macos.htmlI have uninstalled python3 using brew on macOS Catalina 10.15.3: brew uninstall python3 brew list | grep python python@2 But it still there: which python3 /usr/bin/python3 python3 -V Python 3.......Sat, 18 Jul 2026 02:49:54 -0400https://devapps.quickvid.app/how-do-i-get-an-oauth-2-0-authentication-token-in-c.htmlhttps://devapps.quickvid.app/how-do-i-get-an-oauth-2-0-authentication-token-in-c.htmlI have these settings: Auth URL (which happens to be a "https://login.microsoftonline.com/...") if that helps. Access Token URL "https://service.endpoint.com/api/oauth2/token" ClientId "abc" ...Sat, 18 Jul 2026 02:48:20 -0400https://devapps.quickvid.app/cassandra-equivalent-of-group-by.htmlhttps://devapps.quickvid.app/cassandra-equivalent-of-group-by.htmlI'm in initial stages of data modeling in Cassandra for an application. This application has existing relational persistence layer, which has to be replaced with Cassandra. Application uses a table ...Sat, 18 Jul 2026 02:30:59 -0400https://devapps.quickvid.app/difference-between-dba-segments-and-dba-users-when-trying-to-identify-.htmlhttps://devapps.quickvid.app/difference-between-dba-segments-and-dba-users-when-trying-to-identify-.htmlI am trying to figure out the list schema created in a database, I came across many answers like this and this which are trying to tell either use dba_segments or use dba_users. But when I use tho......Sat, 18 Jul 2026 02:28:42 -0400https://devapps.quickvid.app/can-i-concatenate-multiple-mysql-rows-into-one-field.htmlhttps://devapps.quickvid.app/can-i-concatenate-multiple-mysql-rows-into-one-field.htmlUsing MySQL, I can do something like: SELECT hobbies FROM peoples_hobbies WHERE person_id = 5; My Output: shopping fishing coding but instead I just want 1 row, 1 col: Expected Output: shoppi......Sat, 18 Jul 2026 02:16:14 -0400https://devapps.quickvid.app/sql-server-linked-server-example-query.htmlhttps://devapps.quickvid.app/sql-server-linked-server-example-query.htmlWhile in Management Studio, I am trying to run a query/do a join between two linked servers. Is this a correct syntax using linked db servers: select foo.id from databaseserver1.db1.table1 foo, ......Sat, 18 Jul 2026 01:54:28 -0400https://devapps.quickvid.app/adding-a-class-to-a-text-field-tag.htmlhttps://devapps.quickvid.app/adding-a-class-to-a-text-field-tag.htmlI am trying to give a class to my text_field_tag I have this <%= text_field_tag :login_aei, class: 'form-control' %> but it keeps generating this : <input type="text" name="login_aei" ......Sat, 18 Jul 2026 01:54:16 -0400https://devapps.quickvid.app/a-namespace-cannot-directly-contain-members-such-as-fields-or-methods-.htmlhttps://devapps.quickvid.app/a-namespace-cannot-directly-contain-members-such-as-fields-or-methods-.htmlI am trying to use this code for NET.reflector using Reflexil. I am trying to replace code with this: if(Input.GetKeyDown(KeyCode.Keypad5)) { int i = 0; Character localPlayer = PlayerClient....Sat, 18 Jul 2026 01:54:08 -0400https://devapps.quickvid.app/how-to-count-certain-elements-in-array.htmlhttps://devapps.quickvid.app/how-to-count-certain-elements-in-array.htmlI have an array: [1, 2, 3, 5, 2, 8, 9, 2] I would like to know how many 2s are in the array. What is the most elegant way to do it in JavaScript without looping with for loop?...Sat, 18 Jul 2026 01:40:38 -0400https://devapps.quickvid.app/how-convert-vb-project-to-c-project-closed.htmlhttps://devapps.quickvid.app/how-convert-vb-project-to-c-project-closed.htmlI have a project written in VB, and I need to convert the whole project to C# project. I don't want to do it file by file, I found some online converters, but they convert only lines of codes, not ......Sat, 18 Jul 2026 01:33:30 -0400