Python PermissionError: [Errno 13] Permission denied – Code Example
Akash Mittal
Permission denied means you are not allowed to access a file. But why this happens? This is because a file has 3 access properties – read, write, and execute. And…
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Error
164 posts
SyntaxError: Support for the experimental syntax jsx isn’t currently enabled
JavaScript throws error “Support for the experimental syntax ‘jsx’ isn’t currently enabled” when either babel is not configured properly or there is script tag in JS file. In this article…
Git clean your repository working tree before checkout – Code Example
VSCode throws error “clean your repository working tree before checkout” when you have unstaged changes and trying to push your code. In this article we will look at the ways…
JavaScript TypeError: “xyz” is not a function – Code Example
JavaScript throws TypeError: something is not a function when you try to call a non-function entity with (). For example, if there is a variable x = 5 then if…
JavaScript SyntaxError: Unexpected token – Code Example
SyntaxError is raised by nearly all programming languages. The main cause is the issue with standard language construct. In this article we will discuss about the Unexpected token error of…
Git fatal this operation must be run in a work tree – Code Example
Git throws the fatal error that operation must be run in a work tree if you try to run a command outside the directory where git is absent. To understand…
Value of optional type ‘UIView?’ must be unwrapped to value type ‘UIView’
Flutter has changed splashScreenView from nonnull to nullable. The declaration has become – splashScreenView return nil when no splash screen is set but it was marked nonnull. Which is incorrect.…
DeprecationWarning: ‘getMutableClone’ has been deprecated since v4.0.0
In TypeScript version 4.8 getMutableClone has been deprecated. Else it is suggested that you use setCommentRange or setSourceMapRange, and avoid setting parent. Solution 1. Angular version should have compatible TypeScript version You need to…
ESLint: TypeError: this.libOptions.parse is not a function – Code Example
If you are using ESLint 8.23.0 and WebStorm 2022.2.1 or PhpStorm 2022.2.1 then you might be encountering TypeError: this.libOptions.parse is not a function. It’s a bug in ESLint 8.23.0. The…
terminate called after throwing instance of std::invalid_argument C++
In this article we will resolve the c++ issue related to “terminate called after throwing an instance of ‘std::invalid_argument’ what(): stoi“. Introduction Suppose you have a string and you want…
nginx failed to start high performance web server, address already in use
You run the command systemctl status nginx.service or sudo systemctl start nginx and bam, you got a scary multi lines error stating that nginx failed to start high performance web…
Error: Argument 1 to diffInDays() must instance of Carbon – Code Example
php-carbon throws the “Type error: Argument 1 passed to Carbon\Carbon::diffInDays() must be an instance of Carbon\Carbon, string given” when the arguments passed are anything different than year, month, day and…
XCode Error: Undefined Symbol: _OBJC_CLASS_$_ – Code Example
XCode throws the error: Undefined Symbol: _OBJC_CLASS_$_xyz, where xyz is the name of the class, when your project is not able to find the framework or library. It happens if…
TypeError: Cannot read properties of undefined (‘FLAGS’) – Code Example
In Discord.js v14, Intent is deprecated. If you try to use Intents.FLAGS.GUILDS then it will raise TypeError: Cannot read properties of undefined (reading ‘FLAGS’). Instead you will need to use…
Error: unknown argument: prod in “ng build –prod –aot” – Code Example
Angular throws Error: unknown argument: prod if you try to run ng build –prod –aot because prod is deprecated in Angular 12 and removed in Angular 14. The solution is…
Unable to negotiate with ip:22: no matching host key found – Code Example
You get Unable to negotiate with ip port 22: no matching host key type found error when you try to authenticate on Github with SSH using ssh-rsa algorithm. ssh-rsa is…
Node Sass v7.0.0 incompatible ^4.0.0 || ^5.0.0 || ^6.0.0 – Code Example
Node throws the error Sass version 7.0.0 is incompatible with ^4.0.0 || ^5.0.0 || ^6.0.0 because node-sass is deprecated. Use sass instead of node-sass. Solution with Code Example 1. Use…
Uncaught ReferenceError: process is not defined ReactJS – Code Example
React-Scripts throws the error Uncaught ReferenceError: process is not defined due to it’s dependency on react-error-overlay. The dependencies of react-error-overlay got updated to support webpack V5 which is not compatible…
MSVCR120.dll is missing, mysqld.exe error WampServer – Code Example
WampServer throws error, mysqld.exe can’t start because MSVCR120.dll is missing if it is not able to find Microsoft Visual C++ Redistributable (MSVCR). The issue is that it requires all the…
Elasticsearch Kibana server is not ready yet – Code Example
There could be number of reasons where you get the error, Kibana server is not ready yet. Some of them includes – Configuration error in Kibana indexes Wrong elastic.hosts settings.…