Kirat The answer has been split depending on whether there is one remote repository configured or multiple. The reason for this is that for the single remote case, some of the commands can be simplified as there is less ambiguity. Updated for Git 2.23: For older versions, see the section at the end. With One Remote … Read more
What you should know about this this (aka “the context”) is a special keyword inside each function and its value only depends on how the function was called, not how/when/where it was defined. It is not affected by lexical scopes like other variables (except for arrow functions, see below). Here are some examples: function foo() … Read more
Introduction “Use strict” is a directive that is used to enable strict mode in JavaScript. Strict mode is a way to opt-in to a restricted variant of JavaScript that helps to catch common coding mistakes and prevent them from becoming bugs. It is a way to ensure that code is written in a more secure … Read more
Update for ES6 modules Inside native ECMAScript modules (with import and export statements) and ES6 classes, strict mode is always enabled and cannot be disabled. Original answer This article about Javascript Strict Mode might interest you: John Resig – ECMAScript 5 Strict Mode, JSON, and More To quote some interesting parts: Strict Mode is a … Read more
Well, the problem is that the variable i, within each of your anonymous functions, is bound to the same variable outside of the function. ES6 solution: let ECMAScript 6 (ES6) introduces new let and const keywords that are scoped differently than var-based variables. For example, in a loop with a let-based index, each iteration through … Read more
Since the question refers to a single element, this code might be more suitable: // Checks CSS content for display:[none|block], ignores visibility:[true|false] $(element).is(“:visible”); // The same works with hidden $(element).is(“:hidden”); It is the same as twernt’s suggestion, but applied to a single element; and it matches the algorithm recommended in the jQuery FAQ. We use … Read more
TL;DR int *sieve = (int *) malloc(sizeof(int) * length); has two problems. The cast and that you’re using the type instead of variable as argument for sizeof. Instead, do like this: int *sieve = malloc(sizeof *sieve * length); Long version No; you don’t cast the result, since: It is unnecessary, as void * is automatically … Read more
It’s a holdover from the Netscape days: Missing digits are treated as 0[…]. An incorrect digit is simply interpreted as 0. For example the values #F0F0F0, F0F0F0, F0F0F, #FxFxFx and FxFxFx are all the same. It is from the blog post A little rant about Microsoft Internet Explorer’s color parsing which covers it in great … Read more
Event binding on dynamically created elements? solved Event binding on dynamically created elements?
Introduction Git pull is a powerful command that allows you to download the latest version of a repository from a remote server and merge it with your local version. However, sometimes you may need to overwrite your local files with the remote version. In this article, we will discuss how to force git pull to … Read more
[*] ⚠ Warning: Any uncommitted local changes to tracked files will be lost. Any local files that are not tracked by Git will not be affected. First, update all origin/<branch> refs to latest: git fetch –all Backup your current branch (e.g. master): git branch backup-master Jump to the latest commit on origin/master and checkout those … Read more
What are the syntax errors? PHP belongs to the C-style and imperative programming languages. It has rigid grammar rules, which it cannot recover from when encountering misplaced symbols or identifiers. It can’t guess your coding intentions. Most important tips There are a few basic precautions you can always take: Use proper code indentation, or adopt … Read more
No. JSON is data-only. If you include a comment, then it must be data too. You could have a designated data element called “_comment” (or something) that should be ignored by apps that use the JSON data. You would probably be better having the comment in the processes that generates/receives the JSON, as they are … Read more
Introduction Solution The mysql_* functions in PHP are deprecated and no longer supported. They are also vulnerable to SQL injection attacks, which can be used to gain access to sensitive data. Additionally, the mysql_* functions are not compatible with the newer versions of PHP, so using them can lead to compatibility issues. For these reasons, … Read more
The MySQL extension: Is not under active development Is officially deprecated as of PHP 5.5 (released June 2013). Has been removed entirely as of PHP 7.0 (released December 2015) This means that as of 31 Dec 2018 it does not exist in any supported version of PHP. If you are using a version of PHP … Read more