How to modify existing, unpushed commit messages?

Amending the most recent commit message git commit –amend will open your editor, allowing you to change the commit message of the most recent commit. Additionally, you can set the commit message directly in the command line with: git commit –amend -m “New commit message” …however, this can make multi-line commit messages or small corrections … Read more

How do I redirect to another webpage?

One does not simply redirect using jQuery jQuery is not necessary, and window.location.replace(…) will best simulate an HTTP redirect. window.location.replace(…) is better than using window.location.href, because replace() does not keep the originating page in the session history, meaning the user won’t get stuck in a never-ending back-button fiasco. If you want to simulate someone clicking … Read more

How do I check out a remote Git branch?

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 does “use strict” do in JavaScript, and what is the reasoning behind it?

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

How do I check if an element is hidden in jQuery?

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

Why does HTML think “chucknorris” is a color?

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

How do I force “git pull” to overwrite local files?

[*] ⚠ 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

Can comments be used in JSON?

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

What and where are the stack and heap?

The stack is the memory set aside as scratch space for a thread of execution. When a function is called, a block is reserved on the top of the stack for local variables and some bookkeeping data. When that function returns, the block becomes unused and can be used the next time a function is … Read more

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