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How can I check if an element exists in the visible DOM?
...f the browser's selecting method, and checking it for a truthy value (generally).
For example, if my element had an id of "find-me", I could simply use...
var elementExists = document.getElementById("find-me");
This is specified to either return a reference to the element or null. If you must ha...
Synchronously waiting for an async operation, and why does Wait() freeze the program here
...g for the entire task to complete, you have a deadlock.
Moving the async call to Task.Run() solves the issue.
Because the async call is now running on a thread pool thread, it doesn't try to come back to the UI thread, and everything therefore works.
Alternatively, you could call StartAsTask().Con...
Why are there two ways to unstage a file in Git?
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git rm --cached <filePath> does not unstage a file, it actually stages the removal of the file(s) from the repo (assuming it was already committed before) but leaves the file in your working tree (leaving you with an untracked file).
git reset -- <filePath> will unstage any st...
What is the intended use-case for git stash?
...nce method. Since branches are so cheap and easy to manage in git, I personally almost always prefer creating a new temporary branch than stashing, but it's a matter of taste mostly.
The one place I do like stashing is if I discover I forgot something in my last commit and have already started work...
How to change href of tag on button click through javascript
...there's no need here, this has been a DOM property forever, .href works in all browsers...for example would you use .getAttribute("id") instead of just .id? :)
– Nick Craver♦
Dec 6 '10 at 10:34
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What's the difference between text/xml vs application/xml for webservice response
...a nutshell (section 9.2):
The registration information for text/xml is in all respects the same
as that given for application/xml above (Section 9.1), except that
the "Type name" is "text".
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How do you convert a jQuery object into a string?
...est').clone()).html();
This is explained in more depth here, but essentially you make a new node to wrap the item of interest, do the manipulations, remove it, and grab the HTML.
If you're just after a string representation, then go with new String(obj).
Update
I wrote the original answer in 2...
How can I build a small operating system on an old desktop computer? [closed]
...in, as I know writing an operating system is unbearably complicated (especially by oneself).
20 Answers
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Is an entity body allowed for an HTTP DELETE request?
...uest URI should completely identify the resource to delete. However, is it allowable to add extra meta-data as part of the entity body of the request?
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Can you do this HTML layout without using tables?
...ob quickly and correctly.
In this case a table worked perfectly.
I personally would have used a table for this.
I think nested tables should be avoided, things can get messy.
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