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What does ~~ (“double tilde”) do in Javascript?
...ample is:
-43.210 = 111111111111111111111111110101012
as a signed (two's complement) 32-bit binary number. (JavaScript ignores what is after the decimal point.) Inverting the bits gives:
NOT -4310 = 000000000000000000000000001010102 = 4210
Inverting again gives:
NOT 4210 = 111111111111111111111...
Best practices for catching and re-throwing .NET exceptions
...orrect, assuming the exception allows you to pass an exception (which is recommended).
Karl Seguin has a great write up on exception handling in his foundations of programming e-book as well, which is a great read.
Edit: Working link to Foundations of Programming pdf. Just search the text for "exc...
Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...can also change that to use "embed/" instead of "v/" so a full URL would become: <iframe width='1080' height='760' src="https://www.youtube.com/embed/dQw4w9WgXcQ" frameborder="0" allowfullscreen></iframe>
– backwardm
Aug 5 '15 at 20:28
...
CSS hide scroll bar if not needed
... You can always try to use the stackoverflow search: stackoverflow.com/questions/450903/…
– RJo
Sep 10 '13 at 10:59
...
iOS (iPhone, iPad, iPodTouch) view real-time console log terminal
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How to get Android crash logs?
...e when the crash occurred, connecting the device and issuing an adb logcat command will download the entire logcat history (at least to the extent that it is buffered which is usually a loooot of log data, it's just not infinite). Do either of those options answer your question? If not can you att...
How to parse an RSS feed using JavaScript?
...
Parsing the Feed
With jQuery's jFeed
(Don't really recommend that one, see the other options.)
jQuery.getFeed({
url : FEED_URL,
success : function (feed) {
console.log(feed.title);
// do more stuff here
}
});
With jQuery's Built-in XML Support
$.get...
Push existing project into Github
...
git init
git add .
git commit -m "Initial commit"
git remote add origin <project url>
git push -f origin master
The -f option on git push forces the push. If you don't use it, you'll see an error like this:
To git@github.com:roseperrone/pr...
Can someone explain the dollar sign in Javascript?
...has some effects on the use of other Javascript libraries. See docs.jquery.com/Using_jQuery_with_Other_Libraries
– Thimmayya
Nov 7 '09 at 1:27
17
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How can you debug a CORS request with cURL?
...ending a regular CORS request using cUrl:
curl -H "Origin: http://example.com" --verbose \
https://www.googleapis.com/discovery/v1/apis?fields=
The -H "Origin: http://example.com" flag is the third party domain making the request. Substitute in whatever your domain is.
The --verbose flag print...