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Using global variables in a function
...bal variables are so dangerous, Python wants to make sure that you really know that's what you're playing with by explicitly requiring the global keyword.
See other answers if you want to share a global variable across modules.
...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
...http://hertzen.com/experiments/jsfeedback/
edit
The html2canvas script is now available separately here and some examples here.
edit 2
Another confirmation that Google uses a very similar method (in fact, based on the documentation, the only major difference is their async method of traversing/dra...
Differences between fork and exec
...d process (parent) as its parent PID (PPID). Because the two processes are now running exactly the same code, they can tell which is which by the return code of fork - the child gets 0, the parent gets the PID of the child. This is all, of course, assuming the fork call works - if not, no child is c...
Why use getters and setters/accessors?
...erns. And what other objects (breaks) the method notifies I don't want to know either.
– sbi
Aug 24 '12 at 9:35
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How to change color of SVG image using CSS (jQuery SVG image replacement)?
... advantage is that it allows you to use CSS to change the color of the SVG now, like so:
svg:hover path {
fill: red;
}
The jQuery code I wrote also ports across the original images ID and classes. So this CSS works too:
#facebook-logo:hover path {
fill: red;
}
Or:
.social-link:hover p...
How to get a json string from url?
...em.Net.WebClient()) {
var json = webClient.DownloadString(URL);
// Now parse with JSON.Net
}
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What is the intended use-case for git stash?
...rrent mess I made
git stash save
# some changes in the working dir
# and now add them to the last commit:
git add -u
git commit --amend
# back to work!
git stash pop
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How can I get selector from jQuery object
...t has a selector property I saw when digging in its code yesterday. Don't know if it's defined in the docs are how reliable it is (for future proofing). But it works!
$('*').selector // returns *
Edit: If you were to find the selector inside the event, that information should ideally be part of t...
CSS center text (horizontally and vertically) inside a div block
...
There's now a display: table-cell property for that, FYI. Using it makes the element behave like a table cell and allows vertical-align: middle;
– Shauna
Apr 18 '11 at 14:38
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GitHub clone from pull request?
...fetch origin pull/2/head
git checkout -b pullrequest FETCH_HEAD
You will now be on a new branch that is on the state of the pull request.
You might want to set up an alias by running
git config --global alias.pro '!f() { git fetch -fu ${2:-origin} refs/pull/$1/head:pr/$1 && git checkout ...