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How to get a DOM Element from a JQuery Selector
...erience). Take your checkbox example:
$(":checkbox").click(function() {
if ($(this).is(":checked")) {
// do stuff
}
});
is more "jquery'ish" and (imho) more concise. What if you wanted to number them?
$(":checkbox").each(function(i, elem) {
$(elem).data("index", i);
});
$(":checkbox")....
Is there an ignore command for git like there is for svn?
... whatever subdirectory.
You can also edit .git/info/exclude to ignore specific files just in that one working copy. The .git/info/exclude file will not be committed, and will thus only apply locally in this one working copy.
You can also set up a global file with patterns to ignore with git config...
What to return if Spring MVC controller method doesn't return value?
...value = HttpStatus.OK)
public void updateDataThatDoesntRequireClientToBeNotified(...) {
...
}
Only get methods return a 200 status code implicity, all others you have do one of three things:
Return void and mark the method with @ResponseStatus(value = HttpStatus.OK)
Return An object and mar...
Download file from web in Python 3
...nload a .jar (java) file from a web server, by reading the URL that is specified in the .jad file of the same game/application. I'm using Python 3.2.1
...
Get last n lines of a file, similar to tail
...f the file
while lines_to_go > 0 and block_end_byte > 0:
if (block_end_byte - BLOCK_SIZE > 0):
# read the last block we haven't yet read
f.seek(block_number*BLOCK_SIZE, 2)
blocks.append(f.read(BLOCK_SIZE))
else:
# file too ...
Getting the ID of the element that fired an event
...Note also that this will also work, but that it is not a jQuery object, so if you wish to use a jQuery function on it then you must refer to it as $(this), e.g.:
$(document).ready(function() {
$("a").click(function(event) {
// this.append wouldn't work
$(this).append(" Clicked")...
Validating parameters to a Bash script
...
~/myfolder3/$1/thisisafolder
EOF
edit: I missed the part about checking if the directories exist at first, so I added that in, completing the script. Also, have addressed issues raised in comments; fixed the regular expression, switched from == to eq.
This should be a portable, POSIX compliant s...
How is std::function implemented?
...
The implementation of std::function can differ from one implementation to another, but the core idea is that it uses type-erasure. While there are multiple ways of doing it, you can imagine a trivial (not optimal) solution could be like this (simplified for the spec...
Https Connection Android
... post and I'm getting an exception of ssl exception Not trusted server certificate. If i do normal http it is working perfectly fine. Do I have to accept the server certificate somehow?
...
How Python web frameworks, WSGI and CGI fit together
... every request, and subprocess must exit or close stdout and stderr to signify end of response.
WSGI is an interface that is based on the CGI design pattern. It is not necessarily CGI -- it does not have to fork a subprocess for each request. It can be CGI, but it doesn't have to be.
WSGI adds t...