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jQuery Tips and Tricks
... whenever I want to append the new div I created,
I can just reference it from the "newDiv" variable */
Checking if an element exists
if ($("#someDiv").length)
{
// It exists...
}
Writing your own selectors
$.extend($.expr[":"], {
over100pixels: function (e)
{
return ...
How can I make the tabs work normally on Xcode 4?
...at they behave very strange. For example they will keep a tab open only if it was opened to a new tab.
12 Answers
...
How to articulate the difference between asynchronous and parallel programming?
...ving responsiveness. I understand the difference generally, but often find it difficult to articulate in my own mind, as well as for others.
...
How do I parse an ISO 8601-formatted date?
...uestion, but also other ISO 8601 date and time strings that don't comply with RFC 3339 (such as ones with no UTC offset, or ones that represent only a date).
>>> import dateutil.parser
>>> dateutil.parser.isoparse('2008-09-03T20:56:35.450686Z') # RFC 3339 format
datetime.datetime...
Generating an MD5 checksum of a file
...
You can use hashlib.md5()
Note that sometimes you won't be able to fit the whole file in memory. In that case, you'll have to read chunks of 4096 bytes sequentially and feed them to the md5 method:
import hashlib
def md5(fname):
hash_md5 = hashlib.md5()
with open(fname, "rb") as f:
...
Animate change of view background color on Android
...iguring out a (pretty good) solution for this problem!
You can use a TransitionDrawable to accomplish this. For example, in an XML file in the drawable folder you could write something like:
<?xml version="1.0" encoding="UTF-8"?>
<transition xmlns:android="http://schemas.android.com/apk/r...
Why should I use a semicolon after every function in javascript?
...r myFn = function () {
//...
};
(function () {
//...
})();
If you omit the semicolon after the first function in the above example, you will get completely undesired results:
var myFn = function () {
alert("Surprise!");
} // <-- No semicolon!
(function () {
//...
})();
The first fu...
“Add as Link” for folders in Visual Studio projects
...
As this blogpost stated, it is possible.
<ItemGroup>
<Compile Include="any_abs_or_rel_path\**\*.*">
<Link>%(RecursiveDir)%(FileName)%(Extension)</Link>
</Compile>
</ItemGroup>
But be aware, the f...
Detecting when user scrolls to bottom of div with jQuery
I have a div box (called flux) with a variable amount of content inside.
This divbox has overflow set to auto.
14 Answers
...
Why always ./configure; make; make install; as 3 separate steps?
...his script has lots of options that you should change. Like --prefix or --with-dir=/foo. That means every system has a different configuration. Also ./configure checks for missing libraries that should be installed. Anything wrong here causes not to build your application. That's why distros have pa...