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Check if a JavaScript string is a URL
...ed question with an answer:
Javascript regex URL matching
Or this Regexp from Devshed:
function validURL(str) {
var pattern = new RegExp('^(https?:\\/\\/)?'+ // protocol
'((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|'+ // domain name
'((\\d{1,3}\\.){3}\\d{1,3}))'+ // OR ip (v4) addre...
When to use transclude 'true' and transclude 'element' in Angular?
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From AngularJS Documentation on Directives:
transclude - compile the content of the element and make it available to the directive. Typically used with ngTransclude. The advantage of transclusion is that the linking funct...
Enable Vim Syntax Highlighting By Default
...bly don't have a
$HOME/.vimrc or $HOME/_vimrc (known collectively as vimrc from now on). In that case, you have two options:
Create an empty vimrc.
Copy vimrc_example.vim as your vimrc (recommended, thanks @oyenamit). You can find vimrc_example.vim in the runtime directory.
The location of the r...
Reference list item by index within Django template?
... find an answer. What's the best way to reference a single item in a list from a Django template?
4 Answers
...
git: switch branch without detaching head
...xperimental Branch experimental set up to track remote branch experimental from origin by rebasing. Switched to a new branch 'experimental'
– Dustin
Aug 12 '13 at 16:56
...
Converting JSONarray to ArrayList
...to JSONArray. Im putting it into a listview and need to be able to delete from that listview later, and since JSONArray has no .remove method (Thanks Obama), I am trying to convert it to an arraylist.
...
Android Studio: Javadoc is empty on hover
I have moved from Eclipse to Android Studio recently, and am liking it. However, I miss the Javadoc on hover feature from Eclipse.
...
Writing your own STL Container
...
Here's a sequence pseudo-container I pieced together from § 23.2.1\4 Note that the iterator_category should be one of std::input_iterator_tag, std::output_iterator_tag,std::forward_iterator_tag,std::bidirectional_iterator_tag,std::random_access_iterator_tag. Also note that t...
Get last record in a queryset
... this, using reverse():
queryset.reverse()[0]
Also, beware this warning from the Django documentation:
... note that reverse() should
generally only be called on a QuerySet
which has a defined ordering (e.g.,
when querying against a model which
defines a default ordering, or when
us...
Why do some scripts omit the closing PHP tag, '?>'? [duplicate]
...
From PHP: Instruction Separation
The closing tag of a PHP block at the end of a file is optional, and in some cases omitting it is helpful when using include() or require(), so unwanted whitespace will not occur at the en...