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Protected methods in Objective-C
...a severe speed penalty, but for obvious reasons this is not done.)
Taken from Source.
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What does the leading semicolon in JavaScript libraries do?
...referred to as a leading semicolon.
Its main purpose is to protect itself from preceding code that was improperly closed, which can cause problems. A semicolon will prevent this from happening. If the preceding code was improperly closed then our semicolon will correct this. If it was properly clos...
LINQ Contains Case Insensitive
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The comment from @Dorival doesnt work, as it gives this errormessage: Error 1 'string' does not contain a definition for 'Contains' and the best extension method overload 'System.Linq.ParallelEnumerable.Contains<TSource>(System.Lin...
FragmentPagerAdapter getItem is not called
...is may throw a wrench in your gears. Of course, if you are using fragments from the support library v4 you should be okay.
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How do you know when to use fold-left and when to use fold-right?
...re you can see the traversal to the base case 4 and building up the result from there.
So I posit a rule of thumb: if it looks like a list iteration, one that would be simple to write in tail-recursive form, foldl is the way to go.
But really this will be probably be most evident from the associat...
Python strftime - date without leading 0?
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It worked for me on OS X, but I'm using the Python 2.7.2 from python.org.
– Tim Swast
Jun 8 '13 at 21:24
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How to check for null in Twig?
...one (in twig terms). I'm pretty sure this is to suppress bad access errors from occurring in the template.
Due to the lack of a "identity" in Twig (===) this is the best you can do
{% if var == null %}
stuff in here
{% endif %}
Which translates to:
if ((isset($context['somethingnull']) ? $c...
outline on only one border
...en use as a background and stretch it (repeat-x) and position a little off from the top of my block.
Recently, I discovered the outline CSS property, which is great! But seems to circle the whole block...
Is it possibly to use this outline property to do it on just only one border?
Also, if not, d...
Avoid dropdown menu close on click inside
...erefore, implementing this function should be able to disable the dropdown from closing.
$('#myDropdown').on('hide.bs.dropdown', function (e) {
var target = $(e.target);
if(target.hasClass("keepopen") || target.parents(".keepopen").length){
return false; // returning false should st...
How can you use optional parameters in C#?
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From this site:
http://www.tek-tips.com/viewthread.cfm?qid=1500861&page=1
C# does allow the use of the [Optional] attribute (from VB, though not functional in C#). So you can have a method like this:
using System.Runti...