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How to tell if a JavaScript function is defined
How do you tell if a function in JavaScript is defined?
21 Answers
21
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iOS - Calling App Delegate method from ViewController
What I am trying to do is click a button (that was created in code) and have it call up a different view controller then have it run a function in the new view controller.
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Deleting an object in java?
I want to delete an object I created, (a oval which follows you), but how would I do this?
7 Answers
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Generate array of all letters and digits
Using ruby, is it possible to make an array of each letter in the alphabet and 0-9 easily?
7 Answers
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Find size of an array in Perl
I seem to have come across several different ways to find the size of an array. What is the difference between these three methods?
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Linq to Entities join vs groupjoin
I have web searched but I still cant find a simple answer. Can someone please explain (in simple English) what a GroupJoin is? How is it different from a regular inner Join ? Is it commonly used? Is it only for method syntax? What about query syntax? A c# code example would be nice.
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call a static method inside a class?
how do i call a static method from another method inside the same class?
4 Answers
4
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Python decorators in classes
Can one write something like:
11 Answers
11
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OS X Terminal Colors [closed]
I'm new to OS X, having just gotten a Mac after working with Ubuntu Linux for some time. Among the many things I'm trying to figure out is the absence of colors in my terminal window - like the ones that are shown (on Linux) when running ls -la or git status ...
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What does the unary plus operator do?
What does the unary plus operator do? There are several definitions that I have found ( here and here ) but I still have no idea what it would be used for. It seems like it doesn't do anything but there has be a reason for it, right?
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