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Objective-C ARC: strong vs retain and weak vs assign
...ew memory management attributes for properties introduced by ARC, strong and weak .
8 Answers
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How to avoid “if” chains?
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You can use an && (logic AND):
if (executeStepA() && executeStepB() && executeStepC()){
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}
executeThisFunctionInAnyCase();
this will satisfy both of your requirements:
executeStep<X>() should evaluate only if the pre...
What events does an fire when it's value is changed?
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only oninput is fired when 'up' and 'down' arrows are clicked.
– N 1.1
Oct 15 '10 at 7:36
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Breaking/exit nested for in vb.net
...you want:
Goto. In general, using goto is considered to be bad practice (and rightfully so), but using goto solely for a forward jump out of structured control statements is usually considered to be OK, especially if the alternative is to have more complicated code.
For Each item In itemList
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Why isn't String.Empty a constant?
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which we can access from native.
I found this information from this handy article at CodeProject.
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How do I get the opposite (negation) of a Boolean in Python?
...answered Aug 11 '11 at 18:16
jtbandesjtbandes
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Print string and variable contents on the same line in R
Is there a way to print text and variable contents on the same line? For example,
8 Answers
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Get the real width and height of an image with JavaScript? (in Safari/Chrome)
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Webkit browsers set the height and width property after the image is loaded. Instead of using timeouts, I'd recommend using an image's onload event. Here's a quick example:
var img = $("img")[0]; // Get my img elem
var pic_real_width, pic_real_height;
$...
AngularJS - difference between pristine/dirty and touched/untouched
AngularJS Developer Guide - Forms tell there are many styles and directives regarding forms and fields. For each one, a CSS class:
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Java: How to convert List to Map
...gue about what would be the optimal way to convert List to Map in Java and if there any specific benefits of doing so.
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