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How can I implode an array while skipping empty array items?

...ode('-', array_filter($array)); Obviously this will not work if you have 0 (or any other value that evaluates to false) in your array and you want to keep it. But then you can provide your own callback function. share ...
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How do I draw a shadow under a UIView?

...eeds to happen after CGContextSetShadow(currentContext, CGSizeMake(-15, 20), 5); but before CGContextRestoreGState(currentContext); So if you want the superclass's drawRect: to be 'wrapped' in a shadow, then how about if you rearrange your code like this? - (void)drawRect:(CGRect)rect { ...
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Convert a number range to another range, maintaining ratio

...) + NewMin Or if you want to protect for the case where the old range is 0 (OldMin = OldMax): OldRange = (OldMax - OldMin) if (OldRange == 0) NewValue = NewMin else { NewRange = (NewMax - NewMin) NewValue = (((OldValue - OldMin) * NewRange) / OldRange) + NewMin } Note that in this...
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Splitting a list into N parts of approximately equal length

...ken due to rounding errors. Do not use it!!! assert len(chunkIt([1,2,3], 10)) == 10 # fails Here's one that could work: def chunkIt(seq, num): avg = len(seq) / float(num) out = [] last = 0.0 while last < len(seq): out.append(seq[int(last):int(last + avg)]) ...
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Measuring text width to be drawn on Canvas ( Android )

... answered Jul 15 '10 at 16:02 Marc BernsteinMarc Bernstein 10.9k55 gold badges3030 silver badges3131 bronze badges ...
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Maven in Eclipse: step by step installation [closed]

I have spent been on the Maven site reading the 5- and 30-minute tutorials, and trialing Maven out for the first time. 13 A...
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Check for array not empty: any?

...to empty? ? – RocketR Nov 17 '12 at 0:00 13 @RocketR you might want to checkout present? method. ...
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How to delete last character from a string using jQuery?

... You can also try this in plain javascript "1234".slice(0,-1) the negative second parameter is an offset from the last character, so you can use -2 to remove last 2 characters etc share | ...
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How to initialize all members of an array to the same value in Swift?

... 170 Actually, it's quite simple with Swift. As mentioned in the Apple's doc, you can initialize an a...
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PHP cURL vs file_get_contents

... answered Jun 16 '12 at 16:00 XeoncrossXeoncross 49k7070 gold badges234234 silver badges340340 bronze badges ...