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How to change height of grouped UITableView header?

...ht. Returning 0 causes UITableView to use a default value. This is undocumented behavior. If you return a very small number, you effectively get a zero-height header. Swift 3: func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat { if secti...
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Draw on HTML5 Canvas using a mouse

... = 0, currX = 0, prevY = 0, currY = 0, dot_flag = false; var x = "black", y = 2; function init() { canvas = document.getElementById('can'); ctx = canvas.getContext("2d"); w = canvas.width; h = canvas.h...
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In JPA 2, using a CriteriaQuery, how to count results

... @Barett if it's a rather large count you probably don't want to load a list of hundreds or thousands of entities into memory just to find out how many there are! – Affe Dec 10 '12 at 6:31 ...
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How to install a specific version of a ruby gem?

... project and another that's 3.0 that i'm working on at the same time.. how do i use a specific version of rake for each project (ie on command line?) – abbood Mar 13 '14 at 8:40 ...
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C++, What does the colon after a constructor mean? [duplicate]

... can we do something like this Demo():m_val(NULL) I am doing this but its giving me errors, any idea what i am doing wrong? – 2am Oct 14 '13 at 11:33 ...
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How to combine two strings together in PHP?

I don't actually know how to describe what I wanted but I'll show you: 17 Answers 17 ...
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How to get JQuery.trigger('click'); to initiate a mouse click

...te a mouse click using JQuery. Can someone please inform me as to what i'm doing wrong. 11 Answers ...
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How to lose margin/padding in UITextView?

...= UIEdgeInsets.zero textContainer.lineFragmentPadding = 0 } } Don't forget to turn off scrollEnabled in the Inspector! The solution works properly in storyboard The solution works properly at runtime That's it, you're done. In general, that should be all you need in most cases. Even...
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Animate the transition between fragments

...e aren't any transition properties that use relative values. However, this doesn't prevent you from writing them yourself. Remember that property animations simply require getter and setter methods on the objects you're animating (in this case views), so you can just create your own getXFraction and...
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Why use def main()? [duplicate]

...edited Dec 21 '16 at 18:31 Drew Dormann 47.5k1111 gold badges101101 silver badges153153 bronze badges answered Oct 28 '10 at 8:56 ...