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What's the simplest way to test whether a number is a power of 2 in C++?

...em. Anyone can make a mistake, I guess - if I make any in the future, feel free to edit them out. – Adam Wright Sep 20 '08 at 15:02  |  show 4...
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Centering a background image, using CSS

... You could make a screenshot and upload it to your server or a free pic hosting site like photobucket.com, or make a temporary example at www.jsfiddle.net and post a link for us. From what you've said, the image is 1600x1200 and most screen resolutions don't go that high, try resizing yo...
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How to convert vector to array

... @guneykayim The vector owns that memory, you shouldn't free it – Michael Mrozek May 30 '14 at 14:35 24 ...
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How do I fix "The expression of type List needs unchecked conversion…'?

... Since getEntries returns a raw List, it could hold anything. The warning-free approach is to create a new List<SyndEntry>, then cast each element of the sf.getEntries() result to SyndEntry before adding it to your new list. Collections.checkedList does not do this checking for you—although...
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Can I safely delete contents of Xcode Derived data folder?

...ata 9.4G /Users/horace/Library/Developer/Xcode/iOS DeviceSupport Feel free to remove stuff in the folders: rm -rf ~/Library/Developer/Xcode/DerivedData/* and some in: open ~/Library/Developer/Xcode/iOS\ DeviceSupport/ ...
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Can you delete multiple branches in one command with Git?

...(refname:short)" refs/heads/3.2\* | xargs git branch -D ... or the xargs-free: git branch -D `git for-each-ref --format="%(refname:short)" refs/heads/3.2\*` share | improve this answer ...
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What happened to “HelveticaNeue-Italic” on iOS 7.0.3

... it is not deployable to iOS 6 (because CTFontRef and UIFont were not toll-free bridged on iOS 6). However, on iOS 6 you can just use your regular font lookup code. share | improve this answer ...
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How to add an image to a JPanel?

...own Component subclass completely by using the JXImagePanel class from the free SwingX libraries. Download share | improve this answer | follow | ...
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How do I delete everything in Redis?

.... So, imho, my addition is a good one, which has helped a few people. Feel free to disagree ofcourse, that's also what SO is about. – Tw Bert May 15 '14 at 21:25 ...
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Xcode/Simulator: How to run older iOS version?

... You are free to choose the versions you want. – t.mikael.d Jan 16 '12 at 7:08 ...