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How do I use NSTimer?

...ewController double timerInterval = 1.0f; - (NSTimer *) timer { if (!_timer) { _timer = [NSTimer timerWithTimeInterval:timerInterval target:self selector:@selector(onTick:) userInfo:nil repeats:YES]; } return _timer; } - (void)viewDidLoad { [super viewDidLoad]; [[NSRu...
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JavaScript/JQuery: $(window).resize how to fire AFTER the resize is completed?

... Here's a modification of CMS's solution that can be called in multiple places in your code: var waitForFinalEvent = (function () { var timers = {}; return function (callback, ms, uniqueId) { if (!uniqueId) { uniqueId = "Don't call this twice without a uniqueId"; ...
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Pandas aggregate count distinct

... How about either of: >>> df date duration user_id 0 2013-04-01 30 0001 1 2013-04-01 15 0001 2 2013-04-01 20 0002 3 2013-04-02 15 0002 4 2013-04-02 30 0002 >>> df.groupby("date").agg({"duration": np.sum, "use...
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How do I find the .NET version?

How do I find out which version of .NET is installed? 19 Answers 19 ...
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Android Camera : data intent returns null

... Really helpful answer I wish I could accept it for others to find the solution more efficiently. – user1160020 May 3 '13 at 13:32 ...
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Convert character to ASCII code in JavaScript

... Fun fact: you don’t really need the 0 (first argument value) — just "\n".charCodeAt() will do. – Mathias Bynens Oct 17 '11 at 9:40 ...
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std::shared_ptr thread safety explained

...ly regarding your original 3 questions. But the ending part of your edit Calling reset() in thread IV will delete previous instance of A class created in first thread and replace it with new instance? Moreover after calling reset() in IV thread other threads will see only newly created object? is ...
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How do I clear/delete the current line in terminal?

... The line deleted by Ctrl-U is recallable with Ctrl-Y, too. – keks Dec 4 '12 at 10:59 67 ...
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Adding devices to team provisioning profile

...ed to add a device to my team provisioning profile, however I do not physically have the device so I can't hook it up to my computer so Xcode can't add the UDID to my devices and to the team provisioning profile. Is there a way to add it manually to the team provisioning profile, I can't figure out...
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When would you use delegates in C#? [closed]

...e delegate's invocation. public class DataProvider { protected string _connectionString; public DataProvider( string psConnectionString ) { _connectionString = psConnectionString; } public void UseReader( string psSELECT, DataReaderUser readerUser ) { using...