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Groovy: what's the purpose of “def” in “def x = 0”?

...is kind of problem can take a lot of time to find and fix--Even if it only bit you once in your life it would still cost more time than explicitly declaring the variables thousands of times throughout your career. It also becomes clear to the eye just where it's being declared, you don't have to gu...
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NSOperation vs Grand Central Dispatch

... I only mildly disagree; I use plain GCD quite a bit. But I think you discount NSBlockOperation too heavily in this answer. All the benefits of NSOperationQueue (dependencies, debugability, etc.) apply to block operations too. – BJ Homer ...
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Separation of JUnit classes into special test package?

... test class show up close when using IDE search features, which makes it a bit better than Test<class>.java. – christopheml Feb 22 '18 at 9:38 ...
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Why does Sql Server keep executing after raiserror when xact_abort is on?

...modify this behavior for a future release of SQL Server. Yes, this is a bit of an issue for some who hoped RAISERROR with a high severity (like 16) would be the same as an SQL execution error - it's not. Your workaround is just about what you need to do, and using an explicit transaction doesn't...
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Deep null checking, is there a better way?

...ator. We try to avoid lexical constructs that require us to "look ahead" arbitrarily far in the token stream. (Though, unfortunately, there already are such constructs in C#; we'd rather not add any more.) – Eric Lippert Jan 17 '10 at 18:44 ...
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Data structure for loaded dice?

...ucture. Some of them are also economical in terms of the number of random bits they use on average. Many of these algorithms were introduced after 2011, and they include— the Bringmann–Larsen succinct data structure ("Succinct Sampling from Discrete Distributions", 2012), Yunpeng Tang's multi...
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Set selected index of an Android RadioGroup

... Honestly I feel a bit embarrassed that this is my highest voted SO answer. – jjm Mar 16 '15 at 20:46 ...
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HTML5 record audio to file

...putIndex++; } return result; } function floatTo16BitPCM(output, offset, input){ for (var i = 0; i < input.length; i++, offset+=2){ var s = Math.max(-1, Math.min(1, input[i])); output.setInt16(offset, s < 0 ? s * 0x8000 : s * 0x7FFF, true); ...
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What does (angle brackets) mean in Java?

...means "a map with String keys and Integer values." Your Pool example is a bit different, because there you are defining a class. So in that case, you are creating a class that somebody else could instantiate with a particular type in place of T. For example, I could create an object of type Pool&lt...
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Is the NOLOCK (Sql Server hint) bad practice?

... IMO, This is a bit simplistic. Deadlocks can be removed by using covering indexes, taking the pressure off the Clustered index. – Mitch Wheat Sep 21 '09 at 6:27 ...