大约有 38,000 项符合查询结果(耗时:0.0381秒) [XML]

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What does the thread_local mean in C++11?

...used to refer to data that is seemingly global or static storage duration (from the viewpoint of the functions using it) but in actual fact, there is one copy per thread. It adds to the current automatic (exists during a block/function), static (exists for the program duration) and dynamic (exists ...
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How to create a shared library with cmake?

... Is there a "post generation" possibility to create the "header" directory from my sources? (install commands maybe) – Sandburg Oct 22 '19 at 7:39 add a comment ...
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What is the formal difference in Scala between braces and parentheses, and when should they be used?

... There is an effort from the community to standardize the usage of braces and parentheses, see Scala Style Guide (page 21): http://www.codecommit.com/scala-style-guide.pdf The recommended syntax for higher order methods calls is to always use b...
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When should one use a spinlock instead of mutex?

...sing spinlocks is a good idea in your iOS project, use that one. Stay away from OSSpinLock! And under no circumstances implement your own spinlocks in iOS! If in doubt, use a mutex! macOS is not affected by this issue as it has a different thread scheduler that won't allow any thread (even low prio ...
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is vs typeof

.... In cases of T being class, typeof(T) is not reliable since its different from actual underlying type t.GetType. In short, if you have an object instance, use GetType. If you have a generic class type, use is. If you have a generic struct type, use typeof(T). If you are unsure if generic type is ...
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Need some clarification about beta/alpha testing on the developer console

...etween Alpha and Beta? There isn't much difference between the two aside from the fact that you just start with a small number of testers for alpha testing and switch to a bigger group for beta 2.Only the production stage is available for people on the play store, right? By default, only pro...
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Is R's apply family more than syntactic sugar?

...on. set.seed(1) #for reproducability of the results # The data - copied from Joris Meys answer X <- rnorm(100000) Y <- as.factor(sample(letters[1:5],100000,replace=T)) Z <- as.factor(sample(letters[1:10],100000,replace=T)) # an R way to generate tapply functionality that is fast and # ...
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Adding gif image in an ImageView in android

...byte[] pixels; protected Vector<GifFrame> frames; // frames read from current file protected int frameCount; private static class GifFrame { public GifFrame(Bitmap im, int del) { image = im; delay = del; } ...
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Override Java System.currentTimeMillis for testing time sensitive code

...Utils.setCurrentMillisFixed(millis); //or set the clock to be a difference from system time DateTimeUtils.setCurrentMillisOffset(millis); //Reset to system time DateTimeUtils.setCurrentMillisSystem(); If you want import a library that has an interface (see Jon's comment below), you could just use ...
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Very simple log4j2 XML configuration file using Console and File appender

...lexible configuration comes in handy when you're trying to separate config from build and put config into a repository elsewhere. Unfortunately, the complexities are making it a bit annoying, but just thought I would throw out a benefit to the flexible options for configuration. ...