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F# changes to OCaml [closed]
...NQ in F# and is also essential for promissing projects like the WebSharper platform)
Active patterns for creating abstractions for functional data types (and generally very useful feature for more complicated pattern matching applications)
Computation expressions which is a language feature behind a...
Wi-Fi 是什么的缩写 - 程序人生、谈天论地 - 清泛IT论坛，有思想、有深度
...中出镜的联盟创始人之一 Phil Belanger，提议去找品牌咨询公司 Interbrand 来协助完成命名工作。果然，Interbrand 不负众望地想出了 Wi-Fi 这个现在已家喻户晓的名字。根据 Interbrand 在官方博客中发表的博文来看，当时的确是借鉴了 hi-...
Learning to write a compiler [closed]
...into an intermediate representation, and the bottom half takes care of the platform specific code generation.
Nonetheless, one idea for an easy way to approach this topic (the one we used in my compilers class, at least) is to build the compiler in the two pieces described above. Specifically, you...
Is Meyers' implementation of the Singleton pattern thread safe?
...g method is basically the simplest way to ensure proper concurrency on all platforms, while most forms of double-checked locking pattern variants may suffer from race conditions on certain architectures, unless instructions are interleaved with strategically places memory barriers.
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Linux/Unix command to determine if process is running?
I need a platform independent (Linux/Unix|OSX) shell/bash command that will determine if a specific process is running. e.g. mysqld , httpd ...
What is the simplest way/command to do this?
...
Is gettimeofday() guaranteed to be of microsecond resolution?
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The TSC on Core and above Intel platforms is synchronized across multiple CPUs and increments at a constant frequency independent of power management states. See Intel Software Developer’s Manual, Vol. 3 Section 18.10. However the rate at which the counte...
Wi-Fi 是什么的缩写 - 创意 - 清泛网 - 专注C/C++及内核技术
...中出镜的联盟创始人之一 Phil Belanger，提议去找品牌咨询公司 Interbrand 来协助完成命名工作。果然，Interbrand 不负众望地想出了 Wi-Fi 这个现在已家喻户晓的名字。根据 Interbrand 在官方博客中发表的博文来看，当时的确是借鉴了 hi-...
How to write to a file in Scala?
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new java.io.PrintWriter() uses the platform default encoding, which probably means that the result file is not very portable. For example, if you want to produce a file that you can later send around by email, you should probably use the PrintWriter constructo...
What is time_t ultimately a typedef to?
...r is definitely implementation-specific. To find out definitively for your platform/compiler, just add this output somewhere in your code:
printf ("sizeof time_t is: %d\n", sizeof(time_t));
If the answer is 4 (32 bits) and your data is meant to go beyond 2038, then you have 25 years to migrate yo...
How does JavaFX compare to WPF? [closed]
... to JavaFX 2.0. This information will probably be subject to change as the platform is still fairly immature and is being actively developed.
Graphics
Like WPF, JavaFX uses a retained graphics rendering system. The user interface comprises a scene graph which is composed of 'nodes' which can be th...