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Elegant way to invert a map in Scala
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@dev-null I'm sorry, but your example does not fall under the required assumption.
– Daniel C. Sobral
May 2 '19 at 17:01
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Concurrent vs serial queues in GCD
...ou wouldn't use either of the last two for long running processes. You normally see it when you're trying to update the UI (always on the main thread) from something that may be running on another thread.
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Deciding between HttpClient and WebClient
Our web app is running in .Net Framework 4.0. The UI calls controller methods through ajax calls.
7 Answers
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Kill child process when parent process is killed
...plication dies, you are still left with child processes running. What we really want is for the child processes to die as soon as the main process dies.
The solution is to use "job objects" http://msdn.microsoft.com/en-us/library/ms682409(VS.85).aspx.
The idea is to create a "job object" for your ...
内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...配内存，自己根据程序特性来维护内存，但是会大大增加开发成本。
本文主要介绍了glibc malloc的实现，及其替代品
一个优秀的通用内存分配器应具有以下特性:
额外的空间损耗尽量少
分配速度尽可能快
尽量避免内存碎片...
ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...明、严格的测试以及微软官方的 技术支持。另外在用ATL开发COM组件的时候，更可以方便地利用正则库的巨大威力。
由于本人学识所限，文章内容错在所难免，如有批评指正之词，请mail ：firingme@sina.com
ATL 正则表达式
Resetting generator object in Python
I have a generator object returned by multiple yield. Preparation to call this generator is rather time-consuming operation. That is why I want to reuse the generator several times.
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Python unittest - opposite of assertRaises?
...the correct solution in fact. The solution proposed by user9876 is conceptually flawed: if you test for the non-raising of say ValueError, but ValueError is instead raised, your test must exit with a failure condition, not an error one. On the other hand, if in running the same code you would raise ...
How would you count occurrences of a string (actually a char) within a string?
...nsion methods on the string class. I guess they figured devs wouldn't want all those extension methods to show up on the string class. Probably a wise decision.
– Judah Gabriel Himango
Feb 15 '09 at 23:27
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String comparison in Python: is vs. == [duplicate]
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For all built-in Python objects (like
strings, lists, dicts, functions,
etc.), if x is y, then x==y is also
True.
Not always. NaN is a counterexample. But usually, identity (is) implies equality (==). The converse is n...