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File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希 ·...
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Ruby convert Object to Hash
... the Hash {name: "book", price: 15.95} in Ruby, not Rails (although feel free to give the Rails answer too)?
17 Answers
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LinkedBlockingQueue vs ConcurrentLinkedQueue
...s algorithm by Maged M. Michael and Michael L. Scott for non-blocking lock-free queues.
"Non-blocking" as a term here for a contended resource (our queue) means that regardless of what the platform's scheduler does, like interrupting a thread, or if the thread in question is simply too slow, other ...
Spinlock versus Semaphore
...presence of congestion
It is a common misconception that spinlocks or lock-free algorithms are "generally faster", or that they are only useful for "very short tasks" (ideally, no synchronization object should be held for longer than absolutely necessary, ever).
The one important difference is how t...
What does “exec sp_reset_connection” mean in Sql Server Profiler? [duplicate]
...l query
Waits for any outstanding I/O
operations that is outstanding
Frees any held buffers on the
server by the connection
Unlocks any buffer resources
that are used by the connection
Releases all allocated memory
owned by the connection
Clears any work or temporary
tables that ...
Failed to allocate memory: 8
...he same issue with this. I have 8GB of RAM on my machine, with 6GB sitting free while the Android emulator tells me that it can't allocate 1GB?
– Strozykowski
Nov 11 '11 at 1:38
5
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WSGI vs uWSGi with Nginx [closed]
... Using flup or gunicorn or uWSGI behind nginx is much better, because that frees up nginx to simply serve content, and lets you choose how many tiny light nginx threads to run, independently of your choice of how many heavyweight Python threads you bring up to serve dynamic content. People seem very...
When does a process get SIGABRT (signal 6)?
... for me in most cases SIGABRT was sent by libc trying to call free() on a non-initialized/corrupted pointer
– grandrew
Jan 17 '16 at 12:22
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Why not infer template parameter from constructor?
...plate type is the MyClass pm;
Not sure if what I said make sense but feel free to add some comment, that's an interesting question.
C++ 17
It is accepted that C++17 will have type deduction from constructor arguments.
Examples:
std::pair p(2, 4.5);
std::tuple t(4, 3, 2.5);
Accepted paper.
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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
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