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What does $$ mean in the shell?
...n a unique filename in a shell for temp files was to use a double dollar sign ( $$ ). This does produce a number that varies from time to time... but if you call it repeatedly, it returns the same number. (The solution is to just use the time.)
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Why does volatile exist?
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volatile is needed if you are reading from a spot in memory that, say, a completely separate process/device/whatever may write to.
I used to work with dual-port ram in a multiprocessor system in straight C. We used a hardware managed 16 bit value as a semaphor...
Why does Lua have no “continue” statement?
I have been dealing a lot with Lua in the past few months, and I really like most of the features but I'm still missing something among those:
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What vim plugins are available for Eclipse? [closed]
...und three and would like to know if there are others and what their advantages or disadvantages might be:
4 Answers
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Determine a string's encoding in C#
Is there any way to determine a string's encoding in C#?
9 Answers
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To underscore or to not to underscore, that is the question
Are there any problems with not prefixing private fields with an underscore in C# if the binary version is going to be consumed by other framework languages? For example since C# is case-sensitive you can call a field "foo" and the public property "Foo" and it works fine.
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Different floating point result with optimization enabled - compiler bug?
... on Visual Studio 2008 with and without optimization. But it only works on g++ without optimization (O0).
7 Answers
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Gson custom seralizer for one variable (of many) in an object using TypeAdapter
I've seen plenty of simple examples of using a custom TypeAdapter. The most helpful has been Class TypeAdapter<T> . But that hasn't answered my question yet.
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Calculate the execution time of a method
I have an I/O time-taking method which copies data from a location to another. What's the best and most real way of calculating the execution time? Thread ? Timer ? Stopwatch ? Any other solution? I want the most exact one, and briefest as much as possible.
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Converting an int to std::string
...t is the shortest way, preferably inline-able, to convert an int to a string? Answers using stl and boost will be welcomed.
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