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Is gettimeofday() guaranteed to be of microsecond resolution?

I am porting a game, that was originally written for the Win32 API, to Linux (well, porting the OS X port of the Win32 port to Linux). ...
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How can I randomize the lines in a file using standard tools on Red Hat Linux?

...swer) and prevent processing of backslashes. Using a fixed-length random string will prevent cut from deleting leading whitespace. Result: cat yourfile.txt | while IFS= read -r f; do printf "%05d %s\n" "$RANDOM" "$f"; done | sort -n | cut -c7- – Richard Hansen ...
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Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP

...count, or then specify another valid SQL Server account in your connection string. Can you show us your connection string (by updating your original question)? UPDATE: Ok, you're using integrated Windows authentication --> you need to create a SQL Server login for "xyz\ASPNET" on your SQL Serve...
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CORS Access-Control-Allow-Headers wildcard being ignored?

... Support for wildcards in the Access-Control-Allow-Headers header was added to the living standard only in May 2016, so it may not be supported by all browsers. On browser which don't implement this yet, it must be an exact match: https://www.w3.org/TR/2014/REC-cors-201...
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How to convert an array into an object using stdClass() [duplicate]

..., 'varsta' => 25) ); If you want to see is this stdClass object just call this print_r($clasa); If you want to convert an array to object code will be $arr = array('a'=>'apple','b'=>'ball'); $arr = (object) $arr; You don't need to use stdClass. It will automatically converted to st...
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_DEBUG vs NDEBUG

... +1. NDEBUG in particular is allowed to be #undef'd and #define'd within a single TU (and reincluding <assert.h> changes the assert macro accordingly). Because this is different than expected/desired, it's common to use another macro to control a ...
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How to set environment variables in Jenkins?

...ajorVersion" | python -c 'import sys,re,os; print("VERSION_NUMBER="+re.findall(r"[\d+\.]+", sys.stdin.read())[0]+os.environ["BUILD_NUMBER"])' – kenny_k Jun 19 '15 at 6:52 ...
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What are the advantages of NumPy over regular Python lists?

... Python objects, at least 4 bytes per pointer plus 16 bytes for even the smallest Python object (4 for type pointer, 4 for reference count, 4 for value -- and the memory allocators rounds up to 16). A NumPy array is an array of uniform values -- single-precision numbers takes 4 bytes each, double-pr...
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Greenlet Vs. Threads

... Greenlets provide concurrency but not parallelism. Concurrency is when code can run independently of other code. Parallelism is the execution of concurrent code simultaneously. Parallelism is particularly useful when there's a lot of work to be done in userspace, an...
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Read-only and non-computed variable properties in Swift

...g in Objective-C. I have readonly properties, and they cannot be individually changed. However, using a specific method, the properties are changed in a logical way. ...