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while (1) Vs. for (;;) Is there a speed difference?
...ase, but chances are the code inside of the loop is going to be a few thousand times more expensive than the loop itself anyway, so who cares?
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How to create an infinite loop in Windows batch file?
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And from cmd prompt?
– theonlygusti
Mar 13 '15 at 16:11
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Which characters need to be escaped when using Bash?
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There are two easy and safe rules which work not only in sh but also bash.
1. Put the whole string in single quotes
This works for all chars except single quote itself. To escape the single quote, close the quoting before it, insert the singl...
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...ML、PNG、OpenOffice、Word、PDF等格式的文件。
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Is volatile expensive?
...LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad and LoadStore are effectively no-ops on X86 CPUs. Does this mean that volatile read operations can be done without a explicit cache invalidation on x86, and is as fast as a normal variable read (disregarding the reordering co...
Is there a “standard” format for command line/shell help text?
If not, is there a de facto standard? Basically I'm writing a command line help text like so:
8 Answers
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How do I measure separate CPU core usage for a process?
...es shown by having that specific process run under a specific user account and use Type 'u' to limit to that user
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base64 encoded images in email signatures
...d by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received).
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Set the value of a variable with the result of a command in a Windows batch file
... Bash environment, to set the value of a variable as the result of a command, I usually do:
5 Answers
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Node package ( Grunt ) installed but not available
... using grunt , but after running npm install I still can't run the command according to the readme file . It just gives No command 'grunt' found :
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