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What does “#define _GNU_SOURCE” imply?
...nux extension functions
access to traditional functions which were omitted from the POSIX standard (often for good reason, such as being replaced with better alternatives, or being tied to particular legacy implementations)
access to low-level functions that cannot be portable, but that you sometime...
How to delete images from a private docker registry?
... private docker registry, and I want to delete all images but the latest from a repository. I don't want to delete the entire repository, just some of the images inside it. The API docs don't mention a way to do this, but surely it's possible?
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How to obtain the number of CPUs/cores in Linux from the command line?
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@CiroSantilli六四事件法轮功纳米比亚威视 From github.com/gstrauss/plasma/blob/master/plasma_sysconf.c it looks like I was wrong: it's only optional. "sysconf _SC_NPROCESSORS_ONLN and _SC_NPROCESSORS_CONF are not required by standards, but are provided on numerous un...
A semantics for Bash scripts?
...rd splitting) and C (much of the shell's arithmetic syntax semantics comes from C).
The other root of the shell's syntax comes from its upbringing as a mishmash of individual UNIX utilities. Most of what are often builtins in the shell can actually be implemented as external commands. It throws man...
JavaScript: What are .extend and .prototype used for?
...nction that copies the prototype of a new subclass that you want to extend from the base class.
So you can do something like:
extend( Fighter, Human )
And the Fighter constructor/object will inherit the prototype of Human, so if you define methods such as live and die on Human then Fighter will ...
Android Webview - Webpage should fit the device screen
...onstant that I knew beforehand, since I was just displaying a single image from the assets folder. As I said above, I don't know how you can get the width of the actual webpage.
– danh32
Feb 8 '12 at 14:43
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How to find list intersection?
...tackoverflow.com/q/3697432/4014959
Written by PM 2Ring 2015.10.16
'''
from __future__ import print_function, division
from timeit import Timer
setup = 'from __main__ import a, b'
cmd_lista = '[u for u in a if u in b]'
cmd_listb = '[u for u in b if u in a]'
cmd_lcsa = 'sa=set(a);[u for u in b ...
Maven: best way of linking custom external JAR to my project?
...ur local repository with the library jars then you should change the scope from system to compile.
If you are starting with maven I suggest to use maven directly not IDE plugins as it adds an extra layer of complexity.
As for the error, do you put the required jars on your classpath? If you are us...
Change File Extension Using C#
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@Alex I am not moving a file, i get file path from broswer like c:\..\..\a.jpg, and the file format on physical path is a.Jpeg, so when i try to delete it, it gives me error cannot find the file on specified path. so i am thinking it has some to do with the file extensio...
How to serve an image using nodejs
...ow to serve images using Node.js" is not implementing a static file server from scratch and doing it badly. A good answer is using a module like Express that does the job correctly.
Answering comments that say that using Express "doesn't explain much other than how to rely on someone else to get th...