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Appropriate hashbang for Node.js scripts
...t Radio Node program), then you can use this "two-line shebang" taken from Unix & Linux Stack Exchange:
#!/bin/sh
':' //; exec "$(command -v nodejs || command -v node)" "$0" "$@"
console.log('Hello world!');
but do you really need to do this when almost nobody else in the Node world is?
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Difference between modes a, a+, w, w+, and r+ in built-in open function?
...Be very careful to use binary mode when reading and writing such files. On Unix, it doesn’t hurt to append a 'b' to the mode, so you can use it platform-independently for all binary files.
This is directly quoted from Python Software Foundation 2.7.x.
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How to pass the -D System properties while testing on Eclipse?
I am developing on Eclipse on Windows and Code gets deployed on Unix. I am fetching the system property values using System.getProperty("key") ... How do I pass this in Eclipse so that I do not have to modify the code and it works on Eclipse for debugging?
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Determining Whether a Directory is Writeable
...f the issues, this may be a fine technique. I was looking at it from a too UNIX-y perspective, which is my mistake. Someone edit this answer so I can remove my -1.
– Mike S
Apr 12 '17 at 15:29
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How to prevent SIGPIPEs (or handle them properly)
I have a small server program that accepts connections on a TCP or local UNIX socket, reads a simple command and, depending on the command, sends a reply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and m...
How can I process each letter of text using Javascript?
...ormerly UCS-) in common. The third major platform that uses it is Windows. Unix, MacOS, and internet protocols use UTF-8. charAt is left over from the UCS-2 days when there were no surrogate pairs and to address the problem a new function, codepointAt was added to JavaScript that handles our friendl...
Return value in a Bash function
...nd all other functions return values via ret_val.
See also the following Unix & Linux question: Scope of Local Variables in Shell Functions.
Another, perhaps even better solution depending on situation, is the one posted by ya.teck which uses local -n.
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Can two applications listen to the same port?
... you have two TCP sockets in listening state at the same time, at least on Unix. It's meant to get around the TIME_WAIT state: unixguide.net/network/socketfaq/4.5.shtml . It might work on Windows, but you're not guaranteed that the request will reach the right server anyway).
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sometimes my file just freezes in my vi |vim, what happened?
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How to clone all repos at once from GitHub?
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On Windows and all UNIX/LINUX systems, using Git Bash or any other Terminal, replace YOURUSERNAME by your username and use:
CNTX={users|orgs}; NAME={username|orgname}; PAGE=1
curl "https://api.github.com/$CNTX/$NAME/repos?page=$PAGE&per_pag...