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How to replace strings containing slashes with sed?
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@MaxWaterman it's standard operating procedure when using sed that the regex command is put in double quotes. I didn't use them in my answer because I wasn't showing the whole sed command line but just the sed regex command string as the OP had ...
How do I get the current username in Windows PowerShell?
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A quick and dirty alternative would be $env:username to retrieve the user name from the corresponding environment variable.
– guillermooo
Jan 21 '10 at 0:25
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Convert JavaScript String to be all lower case?
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what is time and space complexity of toLowerCase() function?
– Ramzan Chasygov
Apr 4 '18 at 17:41
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Efficiently test if a port is open on Linux?
...mp;6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "N...
How do I programmatically change file permissions?
In Java, I'm dynamically creating a set of files and I'd like to change the file permissions on these files on a linux/unix file system. I'd like to be able to execute the Java equivalent of chmod . Is that possible Java 5? If so, how?
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How to log a method's execution time exactly in milliseconds?
...Since(methodStart)
print("Execution time: \(executionTime)")
Easy to use and has sub-millisecond precision.
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Disable double-tap “zoom” option in browser on touch devices
...tion does not appear to work in iOS Safari v12+. I will update this answer and delete this note once I find a clear solution that covers iOS Safari.
CSS-only solution
Add touch-action: manipulation to any element on which you want to disable double tap zoom, like with the following disable-dbl-tap-z...
Inline functions vs Preprocessor macros
...s in a function-like context, be advised that:
Macros are not type safe, and can be expanded regardless of whether they are syntatically correct - the compile phase will report errors resulting from macro expansion problems.
Macros can be used in context where you don't expect, resulting in proble...
UltiSnips and YouCompleteMe
I have bundles ultisnips and youcompleteme installed on my macvim.
The problem is that ultisnips doesn't work because tab is bound by ycm.
I tried putting let g:UltiSnipsExpandTrigger = "<s-tab>" so that I can trigger the snippet completion with shift-tab, but it doesn't work for some unknow...
demystify Flask app.secret_key
... a cryptographic hashing algorithm; only if you have the exact same secret and the original data can you recreate this value, letting Flask detect if anything has been altered without permission. Since the secret is never included with data Flask sends to the client, a client cannot tamper with sess...