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Convert interface{} to int
I'm trying to get a value from a JSON and cast it to int but it doesn't work, and I don't know how to do it properly.
10 An...
How do I delete specific lines in Notepad++?
I'm cleaning up some code files (C#) and want to remove the regions. And I would like to delete all the lines that have the string '#region'. That's just an example, and I can think of several more uses, but is that even possible?
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Get current time in seconds since the Epoch on Linux, Bash
I need something simple like date , but in seconds since 1970 instead of the current date, hours, minutes, and seconds.
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How to determine if binary tree is balanced?
...u've done it efficiently, but it does not handle medium or large size data sets.
– Eric Leschinski
May 3 '15 at 20:35
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How do I remove the “extended attributes” on a file in Mac OS X?
I have an AppleScript script that runs a stress test. Part of the test is to open, save, and close certain files. Somehow, the files have picked up some "extended attributes" that prohibit the files from being saved. That causes the stress test to fail.
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Root user/sudo equivalent in Cygwin?
...not work for me on Win7 but this answer worked like a charm. I was able to set up exim-config with elevated privs and then vim-edit the /etc/exim.conf file afterwards. Slick.
– nanker
Feb 6 '18 at 15:10
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How to reverse a string in Go?
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In Go1 rune is a builtin type.
func Reverse(s string) string {
runes := []rune(s)
for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 {
runes[i], runes[j] = runes[j], runes[i]
}
return string(runes)
}
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SVN repository backup strategies
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I use svnsync, which sets up a remote server as a mirror/slave. We had a server go down two weeks ago, and I was able to switch the slave into primary position quite easily (only had to reset the UUID on the slave repository to the original).
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Function pointers, Closures, and Lambda
...et a pointer to a trampoline, a dynamically constructed piece of code that sets up the static link pointer and then calls the real function, which uses the static link pointer to access the variables of the outer function.
The upwards funargs problem is more difficult. GCC does not prevent you from...
Psql list all tables
...-in way to say "all tables in all user-defined schemas"; you can, however, set your search_path to a list of all schemas of interest before running \dt.
You may want to do this programmatically, in which case psql backslash-commands won't do the job. This is where the INFORMATION_SCHEMA comes to th...