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How can I wait In Node.js (JavaScript)? l need to pause for a period of time
I'm developing a console script for personal needs. I need to be able to pause for an extended amount of time, but, from my research, Node.js has no way to stop as required. It’s getting hard to read users’ information after a period of time... I’ve seen some code out there, but I believe they...
How to fix PCH error?
... If this is your case you can find that folder in the Xcode build transcript. I looked for the string "SharedPrecompiledHeaders"
– José Manuel Sánchez
Apr 19 '13 at 13:13
6
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JavaScript equivalent of PHP's in_array()
Is there a way in JavaScript to compare values from one array and see if it is in another array?
20 Answers
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bash: shortest way to get n-th column of output
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Because you seem to be unfamiliar with scripts, here is an example.
#!/bin/sh
# usage: svn st | x 2 | xargs rm
col=$1
shift
awk -v col="$col" '{print $col}' "${@--}"
If you save this in ~/bin/x and make sure ~/bin is in your PATH (now that is something you can ...
How to delete duplicate lines in a file without sorting it in Unix?
...ne if the file has an even number of lines.
To convert scripts which used the former behavior of N (deleting
the pattern space upon reaching the EOF) to scripts compatible with
all versions of sed, change a lone "N;" to "$d;N;".
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Looping through a hash, or using an array in PowerShell
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Shorthand is not preferred for scripts; it is less readable. The %{} operator is considered shorthand. Here's how it should be done in a script for readability and reusability:
Variable Setup
PS> $hash = @{
a = 1
b = 2
c = 3
}
PS> $hash...
rvm installation not working: “RVM is not a function”
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You need to run the following
$ source ~/.rvm/scripts/rvm
then run this
$ type rvm | head -n 1
and if you get
rvm is a function
the problem is solved.
You also need to run user$ rvm requirements to see dependency requirements for your operating system
Source: h...
Remove the last line from a file in Bash
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Here is a simple bash script that automates it in case you have multiple files with different number of lines at the bottom to delete: cat TAILfixer FILE=$1; TAIL=$2; head -n -${TAIL} ${FILE} > temp ; mv temp ${FILE} Run it for deleting 4 lines...
Capture screenshot of active window?
.../questions/701798/…) and this (social.msdn.microsoft.com/Forums/en/netfxjscript/thread/…), hope this helps
– Arsen Mkrtchyan
Feb 2 '12 at 8:45
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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
Because of the Twitter API 1.0 retirement as of June 11th 2013 , the script below does not work anymore.
14 Answers
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