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Validating parameters to a Bash script
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#!/bin/sh
die () {
echo >&2 "$@"
exit 1
}
[ "$#" -eq 1 ] || die "1 argument required, $# provided"
echo $1 | grep -E -q '^[0-9]+$' || die "Numeric argument required, $1 provided"
while read dir
do
[ -d "$dir" ] || die "Directory $dir does n...
Convert Base64 string to an image file? [duplicate]
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265
The problem is that data:image/png;base64, is included in the encoded contents. This will resu...
How to download a file with Node.js (without using third-party libraries)?
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27 Answers
27
Active
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Spring RestTemplate - how to enable full debugging/logging of requests/responses?
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27 Answers
27
Active
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Does bit-shift depend on endianness?
Suppose I have the number 'numb'=1025 [00000000 00000000 00000100 00000001] represented:
5 Answers
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How to increment a pointer address and pointer's value?
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edited Mar 12 '18 at 15:52
Zaid Khan
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a...
Why is System.Web.Mvc not listed in Add References?
Using C#, Visual Studio 2010.
14 Answers
14
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In PyCharm, how to go back to last location?
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awesoonawesoon
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Android Studio Multi-Windows for One Project
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245
Right click on tab of the file and click "Split vertical / Horizontal"
After splitting, you...