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How to add leading zeros for for-loop in shell? [duplicate]
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Use the following syntax:
$ for i in {01..05}; do echo "$i"; done
01
02
03
04
05
Disclaimer: Leading zeros only work in >=bash-4.
If you want to use printf, nothing prevents you from putting its result in a variable for further use:
$ foo=$(printf "%02d" 5)
$ echo "${foo}"
05
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Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
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edited Oct 15 '16 at 10:43
Arslan Ali
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answered ...
How can I use a local image as the base image with a dockerfile?
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answered Dec 10 '13 at 17:50
jpetazzojpetazzo
12.2k22 gold badges3737 silver badges4343 bronze badges
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request exceeds the configured maxQueryStringLength when using [Authorize]
I have a MVC3 site in C#, I have a particular view being fed query parameters from a JavaScript function, the function redirects to the site via
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req.query and req.param in ExpressJS
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edited Aug 30 '13 at 3:20
answered Aug 30 '13 at 2:55
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Pushing empty commits to remote
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83
You won't face any terrible consequence, just the history will look kind of confusing.
You coul...
Rails: Default sort order for a rails model?
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3 Answers
3
Active
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Convert RGBA PNG to RGB with PIL
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130
Here's a version that's much simpler - not sure how performant it is. Heavily based on some dja...
Transparent ARGB hex value
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Robert
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answered Apr 21 '14 at 16:21
theHackertheHacker
3,48011 gol...
Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...ble to remove some of these
inefficiencies. This is discussed in
§6.2.3 and §6.2.5.
Since the report was written in 2006 one would hope that many of the recommendations would have been incorporated into current compilers, but perhaps this is not the case.
As you mention, facets may not feat...