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What does [:] mean?
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110
It is an example of slice notation, and what it does depends on the type of population. If po...
HMAC-SHA1 in bash
Is there a bash script to generate a HMAC-SHA1 hash?
4 Answers
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Use rvmrc or ruby-version file to set a project gemset with RVM?
...r with .ruby-version).
For example, if you have a simple .rvmrc:
rvm use 1.9.3@my-app
It can be transformed to .ruby-version:
1.9.3
And .ruby-gemset:
my-app
Be sure to remove the .rvmrc file as it takes precedence over any other project configuration files:
rm .rvmrc
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Get decimal portion of a number with JavaScript
I have float numbers like 3.2 and 1.6 .
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HTML 5 strange img always adds 3px margin at bottom [duplicate]
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11 Answers
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Efficiently updating database using SQLAlchemy ORM
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184
SQLAlchemy's ORM is meant to be used together with the SQL layer, not hide it. But you do have...
How do you run a command for each line of a file?
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137
Read a file line by line and execute commands: 4 answers
This is because there is not only 1 ...
How to run crontab job every week on Sunday
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10 Answers
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How to resolve symbolic links in a shell script
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19 Answers
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