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git: switch branch without detaching head
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115
# first time: make origin/branchname locally available as localname
git checkout -b localname ...
How to get the original value of an attribute in Rails
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Before rails 5.1
Appending _was to your attribute will give you the previous value.
For rails 5.1+
Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now ...
IList vs IEnumerable for Collections on Entities
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183
IEnumerable<T> represents a series of items that you can iterate over (using foreach, fo...
`Apache` `localhost/~username/` not working
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190
Looks like you need to uncomment the following:
#LoadModule userdir_module libexec/apache2/mo...
What is the official “preferred” way to install pip and virtualenv systemwide?
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16 Answers
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What is the easiest way to ignore a JPA field during persistence?
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edited Dec 20 '13 at 7:14
Andrey Atapin
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Android: How can I pass parameters to AsyncTask's onPreExecute()?
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answered Jun 19 '10 at 20:05
FelixFelix
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Java: possible to line break in a properties file?
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184
A backslash at the end of a line lets you break across multiple lines, and whitespace that sta...
How do I create a comma-separated list from an array in PHP?
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12 Answers
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How can I make git show a list of the files that are being tracked?
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answered Mar 25 '13 at 3:09
TuxdudeTuxdude
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