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Git push to wrong branch
...anch.
git checkout wrong_branch
git revert commitsha1
git revert commitsha2
git checkout right_branch
git cherry-pick commitsha1
git cherry-pick commitsha2
If the commits are grouped together and there are no commits pushed after your dirty commits, you can even use git reset to get that wrong br...
MongoDB: update every document on one field
...ocument. In the Mongo shell, or with any MongoDB client:
$version >= 3.2:
db.foo.updateMany( {}, <update> )
{} is the condition (the empty condition matches any document)
3.2 > $version >= 2.2:
db.foo.update( {}, <update>, { multi: true } )
{} is the condition (the em...
Making a UITableView scroll when text field is selected
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How to get the original value of an attribute in Rails
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243
Before rails 5.1
Appending _was to your attribute will give you the previous value.
For rail...
Undo a Git merge that hasn't been pushed yet
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32 Answers
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How I can delete in VIM all text from current line to end of file?
...head hugefile > firstlines
(If you are on Windows you can use the Win32 port of head)
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What is the AppDelegate for and how do I know when to use it?
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256
I normally avoid the design approach implied by Andrew's use of the term "heart of your applic...
How to convert Linux cron jobs to “the Amazon way”?
...hole LAMP web application from dedicated machines to the cloud (Amazon EC2 machines). It's going great so far but the way we do crons is sub-optimal. I have a Amazon-specific question about how to best manage cron jobs in the cloud using "the Amazon way".
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How to force a Solution file (SLN) to be opened in Visual Studio 2013?
Trying to open a VS 2012 solution (SLN file) explicitly in VS 2013 succeeds. Simply double-clicking it in Windows Explorer still opens it in VS 2012 instead.
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CodeIgniter: Create new helper?
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edited Nov 25 '15 at 2:15
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