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Specify an SSH key for git push for a given domain
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One Unix based systems (Linux, BSD, Mac OS X), the default identity is stored in the directory $HOME/.ssh, in 2 files:
private key: $HOME/.ssh/id_rsa
public key: $HOME/.ssh/id_rsa.pub
When you use ssh without option -i, it uses the...
Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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If you need the full models, try the following (based on @newUserNameHere's answer).
User.where(email: User.select(:email).group(:email).having("count(*) > 1").select(:email))
This will return the rows where the email address of the row is not unique.
I'm not aware ...
How do I connect to a MySQL Database in Python?
How do I connect to a MySQL database using a python program?
23 Answers
23
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Algorithm to generate a crossword
...h a better result.
At the end of generating a crossword, give it a score based on how many of the words were placed (the more the better), how large the board is (the smaller the better), and the ratio between height and width (the closer to 1 the better). Generate a number of crosswords and then ...
Do event handlers stop garbage collection from occurring?
...rticular, the target): it depends whether MyFunction is static or instance-based.
A delegate (such as an event subscription) to an instance method includes a reference to the instance. So yes, an event subscription will prevent GC. However, as soon as the object publishing the event (pClass above) ...
Git: how to reverse-merge a commit?
...esults of git show relate to parent numbers. Is the "order they appear" 1-based? 0-based? In this example specifically, what is the SHA1 of parent 1? e4c54b3 or 4725ad2?
– cowlinator
Dec 5 '17 at 20:33
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Java current machine name and logged in user?
...e faked. Method you were using is good, there are similar methods for unix based OS as well
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How can I create an executable JAR with dependencies using Maven?
...t;/manifest> </archive>
– Rade_303
Nov 16 '11 at 14:40
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Plurality in user messages
...ing that the information has to be determined per language, so any systems based on message files has to deal with varying amounts of plurality in a set of messages. Ouch! Setting up the translations would be tricky too - different numbers of messages are needed for different languages.
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When applying a patch is there any way to resolve conflicts?
... get "No files need merging" from git mergetool. Instead I had to find the base commit the original patch used, apply on top of that (luckily my repo had this) and then rebase.
– jozxyqk
Sep 11 '18 at 19:01
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