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postgresql - replace all instances of a string within text field
In postgresql, how do I replace all instances of a string within a database column?
4 Answers
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Mockito verify order / sequence of method calls
Is there a way to verify if a methodOne is called before methodTwo in Mockito?
4 Answers
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Rails: Using build with a has_one association in rails
In this example, I create a user with no profile , then later on create a profile for that user. I tried using build with a has_one association but that blew up. The only way I see this working is using has_many . The user is supposed to only have at most one profile .
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How do I get out of a screen without typing 'exit'?
I screen -r 'd into a django server that's running and I can't simply Ctrl-C and exit out of it.
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R - Concatenate two dataframes?
Given two dataframes a and b :
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Ruby on Rails console is hanging when loading
For whatever reason, the Ruby on Rails console refuses to start; it just hangs. I haven't made any changes to my code, and other projects using the same version of Ruby and Ruby on Rails have no issue. When I finally Ctrl + C I get this stack trace, which points to Spring.
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Can you 'exit' a loop in PHP?
I have a loop that is doing some error checking in my PHP code. Originally it looked something like this...
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How to compare strings ignoring the case
I want apple and Apple comparison to be true .
Currently
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Unstage a deleted file in git
Usually, to discard changes to a file you would do:
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