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When should I use ugettext_lazy?
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Correct use of flush() in JPA/Hibernate
...ctions they are supposed to send to the database, often until you actually commit the transaction.
For example, you call em.persist(), Hibernate remembers it has to make a database INSERT, but does not actually execute the instruction until you commit the transaction. Afaik, this is mainly done for ...
Is there a command for formatting HTML in the Atom editor?
I would like to format my HTML with a command, as I do in Visual Studio, using Ctrl + K + D . Is this possible in Atom ? If not, are there other options?
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Check Whether a User Exists
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You can also check user by id command.
id -u name gives you the id of that user.
if the user doesn't exist, you got command return value ($?)1
And as other answers pointed out: if all you want is just to check if the user exists, use if with id directly, ...
How to make Regular expression into non-greedy?
...nce replacing it. I have no idea how it works though, because that doesn't compile in any regex engine i've tried ????
– Noctis
Feb 19 at 5:40
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What's the difference of ContentType and MimeType
...pe ? Am i being pitty and
grammar nazi?
The reason isn't only backward compatibility, and I'm afraid the usually excellent Django documentation is a bit hand-wavy about it. MIME (it's really worth reading at least the Wikipedia entry) has its origin in extending internet mail, and specifically S...
check if directory exists and delete in one command unix
...o check if a directory exists and delete if it does,in Unix using a single command? I have situation where I use ANT 'sshexec' task where I can run only a single command in the remote machine. And I need to check if directory exists and delete it...
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Print array elements on separate lines in Bash?
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What are the two hyphens after the command for? I do not found any references to it in the manual.
– joanpau
Jul 15 '14 at 13:10
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How to clear gradle cache?
...droid Studio, and the first time I boot it up, it takes like 45 MINUTES to compile... If I don't quit the application, it is okay - each subsequent compilation/running the app will take around 45 seconds.
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how to get program files x86 env variable?
...ould like to know how I can display the location of Program Files (x86) in command prompt. I'm using Windows 7 64bit.
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