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How to move a model between two Django apps (Django 1.7)
... there, now remove the existence of app1.YourModel from your migrations. Meaning: comment out the CreateModel statements, and every adjustment or datamigration you used after that.
And of course, every reference to app1.YourModel has to be changed to app2.YourModel through your project. Also, don't ...
What is the most frequent concurrency issue you've encountered in Java? [closed]
This is a poll of sorts about common concurrency problems in Java. An example might be the classic deadlock or race condition or perhaps EDT threading bugs in Swing. I'm interested both in a breadth of possible issues but also in what issues are most common. So, please leave one specific answer o...
Why does datetime.datetime.utcnow() not contain timezone information?
Why does this datetime not have any timezone info given that it is explicitly a UTC datetime ?
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Using Regex to generate Strings rather than match them
...nents have their own implementation of a Node subclass. These Nodes are organised into a tree.
By producing a visitor that traverses this tree, you should be able to call an overloaded generator method or some kind of Builder that cobbles something together.
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Check if database exists in PostgreSQL using shell
I was wondering if anyone would be able to tell me about whether it is possible to use shell to check if a PostgreSQL database exists?
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Are Mutexes needed in javascript?
I have seen this link: Implementing Mutual Exclusion in JavaScript .
On the other hand, I have read that there are no threads in javascript, but what exactly does that mean?
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How to “comment-out” (add comment) in a batch/cmd?
I have a batch file that runs several python scripts that do table modifications.
10 Answers
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How to calculate an angle from three points? [closed]
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Ah magnitude of the vector
– Daniel Little
Mar 16 '15 at 1:04
Check the atan2 solution.
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How do I remove the “extended attributes” on a file in Mac OS X?
I have an AppleScript script that runs a stress test. Part of the test is to open, save, and close certain files. Somehow, the files have picked up some "extended attributes" that prohibit the files from being saved. That causes the stress test to fail.
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Difference between new and override
Wondering what the difference is between the following:
14 Answers
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