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PostgreSQL - Rename database
...ER DATABASE "databaseName" RENAME TO "databaseNameOld" it told me that it cannot.
6 Answers
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How to delete a record in Django models?
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Note that the first one will not call the .delete() method of the object, so if you have 'cleanup' code in that method it will not be called. Generally not an issue, but worth keeping in mind.
– Matthew Schinckel
Sep 28...
How can I remove a flag in C?
... @Dennis I thought XOR would work to remove an already set flag. notification.sound ^= Notification.DEFAULT_SOUND;
– likejudo
Apr 14 '14 at 9:56
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Making a Location object in Android with latitude and longitude values
I have a program in which latitude and longitude values of a location are stored in a database, which I download.
3 Answer...
Creating a new column based on if-elif-else condition
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Of course, this is not vectorized so performance may not be as good when scaled to a large number of records. Still, I think it is much more readable. Especially coming from a SAS background.
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What's a standard way to do a no-op in python?
...if / elif / else constructs in python, and I want to include options which can occur, but for which the corresponding action is to do nothing. I realise I could just exclude those if statements, but for readability I find it helps to include them all, so that if you are looking through the code you ...
Python non-greedy regexes
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Wildcard characters @Trevor Boyd Smith
– Serge
Feb 24 '17 at 9:32
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:after vs. ::after
...than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification?
2 Ans...
Rails migrations: self.up and self.down versus change
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For many operations rails can guess what is the inverse operation (without problems). For example, in your case what is the reverse operation of add_column to call when you rollback? Of course it's remove_column. What is the inverse of create_table? I...
Nginx not picking up site in sites-enabled?
...rch I have not figured out why this doesn't work! I am trying to move my localhost to my sites-enabled folder which is in /etc/nginx/sites-enabled/default.
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