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Django - how to create a file and save it to a model's FileField?
Here's my model. What I want to do is generate a new file and overwrite the existing one whenever a model instance is saved:
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How do I parse an ISO 8601-formatted date?
I need to parse RFC 3339 strings like "2008-09-03T20:56:35.450686Z" into Python's datetime type.
27 Answers
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Update Git branches from master
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You have two options:
The first is a merge, but this creates an extra commit for the merge.
Checkout each branch:
git checkout b1
Then merge:
git merge origin/master
Then push:
git push origin b1
Alternatively, you can do a rebase:
git fet...
How to write header row with csv.DictWriter?
...ssume I have a csv.DictReader object and I want to write it out as a CSV file. How can I do this?
3 Answers
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Controlling number of decimal digits in print output in R
There is an option in R to get control over digit display. For example:
3 Answers
3
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Is there a way to perform “if” in python's lambda
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The syntax you're looking for:
lambda x: True if x % 2 == 0 else False
But you can't use print or raise in a lambda.
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What's the dSYM and how to use it? (iOS SDK)
Sometimes the compiler produces .dSYM files. I guess this is a debugging related file, but I don't know what it is, and how to use it.
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Calling shell functions with xargs
I am trying to use xargs to call a more complex function in parallel.
5 Answers
5
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Fancybox doesn't work with jQuery v1.9.0 [ f.browser is undefined / Cannot read property 'msie' ]
Fancybox breaks with the new jQuery v1.9.0.
4 Answers
4
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How can I get a file's size in C? [duplicate]
How can I find out the size of a file I opened with an application written in C ?
I would like to know the size, because I want to put the content of the loaded file into a string, which I allocate using malloc() . Just writing malloc(10000*sizeof(char)); is IMHO a bad idea.
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