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How do I make many-to-many field optional in Django?
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@omouse I think yes, blank is for django validation, and null for the database. In this kind of case (like for IntegerField) it makes no sense to put one without the other I think
– lajarre
Oct 26 '12 at 15:46
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jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
...ut I'd like to be able to use X("20em") for example and get back the true width in pixels.
– Lawrence I. Siden
May 20 '11 at 22:53
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Create a CSV File for a user in PHP
...blequotes around your fields, and don't forget to replace double-quotes inside fields to double double-quotes: `echo '"'.str_replace('"','""',$record1).'","'.str_replace....
– Mala
Jul 1 '10 at 21:21
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Is it bad practice to make a setter return “this”?
Is it a good or bad idea to make setters in java return "this"?
27 Answers
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What is the meaning of CTOR?
... answered Oct 27 '15 at 8:55
DeliDeli
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How to convert integer timestamp to Python datetime
...from the default behaviour of Python 2.x, which always returns int when dividing (using / operator) int by int (this is called floor division). By replacing the divisor 1000 (being an int) with the 1e3 divisor (being representation of 1000 as float) or with float(1000) (or 1000. etc.), the division ...
Why “no projects found to import”?
... If your sources and .class files are in the same directory, you probably didn't have a eclipse project.
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Fold / Collapse the except code section in sublime text 2
Is there any plugin or shortcut to hide all except code section in sublime text 2?
5 Answers
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What does the '.' (dot or period) in a Go import statement do?
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It allows the identifiers in the imported package to be referred to in the local file block without a qualifier.
If an explicit period (.) appears instead of a name, all the package's exported identifiers will be declared in the curren...
What is the meaning of “vnd” in MIME types?
Reading up on content providers, I keep wondering why both the category and type of Android MIME types are prefixed with vnd. For example:
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