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How do I unload (reload) a Python module?
... edited Feb 13 '14 at 22:41
Honest Abe
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answered Jan 28 '09 at 14:03
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E11000 duplicate key error index in mongodb mongoose
... this document. Because of the unique constraint, MongoDB will only permit one document that lacks the indexed field. If there is more than one document without a value for the indexed field or is missing the indexed field, the index build will fail with a duplicate key error.
You can combine the un...
How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
...lways' (since 1979, if not earlier) supported the -o option which can list one of the input files. However, that is in part because sort must read all its input before it can write any of its output. Other programs sporadically support overwriting one of their input files. You can find a general p...
Difference between EXISTS and IN in SQL?
...elect count(*) from [table] where ...
--this statement is true as soon as one match is found
exists ( select * from [table] where ... )
This is most useful where you have if conditional statements, as exists can be a lot quicker than count.
The in is best used where you have a static list to pas...
Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
...e/path, and then apply a rule that says that .. should remove the path component before it (file.rb in this case), returning /absolute/path/to/relative/path.
Is this best practice? Depends on what you mean by that, but it seems like it's all over the Rails code base, so I'd say it's at least a comm...
How do you produce a .d.ts “typings” definition file from an existing JavaScript library?
... if that's the case before trying to write your own.
Maybe You Don't Need One
TypeScript now supports the --allowJs flag and will make more JS-based inferences in .js files. You can try including the .js file in your compilation along with the --allowJs setting to see if this gives you good enough...
Which exception should I raise on bad/illegal argument combinations in Python?
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I'm not sure that argument holds: if someone is calling math.sqrt(-1), that's a programming error that needs to be fixed anyway. ValueError is not intended to be caught in normal program execution or it would derive from RuntimeError.
– ereOn
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Slow Requests on Local Flask Server
...my Mac's operations, I wonder whether it is referring to this line (or the one that simply locates localhost to 127.0.0.1
– David B.
Oct 7 '16 at 21:47
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Twitter bootstrap modal-backdrop doesn't disappear
...ok like the backdrop has been left behind, when actually you're looking at one of the duplicates.
In my case, I was attempting to create the modal content on-the-fly with some code like this:
myModal = $('<div class="modal">...lots of HTML content here...</div><!-- end modal -->'...
Constructors in Go
... value of your type is usable or not (in which case it has to be set up by one of the New... functions. (For the "traditionalist" oops: Someone who does not read the documentation won't be able to use your types properly, even if he cannot create objects in undefined states.)
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