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How to get one value at a time from a generator function in Python?
...but not Python 3.x
In Python >= 2.6, use next(gen). This is a built in function, and is clearer. It will also work in Python 3.
Both of these end up calling a specially named function, next(), which can be overridden by subclassing. In Python 3, however, this function has been renamed to __next...
Show and hide a View with a slide up/down animation
... Notice that without .setVisibility(View.INVISIBLE); the slide up function won't work as visually expected.
– Advait S
Aug 3 '18 at 3:57
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Git 'fatal: Unable to write new index file'
...answered Mar 27 '15 at 15:36
gls123gls123
4,89922 gold badges2424 silver badges2626 bronze badges
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sphinx-build fail - autodoc can't import/find module
... traceback it seems clear that the modules are not in sys.path, so autodoc cn't find them. The .rst files are found.
– bmu
Jun 17 '12 at 7:55
add a comment
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What does “xmlns” in XML mean?
...lt;homecity>
<name>London</name>
<lat>123.000</lat>
<long>0.00</long>
</homecity>
</person>
If our two XMLs were combined into a single document, how would we tell the two names apart? As you can see above, there are tw...
How do I repeat an edit on multiple lines in Vim?
... to insert something on multiple lines, use Shift-i.
So for the text:
abc123abc
def456def
ghi789ghi
if you hit Ctrl-v with your cursor over the 1, hit j twice to go down two columns, then Shift-i,ESC , your text would look like this:
abc,123abc
def,456def
ghi,789ghi
(the multi-line insert has...
How to determine whether an object has a given property in JavaScript
...throw new Error("IllegalArgumentException");
}
alert("ok");
}
f({req1: 123}); // error
f({req1: 123, req2: 456}); // ok
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How to parse a string to an int in C++?
... problem: what if the caller needs to distinguish between bad input (e.g. "123foo") and a number that is out of the range of int (e.g. "4000000000" for 32-bit int)? With stringstream, there is no way to make this distinction. We only know whether the conversion succeeded or failed. If it fails, we h...
How can I pass a member function where a free function is expected?
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There isn't anything wrong with using function pointers. However, pointers to non-static member functions are not like normal function pointers: member functions need to be called on an object which is passed as an implicit argument to the function. The signature...
How to create a new database using SQLAlchemy?
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SQLAlchemy-Utils provides custom data types and various utility functions for SQLAlchemy. You ...