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Prepend a level to a pandas MultiIndex
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Why does pylint object to single character variable names?
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PyLint checks not only PEP8 recommendations. It has also its own recommendations, one of which is that a variable name should be descriptive and not too short.
You can use this to avoid such short names:
my_list.extend(x_values)
Or tweak PyLint's conf...
How to prettyprint a JSON file?
...pt var str = JSON.stringify(obj, null, 4); as discussed here stackoverflow.com/questions/4810841/…
– Christophe Roussy
May 31 '16 at 13:17
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Pass correct “this” context to setTimeout callback?
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EDIT: In summary, back in 2010 when this question was asked the most common way to solve this problem was to save a reference to the context where the setTimeout function call is made, because setTimeout executes the function with this pointing to the global object:
var that = this;
if (this....
What components are MVC in JSF MVC framework?
...er client picture, the developer V is in turn dividable as below:
M - JSF component tree
V - Rendered HTML output
C - Client (webbrowser)
In the yet smaller JavaScript picture, the client V is in turn dividable as below:
M - HTML DOM tree
V - Visual presentation
C - Event listener functions (endu...
Manual deployment vs. Amazon Elastic Beanstalk
...d Azure among many others.
In a true PAAS system, the DBMS is a separate component from the web application server(s). The reason is obvious: The DBMS cannot be possibly installed on the instances that are being used for the application server because, as instances are created and destroyed based ...
npm command to uninstall or prune unused packages in Node.js
...e to remove modules not listed in package.json.
From npm help prune:
This command removes "extraneous" packages. If a package name is provided, then only packages matching one of the supplied names are removed.
Extraneous packages are packages that are not listed on the parent package's dependenci...
The purpose of Model View Projection Matrix
...rom world space to camera space, projection from camera to screen.
If you compose all three, you can use the one result to map all the way from object space to screen space, making you able to work out what you need to pass on to the next stage of a programmable pipeline from the incoming vertex po...
Some questions about Automatic Reference Counting in iOS5 SDK
...development started for iOS 4.2 and is now continuing (and I think will be completed) for iOS 4.3.
I just read about ARC in iOS 5, and basically I understood that we will never need to release and retain objects anymore. My questions are:
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Is it possible to figure out the parameter type and return type of a lambda?
...-th argument is equivalent to the i-th tuple element of a tuple
// composed of those arguments.
};
};
// test code below:
int main()
{
auto lambda = [](int i) { return long(i*10); };
typedef function_traits<decltype(lambda)> traits;
static_assert(std::is_same<long...