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Is “inline” without “static” or “extern” ever useful in C99?
...e should contain the (externally visible) generated code.
[update, to elaborate]
I do not think there is any use for "inline" (without "static" or "extern") in a .c file. But in a header file it makes sense, and it requires a corresponding "extern inline" declaration in some .c file to actually g...
Convert a String representation of a Dictionary to a dictionary?
... in Python 2.6 you can use the built-in ast.literal_eval:
>>> import ast
>>> ast.literal_eval("{'muffin' : 'lolz', 'foo' : 'kitty'}")
{'muffin': 'lolz', 'foo': 'kitty'}
This is safer than using eval. As its own docs say:
>>> help(ast.literal_eval)
Help on function li...
How to check whether a pandas DataFrame is empty?
...
You can use the attribute df.empty to check whether it's empty or not:
if df.empty:
print('DataFrame is empty!')
Source: Pandas Documentation
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In Matlab, when is it optimal to use bsxfun?
...long which the size of the array is 1, so that they match the size of the corresponding dimension of the other array. This is what is called "singleton expasion". As an aside, the singleton dimensions are the ones that will be dropped if you call squeeze.
It is possible that for very small problems...
How can I update the current line in a C# Windows Console App?
...t possible to write to the console without having to extend a current line or go to a new line? For example, if I want to show a percentage representing how close a process is to completion, I'd just like to update the value on the same line as the cursor, and not have to put each percentage on a n...
So, JSONP or CORS? [closed]
...f you need a read-only ajax interface to your servers and you need to support IE<=9, Opera<12, or Firefox<3.5 or various other older or obscure browsers, CORS is out, use JSONP. IE8 and IE9 sorta support CORS but have problems, see the link in the first comment below.
On the other hand, i...
Getting the index of the returned max or min item using max()/min() on a list
I'm using Python's max and min functions on lists for a minimax algorithm, and I need the index of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value.
...
How to parse the AndroidManifest.xml file inside an .apk package
This file appears to be in a binary XML format. What is this format and how can it be parsed programmatically (as opposed to using the aapt dump tool in the SDK)?
...
What are carriage return, linefeed, and form feed?
...out advancing downward. The name comes from a printer's carriage, as monitors were rare when the name was coined. This is commonly escaped as \r, abbreviated CR, and has ASCII value 13 or 0x0D.
Linefeed means to advance downward to the next line; however, it has been repurposed and renamed. Used...
How are virtual functions and vtable implemented?
...ver a program has a virtual function declared, a v - table is constructed for the class. The v-table consists of addresses to the virtual functions for classes that contain one or more virtual functions. The object of the class containing the virtual function contains a virtual pointer that points t...