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Single Line Nested For Loops
...ertools.product, which returns an iterable yielding tuples of values from all the iterables you pass it. That is, itertools.product(A, B) yields all values of the form (a, b), where the a values come from A and the b values come from B. For example:
import itertools
A = [50, 60, 70]
B = [0.1, 0.2...
Resolve build errors due to circular dependency amongst classes
...ember that the .cc and not the .h is the unit of compilation), you need to allocate space for object A. So, well, how much space then? Enough to store B! What's the size of B then? Enough to store A! Oops.
Clearly a circular reference that you must break.
You can break it by allowing the compiler ...
The tilde operator in Python
...a unary operator (taking a single argument) that is borrowed from C, where all data types are just different ways of interpreting bytes. It is the "invert" or "complement" operation, in which all the bits of the input data are reversed.
In Python, for integers, the bits of the twos-complement repr...
Moq mock method with out specifying input parameter
...le parameter? Is it possible to just say "Anything where the types fit for all parameters"?
– Brandon
Mar 2 '16 at 19:13
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Difference between java.io.PrintWriter and java.io.BufferedWriter?
...e writing to the file.
There is no such concept as a "PrintReader"; the closest you will get is probably java.util.Scanner.
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Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
...convention interacts badly with case-insensitive file systems (Windows, macOS, for example). When you had COLARR.C, the system was probably looking at it as a C++ source file; as colarr.c, it is a C source file.
– Jonathan Leffler
Dec 9 '16 at 18:13
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How do you clear a slice in Go?
...
It all depends on what is your definition of 'clear'. One of the valid ones certainly is:
slice = slice[:0]
But there's a catch. If slice elements are of type T:
var slice []T
then enforcing len(slice) to be zero, by the a...
How to implement an ordered, default dict? [duplicate]
...deredDict() and defaultdict() from collections in one object, which shall be an ordered, default dict .
Is this possible?
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Recommendations of Python REST (web services) framework? [closed]
...portant in REST, and unless you're very careful about this, you'll end up falling into a REST anti-pattern.
Some frameworks that get it right are web.py, Flask and Bottle. When combined with the mimerender library (full disclosure: I wrote it), they allow you to write nice RESTful webservices:
imp...
Using smart pointers for class members
...seems like everybody recommends using unique_ptr as the way to go almost all the time. But how would I implement something like this:
...