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C++ project organisation (with gtest, cmake and doxygen)
...rs are the
basis for users to interact with what you offer and must be
installed. This means they have to be in a subdirectory (no-one wants
lots of headers ending up in top-level /usr/include/) and your
headers must be able to include themselves with such a setup.
└── prj
├── inclu...
Remove characters except digits from string using Python?
How can I remove all characters except numbers from string?
15 Answers
15
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Working with $scope.$emit and $scope.$on
...
First of all, parent-child scope relation does matter. You have two possibilities to emit some event:
$broadcast -- dispatches the event downwards to all child scopes,
$emit -- dispatches the event upwards through the scope hierarch...
Strip all non-numeric characters from string in JavaScript
Consider a non-DOM scenario where you'd want to remove all non-numeric characters from a string using JavaScript/ECMAScript. Any characters that are in range 0 - 9 should be kept.
...
Making Maven run all tests, even when some fail
I have a project with several modules. When all tests pass, Maven test runs them all.
5 Answers
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How do I perform the SQL Join equivalent in MongoDB?
...rect. The new $lookup operator added to the aggregation pipeline is essentially identical to a left outer join:
https://docs.mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
{
from: <collection to join>,
localField: <...
How to generate all permutations of a list?
How do you generate all the permutations of a list in Python, independently of the type of elements in that list?
33 Answer...
How to create the most compact mapping n → isprime(n) up to a limit N?
Naturally, for bool isprime(number) there would be a data structure I could query.
I define the best algorithm , to be the algorithm that produces a data structure with lowest memory consumption for the range (1, N], where N is a constant.
Just an example of what I am looking for: I could rep...
Remove sensitive files and their commits from Git history
...
For all practical purposes, the first thing you should be worried about is CHANGING YOUR PASSWORDS! It's not clear from your question whether your git repository is entirely local or whether you have a remote repository elsewhere...
C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
...om now.
The abstract machine in the C++98/C++03 specification is fundamentally single-threaded. So it is not possible to write multi-threaded C++ code that is "fully portable" with respect to the spec. The spec does not even say anything about the atomicity of memory loads and stores or the order...