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How to use enums as flags in C++?
...expression HasClaws | CanFly? This is not what enums are for. Use integers and constants.
– Lightness Races in Orbit
Mar 27 '15 at 17:49
27
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Difference between variable declaration syntaxes in Javascript (including global variables)?
...gh in practical terms they're not usually big ones.
There's a fourth way, and as of ES2015 (ES6) there's two more. I've added the fourth way at the end, but inserted the ES2015 ways after #1 (you'll see why), so we have:
var a = 0; // 1
let a = 0; // 1.1 (new with ES2015)
const a = 0; //...
PreparedStatement IN clause alternatives?
...
An analysis of the various options available, and the pros and cons of each is available here.
The suggested options are:
Prepare SELECT my_column FROM my_table WHERE search_column = ?, execute it for each value and UNION the results client-side. Requires only one pre...
How do RVM and rbenv actually work?
I am interested in how RVM and rbenv actually work.
5 Answers
5
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Installing specific package versions with pip
...re: http://pypi.python.org/pypi/MySQL-python/1.2.2
The download link 404s and the fallback URL links are re-directing infinitely due to sourceforge.net's recent upgrade and PyPI's stale URL.
So to properly install the driver, you can follow these steps:
pip uninstall MySQL_python
pip install -Iv ...
Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
What is the best practice if I want to require a relative file in Ruby and I want it to work in both 1.8.x and >=1.9.2?
...
AngularJS $http and $resource
...With $http you're going to be making GET, POST, DELETE type calls manually and processing the objects they return on your own.
$resource wraps $http for use in RESTful web API scenarios.
Speaking VERY generally: A RESTful web service will be a service with one endpoint for a data type that does...
How to get unique values in an array
...hat uses no libraries. This requires two new prototype functions, contains and unique
Array.prototype.contains = function(v) {
for (var i = 0; i < this.length; i++) {
if (this[i] === v) return true;
}
return false;
};
Array.prototype.unique = function() {
var arr = [];
...
How can I easily fixup a past commit?
...r in my original question. The script assumes that you staged some changes and then applies those changes to the given commit.
NOTE: This script is Windows-specific; it looks for git.exe and sets the GIT_EDITOR environment variable using set. Adjust this as needed for other operating systems.
Usin...
Git pre-push hooks
I would like to run a unit-tests before every git push and if tests fails, cancel the push, but I can't even find pre-push hook, there is pre-commit and pre-rebase only.
...