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What is unit testing and how do you do it? [duplicate]
...to a series of tests.
Usually tests are run as separate programs, but the method of testing varies, depending on the language, and type of software (GUI, command-line, library).
Most languages have unit testing frameworks, you should look into one for yours.
Tests are usually run periodically, o...
Calculate the median of a billion numbers
...lion numbers and one hundred computers, what is the best way to locate the median of these numbers?
25 Answers
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How to use jQuery in chrome extension?
I am writing a chrome extension. And I want to use jQuery in my extension. I am not using any background page , just a background script .
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What do (lambda) function closures capture?
Recently I started playing around with Python and I came around something peculiar in the way closures work. Consider the following code:
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Why is whitespace sometimes needed around metacharacters?
...espaces, because I think it looks nicer without them. But to my dismay, sometimes (not always) when I run it in a shell it doesn't start a fork bomb, but it just gives a syntax error.
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What is console.log?
...y feature but a feature for debugging purposes. You can for instance log something to the console when something happens. For instance:
$('#someButton').click(function() {
console.log('#someButton was clicked');
// do something
});
You'd then see #someButton was clicked in Firebug’s “Cons...
What is a lambda (function)?
...
Lambda comes from the Lambda Calculus and refers to anonymous functions in programming.
Why is this cool? It allows you to write quick throw away functions without naming them. It also provides a nice way to write closures. With that...
How to read and write INI file with Python3?
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This can be something to start with:
import configparser
config = configparser.ConfigParser()
config.read('FILE.INI')
print(config['DEFAULT']['path']) # -> "/path/name/"
config['DEFAULT']['path'] = '/var/shared/' # update
confi...
Setting log level of message at runtime in slf4j
When using log4j, the Logger.log(Priority p, Object message) method is available and can be used to log a message at a log level determined at runtime. We're using this fact and this tip to redirect stderr to a logger at a specific log level.
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git - merge conflict when local is deleted but file exists in remote
I am very new to git and wondered how I should go about a merge where in the local repo I have deleted several files on the master branch but these files exist within the remote master branch.
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