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Cartesian product of multiple arrays in JavaScript
...S
Original 2017 Answer: 2-line answer with vanilla JS:
(see updates below)
All of the answers here are overly complicated, most of them take 20 lines of code or even more.
This example uses just two lines of vanilla JavaScript, no lodash, underscore or other libraries:
let f = (a, b) => [].concat...
Run a JAR file from the command line and specify classpath
...n the manifest (I used the Eclipse Export function). My dependencies are all in a directory labeled lib . I can't seem to get a straight answer on how to execute my JAR file while specifying it should use the lib/* as the classpath.
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How do I overload the square-bracket operator in C#?
... Overloadability
+, -, *, /, %, &, |, <<, >> All C# binary operators can be overloaded.
+, -, !, ~, ++, --, true, false All C# unary operators can be overloaded.
==, !=, <, >, <= , >= All relational operators can be overloaded,
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maven-dependency-plugin (goals “copy-dependencies”, “unpack”) is not supported by m2e
...a vital step in building your WAR file? I am working with monstrosity the call m2Eclipse and even if changing the action to execute, the vital files are not copied to the target folder...
– bartv
Jul 25 '12 at 22:12
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Add custom icons to font awesome
...n to use it on a website, without making html/css exceptions / else cases. All the other brands have icons already, so the fab class is present on the elements (and the actually selected brand is added dinamycally to the css)
– Norbert Kardos
Jul 9 '18 at 6:29
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Remove/Add Line Breaks after Specific String using Sublime Text
...row > line break
The important part being Control+Command+G to select all matches.
Once you've selected the text you're looking for, you can use the provided multiple cursors to do whatever text manipulation you want.
Protip: you can manually instantiate multiple cursors by using Command+click...
What does “Object reference not set to an instance of an object” mean? [duplicate]
...hod()
{
}
}
This is a very common error and can occur because of all kinds of reasons. The root cause really depends on the specific scenario that you've encountered.
If you are using an API or invoking methods that may return null then it's important to handle this gracefully. The main m...
What is the difference between atan and atan2 in C++?
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std::atan2 allows calculating the arctangent of all four quadrants. std::atan only allows calculating from quadrants 1 and 4.
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Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null
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This problem is usually due to the map div not being rendered before the javascript runs that needs to access it.
You should put your initialization code inside an onload function or at the bottom of your HTML file, just before the tag, so th...
Pythonic way to check if a file exists? [duplicate]
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It seems to me that all other answers here (so far) fail to address the race-condition that occurs with their proposed solutions.
Any code where you first check for the files existence, and then, a few lines later in your program, you create it...