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What is the difference between Bower and npm?
... is an undirected graph in which any two vertices are connected by exactly one path."
– Jørgen Fogh
Dec 25 '14 at 17:20
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Is it possible to define more than one function per file in MATLAB, and access them from outside tha
...LAB required each function to be defined in its own file, even if it was a one-liner.
9 Answers
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Multiple inheritance/prototypes in JavaScript
...ndamental operations.
When creating an object which inherits from another one, we use Object.create(obj). But in this case we want multiple inheritance, so instead of obj I use a proxy that will redirect fundamental operations to the appropriate object.
I use these traps:
The has trap is a trap ...
Extract substring using regexp in plain bash
...PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space:]]*([0-9]{2}:[0-9]{2}) ]] &&
echo ${BASH_REMATCH[1]}
another solution using grep and look-around advanced r...
linux: kill background task
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Assuming the ???? stands for one or more commands to be executed after the kill, if any of those commands relies on work done by the background process, be mindful of any cleanup or finishing-up tasks which the background process might perform in a signa...
Long-held, incorrect programming assumptions [closed]
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For a long time I assumed that everyone else had this super-mastery of all programming concepts (design patterns, the latest new language, computational complexity, lambda expressions, you name it).
Reading blogs, Stack Overflow and programming books always se...
How do I get the first element from an IEnumerable in .net?
...)) {
if (enumer.MoveNext()) e = enumer.Current;
}
Joel Coehoorn mentioned .Single() in the comments; this will also work, if you are expecting your enumerable to contain exactly one element - however it will throw an exception if it is either empty or larger than one element. There is a corres...
Why is Java's Iterator not an Iterable?
...nerally points to a single instance in a collection. Iterable implies that one may obtain an iterator from an object to traverse over its elements - and there's no need to iterate over a single instance, which is what an iterator represents.
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How to check if hex color is “too black”?
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You have to extract the three RGB components individually, and then use a standard formula to convert the resulting RGB values into their perceived brightness.
Assuming a six character colour:
var c = c.substring(1); // strip #
var rgb = parseInt(c, 16); ...
How to round a number to significant figures in Python
I need to round a float to be displayed in a UI. E.g, to one significant figure:
20 Answers
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