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How to define a function in ghci across multiple lines?
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For guards (like your example), you can just put them all on one line and it works (guards do not care about spacing)
let abs n | n >= 0 = n | otherwise = -n
If you wanted to write your function with multiple definitions that pattern match on the arguments, like this:
fac...
Preferred way of loading resources in Java
...ings that getResource/getResourceAsStream() will get from the class it is called on...
The class loader
The starting location
So if you do
this.getClass().getResource("foo.txt");
it will attempt to load foo.txt from the same package as the "this" class and with the class loader of the "this"...
Validating parameters to a Bash script
...ant script as far as I can tell; it doesn't use any bashisms, which is actually important because /bin/sh on Ubuntu is actually dash these days, not bash.
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How is the “greater than” or “>” character used in CSS?
...a CSS child selector. P > SPAN means applying the style that follows to all SPAN tags that are children of a P tag.
Note that "child" means "immediate descendant", not just any descendant. P SPAN is a descendant selector, applying the style that follows to all SPAN tags that are children of a P ...
Is it possible to pass a flag to Gulp to have it run tasks in different ways?
Normally in Gulp tasks look like this:
11 Answers
11
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What does it mean to hydrate an object?
... you probably don't need to deal with hydration explicitly. You would typically use deserialization instead so you can write less code. Some data access APIs don't give you this option, and in those cases you'd also have to explicitly call the hydration step yourself.
For a bit more detail on the c...
How to search through all Git and Mercurial commits in the repository for a certain string?
... repository with few branches and dangling commits. I would like to search all such commits in repository for a specific string.
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Get protocol, domain, and port from URL
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This doesn't work at all if you have a URL string, right? (i.e. you need to be at location for this to work)
– Nick T
Oct 5 '15 at 22:57
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Split by comma and strip whitespace in Python
...x.strip() for x in text.split('.') if x != '']
– RandallShanePhD
Jul 28 '17 at 19:41
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Do Java arrays have a maximum size?
...t answer is Integer.MAX_VALUE - 5. Once you go beyond that:
public class Foo {
public static void main(String[] args) {
Object[] array = new Object[Integer.MAX_VALUE - 4];
}
}
You get:
Exception in thread "main" java.lang.OutOfMemoryError:
Requested array size exceeds VM limit
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