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Swift - Convert to absolute value
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The standard abs() function works great here:
let c = -8
print(abs(c))
// 8
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How to serialize a lambda?
...unnable & Serializable)() -> System.out.println("Serializable!");
And the lambda automagically becomes serializable.
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How to generate random number in Bash?
How to generate a random number within a range in Bash?
17 Answers
17
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How to keep a .NET console app running?
...hen you are forcing the code to recheck variables. It wastes CPU resources and slows down your program.
I would definitely say the first one.
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Regular expression: find spaces (tabs/space) but not newlines
...on only considers two white space characters: the horizontal tab (U+0009), and a breaking space (U+0020). It does not consider other whitespace characters such as non-breaking spaces (which happen to be in the text I am trying to deal with). A more complete whitespace character listing is included...
Check variable equality against a list of values
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You could use an array and indexOf:
if ([1,3,12].indexOf(foo) > -1)
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How to populate/instantiate a C# array with a single value?
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i++ copies i, increments i, and returns the original value. ++i just returns the incremented value. Therefore ++i is faster, which can be significant in large loops like we're talking about here.
– tenpn
Nov 8 '12 ...
Redirect from an HTML page
...makes meta refresh seem like a JavaScript redirect. Meta refresh is not JS and will still work when JS is disabled.
– Druska
Dec 28 '13 at 19:47
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Get keys from HashMap in Java
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team1.put("foo", 1);
team1.put("bar", 2);
will store 1 with key "foo" and 2 with key "bar". To iterate over all the keys:
for ( String key : team1.keySet() ) {
System.out.println( key );
}
will print "foo" and "bar".
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Resize image in the wiki of GitHub using Markdown
I'm writing a wiki page on GitHub, and I'm using Markdown.
6 Answers
6
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