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Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
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602
There's no isNumeric() type of function, but you could add your own:
function isNumeric(n) {
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What are valid values for the id attribute in HTML?
...a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
HTML 5 is even more permissive, saying only that an id must contain at least one character and may not contain any space characters.
The id attribut...
How do I replace a character at a particular index in JavaScript?
...rototype.replaceAt = function(index, replacement) {
return this.substr(0, index) + replacement + this.substr(index + replacement.length);
}
And use it like this:
var hello = "Hello World";
alert(hello.replaceAt(2, "!!")); // Should display He!!o World
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Impossible to make a cached thread pool with a size limit?
... the first example, note that the SynchronousQueue has essentially size of 0. Therefore, the moment you reach the max size (3), the rejection policy kicks in (#4).
In the second example, the queue of choice is a LinkedBlockingQueue which has an unlimited size. Therefore, you get stuck with behavi...
Find where python is installed (if it isn't default dir)
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answered Jul 20 '11 at 19:21
dhgdhg
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Why are Python's 'private' methods not actually private?
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603
The name scrambling is used to ensure that subclasses don't accidentally override the private m...
How to explicitly discard an out argument?
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100
Starting with C# 7.0, it is possible to avoid predeclaring out parameters as well as ignoring t...
Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly
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whoKnows
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answered Oct 29 '13 at 8:24
Amit OnAmit On
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Calculating the difference between two Java date instances
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202
The JDK Date API is horribly broken unfortunately. I recommend using Joda Time library.
Joda ...
How to compare Unicode characters that “look alike”?
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