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Is there any way to use a numeric type as an object key?
...e a numeric type as a key name in an object, it always gets converted to a string. Is there anyway to actually get it to store as a numeric? The normal typecasting does not seem to work.
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How can I generate UUID in C#
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You can also do String UUID = Guid.NewGuid().ToString()
– Justin
Dec 12 '11 at 17:41
11
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Return first match of Ruby regex
I'm looking for a way to perform a regex match on a string in Ruby and have it short-circuit on the first match.
5 Answers
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How are strings passed in .NET?
When I pass a string to a function, is a pointer to the string's contents passed, or is the entire string passed to the function on the stack like a struct would be?
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Is there a difference between single and double quotes in Java?
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Use single quotes for literal chars, double quotes for literal Strings, like so:
char c = 'a';
String s = "hello";
They cannot be used any other way around (like in Python, for example).
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leading zeros in rails
...untime. Every language has its own way to pad zeros - for Ruby you can use String#rjust. This method pads a string (right-justified) so that it becomes a given length, using a given padding character.
str.rjust(integer, padstr=' ') → new_str
If integer is greater than the length of str, r...
Haskell: Converting Int to String
I know you can convert a String to an number with read :
3 Answers
3
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Literal notation for Dictionary in C#?
...lection initializer syntax, but you still need to make a new Dictionary<string, string> object first as the shortcut syntax is translated to a bunch of Add() calls (like your code):
var data = new Dictionary<string, string>
{
{ "test", "val" },
{ "test2", "val2" }
};
In C# 6,...
jQuery: Best practice to populate drop down?
... of the time seems like it's suboptimal, because it involves concatenating strings, which seems so not jQuery. It usually looks like this:
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In javascript, is an empty string always false as a boolean?
...this behavior:
ToBoolean
The result is false if the argument is the empty String (its length is zero);
otherwise the result is true
Quote taken from http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
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