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Ternary operation in CoffeeScript
...s preference for something "less cryptic" and less arbitrary (e.g., github.com/jashkenas/coffeescript/issues/11#issuecomment-97802). [My 2 cents - While I realise the arbitrariness of ?:, I think if..then..else is too verbose a replacement for what is supposed to be a concise expression. And ?: is a...
how to disable DIV element and everything inside [duplicate]
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336
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Set the selected index of a Dropdown using jQuery
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106
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How do I Sort a Multidimensional Array in PHP [duplicate]
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345
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Which, if any, C++ compilers do tail-recursion optimization?
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All current mainstream compilers perform tail call optimisation fairly well (and have done for more than a decade), even for mutually recursive calls such as:
int bar(int, int);
int foo(int n, int acc) {
return (n == 0) ? acc : bar(n - 1, acc...
conditional unique constraint
...you'll return false if Status = 1 and Count > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS INT AS BEGIN
DECLARE @ret INT;
SELECT @...
Using C# to check if string contains a string in string array
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How to get a complete list of object's methods and attributes?
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For the complete list of attributes, the short answer is: no. The problem is that the attributes are actually defined as the arguments accepted by the getattr built-in function. As the user can reimplement __getattr__, suddenly allow...
Simple logical operators in Bash
...side them isn't an expression like in many other languages. It's a list of commands (just like outside parentheses). These commands are executed in a separate subprocess, so any redirection, assignment, etc. performed inside the parentheses has no effect outside the parentheses.
With a leading dol...