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SQL SELECT WHERE field contains words
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15 Answers
15
Active
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How to print formatted BigDecimal values?
...nts money, and I need to print its value in the browser in a format like $123.00 , $15.50 , $0.33 .
6 Answers
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Weighted random numbers
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181
There is a straightforward algorithm for picking an item at random, where items have individua...
How to find index of list item in Swift?
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831
As swift is in some regards more functional than object-oriented (and Arrays are structs, not ob...
is_file or file_exists in PHP
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169
is_file() will return false if the given path points to a directory. file_exists() will return...
The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type
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edited Feb 10 '12 at 23:58
answered Feb 10 '12 at 23:53
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rails 3 validation on uniqueness on multiple attributes
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edited Aug 15 '14 at 14:15
Jason Swett
36.7k5757 gold badges183183 silver badges314314 bronze badges
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How to optimize for-comprehensions and loops in Scala?
...allest positive number that is evenly divisible by all of the numbers from 1 to 20?"
8 Answers
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jQuery map vs. each
...ion you can potentially waste a lot of memory.
For example:
var items = [1,2,3,4];
$.each(items, function() {
alert('this is ' + this);
});
var newItems = $.map(items, function(i) {
return i + 1;
});
// newItems is [2,3,4,5]
You can also use the map function to remove an item from an array...