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Why are hexadecimal numbers prefixed with 0x?
Why are hexadecimal numbers prefixed as 0x ?
I understand the usage of the prefix but I don't understand the significance of why 0x was chosen.
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Once upon a time, when > was faster than < … Wait, what?
...c old optimization where one frame you would use GL_LESS with a range of [0, 0.5]. Next frame, you render with GL_GREATER with a range of [1.0, 0.5]. You go back and forth, literally "flipping the sign of Z and the depth test" every frame.
This loses one bit of depth precision, but you didn't have...
HttpServletRequest - how to obtain the referring URL?
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edited Sep 28 '18 at 14:04
Simeon Leyzerzon
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an...
Are empty HTML5 data attributes valid?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered May 20 '14 at 6:14
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What does principal end of an association means in 1:1 relationship in Entity framework
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380
In one-to-one relation one end must be principal and second end must be dependent. Principal end...
How to set the maxAllowedContentLength to 500MB while running on IIS7?
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answered Oct 26 '10 at 9:52
abatishchevabatishchev
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String concatenation in MySQL
...ators.
– DonBecker
Mar 21 '13 at 18:06
28
Beware this is not entirely true: MySQL does support ||...
MySQL, update multiple tables with one query
...se, we increase the number of books in a particular order with Order.ID = 1002 in Orders table then we also need to reduce that the total number of books available in our stock by the same number in Books table.
UPDATE Books, Orders
SET Orders.Quantity = Orders.Quantity + 2,
Books.InStock = Book...
NSUserDefaults removeObjectForKey vs. setObject:nil
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Swift 3.0
The below answer is no longer the case when I tested this.
When set to nil the result is NSCFData being stored. Possibly an NSNull object reference, but I am not positive.
To completely remove a value for a key use UserD...
php - get numeric index of associative array
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answered Jul 29 '10 at 18:26
FoscoFosco
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