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C# short/long/int literal format?
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From §2.4.4.2 Integer literals:
The type of an integer literal is determined as follows:
If the literal has no suffix, it has the first of these types in which its value can be represented: int, uint, long, ulong.
If the l...
Is “double hashing” a password less secure than just hashing it once?
...candidates. You can easily increase the time it takes to attack a password from hours to years.
Simple iteration is not enough
Merely chaining hash output to input isn't sufficient for security. The iteration should take place in the context of an algorithm that preserves the entropy of the passwo...
Algorithm to find Largest prime factor of a number
...ly stores the number itself. Each iteration, you remove the highest number from the queue, and attempt to split it into two factors (not allowing 1 to be one of those factors, of course). If this step fails, the number is prime and you have your answer! Otherwise you add the two factors into the que...
How do I get ruby to print a full backtrace instead of a truncated one?
When I get exceptions, it is often from deep within the call stack. When this happens, more often than not, the actual offending line of code is hidden from me:
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GridView VS GridLayout in Android Apps
...splays items in two-dimensional scrolling grid. The items in the grid come from the ListAdapter associated with this view.
This is what you'd want to use (keep using). Because a GridView gets its data from a ListAdapter, the only data loaded in memory will be the one displayed on screen.
GridViews...
How to use hex color values
...String
if (cString.hasPrefix("#")) {
cString = cString.substringFromIndex(cString.startIndex.advancedBy(1))
}
if ((cString.characters.count) != 6) {
return UIColor.grayColor()
}
var rgbValue:UInt32 = 0
NSScanner(string: cString).scanHexInt(&rgbValue)
r...
An “and” operator for an “if” statement in Bash
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If STATUS is empty, the code from @HTF would have failed on -ne: unary operator expected. In your case, it will fail on integer expression expected, won't it ?
– Julien Vivenot
Nov 16 '12 at 0:28
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Do spurious wakeups in Java actually happen?
...nd friends could not return EINTR, but return zero if spuriously woken up? From: pubs.opengroup.org/onlinepubs/7908799/xsh/… "These functions will not return an error code of [EINTR]."
– gub
Aug 11 '14 at 17:57
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How do I output the difference between two specific revisions in Subversion?
... @Fonix are you in the paradigm of "how does another commit differ from my current state"? If so, I agree. I usually think of chronological changes commits, so changes made in HEAD would have been the new/added changes from PREV, which is the paradigm I usually think in. There are cases and ...
How to set default value to the input[type=“date”] [duplicate]
...D. Single digit days and months should be padded with a 0. January is 01.
From the documentation:
A string representing a date.
Value: A valid full-date as defined in [RFC 3339], with the additional qualification that the year component is four or more digits representing a number greater ...