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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...16) | (x << 16));
}
From the famous Bit Twiddling Hacks page:
Fastest (lookup table):
static const unsigned char BitReverseTable256[] =
{
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0...
java.net.ConnectException: Connection refused
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I assume she is running them both on the same machine for testing purposes which is why localhost would be fine to use
– S E
Jul 29 '11 at 18:22
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What is the Git equivalent for revision number?
...evision for re-acquiring the code? Suppose "revision 68" is released to a testing environment, development continues, and later a developer needs to re-acquire "revision 68" from source control. How would he target the specific version to clone? Or am I missing something about Git that makes this...
Why can't an anonymous method be assigned to var?
... for each. We still have to specify all that behaviour, document it, write tests for it, and so on. This is a very expensive feature that saves the user maybe half a dozen keystrokes. We have better ways to add value to the language than spending a lot of time writing test cases for a feature that ...
How do I apply CSS3 transition to all properties except background-position?
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Interesting. I guess I hadn't tested it with other properties. When I tried color 0 it worked, but it is certainly not working with background-position 0. Even background 0 produces no results for me... Here's a jsFiddle I rigged up from the Gaming.SE men...
How to check if Location Services are enabled?
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This didn't work on my test device, Samsung SHV-E160K, android 4.1.2, API 16. Although i make the GPS offline, this function still return true. I tested on Android Nougat, API 7.1 it works
– HendraWD
Nov 23 '1...
Algorithm to calculate the number of divisors of a given number
...893 was a perfect square. And so on. With this technique you can quickly test for factors near the square root of n much faster than by testing individual primes. If you combine this technique for ruling out large primes with a sieve, you will have a much better factoring method than with the sie...
What is the best Battleship AI?
...coin. I needed to do 1000 games to get any reasonable distinction between test algorithms.
Download Dreadnought 1.2.
Strategies:
keep track of all possible positions for ships that have >0 hits. The list never gets bigger than ~30K so it can be kept exactly, unlike the list of all possible ...
How to count objects in PowerShell?
...t seem to work without the @ for count < 2 if Set-StrictMode -Version Latest is used. I just ran into this today (on 5.1) — something worked interactively that didn't work in a function. I tracked it down to the function have Set-StrictMode in it; when I set strict mode interactively, it didn't...
What is Pseudo TTY-Allocation? (SSH and Github)
...ion with Github following this tutorial: https://help.github.com/articles/testing-your-ssh-connection/
1 Answer
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