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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...ultiplyByZer0
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answered Jan 23 '13 at 12:51
Rigg802Rigg802
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Difference between Rebuild and Clean + Build in Visual Studio
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If you add build actions that move .dll files to a new location you can get 'bad' build results by just doing a rebuild. If you mix a vb.net and c# project things get even worse, broken form designers and no working goto.
– CodingBarfield...
How do you detect Credit card type based on number?
...at you make the field wide enough to display 32 characters and allow up to 64; that gives plenty of headroom for expansion.
Here's an image that gives a little more insight:
UPDATE (2014): The checksum method no longer appears to be a valid way of verifying a card's authenticity as noted in the co...
SparseArray vs HashMap
...<V> values;
}
Class = 12 + 8 * 4 = 48 bytes
Entry = 32 + 16 + 16 = 64 bytes
Array = 20 + 1000 * 64 = 64024 bytes
Total = 64,136 bytes
Source: Android Memories by Romain Guy from slide 90.
The numbers above are the amount of memory (in bytes) allocated on heap by JVM.
They may vary dependin...
Forward an invocation of a variadic function in C
...Rosenfield
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5
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What is the difference between Int and Integer?
...ay
recognise the "bignum" type here.
"Int" is the more common 32 or 64 bit
integer. Implementations vary,
although it is guaranteed to be at
least 30 bits.
Source: The Haskell Wikibook. Also, you may find the Numbers section of A Gentle Introduction to Haskell useful.
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Fastest hash for non-cryptographic uses?
...;
}
?>
And the output
1 - crc32b 0.111036300659
2 - crc32 0.112048864365
3 - md4 0.120795726776
4 - md5 0.138875722885
5 - sha1 0.146368741989
6 - adler32 0.15501332283
7 - tiger192,3 0.177447080612
8 - tiger160,3 0.179498195648
9 - tiger128,3 0.184012889862
10 - ripemd128 0.184052705765
11 ...
Why doesn't the JVM cache JIT compiled code?
...in 2001. Moreover, its AOT compiler may recompile the cache into a single DLL/shared object using all optimizations.
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Generate a Hash from string in Javascript
...ained here, we can extend the hash bit size using this trick:
function hash64(str) {
var h1 = hash32(str); // returns 32 bit (as 8 byte hex string)
return h1 + hash32(h1 + str); // 64 bit (as 16 byte hex string)
}
Use it with care and don't expect too much though.
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Xcode 'Build and Archive' menu item disabled
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bealexbealex
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