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Environment variables for java installation
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Java SE Development Kit 8u112 on a 64-bit Windows 7 or Windows 8
Set the following user environment variables (== environment variables of type user variables)
JAVA_HOME : C:\Program Files\Java\jdk1.8.0_112
JDK_HOME : %JAVA_HOME%
JRE_HOME : %JAVA_HOME%\jr...
When do I use the PHP constant “PHP_EOL”?
...uses "\n". Someone should file a bug report...
– imgx64
Jan 28 '12 at 7:32
28
@imgx64 Yeah maybe,...
Do you use NULL or 0 (zero) for pointers in C++?
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cerr << sizeof(void*) << endl;
============
On a 64-bit gcc RHEL platform you get:
4
8
8
================
The moral of the story. You should use NULL when you're dealing with pointers.
1) It declares your intent (don't make me search through all your cod...
Fastest sort of fixed length 6 int array
...tainly the best answer. I will check if it also is (and how much) in golf x64 context and publish result.
– kriss
May 7 '10 at 12:06
1
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byte + byte = int… why?
... With ints it does overflow. Try adding int.MaxValue + 1 you get -2147483648 instead of 2147483648.
– David Basarab
Jun 2 '09 at 20:13
8
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...ultiplyByZer0
3,73333 gold badges2727 silver badges4646 bronze badges
answered Jan 23 '13 at 12:51
Rigg802Rigg802
2,61611 gold bad...
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...
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 ...
Forward an invocation of a variadic function in C
...Rosenfield
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