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Do you use NULL or 0 (zero) for pointers in C++?
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cerr << sizeof(void*) << endl;
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On a 64-bit gcc RHEL platform you get:
4
8
8
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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
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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
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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
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...
Xcode 'Build and Archive' menu item disabled
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bealexbealex
9,86411 gold badge1818 silver badges2626 bronze badges
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R.exe, Rcmd.exe, Rscript.exe and Rterm.exe: what's the difference?
...d with /LARGEADDRESSAWARE and can allocate 4 GB RAM when run under Windows 64 bit, unlike R.exe (we're talking about 32 bit R running under 64 bit Windows). Why would the R people do this only for Rterm.exe and not for R.exe, if Rterm.exe is obsolete?
– Meh
Oct...
How to overwrite existing files in batch?
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You can use :
copy /b/v/y
See SS64 on COPY.
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How to convert integer to string in C? [duplicate]
...bits for int. When using numbers with greater bitsize, e.g. long with most 64-bit compilers, you need to increase the array size—at least 21 characters for 64-bit types.
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