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warning: incompatible implicit declaration of built-in function ‘xyz’
... argc, char **argv) {
exit(1);
}
Compiled like this on Fedora 17 Linux 64 bit with gcc:
el@defiant ~/foo2 $ gcc -o n n2.c
n2.c: In function ‘main’:
n2.c:2:3: warning: incompatible implicit declaration of built-in
function ‘ex...
What would cause an algorithm to have O(log log n) complexity?
...48
2,048 / 2 = 1,024
1,024 / 2 = 512
512 / 2 = 256
256 / 2 = 128
128 / 2 = 64
64 / 2 = 32
32 / 2 = 16
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
This process takes 16 steps, and it's also the case that 65,536 = 216.
But, if we take the square root at each level, we get
√65,536 = 256
√256 = 16
...
Loop code for each file in a directory [duplicate]
...Vikström
81.8k1515 gold badges131131 silver badges164164 bronze badges
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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
...p;' . rawurlencode($oauth_access_token_secret);
$oauth_signature = base64_encode(hash_hmac('sha1', $base_info, $composite_key, true));
$oauth['oauth_signature'] = $oauth_signature;
// Make requests
$header = array(buildAuthorizationHeader($oauth), 'Expect:');
$options = array( C...
Why is reading lines from stdin much slower in C++ than Python?
... 17
mmap 22
stat64 30
read_nocancel 25958
Python
./a.py < in
Read 6512402 lines in 1 seconds. LPS: 6512402
syscalls sudo dtruss -c ./a.py < in
CALL ...
How to compile python script to binary executable
...
64
Or use PyInstaller as an alternative to py2exe. Here is a good starting point. PyInstaller also...
Learning assembly [closed]
...o learn reverse engineering.
What you want to do is grab the IA-32 and AMD64 (both are covered together) architecture manuals from Intel and AMD, and look through the early sections on instructions and opcodes. Maybe read a tutorial or two on assembly language, just to get the basics of assembly la...
Build fat static library (device + simulator) using Xcode and SDK 4+
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Any idea how to make this work with XCode 5 and ARM64? If I leave architectures as standard, it makes the library with armv7, armvs7 and i386 as expected. If I set architectures to standard including 64bit, then the library only contains "cputype 16777223". I use otool -h ...
“VT-x is not available” when i start my Virtual machine [closed]
...could not install that Virtualization Detection tool on my windows 2008 R2 64 bit server. Any alternate ways?
– D MADANAGOPAL
Mar 30 '11 at 7:31
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How to plot two columns of a pandas data frame using points?
...es with millisecond precision. In trying to convert the objects to datetime64 type, I also discovered a nasty issue: < Pandas gives incorrect result when asking if Timestamp column values have attr astype >.
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