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How can I generate random alphanumeric strings?
...ouTube's video IDs are A-Z a-z 0-9, as well as "-" and "_", which produces 64 possible characters, which divides into 256 evenly. Coincidence? I think not! :)
– qJake
Sep 26 '16 at 18:25
...
Is there a code obfuscator for PHP? [closed]
...ace($infile);
// compress data
$data=gzcompress($data,9);
// encode in base64
$data=base64_encode($data);
// generate output text
$out='<?ob_start();$a=\''.$data.'\';eval(gzuncompress(base64_decode($a)));$v=ob_get_contents();ob_end_clean();?>';
// write output text
file_put_contents($outfile,$...
Difference between decimal, float and double in .NET?
...
Another difference: float 32-bit; double 64-bit; and decimal 128-bit.
– David
Aug 29 '16 at 15:08
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show 9...
Is gettimeofday() guaranteed to be of microsecond resolution?
...of detail.
#include <stdio.h>
#include <stdint.h>
inline uint64_t rdtsc() {
uint32_t lo, hi;
__asm__ __volatile__ (
"xorl %%eax, %%eax\n"
"cpuid\n"
"rdtsc\n"
: "=a" (lo), "=d" (hi)
:
: "%ebx", "%ecx");
return (uint64_t)hi << 32 | lo...
Tomcat: How to find out running tomcat version
...OS Name: Linux
OS Version: 3.13.0-36-generic
Architecture: amd64
JVM Version: 1.7.0_65-b32
JVM Vendor: Oracle Corporation
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improve this answer
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f...
When should std::move be used on a function return value? [duplicate]
...ction is declared to return std::unique_ptr<Base>? In gcc and mingw-w64 it just works, but vanilla mingw (based gcc 4.9.3, targeting i686-pc-cygwin) needs std::move(x) to compile.
– rr-
Oct 12 '15 at 7:01
...
How to use OpenSSL to encrypt/decrypt files?
... -ciphername [-in filename] [-out filename] [-pass arg]
[-e] [-d] [-a/-base64] [-A] [-k password] [-kfile filename]
[-K key] [-iv IV] [-S salt] [-salt] [-nosalt] [-z] [-md] [-p] [-P]
[-bufsize number] [-nopad] [-debug] [-none] [-engine id]
Explanation of most useful parameters with regards to yo...
Android Hello-World compile error: Intellij cannot find aapt
... and executing aapt directly also says file not found, you may be having a 64-bit issue: link
– Tomas
Jun 2 '13 at 7:07
...
jquery save json data object in cookie
... to a bug in some browsers.
Before using it, you should convert it to base64 (using btoa), and when reading it, convert from base64 (using atob).
val = JSON.stringify(userData)
val = btoa(val)
write_cookie(val)
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...
Suppress warning CS1998: This async method lacks 'await'
...C
.NET Core SDK=2.1.2
[Host] : .NET Core 2.0.3 (Framework 4.6.25815.02), 64bit RyuJIT
Clr : .NET Framework 4.7 (CLR 4.0.30319.42000), 64bit RyuJIT-v4.7.2600.0
Core : .NET Core 2.0.3 (Framework 4.6.25815.02), 64bit RyuJIT
Method | Job | Runtime | Mean | Error | ...