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What is the difference between “int” and “uint” / “long” and “ulong”?
I know about int and long (32-bit and 64-bit numbers), but what are uint and ulong ?
5 Answers
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Fastest way to determine if an integer's square root is an integer
...so answer yes for 0. (In reading the code below, note that my input is int64 x.)
if( x < 0 || (x&2) || ((x & 7) == 5) || ((x & 11) == 8) )
return false;
if( x == 0 )
return true;
Next, check if it's a square modulo 255 = 3 * 5 * 17. Because that's a product of three distin...
Simplest two-way encryption using PHP
...nary expected)
* @param boolean $encode - set to TRUE to return a base64-encoded
* @return string (raw binary)
*/
public static function encrypt($message, $key, $encode = false)
{
$nonceSize = openssl_cipher_iv_length(self::METHOD);
$nonce = openssl_random_pse...
Passing command line arguments from Maven as properties in pom.xml
...t>
.....
<profiles>
<profile>
<id>linux64</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<build_os>linux</build_os>
&l...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网 - 专注IT技能提升
...urce code, documentation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for d...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网 - 专注IT技能提升
...urce code, documentation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for d...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网 - 专注IT技能提升
...urce code, documentation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for d...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网 - 专注IT技能提升
...urce code, documentation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for d...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网 - 专注IT技能提升
...urce code, documentation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for d...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网 - 专注IT技能提升
...urce code, documentation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for d...