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PHP best way to MD5 multi-dimensional array?
...i:0;a:1:{i:0;a:1:{i:0;a:0:{}}}}}}}}}');
//The serialize test
$b4_s = microtime(1);
for ($i=0;$i<10000;$i++) {
$serial = md5(serialize($array));
}
echo 'serialize() w/ md5() took: '.($sTime = microtime(1)-$b4_s).' sec<br/>';
//The json test
$b4_j = microtime(1);
for ($i=0;$i<10000;$...
Best design for a changelog / auditing database table? [closed]
...very minimalistic design, like the one you described:
event ID
event date/time
event type
user ID
description
The idea was the same: to keep things simple.
However, it quickly became obvious that this minimalistic design was not sufficient. The typical audit was boiling down to questions like t...
Why do you need explicitly have the “self” argument in a Python method?
...en you have variable names that make it impossible to deduce. So you sometimes need it and sometimes don't.
Python elects to make things like this explicit rather than based on a rule.
Additionally, since nothing is implied or assumed, parts of the implementation are exposed. self.__class__, ...
Set “Homepage” in Asp.Net MVC
...ill be mapped to the url hey/now. But this can get tedious to do for every time you want to define routes for different actions. So in MVC 5 you can now add attributes to match urls to actions like so,
public class HomeController : Controller
{
// url is now 'index/' instead of 'home/index'
...
Show/Hide the console window of a C# console application
...
Here’s how:
using System.Runtime.InteropServices;
[DllImport("kernel32.dll")]
static extern IntPtr GetConsoleWindow();
[DllImport("user32.dll")]
static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
const int SW_HIDE = 0;
const int SW_SHOW = 5...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
...ous, this is bad news. Java's type system actually allows this at compile time. The JVM will "helpfully" throw an ArrayStoreException at runtime. Scala's type system prevents this problem because the type parameter on the Array class is invariant (declaration is [A] rather than [+A]).
Note that ...
What is the difference between null and undefined in JavaScript?
...ll and leave undefined the value for things you forgot to set. At the same time, I really encourage you to always set every variable. JavaScript has a scope chain different than that of C-style languages, easily confusing even veteran programmers, and setting variables to null is the best way to pre...
Static constant string (class member)
...
I'd rather use std::string's all the time too. The overhead is negligible, but you have far more options and are much less likely to write some fool things like "magic" == A::RECTANGLE only to compare their address...
– Matthieu M.
...
JavaScript: Passing parameters to a callback function
...yntax error in the main code, I thought was this because this is the first time I use a callback in JavaScript, you've helped me to understand it wasn't the probelm, and to see a great example.
– vitto
Aug 11 '10 at 13:17
...
How to set up a PostgreSQL database in Django
...ql_psycopg2 back end and avoided specifying port number as it change every time you start pgAdmin on windows
– Mustapha-Belkacim
Aug 1 '19 at 21:35
...