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Format date and time in a Windows batch script
...ss"') do set datetime=%%a
move "%oldfile%" "backup-%datetime%"
Of course nowadays PowerShell is always installed, but on Windows XP you'll probably only want to use this technique if your batch script is being used in a known environment where you know PS is available (or check in your batch file ...
Simplest two-way encryption using PHP
... guys, just FYI => MCRYPT IS DEPRECATED. capsing so everyone should know not to use it as it gave us a myriad of issues. It deprecated since PHP 7.1 if i'm not mistaken.
– clusterBuddy
Jun 3 '19 at 10:29
...
How can I add additional PHP versions to MAMP
...s meant adding an "X" to my /Applications/MAMP/bin/php/php5.4.10_X folder. Now 5.2.17 and 5.3.20 show up in the mamp prefs.
Done!
Edit - if the PHP version you require isn't in the PHP folder, you can download the version you require from http://www.mamp.info/en/downloads/
Edit - MAMP don't seem ...
How can I find the number of arguments of a Python function?
How can I find the number of arguments of a Python function? I need to know how many normal arguments it has and how many named arguments.
...
How to set a value of a variable inside a template code?
...rary()
@register.assignment_tag
def get_addressee():
return "World"
Now you may use the get_addressee template tag in your templates:
{% load hello_world %}
{% get_addressee as addressee %}
<html>
<body>
<h1>hello {{addressee}}</h1>
</body>
<...
What is memoization and how can I use it in Python?
... return k * factorial(k - 1)
factorial = Memoize(factorial)
A feature known as "decorators" was added in Python 2.4 which allow you to now simply write the following to accomplish the same thing:
@Memoize
def factorial(k):
if k < 2: return 1
return k * factorial(k - 1)
The Python D...
How to Detect if I'm Compiling Code with a particular Visual Studio version?
Is there any way to know if I'm compiling under a specific Microsoft Visual Studio version?
7 Answers
...
Import a file from a subdirectory?
... community has produced the PSR-4 standard and Composer implements it, and nowadays nobody has to worry about that. And no stupid hardcoded __init__ files (but if you want it, just register an autoloading hook ! This is the difference between hacky and hackable).
– Morgan Touve...
What does = +_ mean in JavaScript
...ample:
+"1"
cast "1" to pure number 1.
var _ = "1";
var r = +_;
r is now 1, not "1".
Moreover, according to the MDN page on Arithmetic Operators:
The unary plus operator precedes its operand and evaluates to its
operand but attempts to converts it into a number, if it isn't
already. [...
Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
...does a comparison of resulting assembler and profiling info). For all we know, the OP's compiler may render the OP's code with a single branch opcode...
– Oliver Charlesworth
Jun 13 '13 at 19:50
...