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How to run a python script from IDLE interactive shell?
...t-in function: execfile
execfile('helloworld.py')
It normally cannot be called with arguments. But here's a workaround:
import sys
sys.argv = ['helloworld.py', 'arg'] # argv[0] should still be the script name
execfile('helloworld.py')
Deprecated since 2.6: popen
import os
os.popen('python ...
How to generate a random number in C++?
...
The most fundamental problem of your test application is that you call srand once and then call rand one time and exit.
The whole point of srand function is to initialize the sequence of pseudo-random numbers with a random seed.
It means that if you pass the same value to srand in two diffe...
Call a python function from jinja2
I am using jinja2, and I want to call a python function as a helper, using a similar syntax as if I were calling a macro. jinja2 seems intent on preventing me from making a function call, and insists I repeat myself by copying the function into a template as a macro.
...
Multi-project test dependencies with gradle
...ts is no longer a public property of a project.
– David Pärsson
Jan 14 '13 at 10:39
3
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Advantages to Using Private Static Methods
... After you mark the methods as static, the compiler will emit non-virtual call sites to these members. Emitting non-virtual call sites will prevent a check at runtime for each call that ensures that the current object pointer is non-null. This can result in a measurable performance gain for perform...
Windows batch file file download from a URL
....example.com/package.zip -OutFile package.zip
From a batch file they are called:
powershell -Command "(New-Object Net.WebClient).DownloadFile('http://www.example.com/package.zip', 'package.zip')"
powershell -Command "Invoke-WebRequest http://www.example.com/package.zip -OutFile package.zip"
(Po...
Easiest way to toggle 2 classes in jQuery
...ug 9 '11 at 19:48
Frédéric HamidiFrédéric Hamidi
232k3737 gold badges445445 silver badges455455 bronze badges
...
What is function overloading and overriding in php?
...at method.
In PHP, you can only overload methods using the magic method __call.
An example of overriding:
<?php
class Foo {
function myFoo() {
return "Foo";
}
}
class Bar extends Foo {
function myFoo() {
return "Bar";
}
}
$foo = new Foo;
$bar = new Bar;
echo($foo->...
What are rvalues, lvalues, xvalues, glvalues, and prvalues?
...imization we should probably embrace them.
Quoting n3055:
An lvalue (so-called, historically,
because lvalues could appear on the
left-hand side of an assignment
expression) designates a function or
an object. [Example: If E is an
expression of pointer type, then *E
is an lvalue expression ref...
How to create a private class method?
...n that private is NOT an access/visibility modifier, but actually a method call (with the class as its recipient) as discussed here... there's no such thing as "a private section" in Ruby.
To define private instance methods, you call private on the instance's class to set the default visibility for...