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Difference between a class and a module
...e namespaces...which don't exist in java ;)
I also switched from Java and python to Ruby, I remember had exactly this same question...
So the simplest answer is that module is a namespace, which doesn't exist in Java. In java the closest mindset to namespace is a package.
So a module in ruby is ...
What is the difference between __init__ and __call__?
...
In Python, functions are first-class objects, this means: function references can be passed in inputs to other functions and/or methods, and executed from inside them.
Instances of Classes (aka Objects), can be treated as if th...
MySQL vs PostgreSQL for Web Applications [closed]
I am working on a web application using Python (Django) and would like to know whether MySQL or PostgreSQL would be more suitable when deploying for production.
...
How to hide underbar in EditText
...I did was to create a Shape drawable and set that as the background:
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<padding
android:top="8dp"
android:bottom="8dp"
...
eval command in Bash and its typical uses
... test.py
print("export foo=bar/baz/womp")
print(". activate.sh")
$ eval $(python test.py)
bash: export: `.': not a valid identifier
bash: export: `activate.sh': not a valid identifier
$ eval "$(python test.py)"
I got activated!
...
Remove all values within one list from another list? [duplicate]
...,3,4] and a sublist [2,3], then the result should be [1,2,2,4], is there a Pythonic way to do that?
– user
Mar 2 '14 at 5:20
...
How to reset a form using jQuery with .reset() method
...time i use console.log, i have no idea where to look out for it. i'm using Python IDLE and a terminal to run the python script. the javascript is in it. anyway, when i use `alert($('#configform')[0]), it gives me [object HTMLFormElement]
– yvonnezoe
May 9 '13 a...
How to construct a timedelta object from a simple string
...
@verdesmarald So, as of python 3.5, is there an elegant solution without using external libraries and without assuming timespan is less than 24 hours?
– max
Apr 22 '16 at 18:57
...
C# Passing Function as Argument [duplicate]
.... The only real advantage a named delegate gives you is the ability to add xml-doc comments; descriptive names are just as easy to implement as the parameter name instead of the type.
– KeithS
Sep 1 '10 at 22:51
...
How to repeat a string a variable number of times in C++?
...ect idiomatic way to repeat strings in C++ equivalent to the * operator in Python or the x operator in Perl. If you're repeating a single character, the two-argument constructor (as suggested by previous answers) works well:
std::string(5, '.')
This is a contrived example of how you might use an ...