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Why do we use __init__ in Python classes?
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By what you wrote, you are missing a critical piece of understanding: the difference between a class and an object. __init__ doesn't initialize a class, it initializes an instance of a class or an object. Each dog has colour,...
Detecting programming language from a snippet
...it learns that "System" is likely to appear in C# snippets and "puts" in Ruby snippets.
I've actually used this method to add language detection to code snippets for forum software. It worked 100% of the time, except in ambiguous cases:
print "Hello"
Let me find the code.
I couldn't find the co...
Failed to install Python Cryptography package with PIP and setup.py
...ptography package for Python through either pip install cryptography or by downloading the package from their site and running python setup.py , I get the following error:
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Converting List to List
...sts.transform(integers, Functions.toStringFunction());
The List returned by transform is a view on the backing list - the transformation will be applied on each access to the transformed list.
Be aware that Functions.toStringFunction() will throw a NullPointerException when applied to null, so on...
How much does it cost to develop an iPhone application? [closed]
... date that gave us 60 days to do the development. (That was later extended by a week.)
We started the iPad development from scratch, but a lot of our underlying code (mostly models) was re-used. The development was done by two experienced iOS developers. One of them has even written a book: http://...
What does the “yield” keyword do?
... iterables.
Iterables
When you create a list, you can read its items one by one. Reading its items one by one is called iteration:
>>> mylist = [1, 2, 3]
>>> for i in mylist:
... print(i)
1
2
3
mylist is an iterable. When you use a list comprehension, you create a list, and...
adb update a non-market apk?
.... These data will only be deleted if you uninstall or delete them manually by code.
– Vidar Vestnes
Mar 10 '10 at 16:48
1
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Mapping composite keys using EF code first
...omposite primary key using Entity framework we can use two approaches.
1) By Overriding the OnModelCreating() Method
For ex: I have the model class named VehicleFeature as shown below.
public class VehicleFeature
{
public int VehicleId { get; set; }
public int FeatureId{get;set;}
pub...
Split string with multiple delimiters in Python [duplicate]
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I'd prefer to write it as: re.split(r';|,\s', a) by replacing ' ' (space character) with '\s' (white space) unless space character is a strict requirement.
– Humble Learner
Sep 12 '13 at 20:51
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What's the difference between & and && in MATLAB?
...right hand side) is evaluated only when the result is not fully determined by the first operand (left hand side)
A & B (A and B are evaluated)
A && B (B is only evaluated if A is true)
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