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In OS X Lion, LANG is not set to UTF-8, how to fix it?
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How do I find which transaction is causing a “Waiting for table metadata lock” state?
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Understand the “Decorator Pattern” with a real world example
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Decorator pattern achieves a single objective of dynamically adding
responsibilities to any object.
Consider a case of a pizza shop. In the pizza shop they will sell few pizza varieties and they will also provide toppings in the menu. Now imagine a situation wherein if the piz...
Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
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Consider the code below.
def return_something(someint):
if someint > 5:
return someint
y = return_something(2)
y.real()
This is going to give you the error
AttributeError: 'NoneType' object has no attribute 'real'
So points are as below.
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Browse orphaned commits in Git
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Interface vs Base class
...erface is a contract. You're only exposing the part of the contract that a service requires. If you have a 'PettingZoo', you certainly don't want to expose 'Mate'-ing to the user!
– Anthony Mastrean
Sep 11 '08 at 19:54
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Defining a variable with or without export
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Specifically export makes the variable available to child processes via the environment.
– Beano
Jul 21 '09 at 13:35
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Permanently Set Postgresql Schema Path
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Populating Spring @Value during Unit Test
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I'm writing an integration test for a service which doesn't refer any code which fetch values from property file but my application has configuration class which is fetching value from property file. So when I'm running test it is giving error of unresolve placeh...
Debugging iframes with Chrome developer tools
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