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Why not abstract fields?
... rsprsp
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'typeid' versus 'typeof' in C++
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AnTAnT
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How to expire session due to inactivity in Django?
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Here's an idea... Expire the session on browser close with the SESSION_EXPIRE_AT_BROWSER_CLOSE ...
Showing a different background colour in Vim past 80 characters
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If you have Vim >= v7.3, you can simply add this to your .vimrc to highlight 81 and onward (s...
How to get different colored lines for different plots in a single figure?
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Matplotlib does this by default.
E.g.:
import matplotlib.pyplot as plt
import numpy as np
x...
Get event listeners attached to node using addEventListener
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Chrome DevTools, Safari Inspector and Firebug support getEventListeners(node).
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Why does the JVM still not support tail-call optimization?
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How should I read a file line-by-line in Python?
In pre-historic times (Python 1.4) we did:
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.gitignore file, where should I put it in my xcode project?
I want git to ignore my UserInterfaceState.xcuserstate file in my XCode4 project, but where should I put the .gitignore file?, is it inside the .git folder? or out? The .git is in same folder with the ProjectName.xcodeproj file
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
...and rename the model declaration file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rename_table :old_table_name, :new_ta...