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What is the difference between LR, SLR, and LALR parsers?
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+100
SLR, LALR and LR parsers can all be implemented using exactly the same table-driven machinery.
Fundamentally, the parsing algorit...
Array.push() if does not exist?
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114
You could extend the Array prototype with a custom method:
// check if an element exists in a...
Equivalent of String.format in jQuery
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194
The source code for ASP.NET AJAX is available for your reference, so you can pick through it a...
How do I access the host machine from the guest machine? [closed]
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133
On the XP machine, find your IP address by going to the command prompt and typing ipconfig. Tr...
Link to the issue number on GitHub within a commit message
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991
Just include #xxx in your commit message to reference an issue without closing it.
With new Git...
Position of least significant bit that is set
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170
Bit Twiddling Hacks offers an excellent collection of, er, bit twiddling hacks, with performan...
What is the Python equivalent of static variables inside a function?
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A bit reversed, but this should work:
def foo():
foo.counter += 1
print "Counter is %d" % foo.counter
foo.counter = 0
If you want the counter initialization code at the top instead of the bottom, you can create a decorator:
def static_vars(**kwargs):
def decorate(func):
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Python unittests in Jenkins?
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174
sample tests:
tests.py:
# tests.py
import random
try:
import unittest2 as unittest
exce...