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Find duplicate lines in a file and count how many time each line was duplicated?
...at should do the trick in O(n) * avg_line_len. Does anyone know such a commandline tool?
– Droggl
Nov 20 '13 at 17:27
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How to convert an xml string to a dictionary?
...ntTree.XML(xml_string)
>>> xmldict = XmlDictConfig(root)
And then use xmldict for what it is... a dict.
'''
def __init__(self, parent_element):
if parent_element.items():
self.update(dict(parent_element.items()))
for element in parent_element:
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Saving interactive Matplotlib figures
Is there a way to save a Matplotlib figure such that it can be re-opened and have typical interaction restored? (Like the .fig format in MATLAB?)
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Why not use java.util.logging?
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Disclaimer: I am the founder of log4j, SLF4J and logback projects.
There are objective reasons for preferring SLF4J. For one, SLF4J allows the end-user the liberty to choose the underlying logging framework. In addition, savvier users tend to prefer logback which offe...
Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
I've just started learning Ruby and Ruby on Rails and came across validation code that uses ranges:
5 Answers
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What is the difference between currying and partial application?
...rn value is a closure of lambda(z){z(x(y))} with passed-in the values of x and y to f(x,y).
One way to use partial application is to define functions as partial applications of generalized functions, like fold:
function fold(combineFunction, accumulator, list) {/* ... */}
function sum = curry...
Make $JAVA_HOME easily changable in Ubuntu [closed]
In Ubuntu, I'd like to switch my JAVA_HOME environment variable back and forth between Java 5 and 6.
8 Answers
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The Concept of 'Hold space' and 'Pattern space' in sed
I'm confused by the two concepts in sed: hold space and pattern space. Can someone help explain them?
3 Answers
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What is the difference between a cer, pvk, and pfx file?
What is the difference between a cer, pvk, and pfx file? Also, which files do I keep and which am I expected to give to my counter-parties?
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Modulo operation with negative numbers
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Should the compiler be smart enough and detect that an unsigned modulo another unsigned is always positive? Currently (well, GCC 5.2) the compiler seems to think that "%" returns an "int" in this case, rather than "unsigned" even when both operands are uint32_...