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Read first N lines of a file in python
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249
Python 2
with open("datafile") as myfile:
head = [next(myfile) for x in xrange(N)]
print h...
Using global variables in a function
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4346
You can use a global variable within other functions by declaring it as global within each fu...
What did MongoDB not being ACID compliant before v4 really mean?
...gative things that can happen if you use an old MongoDB version prior to v4 , which were not ACID compliant. This applies to any ACID noncompliant database.
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What is the difference between Scala's case class and class?
I searched in Google to find the differences between a case class and a class . Everyone mentions that when you want to do pattern matching on the class, use case class. Otherwise use classes and also mentioning some extra perks like equals and hash code overriding. But are these the only reasons...
Xml Namespace breaking my xpath! [duplicate]
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Patrick from NDepend team
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answered Mar 9 '11 at 3:46
Dimitre NovatchevDimitr...
How to convert ‘false’ to 0 and ‘true’ to 1 in Python
Is there a way to convert true of type unicode to 1 and false of type unicode to 0 (in Python)?
7 Answers
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Difference between Property and Field in C# 3.0+
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Mark IngramMark Ingram
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Why does volatile exist?
What does the volatile keyword do? In C++ what problem does it solve?
18 Answers
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What __init__ and self do on Python?
...rst parameter to the __init__ method. Any additional parameters (e.g., A(24, 'Hello')) will also get passed as arguments--in this case causing an exception to be raised, since the constructor isn't expecting them.
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Check if a Windows service exists and delete in PowerShell
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14 Answers
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