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What is hashCode used for? Is it unique?
...eful distribution in a
hash table. For uniqueness, the hash code must be based on the value
of an instance field or property instead of a static field or
property.
Objects used as a key in a Hashtable object must also override the
GetHashCode method because those objects must generate t...
Python: Get the first character of the first string in a list?
...t first char) of string.
If you have the following structure:
mylist = ['base', 'sample', 'test']
And want to get fist char for the first one string(item):
myList[0][0]
>>> b
If all first chars:
[x[0] for x in myList]
>>> ['b', 's', 't']
If you have a text:
text = 'b...
Remove a character from the end of a variable
...cludes realpath. For instance, I'm running Linux Mint 17 (which is Ubuntu based) and it doesn't have it by default. It's in the repos, but it's not installed automatically. That's what the link I posted was discussing.
– Matthew
Jul 11 '14 at 13:30
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Pattern to avoid nested try catch blocks?
...mes that Calc1Exception, Calc2Exception, and Calc3Exception share a common base class.
– Wyzard
Oct 17 '11 at 16:18
3
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Remove a JSON attribute [duplicate]
...ects or other values, since they don't have a "key". Arrays use a position based index, which is why you would always access values in an array using integer based indices.
– praneetloke
Apr 1 '18 at 17:16
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How to check BLAS/LAPACK linkage in NumPy and SciPy?
I am builing my numpy/scipy environment based on blas and lapack more or less based on this walk through.
5 Answers
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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...cinctly what the env shebang does, rather than saying "chooses the program based on your system configuration"
– De Novo
Nov 16 '18 at 17:57
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Git commits are duplicated in the same branch after doing a rebase
...
You should not be using rebase here, a simple merge will suffice. The Pro Git book that you linked basically explains this exact situation. The inner workings might be slightly different, but here's how I visualize it:
C5 and C6 are temporarily pull...
How to implement a property in an interface
...
I would vote for the first sentence. But abstract base classes should always be avoided if an interface is enough. So before you know what problem should actually be solve, you shouldn't suggest to create a base class.
– Stefan Steinegger
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What's the difference between Unicode and UTF-8? [duplicate]
...lem.)
If it makes you feel any better about it, ‘ANSI’ strings aren't based on any ANSI standard, either.
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