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Int division: Why is the result of 1/3 == 0?
...se returns the true result of division rounded towards zero. The result of 0.333... is thus rounded down to 0 here. (Note that the processor doesn't actually do any rounding, but you can think of it that way still.)
Also, note that if both operands (numbers) are given as floats; 3.0 and 1.0, or eve...
What's the main difference between int.Parse() and Convert.ToInt32
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Oct 13 '08 at 23:53
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How do I create a random alpha-numeric string in C++?
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+100
Mehrdad Afshari's answer would do the trick, but I found it a bit too verbose for this simple task. Look-up tables can sometimes do w...
How do I detect the Python version at runtime? [duplicate]
...check that you are running Python 3.x, use
import sys
if sys.version_info[0] < 3:
raise Exception("Must be using Python 3")
Here, sys.version_info[0] is the major version number. sys.version_info[1] would give you the minor version number.
In Python 2.7 and later, the components of sys.ve...
Pretty printing XML with javascript
...;xsl:output indent="yes"/> instruction:
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output omit-xml-declaration="yes" indent="yes"/>
<xsl:template match="node()|@*">
<xsl:copy>
<xsl:apply-templates select="...
What is the difference between ManualResetEvent and AutoResetEvent in .NET?
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edited Jan 7 '15 at 10:39
Yves M.
24.5k1919 gold badges8989 silver badges118118 bronze badges
answe...
pandas read_csv and filter columns with usecols
...andas as pd
from StringIO import StringIO
csv = r"""dummy,date,loc,x
bar,20090101,a,1
bar,20090102,a,3
bar,20090103,a,5
bar,20090101,b,1
bar,20090102,b,3
bar,20090103,b,5"""
df = pd.read_csv(StringIO(csv),
header=0,
index_col=["date", "loc"],
usecols=["date", "loc", "x"],
...
How to display a dynamically allocated array in the Visual Studio debugger?
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Yes, simple.
say you have
char *a = new char[10];
writing in the debugger:
a,10
would show you the content as if it were an array.
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Cosine Similarity between 2 Number Lists
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180
You should try SciPy. It has a bunch of useful scientific routines for example, "routines for co...
Is there a version of JavaScript's String.indexOf() that allows for regular expressions?
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130
Combining a few of the approaches already mentioned (the indexOf is obviously rather simple), I ...