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What's the difference between %s and %d in Python string formatting?
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190
They are used for formatting strings. %s acts a placeholder for a string while %d acts as a plac...
How does UTF-8 “variable-width encoding” work?
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130
Each byte starts with a few bits that tell you whether it's a single byte code-point, a multi-by...
'npm' is not recognized as internal or external command, operable program or batch file
...completely new to nodejs. I am trying to get nodejs to work on my Windows 2008 box in order to install Karma which I would use for TDDing my AngularJs code. I have done the following steps so far
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How to activate virtualenv?
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answered Jan 30 '13 at 14:27
topherjaynestopherjaynes
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Could not reserve enough space for object heap
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answered Dec 9 '10 at 17:48
BozhoBozho
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How to calculate the running time of my program? [duplicate]
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edited Jan 26 '18 at 23:03
answered Mar 5 '11 at 13:26
sn...
How do I run Visual Studio as an administrator by default?
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790
Copied and pasted from here, the Using Advanced Properties section. This will allow you to alway...
How does one reorder columns in a data frame?
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edited Apr 29 '16 at 16:00
Braiam
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answered S...
Detecting an “invalid date” Date instance in JavaScript
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} else {
// date is valid
}
} else {
// not a date
}
Update [2018-05-31]: If you are not concerned with Date objects from other JS contexts (external windows, frames, or iframes), this simpler form may be preferred:
function isValidDate(d) {
return d instanceof Date && !isNaN...
How can I check if a view is visible or not in Android? [duplicate]
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answered Sep 24 '10 at 23:20
WilliamWilliam
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