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Sorting Python list based on the length of the string
...s.sort(key=lambda s: len(s))
This tells the sort method to order based on whatever the key function returns.
EDIT: Thanks to balpha and Ruslan below for pointing out that you can just pass len directly as the key parameter to the function, thus eliminating the need for a lambda:
xs.sort(key=len)
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How do you sort an array on multiple columns?
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I think what you're looking for is thenBy.js: https://github.com/Teun/thenBy.js
It allows you to use the standard Array.sort, but with firstBy().thenBy().thenBy() style.
An example can be seen here.
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Why do you have to call .items() when iterating over a dictionary in Python?
...eve I may have performed, or wanted to perform, 100 times more rarely than what if k in C actually means, checking the presence of the key only and completely ignoring the value.
On the other hand, wanting to loop just on keys is quite common, e.g.:
for k in thedict:
thedict[k] += 1
having t...
Stop setInterval
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Please explain what this code does and how it's related to the question.
– JJJ
Dec 11 '17 at 17:14
add a comment
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Compare integer in bash, unary operator expected
...ut it operates with very few and very simple rules - once you are aware of what those rules are (one of them being how variables work in the shell, as explained above) the shell will have no more secrets for you.
share
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Java regex email
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@T04435 The regex in you link does not escape the DOT. What makes the regex functionally wrong and this also has a serious performance impact
– TomWolk
Jun 2 '16 at 8:57
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Get DOS path instead of Windows path
...--12-10-42------Bulevardul-Petrochimiștilor.jpg") do echo %~sI
I've got what I expected
d:\personal\PH124E~1\2013-P~3\2013-1~1.JPG
Hard link file
In this case
> for %I in ("2013-12-22--12-10-52------Bulevardul-Petrochimiștilor.jpg") do echo %~sI
I've got the normal MsDos path but the n...
How to start working with GTest and CMake
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I'm not sure what the add_test() does, but it doesn't seem to result in the test binary running... Am I missing something?
– weberc2
Mar 29 '15 at 18:46
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Can a class extend both a class and implement an Interface
... that code. With composition you can provide compatibility layer no matter what, whereas with inheritance you can call it at best a hack. And, I stand corrected, adapter would provide better immunity to change.
– Michał Rudnicki
Mar 16 '09 at 22:32
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#ifdef in C#
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#if DEBUG
bool bypassCheck=TRUE_OR_FALSE;//i will decide depending on what i am debugging
#else
bool bypassCheck = false; //NEVER bypass it
#endif
Make sure you have the checkbox to define DEBUG checked in your build properties.
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