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Greedy vs. Reluctant vs. Possessive Quantifiers
...leaving the "foo" at the end of the string unmatched). Now, the matcher finally matches the f in the regex, and the o and the next o are matched too. Success!
A reluctant or "non-greedy" quantifier first matches as little as possible. So the .* matches nothing at first, leaving the entire string un...
Microsoft.WebApplication.targets was not found, on the build server. What's your solution?
...
cant we just install MSBuild tools instead of this? microsoft.com/en-us/download/confirmation.aspx?id=40760
– user20358
Dec 8 '14 at 17:05
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What are the big differences between TFVC (TFS Version Control) and Git for source control when usin
...for source control when using VS 2013?
MSDN has a very extensive page on all the features and differences between Team Foundation Version Control and Git.
Is the only benefit in my case a local repository (not saying that's insignificant) and IoS development support?
No, there's lot more, bu...
event.preventDefault() vs. return false
...eturn false from within a jQuery event handler is effectively the same as calling both e.preventDefault and e.stopPropagation on the passed jQuery.Event object.
e.preventDefault() will prevent the default event from occuring, e.stopPropagation() will prevent the event from bubbling up and return f...
Why Would I Ever Need to Use C# Nested Classes [duplicate]
...third parties to create their own subclasses. I have complete control over all the code that runs in any bankaccount object. And all my subclasses can share implementation details via the base class.
share
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Can you call Directory.GetFiles() with multiple filters?
...er,
var files = Directory.EnumerateFiles("C:\\path", "*.*", SearchOption.AllDirectories)
.Where(s => s.EndsWith(".mp3") || s.EndsWith(".jpg"));
For earlier versions of .NET,
var files = Directory.GetFiles("C:\\path", "*.*", SearchOption.AllDirectories)
.Where(s => ...
Check if all elements in a list are identical
... = next(iterator)
except StopIteration:
return True
return all(first == rest for rest in iterator)
One-liner:
def checkEqual2(iterator):
return len(set(iterator)) <= 1
Also one-liner:
def checkEqual3(lst):
return lst[1:] == lst[:-1]
The difference between the 3 versi...
What are the benefits of functional programming? [closed]
...bel refers to a version of this array where this function has been done on all the elements."
Functional programming moves more basic programming ideas into the compiler, ideas such as list comprehensions and caching.
The biggest benefit of Functional programming is brevity, because code can be mo...
Should I use 'has_key()' or 'in' on Python dicts?
...ivalent semantically, but performance-wise the latter is much slower (O(n) vs O(1)). I've seen people do the "in dict.keys()" thinking it's more explicit & therefore better.
– Adam Parkin
Nov 9 '11 at 20:55
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How do I find numeric columns in Pandas?
Let's say df is a pandas DataFrame.
I would like to find all columns of numeric type.
Something like:
11 Answers
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