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python pandas remove duplicate columns
...n groups.items():
dcols = frame[v].to_dict(orient="list")
vs = dcols.values()
ks = dcols.keys()
lvs = len(vs)
for i in range(lvs):
for j in range(i+1,lvs):
if vs[i] == vs[j]:
dups.append(ks[i])
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Ruby on Rails patterns - decorator vs presenter
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I suggest you to check this - Exhibit vs Presenter.
Decorator is a design pattern that is used to extend the functionality of a specific object by wrapping it, without effecting other instances of that object. In general, the decorator pattern is an example of t...
jQuery .live() vs .on() method for adding a click event after loading dynamic html
...eat explanation! I've never before been able to wrap my head around live() vs. on() but tonight I decided yet again to try, and your explanation immediately revealed what I had been missing all along. Thanks!
– MikeSchinkel
May 19 '13 at 6:20
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Subqueries vs joins
I refactored a slow section of an application we inherited from another company to use an inner join instead of a subquery like:
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Edit and Continue: “Changes are not allowed when…”
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community wiki
5 revs, 2 users 71%nightcoder
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Stop Visual Studio from mixing line endings in files
...RLF instead of the line ending format of the original file. How can I stop VS from doing this? Any half decent editor should have this capability.
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Fluent Validation vs. Data Annotations [closed]
What are the operative differences between these two validation packages when used for ASP.NET MVC validatation? They seem to have similar objects, all the way to their object names. Is one related to another? What are their differences? In what way do these differences denote different use cases?
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C# loop - break vs. continue
...use break, or continue. This is what helps me remember:
When to use break vs continue?
Break - it's like breaking up. It's sad, you guys are parting. The loop is exited.
Continue - means that you're gonna give today a rest and sort it all out tomorrow (i.e. skip the current iteration)!
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Remove all elements contained in another array
... === toRemove[j].name)){
myArray.splice(i, 1);
}
}
}
alert(JSON.stringify(myArray));
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np.mean() vs np.average() in Python NumPy?
I notice that
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