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How to use filter, map, and reduce in Python 3
.... Use functools.reduce() if you really need it; however, 99 percent of the time an explicit for loop is more readable.
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ASP.NET MVC Html.DropDownList SelectedValue
... @Jess: I wrote this answer in March 2009, over 5 years ago. Times have changed! Feel free to update. :)
– John Feminella
Jul 15 '14 at 2:38
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What is referential transparency?
... gave no lean amount of head ache to logicians and philosophers for a long time. Russell and Quine sorted them out saying that they are not actually "referential", i.e., it is a mistake to think that the above examples are used to refer to entities. The right way to understand "Edinburgh has been ...
Python extract pattern matches
Python 2.7.1
I am trying to use python regular expression to extract words inside of a pattern
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Pandas count(distinct) equivalent
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Interestingly enough, very often len(unique()) is a few times (3x-15x) faster than nunique().
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How to capitalize the first letter of word in a string using Java?
Example strings
25 Answers
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Lists: Count vs Count() [duplicate]
...od has some type check optimizations that can cause it to run also in O(1) time but will degrade to O(N) if the underlying collection is not one of the few types it knows about.
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SQL command to display history of queries
...essed or that they are unordered? And, does the log update it self in real time?
– Drubio
Feb 13 '19 at 11:48
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Can I use git diff on untracked files?
...day-to-day gitting (where I diff the working tree against the HEAD all the time, and would like to have untracked files included in the diff), add -N/--intent-to-add is unusable, because it breaks git stash.
So here's my git diff replacement. It's not a particularly clean solution, but since I rea...
In laymans terms, what does 'static' mean in Java? [duplicate]
...loaded (which is usually just before a class is instantiated for the first time in an application) and (like static methods) cannot access non-static fields or methods.
public class SomeObject {
private static int x;
static {
x = 7;
}
}
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