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Quickest way to compare two generic lists for differences
...an this, but even this will be vastly faster than your O(N * M) approach.
If you want to combine these, you could create a method with the above and then a return statement:
return !firstNotSecond.Any() && !secondNotFirst.Any();
One point to note is that there is a difference in results ...
In Python, how do I split a string and keep the separators?
...org/library/re.html#re.split: "Split string by the occurrences of pattern. If capturing parentheses are used in pattern, then the text of all groups in the pattern are also returned as part of the resulting list."
– Vinay Sajip
Jan 25 '10 at 23:54
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Floating point vs integer calculations on modern hardware
... processor to processor (even within the same family such as x86) because different processors have different "pipeline" lengths. Also, some operations are generally very simple (such as addition) and have an accelerated route through the processor, and others (such as division) take much, much lon...
How can I assign an ID to a view programmatically?
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Android id overview
An Android id is an integer commonly used to identify views; this id can be assigned via XML (when possible) and via code (programmatically.) The id is most useful for getting references for XML-defined Views generated by an Inflater (such as by using setContentView.)
Assig...
Annotating text on individual facet in ggplot2
...p + geom_text(data = ann_text,label = "Text")
It should work without specifying the factor variable completely, but will probably throw some warnings:
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Save file to specific folder with curl command
...shell script, I want to download a file from some URL and save it to a specific folder. What is the specific CLI flag I should use to download files to a specific folder with the curl command, or how else do I get that result?
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How can I round to whole numbers in JavaScript?
...for inserting it -- it made starting out on SO a lot more fun to have the fifth answer I ever wrote get as many votes as this one did, which was surely due to the link. :-)
– hmakholm left over Monica
Oct 3 '13 at 18:17
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Find the max of two or more columns with pandas
....max(axis=1)
>>> df
A B C
0 1 -2 1
1 2 8 8
2 3 1 3
If you know that "A" and "B" are the only columns, you could even get away with
>>> df["C"] = df.max(axis=1)
And you could use .apply(max, axis=1) too, I guess.
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nginx: send all requests to a single html page
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Note -- this will first check for the file requested, and if it's not there, it will serve base.html. So make sure that you've got no old extra files sitting around in your document root directory, or they'll get served directly if queried.
– Alex Howansky
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In Django, how does one filter a QuerySet with dynamic field lookups?
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A simplified example:
In a Django survey app, I wanted an HTML select list showing registered users. But because we have 5000 registered users, I needed a way to filter that list based on query criteria (such as just people who co...