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How to Correctly Use Lists in R?
...ate the 'switch' statement in C++, Java, etc. in languages that don't have one; probably a good way to do this in R when i need to). +1
– doug
Jan 12 '10 at 23:30
8
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Which version of PostgreSQL am I running?
... @Timo, this is a query to be run through PostgreSQL. This could be done through pgAdmin, or any other mechanism for running a query. Were you trying to run it from an Ubuntu shell? (this won't work)
– Highly Irregular
Jul 10 '14 at 2:31
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Pandas DataFrame column to list [duplicate]
...Output:
[1, 3, 5, 7, 4, 5, 6, 4, 7, 8, 9]
To drop duplicates you can do one of the following:
>>> df['a'].drop_duplicates().to_list()
[1, 3, 5, 7, 4, 6, 8, 9]
>>> list(set(df['a'])) # as pointed out by EdChum
[1, 3, 4, 5, 6, 7, 8, 9]
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Is unsigned integer subtraction defined behavior?
I have come across code from someone who appears to believe there is a problem subtracting an unsigned integer from another integer of the same type when the result would be negative. So that code like this would be incorrect even if it happens to work on most architectures.
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uppercase first character in a variable with bash
... Despite being more complex than the best scored answer, this one actually does exactly that: 'uppercase first character in a variable'. Best scored answer does not have that results. Looks like simple answers are upvoted more willingly than the correct ones?
– Krz...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
... going to make the biggest difference (not choosing between HTML and JSON)
One thing that could be taken into consideration, though, is what resources you'll need on the client to recreate the HTML (or the DOM structure) from the JSON data... compare that to pushing a portion of HTML into the page ;...
One or more types required to compile a dynamic expression cannot be found. Are you missing referenc
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@Geoyws One word: ReSharper.
– user2864740
Feb 10 '15 at 18:00
3
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Export and Import all MySQL databases at one time
...them at the same time and again import all of them into my MySQL server at one time. How can I do that?
10 Answers
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Git fast forward VS no fast forward merge
...you still want sometimes to have each commit in the mainline correspond to one feature. So you treat a feature branch with a bunch of commits as a single unit, and merge them as a single unit. It is clear from your history when you do feature branch merging with --no-ff.
If you do not care about su...
How to fully clean bin and obj folders within Visual Studio?
... This is by far the easiest solution to implement and gets the job done without any external plugins
– tomoguisuru
Aug 15 '13 at 20:02
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