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T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
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Fantastic function. Could do with using nchar() and nvarchar(). Also see below for suggestion with variable-length delimiter.
– Rory
Oct 17 '09 at 16:47
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Easier way to populate a list with integers in .NET [duplicate]
...le.Range(1, 10).ToList();
The first parameter is the integer to start at and the second parameter is how many sequential integers to include.
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Making git auto-commit
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On Linux you could use inotifywait to automatically execute a command every time a file's content is changed.
Edit: the following command commits file.txt as soon as it is saved:
inotifywait -q -m -e CLOSE_WRITE --format="git commit -m 'autocommit on change' %w" file.txt | sh
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Group by multiple columns in dplyr, using string vector input
I'm trying to transfer my understanding of plyr into dplyr, but I can't figure out how to group by multiple columns.
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Reliable method to get machine's MAC address in C#
...it is running using C#. Application will need to work on XP/Vista/Win7 32 and 64 bit as well as on those OSs but with a foreign language default. Many of the C# commands and OS queries don't work across OS. Any ideas? I have been scraping the output of "ipconfig /all" but this is terribly unreli...
Best practices for SQL varchar column length [closed]
...t into it, not the max length you define. So from a storage point of view (and most probably a performance one as well), it does not make any difference whether you declare a column as VARCHAR(100) or VARCHAR(500).
You should see the max length provided for a VARCHAR column as a kind of constraint...
How does collections.defaultdict work?
...re precisely, it's an arbitrary "callable" object, which includes function and type objects). For the first example, default items are created using int(), which will return the integer object 0. For the second example, default items are created using list(), which returns a new empty list object....
What is the easiest way to initialize a std::vector with hardcoded elements?
I can create an array and initialize it like this:
29 Answers
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Passing by reference in C
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Because you're passing the value of the pointer to the method and then dereferencing it to get the integer that is pointed to.
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Batch renaming files with Bash
... to remove their version numbers? I've been toying around with both expr and %% , to no avail.
10 Answers
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