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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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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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if age == 40 and sex =="Male" then
print("男人四十一枝花")
elseif age > 60 and sex ~="Female" then
print("old man without country!")
elseif age < 20 then
io.write("too young, too naive!\n")
else
local ...
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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How to convert a negative number to positive?
How can I convert a negative number to positive in Python? (And keep a positive one.)
6 Answers
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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...
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...
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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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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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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