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What is Ruby's double-colon `::`?
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In C#, for instance, yes. On the other hand C++ (and Ruby) use :: for namespace resolution such as std::cout << "Hello World!";
– Jerry Fernholz
Jun 9 '10 at 20:29
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How to drop SQL default constraint without knowing its name?
...ver, I know the query to check if a default constraint exists for a column and drop a default constraint is:
14 Answers
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Anyway to prevent the Blue highlighting of elements in Chrome when clicking quickly?
Most of the time I'm not worried about it but I have an image carousel and if I click on the next and previous divs quickly, they will be highlighted in Chrome.
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Transposing a NumPy array
I use Python and NumPy and have some problems with "transpose":
16 Answers
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Best data type for storing currency values in a MySQL database
...al(19,4) usually works pretty well in most cases. You can adjust the scale and precision to fit the needs of the numbers you need to store. Even in SQL Server, I tend not to use "money" as it's non-standard.
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What is the meaning of #XXX in code comments?
...have seen this a lot in code, even vim marks it as a special case. #TODO and #FIXME are two other fix markers vim highlights but what does #XXX mean?
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Setting Environment Variables for Node to retrieve
I'm trying to follow a tutorial and it says:
16 Answers
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In MySQL, how to copy the content of one table to another table within the same database?
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If table1 is large and you don't want to lock it for the duration of the copy process, you can do a dump-and-load instead:
CREATE TABLE table2 LIKE table1;
SELECT * INTO OUTFILE '/tmp/table1.txt' FROM table1;
LOAD DATA INFILE '/tmp/table1.txt...
How to effectively work with multiple files in Vim
I've started using Vim to develop Perl scripts and am starting to find it very powerful.
28 Answers
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Add comma to numbers every three digits
... Works perfectly! Thanks to Paul Creasey for simply, elegant code and thanks to Doug Neiner for putting it in plugin format. Credit given to both.
– Steve
Jan 2 '10 at 4:31
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