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How to combine two jQuery results
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@Faust For those familiar with set operations, AND and UNION are very different.
– ricksmt
Jul 15 '15 at 18:03
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MySQL: ignore errors when importing?
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Use the --force (-f) flag on your mysql import. Rather than stopping on the offending statement, MySQL will continue and just log the errors to the console.
For example:
mysql -u userName -p -f -D dbName < script.sql
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Dump a mysql database to a plaintext (CSV) backup from the command line
I'd like to avoid mysqldump since that outputs in a form that is only convenient for mysql to read. CSV seems more universal (one file per table is fine). But if there are advantages to mysqldump, I'm all ears. Also, I'd like something I can run from the command line (linux). If that's a mysql s...
How does one reorder columns in a data frame?
...This is ok when you have a limited number of columns, but what if you have for example 50 columns, it would take too much time to type all column numbers or names. What would be a quicker solution?
– Herman Toothrot
Aug 30 '13 at 12:01
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vim repeat find next character 'x'
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Is there a useful reason you can't use . for this? That was the command I expected to work.
– Daniel Kaplan
Mar 20 '15 at 22:58
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Correct way to populate an Array with a Range in Ruby
...ted Jun 24 '15 at 10:56
Waiting for Dev...
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answered Jul 5 '11 at 18:22
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How to change a PG column to NULLABLE TRUE?
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Compiler error: memset was not declared in this scope
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Whevever you get a problem like this just go to the man page for the function in question and it will tell you what header you are missing, e.g.
$ man memset
MEMSET(3) BSD Library Functions Manual MEMSET(3)
NAME
memset -- fill a byte string with a ...
How can strings be concatenated?
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The easiest way would be
Section = 'Sec_' + Section
But for efficiency, see: https://waymoot.org/home/python_string/
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
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Taken from Using FOREIGN KEY Constraints
Foreign key relationships involve a parent table that holds the
central data values, and a child table with identical values pointing
back to its parent. The FOREIGN KEY clause is specified in ...