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How to truncate a foreign key constrained table?
...orphaned foreign keys (restore data integrity) http://stackoverflow.com/a/12085689/997776
– SandorRacz
Feb 4 '15 at 13:26
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How do you set a default value for a MySQL Datetime column?
...--+
| str | ts |
+------+---------------------+
| demo | 2008-10-03 22:59:52 |
+------+---------------------+
1 row in set (0.00 sec)
mysql>
**CAVEAT: IF you define a column with CURRENT_TIMESTAMP ON as default, you will need to ALWAYS specify a value for this column or the ...
What does the unary plus operator do?
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answered Apr 7 '09 at 20:45
Jeffrey HantinJeffrey Hantin
32.7k77 gold badges6868 silver badges8989 bronze badges
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Increase heap size in Java
I am working on a Windows 2003 server (64-bit) with 8 GB RAM. How can I increase the heap memory maximum? I am using the -Xmx1500m flag to increase the heap size to 1500 Mb. Can I increase the heap memory to 75% of physical memory (6 GB Heap)?
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Reading a delimited string into an array in Bash
...quoted strings
– Dave
Oct 21 '15 at 20:13
4
@Tino No. When line='*', read -a arr <<<$l...
How do I make a column unique and index it in a Ruby on Rails migration?
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answered Sep 19 '09 at 20:39
ndpndp
19.3k44 gold badges3232 silver badges4848 bronze badges
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Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
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Randy SwansonRandy Swanson
1,20411 gold badge99 silver badges44 bronze badges
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How do you round a float to two decimal places in jruby
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204
sprintf('%.2f', number) is a cryptic, but very powerful way of formatting numbers. The result...
UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 20: ordinal not in rang
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answered Aug 20 '14 at 10:13
Max KorolevskyMax Korolevsky
2,33311 gold badge88 silver badges22 bronze badges
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Excel VBA App stops spontaneously with message “Code execution has been halted”
... it. Great answer.
– The_Barman
Mar 20 '13 at 9:45
4
This helped me a lot. This answer deserved 1...