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How to get last N records with activerecord?
...y had trouble with first. In SQL the order isn't guaranteed unless you specify it, but MySQL is more forgiving.
– Ghoti
Jul 15 '12 at 10:56
5
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Detect when an HTML5 video finishes
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Why do you check if e exists?
– Allan Stepps
Aug 7 '13 at 0:12
3
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How to initialize a list of strings (List) with many string values
...del have more correct answers imo. No need to pass in another new anything if you initialize with { }
– Don Cheadle
Mar 2 '16 at 17:28
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How to have no pagebreak after \include in LaTeX
...not needed for a final version, is to use includes only in the draft:
\newif\ifdraft\drafttrue
or
\newif\ifdraft\draftfalse
\ifdraft
\include{...}
\fi
\ifdraft
\include{file}
\else
\input{file}
\fi
The first line can be easily appended by a makefile, to make draft or production version...
Removing double quotes from variables in batch file creates problems with CMD environment
...n. With " as the old and nothing as the new, the quotes are removed, even if they are in the middle, even if they are unbalanced.
– Jesse Chisholm
Feb 12 '15 at 15:33
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Useful example of a shutdown hook in Java?
...oolean) "keepRunning" to false
(Optionally, .interrupt the working threads if they wait for data in some blocking call)
Wait for the working threads (executing writeBatch in your case) to finish, by calling the Thread.join() method on the working threads.
Terminate the program
Some sketchy code:
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Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]
...
In most cases: rename your project file 'serial.py' and delete serial.pyc if exists, then you can do simple 'import serial' without attribute error.
Problem occurs when you import 'something' when your python file name is 'something.py'.
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Vim - how to run a command immediately when starting vim?
...plugins*
5. Set 'shellpipe' and 'shellredir'
6. Set 'updatecount' to zero, if "-n" command argument used
7. Set binary options
8. Perform GUI initializations
9. Read the viminfo file
10. Read the quickfix file
11. Open all windows
12. Execute startup commands
As you can see, your .vimrc will be lo...
Can't connect to MySQL server error 111 [closed]
...y means that your MySQL server is only listening the localhost interface.
If you have lines like this :
bind-address = 127.0.0.1
In your my.cnf configuration file, you should comment them (add a # at the beginning of the lines), and restart MySQL.
sudo service mysql restart
Of course, to do t...
How do I remove background-image in css?
... W3C Recommendation on CSS 3 Selectors > Calculating a selector's specificity w3.org/TR/css3-selectors/#specificity
– TarranJones
May 9 '16 at 13:01
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