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What is the most efficient way to store tags in a database?
...tle:text[]
For more info, see this excellent post by Josh Berkus:
http://www.databasesoup.com/2015/01/tag-all-things.html
There are more various options compared thoroughly for performance and the one suggested above is the best overall.
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Rails: Check output of path helper from console
...; "/posts/3"
app.posts_path
#=> "/posts"
app.posts_url
#=> "http://www.example.com/posts"
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Versioning SQL Server database
...l, I recommend keeping a back up of the database and using Redgate (http://www.red-gate.com/) products to do the comparisons. They don't come cheap, but they are worth every penny.
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Difference between “managed” and “unmanaged”
...resulting in Bytecode).
http://en.wikipedia.org/wiki/Managed_code
http://www.developer.com/net/cplus/article.php/2197621/Managed-Unmanaged-Native-What-Kind-of-Code-Is-This.htm
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When does Java's Thread.sleep throw InterruptedException?
... From Don't swallow interrupts
See the entire paper here:
http://www.ibm.com/developerworks/java/library/j-jtp05236/index.html?ca=drs-
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What's the difference between integer class and numeric class in R
...o append the letter L.
> class(1:5)
[1] "integer"
Reference: https://www.quora.com/What-is-the-difference-between-numeric-and-integer-in-R
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Django: “projects” vs “apps”
...g blog posts very useful about django applications and projects:
http://www.b-list.org/weblog/2006/sep/10/django-tips-laying-out-application/
http://web.archive.org/web/20080302205555/www.pointy-stick.com/blog/2007/11/09/django-tip-developing-without-projects/
In principle, you have a lot of fr...
Bash foreach loop
...ke:
for fn in `cat filenames.txt`; do cat "$fn"; done
Reference: http://www.cyberciti.biz/faq/linux-unix-bash-for-loop-one-line-command/
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how to set desired language in git-gui?
...) Set the LANG environment variable to en.
a) Overall for Windows: http://www.itechtalk.com/thread3595.html
b) For the git shell only:
If you don't want to affect anything else except git applications you might add the following line in the beginning of C:\Program Files\Git\cmd\git.cmd file:
@se...
How can I use “” in javadoc without formatting?
...ype>
<complexContent>
<restriction base="{http://www.w3.org/2001/XMLSchema}anyType">
<sequence>
[...]
This displays as:
<complexType>
<complexContent>
<restriction base="{http://www.w3.org/2001/XMLSchema}anyType">
...