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How to choose the id generation strategy when using JPA and Hibernate
...the insert statement execution. This strategy is only supported on Oracle 10g drivers targeted for JDK 1.4. Comments on these insert statements are disabled due to a bug in the Oracle drivers.
If you are building a simple application with not much concurrent users, you can go for increment, identit...
return statement vs exit() in main()
...g exit over return.
http://groups.google.com/group/gnu.gcc.help/msg/8348c50030cfd15a
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Making code internal but available for unit testing from other projects
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207
If you're using .NET, the InternalsVisibleTo assembly attribute allows you to create "friend" a...
“git rm --cached x” vs “git reset head -- x”?
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220
There are three places where a file, say, can be - the tree, the index and the working copy. Whe...
What is the difference between native code, machine code and assembly code?
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edited Aug 8 '10 at 12:35
answered Aug 8 '10 at 12:14
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Converting from longitude\latitude to Cartesian coordinates
...S-84 assumes the Earth is an ellipsoid, but I believe you only get about a 0.5% average error using an approach like the "Haversine Formula", which may be an acceptable amount of error in your case. You will always have some amount of error unless you're talking about a distance of a few feet and e...
javac : command not found
...he OpenJDK Development Environment. You can install java-devel or java-1.6.0-openjdk-devel, which both include javac.
By the way: you can find out which package provides javac with a yum search, e.g.
su -c 'yum provides javac'
on more recent releases of CentOS e.g. 6 the command changes to
su -...
Assign output of a program to a variable using a MS batch file
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One way is:
application arg0 arg1 > temp.txt
set /p VAR=<temp.txt
Another is:
for /f %%i in ('application arg0 arg1') do set VAR=%%i
Note that the first % in %%i is used to escape the % after it and is needed when using the above code in a b...
How to vertically center a div for all browsers?
...nd Safari.
.outer {
display: table;
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
}
.middle {
display: table-cell;
vertical-align: middle;
}
.inner {
margin-left: auto;
margin-right: auto;
width: 400px;
/*whatever width you want*/
}...
How to paginate with Mongoose in Node.js?
...from a .find() call? I would like a functionality comparable to "LIMIT 50,100" in SQL.
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