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How can i get the session object if i have the entity-manager
...yManagerImpl) em.getDelegate()).getSession();
I agree, that's horrible, and the spec is to blame here (not clear enough).
JPA 2.0
With JPA 2.0, there is a new (and much better) EntityManager#unwrap(Class<T>) method that is to be preferred over EntityManager#getDelegate() for new applicati...
How can I obtain an 'unbalanced' grid of ggplots?
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I tried figuring it out with grid and thought I had it down but ended up failing (although looking now at the code in the function I cite below, I can see that I was really close ... :-)
The 'wq' package has a layOut function that will do it for you:
p1 <...
C++ Erase vector element by value rather than by position? [duplicate]
and lets say the values in the vector are this (in this order):
4 Answers
4
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Update multiple columns in SQL
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The "tiresome way" is standard SQL and how mainstream RDBMS do it.
With a 100+ columns, you mostly likely have a design problem... also, there are mitigating methods in client tools (eg generation UPDATE statements) or by using ORMs
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Why do we need the “finally” clause in Python?
...) but it's not a TypeError.
Other control flow statements such as continue and break statements.
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Why does Node.js' fs.readFile() return a buffer instead of string?
...ontent of test.txt (which is on the same folder of the Javascript source) and display it using this code:
6 Answers
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Template function inside template class
... void MyClass<T>::foo() { U a; a.invoke(); } and it works
– Michael
Dec 27 '11 at 1:39
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How to click or tap on a TextView text
...a way to run a method on tapping or clicking a TextView line of text in an Android App.
8 Answers
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Convert xlsx to csv in Linux with command line
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The Gnumeric spreadsheet application comes with a command line utility called ssconvert that can convert between a variety of spreadsheet formats:
$ ssconvert Book1.xlsx newfile.csv
Using exporter Gnumeric_stf:stf_csv
$ cat newfile.csv
Foo,Bar,Baz
1,2,3
123.6,7.89,
2012/05/14...
java.net.URLEncoder.encode(String) is deprecated, what should I use instead?
...tln(
URLEncoder.encode(
"urlParameterString",
java.nio.charset.StandardCharsets.UTF_8.toString()
)
);
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