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How can i get the session object if i have the entity-manager
...() for new applications.
So with Hibernate as JPA 2.0 implementation (see 3.15. Native Hibernate API), you would do:
Session session = entityManager.unwrap(Session.class);
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Select rows of a matrix that meet a condition
...can define a column by name:
m[m[, "three"] == 11,]
Or by number:
m[m[,3] == 11,]
Note that if only one row matches, the result is an integer vector, not a matrix.
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Comparing Haskell's Snap and Yesod web frameworks
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Full disclosure: I'm one of the lead developers of Snap.
First of all, let's talk about what S...
How to get the path of the batch script in Windows?
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edited Dec 3 '18 at 10:36
jurl
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How do I iterate over a range of numbers defined by variables in Bash?
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for i in $(seq 1 $END); do echo $i; done
edit: I prefer seq over the other methods because I c...
How to check if a given directory exists in Ruby
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Totor
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answered Jul 6 '09 at 3:12
EmilyEmily
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Difference between single and double quotes in Bash
... echo '$(echo "upg")'
$(echo "upg")
The Bash manual has this to say:
3.1.2.2 Single Quotes
Enclosing characters in single quotes (') preserves the literal value of each character within the quotes. A single quote may not occur between single quotes, even when preceded by a backslash.
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Convert to absolute value in Objective-C
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edited Jan 20 '13 at 10:47
answered Jan 17 '11 at 19:39
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Differences between “java -cp” and “java -jar”?
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answered Aug 12 '12 at 13:59
Andreas DolkAndreas Dolk
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How do I run Asynchronous callbacks in Playground
...will eventually terminate the playground after a timeout which defaults to 30 seconds, but which can be configured if you open the assistant editor and show the timeline assistant; the timeout is in the lower-right.
For example, in Swift 3 (using URLSession instead of NSURLConnection):
import UIKi...