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Run java jar file on a server as background process
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answered Aug 24 '12 at 11:34
Anton BeloglazovAnton Beloglazov
4,02911 gold badge1818 silver badges99 bronze badges
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Why doesn't println! work in Rust unit tests?
...Hidden output")
}
Invoking tests:
% rustc --test main.rs; ./main
running 1 test
test test ... ok
test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured
% ./main --nocapture
running 1 test
Hidden output
test test ... ok
test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured
% cargo tes...
Find rows with multiple duplicate fields with Active Record, Rails & Postgres
...ion
User.select(:first,:email).group(:first,:email).having("count(*) > 1")
Also, this is a little unrelated but handy. If you want to see how times each combination was found, put .size at the end:
User.select(:first,:email).group(:first,:email).having("count(*) > 1").size
and you'll get...
Enable zooming/pinch on UIWebView
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answered Sep 7 '11 at 10:19
JEzuJEzu
2,93911 gold badge1313 silver badges66 bronze badges
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How is this fibonacci-function memoized?
...is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access.
That is what that trick, "going-through-a-list", is exploiting. In normal doubly-recursve Fibonacci def...
SQLAlchemy IN clause
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How about
session.query(MyUserClass).filter(MyUserClass.id.in_((123,456))).all()
edit: Without the ORM, it would be
session.execute(
select(
[MyUserTable.c.id, MyUserTable.c.name],
MyUserTable.c.id.in_((123, 456))
)
).fetchall()
select() takes two parameters...
Difference between del, remove and pop on lists
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11 Answers
11
Active
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Mongodb Explain for Aggregation framework
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174
Starting with MongoDB version 3.0, simply changing the order from
collection.aggregate(...).e...
How to update bower.json with installed packages?
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146
Just list your dependencies:
bower list
Then you should run all install command with param...
Entity Framework - Add Navigation Property Manually
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181
Yup - it's not that straightforward.
Here's what you do:
1 - Right click on the designer, Ad...
