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Best way to make Java's modulus behave like it should with negative numbers?
...ase in computer languages because not all programmers are mathematicians. My two cents, I would consider it a design defect of the language, but you can't change it now.
=MOD(-4,180) = 176
=MOD(176, 180) = 176
because 180 * (-1) + 176 = -4 the same as 180 * 0 + 176 = 176
Using the clock example ...
Difference between subprocess.Popen and os.system
...e of how to replace os.system() with subprocess.Popen():
sts = os.system("mycmd" + " myarg")
...does the same thing as...
sts = Popen("mycmd" + " myarg", shell=True).wait()
The "improved" code looks more complicated, but it's better because once you know subprocess.Popen(), you don't need anyt...
What is the best way to remove accents (normalize) in a Python unicode string?
... Windows Code Page encoding, and that included bytes >127. I'll change my function in order to remove the conversion to unicode: it will bomb more clearly if a non-unicode string is passed.
– MiniQuark
Jun 11 '13 at 10:11
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How can I get the current language in Django?
...erated to -3, but I think the question is vague - "the current language of my web". Not your fault for guessing this means OS.
– mikemaccana
Oct 25 '11 at 12:34
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How do I scroll the UIScrollView when the keyboard appears?
I'm having trouble with my code. I'm trying to move the UIScrollView when I'm editing an UITextField that should be hidden by the keyboard pop.
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Node.js or Erlang
...lly go for Erlang, I'll admit that I'm a little biased against JavaScript. My advice is that you evaluate few points:
Are you reusing existing code in either of those languages (both in terms of source code, and programmer experience!)
Do you need/want on-the-fly updates without stopping the appli...
When should I use ugettext_lazy?
...at's more understandable than the explanation at Django's documentation in my opinion. Thanks @Bernhard.
– Utku
Aug 2 '12 at 23:01
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Get records with max value for each group of grouped SQL results
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There's a super-simple way to do this in mysql:
select *
from (select * from mytable order by `Group`, age desc, Person) x
group by `Group`
This works because in mysql you're allowed to not aggregate non-group-by columns, in which case mysql just returns the first...
Correct use of flush() in JPA/Hibernate
... quite clear when to use it and how to use it correctly. From what I read, my understanding is that the contents of the persistence context will be synchronized with the database, i. e. issuing outstanding statements or refreshing entity data.
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REST Complex/Composite/Nested Resources [closed]
I'm trying to wrap my head around the best way to address concepts in a REST based API. Flat resources that don't contain other resources are no problem. Where I'm running into trouble are the complex resources.
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