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Postgresql: Scripting psql execution with password
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the idea that command line information is "available to all users" is based on antiquated assumptions about multi-user systems and does not apply in most modern environments where systems just run a single application and it's al...
Reset AutoIncrement in SQL Server after Delete
...t doesn't cover cleanup after data is deleted (re-using id's - often a bad idea). Verified on SQL 2008
– user423430
Dec 5 '14 at 19:37
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How to simulate a higher resolution screen? [closed]
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Some ideas:
Use browser zoom, 1024x768 50% zoom = 2048x1536 simulated resolution, I know Chrome resizes images and the like. Things become hard to read, but I'm assuming you're testing placement and such.
Also you can use some s...
What's the function like sum() but for multiplication? product()?
...h is easy).
Pronouncement on prod()
Yes, that's right. Guido rejected the idea for a built-in prod() function because he thought it was rarely needed.
Alternative with reduce()
As you suggested, it is not hard to make your own using reduce() and operator.mul():
from functools import reduce # Requi...
JQuery .each() backwards
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I like this idea/code too, but it doesn't return a chainable object (that is reversed) like the higher-voted answers :) Still, definitely a good method for the way it's setup
– Ian
Aug 17 '13 at 18:...
What is the difference between UTF-8 and Unicode?
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We've got lots of languages with lots of characters that computers should ideally display. Unicode assigns each character a unique number, or code point.
Computers deal with such numbers as bytes... skipping a bit of history here and ignoring memory addressing issues, 8-bit computers would treat a...
Calling Objective-C method from C++ member function?
...iate MyClass in MyClassImpl's constructor, but that generally isn't a good idea. The MyClass instance is destructed from MyClassImpl's destructor. As with the C-style implementation, the wrapper methods simply defer to the respective methods of MyClass.
MyCPPClass.h (PIMPL)
#ifndef __MYCPP_CLASS...
Cannot refer to a non-final variable inside an inner class defined in a different method
... }
}
Seems like probably you could do a better design than that, but the idea is that you could group the updated variables inside a class reference that doesn't change.
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How to determine if an NSDate is today?
...rst one? I hadn't really thought about that, but it also seems like a good idea.
– David Kanarek
Dec 5 '12 at 11:59
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How to print the contents of RDD?
...is to use collect():
myRDD.collect().foreach(println)
That's not a good idea, though, when the RDD has billions of lines. Use take() to take just a few to print out:
myRDD.take(n).foreach(println)
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