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One-line list comprehension: if-else variants
...or x in seq if COND ]
Without a filter you need:
[ EXP for x in seq ]
and in your second example, the expression is a "complex" one, which happens to involve an if-else.
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How do I check if a number is a palindrome?
...this on an interview because the point would be to determine if you understand modulo.
– Robert Noack
Oct 29 '13 at 4:39
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Simple explanation of MapReduce?
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Going all the way down to the basics for Map and Reduce.
Map is a function which "transforms" items in some kind of list to another kind of item and put them back in the same kind of list.
suppose I have a list of numbers: [1,2,3] and I want to double every number, ...
Checking if an instance's class implements an interface?
... "yes";
}
You can use the "instanceof" operator. To use it, the left operand is a class instance and the right operand is an interface. It returns true if the object implements a particular interface.
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Capistrano - clean up old releases
Usually when using capistrano, I will go and manually delete old releases from a deployed application. I understand that you can run cap deploy:cleanup but that still leaves 5 releases. Is this it's intended purpose? Is there another way to cleanup old releases to just 1 previous deploy?
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What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
...is with angular) but Amos has a function that outputs a string immediately and isn't affected by these problems: stackoverflow.com/a/11315561/1403755
– TorranceScott
Aug 14 '14 at 21:38
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Access multiple elements of list knowing their index
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I have benchmarked the non numpy options and itemgetter appears to be the fastest, even slightly faster than simply typing out the desired indexes inside parentheses, using Python 3.44
– ragardner
Oct 16 '17 at 9:42
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Custom attributes in styles.xml
I have created a custom widget, and I'm declaring it in layout.xml. I have also added some custom attributes in attr.xml. However, when trying to declare these attributes in a style in styles.xml, it's giving me No resource found that matches the given name: attr 'custom:attribute'.
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How to detect that animation has ended on UITableView beginUpdates/endUpdates?
... @MrVincenzo Did you set the completionBlock before beginUpdates and endUpdates like in the snippet?
– Rudolf Adamkovič
Feb 19 '13 at 15:11
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How to increase storage for Android Emulator? (INSTALL_FAILED_INSUFFICIENT_STORAGE)
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Update
This answer is, as I write this, nearly eight years old, and about five years stale. But it's still (as I write this) the "accepted" answer, because it answered the question when it was asked.
The newer answer, that applies to the newer Android Studio tools, can be found here: htt...