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Common elements comparison between 2 lists
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+1 but personally I'd used frozenset as it's immutable and so can be used as dictionary key etc
– zebrabox
May 19 '10 at 11:04
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Checking if all elements in a list are unique
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Not the most efficient, but straight forward and concise:
if len(x) > len(set(x)):
pass # do something
Probably won't make much of a difference for short lists.
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How to use ADB Shell when Multiple Devices are connected? Fails with “error: more than one device an
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Use the -s option BEFORE the command to specify the device, for example:
adb -s 7f1c864e shell
See also http://developer.android.com/tools/help/adb.html#directingcommands
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Correct use of flush() in JPA/Hibernate
...formation about the flush() method, but I'm not 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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Finding the id of a parent div using Jquery
... really like closest because you can do something like .closest("div.foo") and code is not tied to the structure.
– Mark
Feb 13 '09 at 15:10
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How to merge lists into a list of tuples?
...d I create [(1,5), (1,6), (1,7), (1,8), (2,5), (2,6) ,so on] using zip command?
– Mona Jalal
May 30 '16 at 4:39
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how to get program files x86 env variable?
... like to know how I can display the location of Program Files (x86) in command prompt. I'm using Windows 7 64bit.
4 Answer...
What's the opposite of head? I want all but the first N lines of a file
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@Nicholas: Weird, I figured it would be standard documentation regardless of the OS. I pulled that from Cygwin inside Windows, so I don't know what it looks like in various Linux distros. Glad it worked.
– Joe Enos
Aug 18 '10 ...
Android canvas draw rectangle
how to draw empty rectangle with etc. borderWidth=3 and borderColor=black and part within rectangle don't have content or color. Which function in Canvas to use
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is vs typeof
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This should answer that question, and then some.
The second line, if (obj.GetType() == typeof(ClassA)) {}, is faster, for those that don't want to read the article.
(Be aware that they don't do the same thing)
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