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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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Fastest way to implode an associative array with keys
...function. So, if it's not for a URL, is this really faster than array_walk and what if you don't want it encoded?
– e-motiv
Jan 31 '14 at 23:12
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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 ...
jQuery If DIV Doesn't Have Class “x”
... @zuk1: Well, from your snippet, you take all elements with class 'thumb' and do a hover() on each one. Are you saying you want to just do hover on one element? WHat is that one element? I am confused.
– alphadogg
Feb 6 '09 at 14:57
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Saving grid.arrange() plot to file
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grid.arrange draws directly on a device. arrangeGrob, on the other hand, doesn't draw anything but returns a grob g, that you can pass to ggsave(file="whatever.pdf", g).
The reason it works differently than with ggplot objects, where by default the last plot is being saved if not specified, ...