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Access an arbitrary element in a dictionary in Python
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On Python 3, non-destructively and iteratively:
next(iter(mydict.values()))
On Python 2, non-destructively and iteratively:
mydict.itervalues().next()
If you want it to work in both Python 2 and 3, you can use the six package:
six.next(six.itervalue...
What is the difference between “ is None ” and “ ==None ”
...o quote:
A class is free to implement
comparison any way it chooses, and it
can choose to make comparison against
None mean something (which actually
makes sense; if someone told you to
implement the None object from
scratch, how else would you get it to
compare True against itself...
How do I resolve a HTTP 414 “Request URI too long” error?
...ried using POST at first, but this is an update operation on the database, and I am refreshing the orginal page using the values that were originally posted to that page.
– JPro
May 23 '10 at 12:42
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Java List.contains(Object with field value equal to x)
...at has a field with a certain value. Now, I could use a loop to go through and check, but I was curious if there was anything more code efficient.
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Detecting when the 'back' button is pressed on a navbar
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- (BOOL)isMovingFromParentViewController makes sense when you are pushing and popping controllers in a navigation stack.
However, if you are presenting modal view controllers you should use - (BOOL)isBeingDismissed instead:
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:ani...
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
In Pandas, when I select a label that only has one entry in the index I get back a Series, but when I select an entry that has more then one entry I get back a data frame.
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git command to move a folder inside another
I have created a folder common with a bunch of source files and folders.
9 Answers
9...
How do I interactively unstage a particular hunk in git?
... according to the documentation. The short form -p also works for both commands.
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How to identify all stored procedures referring a particular table
I created a table on development environment for testing purpose and there are few sp's which are refreing this table. Now I have have to drop this table as well as identify all sp's which are referring this table. I am facing difficulty to find list of all sp's. Please suggest some query by assumin...
How to create a custom exception type in Java? [duplicate]
... it can be thrown with a simple throw new WordContainsException(); Updated and added usage.
– Rion Williams
Dec 7 '11 at 22:52
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