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Is there a “not equal” operator in Python?
...son operators. For comparing object identities, you can use the keyword is and its negation is not.
e.g.
1 == 1 # -> True
1 != 1 # -> False
[] is [] #-> False (distinct objects)
a = b = []; a is b # -> True (same object)
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How can I do a line break (line continuation) in Python?
...g line of code that I want to break up among multiple lines. What do I use and what is the syntax?
10 Answers
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Is it possible to program iPhone in C++
...to mash a few test apps together, but I find the syntax a little backwards and I am sure that I am doing things that lead to memory leaks etc just through lack of knowledge of Objective-C
– Lea Hayes
Jul 30 '11 at 14:26
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How to get element by class name? [duplicate]
...rrFromList = [].slice.call(y);
As yckart suggested querySelector('.foo') and querySelectorAll('.foo') would be preferable, though, as they are, indeed, better supported (93.99% vs 87.24%), according to caniuse.com:
querySelector(all)
getElementsByClassName
Don't use w3schools to learn something
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Iterate through pairs of items in a Python list [duplicate]
... the advantage that this works on iterators is that this does not require random access into a stream of data (i.e. array access); rather, it only needs to ingest each item once, and caches it for the next evaluation. So if you have, say, a Twitter firehose, you don't ever need to read the firehose ...
How do you split a list into evenly sized chunks?
I have a list of arbitrary length, and I need to split it up into equal size chunks and operate on it. There are some obvious ways to do this, like keeping a counter and two lists, and when the second list fills up, add it to the first list and empty the second list for the next round of data, but t...
Check if list is empty in C# [closed]
...d from a database. I need to display an error message if the list is empty and display a grid view otherwise.
8 Answers
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Java synchronized static methods: lock on object or class
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Please answer Elaborate so that everyone can understand.
– Madhu
Sep 2 '09 at 4:49
6
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Password reset for Azure database
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And if you are unsure about the admin username it's listed beneath the "Reset Administrator Password" link.
– Klaas
Apr 8 '14 at 13:08
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How does delete[] “know” the size of the operand array?
...'s boundaries to delete[] . But where is that information stored? Is it standardised?
9 Answers
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