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What's the difference between lists enclosed by square brackets and parentheses in Python?
... = {}
>>> z[x] = 3
>>> z
{(1, 2): 3}
>>> z[y] = 4
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unhashable type: 'list'
Note that, as many people have pointed out, you can add tuples together. For example:
>>>...
Android destroying activities, killing processes
... assume I have an application with 5 activities on current activity stack (4 are stopped and 1 is resumed), there is no service connected. I press HOME button so that all of my activities are stopped.
I start some other memory consuming application and overall device memory is starting to be low. An...
Passing command line arguments from Maven as properties in pom.xml
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Alexander PogrebnyakAlexander Pogrebnyak
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What is the difference between JavaConverters and JavaConversions in Scala?
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Chrome extension: accessing localStorage in content script
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answered Oct 14 '10 at 22:11
Mohamed MansourMohamed Mansour
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.net implementation of bcrypt
...ely used?
– Gareth
May 17 '09 at 6:54
2
The reason I thought about using BCrypt was because of th...
How to modify a pull request on GitHub to change target branch to merge into?
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Update August 2016: Change the base branch of a Pull Request finally allows for changing that b...
What do the f and t commands do in Vim?
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How to show line number when executing bash script
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How can I iterate through the unicode codepoints of a Java String?
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