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What does “hashable” mean in Python?
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answered Jan 26 '13 at 9:49
NPENPE
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
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135
The file is being read as a bunch of strs, but it should be unicodes. Python tries to implicitl...
Usage of sys.stdout.flush() method
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edited May 23 '17 at 12:18
Community♦
111 silver badge
answered Apr 4 '12 at 21:35
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Difference between EXISTS and IN in SQL?
...ve a static list to pass:
select * from [table]
where [field] in (1, 2, 3)
When you have a table in an in statement it makes more sense to use a join, but mostly it shouldn't matter. The query optimiser should return the same plan either way. In some implementations (mostly older, such as Micro...
Convert list to tuple in Python
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843
It should work fine. Don't use tuple, list or other special names as a variable name. It's proba...
Calculating Pearson correlation and significance in Python
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SachaSacha
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Iterating Through a Dictionary in Swift
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360
Dictionaries in Swift (and other languages) are not ordered. When you iterate through the dict...
What is “lifting” in Scala?
...gt;
scala> res1(-1)
res2: Option[Boolean] = None
scala> res1(1)
res3: Option[Boolean] = Some(false)
Methods
You can "lift" a method invocation into a function. This is called eta-expansion (thanks to Ben James for this). So for example:
scala> def times2(i: Int) = i * 2
times2: (i: In...
Jsoup SocketTimeoutException: Read timed out
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138
I think you can do
Jsoup.connect("...").timeout(10 * 1000).get();
which sets timeout to 10s...
Deleting array elements in JavaScript - delete vs splice
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1713
delete will delete the object property, but will not reindex the array or update its length. Thi...