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convert UIImage to NSData
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edited May 10 '19 at 17:02
Cœur
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Generating a Random Number between 1 and 10 Java [duplicate]
I want to generate a number between 1 and 10 in Java.
3 Answers
3
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javascript i++ vs ++i [duplicate]
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207
The difference between i++ and ++i is the value of the expression.
The value i++ is the value ...
MySQL, better to insert NULL or empty string?
...re differences:
A LENGTH of NULL is NULL, a LENGTH of an empty string is 0.
NULLs are sorted before the empty strings.
COUNT(message) will count empty strings but not NULLs
You can search for an empty string using a bound variable but not for a NULL. This query:
SELECT *
FROM mytable
WHERE ...
Why does this iterative list-growing code give IndexError: list assignment index out of range?
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j is an empty list, but you're attempting to write to element [0] in the first iteration, which doesn't exist yet.
Try the following instead, to add a new element to the end of the list:
for l in i:
j.append(l)
Of course, you'd never do this in practice if all you wanted to do wa...
Is it possible to write data to file using only JavaScript?
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10 Answers
10
Active
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How do I concatenate const/literal strings in C?
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401
In C, "strings" are just plain char arrays. Therefore, you can't directly concatenate them with...
What are the undocumented features and limitations of the Windows FINDSTR command?
...eOffset: = The decimal byte offset of the start of the matching line, with 0 representing the 1st character of the 1st line. Only printed if /O option is specified. This is not the offset of the match within the line. It is the number of bytes from the beginning of the file to the beginning of the l...
How to get the full path of running process?
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edited Sep 21 '18 at 9:04
Uwe Keim
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answ...
Test if lists share any items in python
...meit
>>> timeit('bool(set(a) & set(b))', setup="a=list(range(1000));b=list(range(1000))", number=100000)
26.077727576019242
>>> timeit('any(i in a for i in b)', setup="a=list(range(1000));b=list(range(1000))", number=100000)
0.16220548999262974
Here's a graph of the execution...