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Cartesian product of x and y array points into single array of 2D points
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13 Answers
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Using async/await for multiple tasks
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591
int[] ids = new[] { 1, 2, 3, 4, 5 };
Parallel.ForEach(ids, i => DoSomething(1, i, blogClient)...
Pass a data.frame column name to a function
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You can just use the column name directly:
df <- data.frame(A=1:10, B=2:11, C=3:12)
fun1 &...
What do the numbers in a version typically represent (i.e. v1.9.0.1)?
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In version 1.9.0.1:
1: Major revision (new UI, lots of new features, conceptual change, etc.)
9: Minor revision (maybe a change to a search box, 1 feature added, collection of bug fixes)
0: Bug fix release
1: Build number (if used)—...
Behaviour of increment and decrement operators in Python
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++ is not an operator. It is two + operators. The + operator is the identity operator, which ...
Batch files - number of command line arguments
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105
Googling a bit gives you the following result from wikibooks:
set argC=0
for %%x in (%*) do S...
Is it safe to use -1 to set all bits to true?
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I recommend you to do it exactly as you have shown, since it is the most straight forward one....
SQL statement to select all rows from previous day
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11 Answers
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Validating parameters to a Bash script
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10 Answers
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