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Trying to understand CMTime and CMTimeMake
...are a numerator and denominator, so it is 1/10 of a second, not 1 second.
2) The result will be like CMTimeMake(2, 10), which is 2/10ths of a second.
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What does the “|” (single pipe) do in JavaScript?
... @MaBi: You should however know that the value is converted to a 32-bit integer, so it won't work properly for larger numbers.
– Guffa
May 5 '15 at 17:51
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Delete element in a slice
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278
Where a is the slice, and i is the index of the element you want to delete:
a = append(a[:i],...
“for loop” with two variables? [duplicate]
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201
If you want the effect of a nested for loop, use:
import itertools
for i, j in itertools.prod...
conditional unique constraint
...Status = 1 and Count > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS INT AS BEGIN
DECLARE @ret INT;
SELECT @ret = COUNT(*) FROM Che...
Reset keys of array elements in php?
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296
To reset the keys of all arrays in an array:
$arr = array_map('array_values', $arr);
In cas...
How do I interpret precision and scale of a number in a database?
I have the following column specified in a database: decimal(5,2)
3 Answers
3
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How do I write data into CSV format as string (not file)?
I want to cast data like [1,2,'a','He said "what do you mean?"'] to a CSV-formatted string.
6 Answers
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How to find the length of a string in R
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424
See ?nchar. For example:
> nchar("foo")
[1] 3
> set.seed(10)
> strn <- paste(sampl...
How can I create a correlation matrix in R?
I have 92 set of data of same type.
5 Answers
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