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CGContextDrawImage draws image upside down when passed UIImage.CGImage
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18 Answers
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Is it possible to Turn page programmatically in UIPageViewController?
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17 Answers
17
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What does `kill -0 $pid` in a shell script do?
...gnal does '0' represent, because here I see SIGNAL numbers starting from 1.
6 Answers
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Simplest way to do a recursive self-join?
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113
WITH q AS
(
SELECT *
FROM mytable
WHERE ParentID IS ...
Remove duplicates from a List in C#
...ate oddNumbers with just odd numbers.
oddNumbers.Add((i * 2) + 1);
}
Console.Write("evenNumbers contains {0} elements: ", evenNumbers.Count);
DisplaySet(evenNumbers);
Console.Write("oddNumbers contains {0} elements: ", oddNumbers.Count);
DisplayS...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...context.Observations.AsQueryable());
The result:
Compile-time type: Table`1
Actual type: Table`1
Compile-time type: IEnumerable`1
Actual type: Table`1
Compile-time type: IQueryable`1
Actual type: Table`1
You see that the table class itself is always returned, but its representation changes.
Now ...
Error: Jump to case label
...zation code belongs to another case.
In the following code, if foo equals 1, everything is ok, but if it equals 2, we'll accidentally use the i variable which does exist but probably contains garbage.
switch(foo) {
case 1:
int i = 42; // i exists all the way to the end of the switch
dost...
Find and copy files
... of the arguments to cp reversed:
find /home/shantanu/processed/ -name '*2011*.xml' -exec cp "{}" /home/shantanu/tosend \;
Please, note: the find command use {} as placeholder for matched file.
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How to remove all rows in a numpy.ndarray that contain non-numeric values
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1 Answer
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Check if value is in select list with JQuery
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180
Use the Attribute Equals Selector
var thevalue = 'foo';
var exists = 0 != $('#select-box opti...