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Number of occurrences of a character in a string [duplicate]
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You could do this:
int count = test.Split('&').Length - 1;
Or with LINQ:
test.Count(x => x == '&');
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How to round an average to 2 decimal places in PostgreSQL?
...thand alias for double precision. You can see that PostgreSQL is expanding it in the output).
You must cast the value to be rounded to numeric to use the two-argument form of round. Just append ::numeric for the shorthand cast, like round(val::numeric,2).
If you're formatting for display to the ...
How to create a colored 1x1 UIImage on the iPhone dynamically?
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You can use CGContextSetFillColorWithColor and CGContextFillRect for this:
Swift
extension UIImage {
class func image(with color: UIColor) -> UIImage {
let rect = CGRectMake(0.0, 0.0, 1.0, 1.0)
UIGraphicsBeginImageContext(rect.size)
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What is the best way to count “find” results?
... find's -printf support):
find <expr> -type f -printf '.' | wc -c
It will be more reliable and faster than counting the lines.
Note that I use the find's printf, not an external command.
Let's bench a bit :
$ ls -1
a
e
l
ll.sh
r
t
y
z
My snippet benchmark :
$ time find -type f -pri...
Multiple file upload in php
...pload multiple files and store them in a folder and get the path and store it in the database... Any good example you looked for doing multiple file upload...
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How to estimate how much memory a Pandas' DataFrame will need?
...follow
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edited Aug 18 at 7:43
David
1544 bronze badges
answered Oct 6 '15 at 12:34
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How do I localize the jQuery UI Datepicker?
...English calendar doesn't exactly communicate excellence on a Norwegian website ;-)
12 Answers
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How do I read an attribute on a class at runtime?
...urn null;
}
UPDATE:
This method could be further generalized to work with any attribute:
public static class AttributeExtensions
{
public static TValue GetAttributeValue<TAttribute, TValue>(
this Type type,
Func<TAttribute, TValue> valueSelector)
where...
R command for setting working directory to source file location in Rstudio
...ta files and other files in there. I want to open the .r file and source it such that I do not have to change the working directory in Rstudio as shown below:
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Force HTML5 youtube video
Regarding the Youtube API Blog they are experimenting with their new HTML5 Video Player.
5 Answers
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