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Download file of any type in Asp.Net MVC using FileResult?
I've had it suggested to me that I should use FileResult to allow users to download files from my Asp.Net MVC application. But the only examples of this I can find always has to do with image files (specifying content type image/jpeg).
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Difference between getDefaultSharedPreferences and getSharedPreferences
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getDefaultSharedPreferences will use a default name like "com.example.something_preferences", but getSharedPreferences will require a name.
getDefaultSharedPreferences in fact uses Context.getSharedPreferences (below is directly from the Android source):
public static Sh...
Long press gesture on UICollectionViewCell
... gesture recognizer to a (subclass of) UICollectionView. I read in the documentation that it is added by default, but I can't figure out how.
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How to insert a newline in front of a pattern?
...e quote before the $ and then open it again.
Edit: As suggested in the comments by @mklement0, this works as well:
sed $'s/regexp/\\\n/g'
What happens here is: the entire sed command is now a C-style string, which means the backslash that sed requires to be placed before the new line literal sho...
Check to see if a string is serialized?
...hat your serialized string is not equal to "b:0;" might be helpful too ; something like this should do the trick, I suppose :
$data = @unserialize($str);
if ($str === 'b:0;' || $data !== false) {
echo "ok";
} else {
echo "not ok";
}
testing that special case before trying to unserialize w...
How to define an empty object in PHP
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$x = new stdClass();
A comment in the manual sums it up best:
stdClass is the default PHP object.
stdClass has no properties, methods or
parent. It does not support magic
methods, and implements no interfaces.
When you cast a scalar or ...
How do I get the first n characters of a string without checking the size or going out of bounds?
...trick, he/she has to think harder to understand the code. IMO, the code's meaning is more obvious in the if / else version. For a cleaner / more readable solution, see @paxdiablo's answer.
share
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Jade: Links inside a paragraph
...deal with this, unfortunately I can't find it anywhere in the official documentation.
You can add inline elements with the following syntax:
#[a.someClass A Link!]
So, an example without going into multiple lines in a p, would be something like:
p: #[span this is the start of the para] #[a(href...
How to split a comma-separated value to columns
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This should not be the accepted answer... A multi-statement TVF (very bad!) and a WHILE loop (even worse) together will perform awfully. Besides, this is a code-only answer and does not even solve the issue There are much better approaches around! For SQL-Server 2016+ look for ST...
How does one get started with procedural generation?
...tart with a little theory and simple examples such as the midpoint displacement algorithm. You should also learn a little about Perlin Noise if you are interested in generating graphics. I used this to get me started with my final year project on procedural generation.
Fractals are closely related ...