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How do I convert struct System.Byte byte[] to a System.IO.Stream object in C#?
...
There's extra space allocated in the MemoryStream buffer by default (just like with e.g. a list). This can be dealt with easily by using the overload that allows you to set capacity, but is only really useful if you don't expect to write any dat...
What does it mean when an HTTP request returns status code 0?
...requests using jQuery
var xhr = $.ajax({
type: "POST",
url: "some.php",
data: "name=John&location=Boston",
success: function(msg){
alert( "Data Saved: " + msg );
}
});
//kill the request
xhr.abort()
It's worth noting that running the .abort() method on an XHR objec...
Produce a random number in a range using C#
... Darrelk answer.
It is implemented using C# extension methods.
It does not allocate memory (new Random()) every time this method is called.
public static class RandomExtensionMethods
{
public static double NextDoubleRange(this System.Random random, double minNumber, double maxNumber)
{
...
Use of Finalize/Dispose method in C#
... that the resources have been disposed of and its ok to release the memory allocated for them.
}
}
finally
{
// explicitly call the base class Dispose implementation
base.Dispose( isDisposing );
this.IsDisposed = true;
}
}
//TODO Uncomment this cod...
How do you diff a directory for only files of a specific type?
...le1 PATH1/ PATH2/
For example:
find PATH1/ -type f | grep --text -vP "php$|html$" | sed 's/.*\///' | sort -u > file1
diff PATH1/ PATH2/ -rq -X file1
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How to hide elements without having them take space on the page?
...ility: hidden
visibility:hidden means the tag is not visible, but space is allocated for it on the page.
display:none means completely hides elements with its space. (although you can still interact with it through the DOM)
...
Bordered UITextView
...roundColor = [UIColor clearColor];
UIImageView *borderView = [[UIImageView alloc] initWithFrame: CGRectMake(0, 0, textView.frame.size.width, textView.frame.size.height)];
borderView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
UIImage *textFieldImage = [[UII...
grepping using the “|” alternative operator
...mand resulted in the following error:
-bash: syntax error near unexpected token `|'
This error was corrected by changing my command to:
get "http://localhost/foobar-&" | grep "fizz\|buzz"
By escaping the & character with double quotes I was able to resolve my issue. The answer had noth...
How many files can I put in a directory?
...d for storing thumbnails and on a Linux server.
Listed files via FTP or a php function is slow yes, but there is also a performance hit on displaying the file. e.g. www.website.com/thumbdir/gh3hg4h2b4h234b3h2.jpg has a wait time of 200-400 ms. As a comparison on another site I have with a around 10...
What is the !! (not not) operator in JavaScript?
...bject is truthy
!![] === true // an (empty) array is truthy; PHP programmers beware!
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