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Position an element relative to its container

I'm trying to create a horizontal 100% stacked bar graph using HTML and CSS. I'd like to create the bars using DIVs with background colors and percentage widths depending on the values I want to graph. I also want to have a grid lines to mark an arbitrary position along the graph. ...
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Fade/dissolve when changing UIImageView's image

... animation methods. Suppose the following code is in the view controller, and the UIImageView you want to cross-dissolve is a subview of self.view addressable via the property self.imageView Then all you need is: UIImage * toImage = [UIImage imageNamed:@"myname.png"]; [UIView transitionWit...
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How to add http:// if it doesn't exist in the URL?

...//" . $url; } return $url; } Recognizes ftp://, ftps://, http:// and https:// in a case insensitive way. share | improve this answer | follow | ...
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How can I check if an ip is in a network in Python?

... This article shows you can do it with socket and struct modules without too much extra effort. I added a little to the article as follows: import socket,struct def makeMask(n): "return a mask of n bits as a long integer" return (2L<<n-1) - 1 def dotted...
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Vertically centering a div inside another div [duplicate]

...n middle works, but you will have to use table-cell on your parent element and inline-block on the child. This solution is not going to work in IE6 & 7. Yours is the safer way to go for those. But since you tagged your question with CSS3 and HTML5 I was thinking that you don't mind using a mode...
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What do single quotes do in C++ when used on multiple characters?

... 0x74 -> 't' 0x65 -> 'e' 0x73 -> 's' 0x74 -> 't' Edit: C++ standard, §2.14.3/1 - Character literals (...) An ordinary character literal that contains more than one c-char is a multicharacter literal . A multicharacter literal has type int and implementation-defined value. ...
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Node.js and CPU intensive requests

I've started tinkering with Node.js HTTP server and really like to write server side Javascript but something is keeping me from starting to use Node.js for my web application. ...
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In which order should floats be added to get the most precise result?

This was a question I was asked at my recent interview and I want to know (I don't actually remember the theory of the numerical analysis, so please help me :) ...
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Error-Handling in Swift-Language

... thing I noticed is that there are no exceptions. So how do they do error handling in Swift? Has anyone found anything related to error-handling? ...
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Difference between subprocess.Popen and os.system

What is the difference between subprocess.Popen() and os.system() ? 5 Answers 5 ...