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Why implement interface explicitly?
So, what exactly is a good use case for implementing an interface explicitly?
11 Answers
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?
I have experience doing this with single file uploads using <input type="file"> . However, I am having trouble doing uploading more than one at a time.
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Fork and synchronize Google Code Subversion repository into GitHub
How can I fork and keep in sync with an Google Code Subversion repository that I don't have write access to, into a GitHub repository?
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Compiled vs. Interpreted Languages
...is expressed in the instructions of the target machine. For example, an addition "+" operation in your source code could be translated directly to the "ADD" instruction in machine code.
An interpreted language is one where the instructions are not directly executed by the target machine, but instea...
Check whether HTML element has scrollbars
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I found this somewhere a couple of weeks ago. It worked for me.
var div = document.getElementById('container_div_id');
var hasHorizontalScrollbar = div.scrollWidth > div.clientWidth;
var hasVerticalScrollbar = div.scrollHeight > div.clientHeight;
/* you'll get t...
Android - How To Override the “Back” button so it doesn't Finish() my Activity?
I currently have an Activity that when it gets displayed a Notification will also get displayed in the Notification bar.
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How to use java.net.URLConnection to fire and handle HTTP requests?
... about pretty often here, and the Oracle tutorial is too concise about it.
11 Answers
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var self = this?
...his variable in embedded functions
function xyz(){
console.log(abc); // it is available here!
function qwe(){
console.log(abc); // it is available here too!
}
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};
This technique relies on using a closure. But it doesn't work with this because this is a pseudo variable that may chan...
Is it possible to dynamically compile and execute C# code fragments?
I was wondering if it is possible to save C# code fragments to a text file (or any input stream), and then execute those dynamically? Assuming what is provided to me would compile fine within any Main() block, is it possible to compile and/or execute this code? I would prefer to compile it for perfo...
How should I choose an authentication library for CodeIgniter? [closed]
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Update (May 14, 2010):
It turns out, the russian developer Ilya Konyukhov picked up the gauntlet after reading this and created a new auth library for CI based on DX Auth, following the recommendations and requirements below.
And the resulting Tank...