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Why can't static methods be abstract in Java?
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It's not a logical contradiction, it's a language shortcoming, multiple other languages support this notion. "abstract" mean "implemented in subclasses", "static" means "executed on the class rather than class instances" There is no logical contradiction.
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VIM Disable Automatic Newline At End Of File
... we all have to work on windows. I use vim, and everyone in the shop keeps complaining that whenever I edit a file there is a newline at the bottom. I've searched around and found that this is a documented behavior of vi & vim... but I was wondering if there was some way to disable this feature. (...
How to add extra info to copied web text
...dapted from this article by c.bavota. Check also jitbit's version for more complex case.
Browser compatibility: All major browsers, IE > 8.
Demo: jsFiddle demo.
Javascript code:
function addLink() {
//Get the selected text and append the extra info
var selection = window....
Sending images using Http Post
...air using image as the key-name.
Sending images can be done using the HttpComponents libraries. Download the latest HttpClient (currently 4.0.1) binary with dependencies package and copy apache-mime4j-0.6.jar and httpmime-4.0.1.jar to your project and add them to your Java build path.
You will ne...
List comprehension vs. lambda + filter
...It is strange how much beauty varies for different people. I find the list comprehension much clearer than filter+lambda, but use whichever you find easier.
There are two things that may slow down your use of filter.
The first is the function call overhead: as soon as you use a Python function (wh...
Difference between decimal, float and double in .NET?
...way that you can say that everything is a binary type, at which point it becomes a fairly useless definition. Decimal is a decimal type in that it's a number represented as an integer significand and a scale, such that the result is significand * 10^scale, whereas float and double are significand * ...
How do I simulate a low bandwidth, high latency environment?
.... The bandwidth and latency should be tweakable so I can discover the best combination in order to run our software package.
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In a javascript array, how do I get the last 5 elements, excluding the first element?
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RGB to hex and hex to RGB
...he RGB to hex conversion and add any required zero padding:
function componentToHex(c) {
var hex = c.toString(16);
return hex.length == 1 ? "0" + hex : hex;
}
function rgbToHex(r, g, b) {
return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
}
alert(rgbToHex(...
Symbolic links and synced folders in Vagrant
I want to use Vagrant to provide a common development environment to my team. The hosts are completely different:
6 Answers...