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How can I scale an image in a CSS sprite
... of #element scales down. You can do the same with its height, too, if you convert height to a percentage. The only tricky bit are figuring out the percentages for background-position.
The first percentage is the width of the targeted area of the sprite when at normal width divided by the sprite's ...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...reshed, or element is removed and re-added
element.click();
Now at the point where you're clicking the element, the element reference is no longer valid. It's close to impossible for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives co...
Creating multiline strings in JavaScript
I have the following code in Ruby. I want to convert this code into JavaScript. what's the equivalent code in JS?
39 Answer...
Android: how to make keyboard enter button say “Search” and handle its click?
...onListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_SEARCH) {
performSearch();
return true;
}
return false;
}
});
...
Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
...
there has to be a better and faster way to convert all routes that has undersore to hyphens
– carbonr
Mar 31 '13 at 17:59
...
How to format numbers? [duplicate]
... rounding, then you are only dealing with things as a string i.e. 1000.999 converted to two decimal places will only ever be 1000.99 and not 1001.00.
This method avoids using .split() and RegExp() however, both of which are very slow in comparison. And whilst I learned something new from Michael's ...
PHP Error handling: die() Vs trigger_error() Vs throw Exception
... you to manually parse. The second one is not an error per se, but will be converted into an error if you don't catch it. The last one is triggering a real error in the PHP engine which will be handled according to the configuration of your PHP environment (in some cases shown to the user, in other ...
Can you split a stream into two streams?
...ou think it is ... stream.boxed().collect(...);! It will do as advertised: convert the primitive IntStream to the boxed Stream<Integer> version.
– YoYo
May 8 '15 at 3:57
...
Build query string for System.Net.HttpClient get
...), but then instead of using the returned NameValueCollection, immediately convert it to a Dictionary like so: var dic = values.ToDictionary(x => x, x => values[x]); Add new values to the dictionary, then pass it to the constructor of FormUrlEncodedContent and call ReadAsStringAsync().Result ...
Why prefer two's complement over sign-and-magnitude for signed numbers?
...ut the article on Wikipedia.
Say you have two numbers, 2 and -1. In your "intuitive" way of representing numbers, they would be 0010 and 1001, respectively (I'm sticking to 4 bits for size). In the two's complement way, they are 0010 and 1111. Now, let's say I want to add them.
Two's complement ad...