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Shortest way to print current year in a website
...vaScript has "automatic semicolon insertion," a feature I normally despise and rail against, but in this specific use case it should be safe enough.
It's important to note that this only works on browsers where JavaScript is enabled. Ideally, this would be better handled as an offline batch job (s...
POST JSON fails with 415 Unsupported media type, Spring 3 mvc
...
I've had this happen before with Spring @ResponseBody and it was because there was no accept header sent with the request. Accept header can be a pain to set with jQuery, but this worked for me source
$.postJSON = function(url, data, callback) {
return jQuery.ajax({
hea...
Using git commit -a with vim
...ile with :q while in the normal mode.
You can combine both these actions and do Esc:wqEnter to save the commit and quit vim.
As an alternate to the above, you can also press ZZ while in the normal mode, which will save the file and exit vim. This is also easier for some people as it's the same ke...
how to calculate binary search complexity
...ula? log2(7)? I did a brute force calculation with every possible outcome, and came to an answer that did not equal log2(7), so what am I doing wrong?
– Perry Monschau
Nov 27 '16 at 17:08
...
phantomjs not waiting for “full” page load
...or if it takes longer than a second, it will still fail. Such inefficiency and unreliability is unbearable for professional work.
– CodeManX
Jul 15 '15 at 9:35
9
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How to overlay one div over another div
...gt;
</div>
I would suggest learning about position: relative and child elements with position: absolute.
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Open popup and refresh parent page on close popup
...indow does not have any close event that you can listen to.
On the other hand, there is a closed property that is set to true when the window gets closed.
You can set a timer to check that closed property and do it like this:
var win = window.open('foo.html', 'windowName',"width=200,height=200,sc...
Placeholder Mixin SCSS/CSS
...t
As of Sass 3.4, this mixin can be written like so to work both nested and unnested:
@mixin optional-at-root($sel) {
@at-root #{if(not &, $sel, selector-append(&, $sel))} {
@content;
}
}
@mixin placeholder {
@include optional-at-root('::-webkit-input-placeholder') {
@cont...
What does “fragment” mean in ANTLR?
...is somewhat akin to an inline function: It makes the grammar more readable and easier to maintain.
A fragment will never be counted as a token, it only serves to simplify a grammar.
Consider:
NUMBER: DIGITS | OCTAL_DIGITS | HEX_DIGITS;
fragment DIGITS: '1'..'9' '0'..'9'*;
fragment OCTAL_DIGITS: '...
Function of Project > Clean in Eclipse
...ders that you have in your project (they can choose to interpret clean command however they like) and whether you have auto-build turned on. If auto-build is on, invoking clean is equivalent of a clean build. First artifacts are removed, then a full build is invoked. If auto-build is off, clean will...