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Add querystring parameters to link_to
...#=> <a href="/profiles/1#wall">Comment wall</a>
link_to "Ruby on Rails search", :controller => "searches", :query => "ruby on rails"
#=> <a href="/searches?query=ruby+on+rails">Ruby on Rails search</a>
link_to "Nonsense search", searches_path(:foo => "bar", :...
What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
...e more precise: payload body of a HTTP Request
- is the data normally send by a POST or PUT Request.
It's the part after the headers and the CRLF of a HTTP Request.
A request with Content-Type: application/json may look like this:
POST /some-path HTTP/1.1
Content-Type: application/json
{ "foo" : ...
jQuery to retrieve and set selected option value of html select element
...
The way you have it is correct at the moment. Either the id of the select is not what you say or you have some issues in the dom.
Check the Id of the element and also check your markup validates at here at W3c.
Without a valid dom jQuery cannot work correctly with the selectors...
Adding 'serial' to existing column in Postgres
...LTER TABLE foo ALTER COLUMN a SET NOT NULL;
ALTER SEQUENCE foo_a_seq OWNED BY foo.a; -- 8.2 or later
SELECT MAX(a) FROM foo;
SELECT setval('foo_a_seq', 5); -- replace 5 by SELECT MAX result
INSERT INTO foo (b) VALUES('teste');
INSERT INTO bar (b) VALUES('teste');
SELECT * FROM foo;
SELECT * F...
Create and append dynamically
...g to create a <div> dynamically, with an appended <div> inside. I have this so far which works:
9 Answers
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Angular.js: How does $eval work and why is it different from vanilla eval?
...lly placed in bindings such as {{ expression }}. Expressions are processed by $parse service.
It's a JavaScript-like mini-language that limits what you can run (e.g. no control flow statements, excepting the ternary operator) as well as adds some AngularJS goodness (e.g. filters).
Q: Why isn't pl...
Changing cursor to waiting in javascript/jquery
...
this is by far the easiest and simplest implementation that you can do. Thanks a lot.
– JC203
Sep 19 '16 at 16:38
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Is it possible to reference one CSS rule within another?
...-sets within a stylesheet and use multiple selectors on a single rule-set (by separating them with a comma).
.opacity, .someDiv {
filter:alpha(opacity=60);
-moz-opacity:0.6;
-khtml-opacity: 0.6;
opacity: 0.6;
}
.radius, .someDiv {
border-top-left-radius: 15px;
border-top-r...
Tooltips for cells in HTML table (no Javascript)
...
The highest-ranked answer by Mudassar Bashir using the "title" attribute seems the easiest way to do this, but it gives you less control over how the comment/tooltip is displayed.
I found that The answer by Christophe for a custom tooltip class seems...
What is the difference between visibility:hidden and display:none?
...ly matter. You're still forcing a screen repaint. This could very browser by browser though, and in truth there are probably better ways to optimize the code than focusing on these.
– kemiller2002
Jan 29 '14 at 17:20
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