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Why Does OAuth v2 Have Both Access and Refresh Tokens?
...optional (this was probably still being debated when catchdave answered). For example, MAC tokens (currently under development), provide the ability to sign the request with a private key so that SSL is not required. Refresh tokens thus become very important since you want to have short-lived mac ...
Why is SELECT * considered harmful?
... Consider a scenario where you want to tune a query to a high level of performance. If you were to use *, and it returned more columns than you actually needed, the server would often have to perform more expensive methods to retrieve your data than it otherwise might. For example, you wouldn't b...
Why is using the rails default_scope often recommend against?
...ntion that using the rails default_scope is a bad idea, and the top hits for default_scope on stackoverflow are about how to overwrite it. This feels messed up, and merits an explicit question (I think).
...
Create a CSS rule / class with jQuery at runtime
... with js apps is this: if they don't work, they just don't work at all. No forgiveness.
– Daniel Ribeiro
Nov 27 '10 at 0:37
1
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Capture key press (or keydown) event on DIV element
...e.log(event.keyCode);
switch(event.keyCode){
//....your actions for the keys .....
}
});
To set the focus on start:
$(function() {
$('#mydiv').focus();
});
To remove - if you don't like it - the div focus border, set outline: none in the CSS.
See the table of keycodes for mo...
Migrating from JSF 1.2 to JSF 2.0
...rently using and which you want to use.
JSP 2.x to JSP 2.x = Almost no effort.
Facelets 1.x to Facelets 2.0 = Little effort.
JSP 2.x to Facelets 2.0 = Lot of effort. Double this if you also have custom components.
Basic changes
Regardless of the view technology switch, at least the following ...
What's the difference between equal?, eql?, ===, and ==?
...great explanations. I encourage you to read it, and also the documentation for these methods as they're overridden in other classes, like String.
Side note: if you want to try these out for yourself on different objects, use something like this:
class Object
def all_equals(o)
ops = [:==, :===,...
How to darken a background using CSS?
... be solid (fully opaque) ex:background:rgb(96, 96, 96). Refer to this blog for RGBa browser support.
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Using Rails 3.1, where do you put your “page specific” JavaScript code?
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The Asset Pipeline docs suggest how to do controller-specific JS:
For example, if a ProjectsController is generated, there will be a new file at app/assets/javascripts/projects.js.coffee and another at app/assets/stylesheets/projects.css.scss. You should put any JavaScript or CSS unique to ...
Select + copy text in a TextView?
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Why textIsSelectableis not enough ? it's works for me with only this option
– herau
Nov 15 '16 at 12:37
...