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How do I use the conditional operator (? :) in Ruby?
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Small edit puts (true ? "true" : "false") with parenthesis. Otherwise the order of operations is not clear. When I first read this I was confused as I read it as (puts true) ? "true" : "false" then expected puts to return the ...
How to get the clicked link's href with jquery?
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this in your callback function refers to the clicked element.
$(".addressClick").click(function () {
var addressValue = $(this).attr("href");
alert(addressValue );
});
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How to make a vertical line in HTML
... you want the line to appear to next, and use CSS to style it:
.verticalLine {
border-left: thick solid #ff0000;
}
<div class="verticalLine">
some other content
</div>
share
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What does .class mean in Java?
What does .class mean in Java? For example, if I created a class called Print . What does Print.class return?
7 Answer...
Adjusting Eclipse console size
...d, I would strongly recommend setting a high limit rather than no limit at all. If you forget to clean your console, you can run Eclipse out of heap space, IIRC.
– Matt Ball
Apr 8 '10 at 14:27
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Understanding the Rails Authenticity Token
...ares it to the one stored in the session, and if they match the request is allowed to continue.
Why it happens
Since the authenticity token is stored in the session, the client cannot know its value. This prevents people from submitting forms to a Rails app without viewing the form within that app...
How to select lines between two marker patterns which may occur multiple times with awk/sed
... @KasunSiyambalapitiya: Mostly it means I like to use it. Formally, it specifies that the next argument is (part of) the script that sed should execute. If you want or need to use several arguments to include the entire script, then you must use -e before each such argument; otherwise,...
What is Ruby's double-colon `::`?
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:: is basically a namespace resolution operator. It allows you to access items in modules, or class-level items in classes. For example, say you had this setup:
module SomeModule
module InnerModule
class MyClass
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Changing the child element's CSS when the parent is hovered
First of all, I'm assuming this is too complex for CSS3, but if there's a solution in there somewhere, I'd love to go with that instead.
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git: Switch branch and ignore any changes without committing
...ou need a clean state to change branches. The branch checkout will only be allowed if it does not affect the 'dirty files' (as Charles Bailey remarks in the comments).
Otherwise, you should either:
stash your current change or
reset --hard HEAD (if you do not mind losing those minor changes) or
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