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Save image from URL by paperclip
...insecure because a user could call user.picture_from_url('/etc/password'). It's probably fine in most situations though.
– David Tuite
Oct 11 '13 at 9:16
1
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jQuery get textarea text
Recently I have started playing with jQuery, and have been following a couple of tutorials. Now I feel slightly competent with using it (it's pretty easy), and I thought it would be cool if I were able to make a 'console' on my webpage (as in, you press the ` key like you do in FPS games, etc.), a...
How do I find Waldo with Mathematica?
... America] puzzles, using Mathematica (image-processing and other functionality)?
5 Answers
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AngularJS- Login and Authentication in each route and controller
.../home');
}
});
}]);
You should create a service (I will name it Auth) which will handle the user object and have a method to know if the user is logged or not.
service:
.factory('Auth', function(){
var user;
return{
setUser : function(aUser){
user = aUser;
},
i...
“Remote System Explorer Operation” causing freeze for couple of seconds
...er Operation" in Progress view of Eclipse after each save of Java file (so it might be related to compiling?). It makes the Eclipse unusable for 1 to 10 seconds. In some projects (of about the same size) it's quicker, in some it's slower.
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Jquery live() vs delegate() [duplicate]
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I never use live; I consider the benefits of using delegate to be so substantial as to be overwhelming.
The one benefit of live is that its syntax is very close to that of bind:
$('a.myClass').live('click', function() { ... });
delegate, however, uses a sligh...
What's the difference between findAndModify and update in MongoDB?
I'm a little bit confused by the findAndModify method in MongoDB. What's the advantage of it over the update method? For me, it seems that it just returns the item first and then updates it. But why do I need to return the item first? I read the MongoDB: the definitive guide and it says that i...
What does tree-ish mean in Git?
I'm very confused about how to use git archive .
6 Answers
6
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Check if element is visible in DOM
...ocumentation, an element's offsetParent property will return null whenever it, or any of its parents, is hidden via the display style property. Just make sure that the element isn't fixed. A script to check this, if you have no position: fixed; elements on your page, might look like:
// Where el ...
Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...Constructive functions have the problem,
of being not able to handle infinite arguments. But the worst thing is, you
can't just leave an argument open. You can't just say "well, let x := 1" and try out
every y you may like to try. You have to construct every time the whole tuple with
x := 1. So i...