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How do I run a Ruby file in a Rails environment?
... almost does what I want to do, but I'd like to just give it the file name and arguments. I'm pretty sure this is possible since I've done it before. Can someone remind me how to do this?
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How to list all users in a Linux group?
How do I list all members of a group in Linux (and possibly other unices)?
20 Answers
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Cropping an UIImage
...a scaled chunk of the center of the image - I use this to take a UIImage and return a small, square representation of an image, similar to what's seen in the album view of the Photos app. (I know I could use a UIImageView and adjust the crop mode to achieve the same results, but these images are...
Reconnection of Client when server reboots in WebSocket
I am using web socket using PHP5 and the Chrome browser as client.
I have taken the code from the site http://code.google.com/p/phpwebsocket/ .
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Lodash - difference between .extend() / .assign() and .merge()
... the Lodash library, can someone provide a better explanation of merge and extend / assign .
5 Answers
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How to draw a circle with text in the middle?
...ght of the div will center the text vertically. In this example the height and line-height are 500px.
Example
JSFiddle
.circle {
width: 500px;
height: 500px;
line-height: 500px;
border-radius: 50%;
font-size: 50px;
color: #fff;
text-align: center;
background: #000
}
<div clas...
Ruby on Rails patterns - decorator vs presenter
...all sorts of talk lately in the Ruby on Rails community about decorators and presenters.
2 Answers
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How to programmatically empty browser cache?
...er cache. I am doing this because the application caches confidential data and I'd like to remove those when you press "log out". This would happen either via server or JavaScript. Of course, using the software on foreign/public computer is still discouraged as there are more dangers like key logger...
How ViewBag in ASP.NET MVC works
...ct , which intrigues me, how does "Magic" properties such as ViewBag.Foo and magic strings ViewBag["Hello"] actually work?
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Rule-of-Three becomes Rule-of-Five with C++11?
... constructor", template<class T> MyClass(T&& other) edit and of course a "move assignment operator", template<class T> MyClass& operator=(T&& other) as Philipp points out in his answer, if it has dynamically allocated members, or generally stores pointers. Just ...