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How do I preview emails in Rails?
...erPreview < ActionMailer::Preview
# Accessible from http://localhost:3000/rails/mailers/notifier/welcome
def welcome
Notifier.welcome(User.first)
end
end
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Set angular scope variable in markup
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edited Feb 20 '16 at 1:09
Zanon
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Is there a typical state machine implementation pattern?
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edited Jan 16 '11 at 0:52
Ricket
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answ...
Intro to GPU programming [closed]
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edited Mar 22 '10 at 23:35
answered Oct 20 '08 at 21:15
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How to determine MIME type of file in android?
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edited May 23 '15 at 16:40
Jared Burrows
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How do I use format() on a moment.js duration?
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answered Nov 7 '12 at 17:03
timrwoodtimrwood
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How do I check that a Java String is not all whitespaces?
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Shortest solution I can think of:
if (string.trim().length() > 0) ...
This only checks for (non) white space. If you want to check for particular character classes, you need to use the mighty match() with a regexp such as:
if (string.matches(".*\\w.*")) ...
...which checks for at le...
How to draw circle in html page?
...h/height of the circle you want to make.
#circle {
width: 50px;
height: 50px;
-webkit-border-radius: 25px;
-moz-border-radius: 25px;
border-radius: 25px;
background: red;
}
<div id="circle"></div>
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How to pip or easy_install tkinter on Windows
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edited Jan 10 at 19:13
SherylHohman
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Must Dependency Injection come at the expense of Encapsulation?
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answered Nov 26 '09 at 0:11
Nicholas BlumhardtNicholas Blumhardt
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