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How do I trigger the success callback on a model.save()?
..., but the success callback is not fired. Do I need to send something back from the server ?
8 Answers
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Using link_to with embedded HTML
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If you want a link in rails that uses that same icon class from twitter bootstrap all you need to do is something like this.
<%= link_to "Do it@", user_path(@user), :class => "btn icon-ok icon-white" %>
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How to load local html file into UIWebView
...tml has the tag <img src="some.png">, the webView will load some.png from your project.
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How could the UNIX sort command sort a very large file?
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The questioner asks "Why no high memory usage?" The answer to that comes from history, older unix machines were small and the default memory size is set small. Adjust this as big as possible for your workload to vastly improve sort performance. Set the working directory to a place on your fastest ...
ExecutorService that interrupts tasks after a timeout
...u want your ExecutorService to hide the fact that timeouts are being added from client code, you could implement your own ExecutorService that wraps every runnable handed to it with a FutureTask before executing them.
– erikprice
Sep 24 '10 at 15:23
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How to capitalize the first letter in a String in Ruby
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Use capitalize. From the String documentation:
Returns a copy of str with the first character converted to uppercase and the remainder to lowercase.
"hello".capitalize #=> "Hello"
"HELLO".capitalize #=> "Hello"
"123ABC".c...
How do I tar a directory of files and folders without including the directory itself?
... -printf "%P\n", and then pass that to the tar command (it takes filenames from STDIN using -T -). The -C option is needed so tar knows where the files with relative names are located. The --no-recursion flag is so that tar doesn't recurse into folders it is told to archive (causing duplicate files)...
Keystore change passwords
...! One more thing I want to add to change alias name which I wanted and got from a forum. keytool -changealias -keystore my.keystore -alias my_name -destalias my_new_name
– Jugal Panchal
Sep 20 '14 at 5:03
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Detect Retina Display
...-point values for equality "feels dodgy", because they can differ slightly from integral values after computations. But comparing with < or > is just as dodgy in those situations. In this case, however, there is no chance at all that scale is not exactly 1.0 or 2.0, as it is hardware defined.
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How do I restart nginx only after the configuration test was successful on Ubuntu?
...l -HUP $( cat /var/run/nginx.pid )
The command above reads the nginx PID from /var/run/nginx.pid. By default nginx pid is written to /usr/local/nginx/logs/nginx.pid but that can be overridden in config. Check your nginx.config to see where it saves the PID.
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