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Change a Rails application to production
... your Rails project, rails s, and get a development version of your app at http://something.com:3000. Production mode is a little trickier to configure.
I've been messing around with this for a while, so I figured I'd write this up for the newbies (such as myself). There are a few little tweaks whi...
Save image from URL by paperclip
...self.picture = open(url)
end
end
Then simply :
user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png"
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How do I pass a class as a parameter in Java?
...e through an interface. here's one of dozens of articles on that pattern: http://today.java.net/pub/a/today/2005/03/09/factory.html
using a class within a factory can be accomplished in a variety of ways, most notably by having a config file that contains the name of the class that implements the ...
When do you use POST and when do you use GET?
...se GET when it's safe to allow a person to call an action. So a URL like:
http://myblog.org/admin/posts/delete/357
Should bring you to a confirmation page, rather than simply deleting the item. It's far easier to avoid accidents this way.
POST is also more secure than GET, because you aren't sti...
Git Commit Messages: 50/72 Formatting
...m Pope argues for a particular Git commit message style in his blog post:
http://www.tpope.net/node/106 .
5 Answers
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svn cleanup: sqlite: database disk image is malformed
...
I had the same problem. The following blog post helped me resolve it:
http://www.polak.ro/svn-e200030-sqlite-database-disk-image-is-malformed.html
You do an integrity check on the sqlite database that keeps track of the repository (/.svn/wc.db):
sqlite3 .svn/wc.db "pragma integrity_check"
T...
AngularJS - Trigger when radio button is selected
...lue = function(value) {
console.log(value);
}
Here is the jsFiddle: http://jsfiddle.net/ZPcSe/5/
2) Watching the model for changes. This doesn't require anything special on the input level:
<input type="radio" ng-model="value" value="foo">
but in a controller one would have:
$scope...
Why isn't my JavaScript working in JSFiddle?
... Better, yet, change it to apply the handler to the object unobtrusively: http://jsfiddle.net/pUeue/
$('input[type=button]').click( function() {
alert("test");
});
Note applying the handler this way, instead of inline, keeps your HTML clean. I'm using jQuery, but you could do it with or w...
How to set the focus for a particular field in a Bootstrap modal, once it appears
...'shown.bs.modal', function ()
{
$('input:visible:first').focus();
})
http://getbootstrap.com/javascript/#modals
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How to Set focus to first text input in a bootstrap modal after shown
... form input fields, and finally update your JS to match these new IDs:
see http://jsfiddle.net/panchroma/owtqhpzr/5/
HTML
...
<button ... data-target="#myModal1"> ... </button>
...
<!-- Modal 1 -->
<div class="modal fade" id="myModal1" ...>
...
<div class="modal-...