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Is there a library function for Root mean square error (RMSE) in python?
...han low.
If this is a problem the total least squares method fixes this:
https://mubaris.com/posts/linear-regression
Gotchas that can break this RMSE function:
If there are nulls or infinity in either input list, then output rmse value is is going to not make sense. There are three strategies t...
What's the difference between ContentControl and ContentPresenter?
...s easier than theoretical jargon. In an MS web site (Scroll to the bottom: http://msdn.microsoft.com/en-us/library/system.windows.controls.contentpresenter(v=vs.110).aspx), it uses a button as an example. A Button has a ContentControl, which allows you to place one control or a custom control that c...
OAuth secrets in mobile apps
... users to create sub-apps.
There are some talks about the issue online:
http://blog.atebits.com/2009/02/fixing-oauth/
http://groups.google.com/group/twitter-development-talk/browse_thread/thread/629b03475a3d78a1/de1071bf4b820c14#de1071bf4b820c14
Twitter and Yammer's solution is a authentication ...
What does “for” attribute do in HTML tag?
... is focusing on first element. <html> <body> <div id="first_div"> <label for="name">Name</label> <input type="text" id="name"> </div> <div id="second_div"> <label for="name">Name</label> <input type="text" id="name"> </div>...
ASP.NET MVC Ajax Error handling
...s: function(result) {
alert('yeap');
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
alert('oops, something bad happened');
}
});
and to register a global error handler you could use the $.ajaxSetup() method:
$.ajaxSetup({
error: function(XMLHttpReque...
JSON.parse vs. eval()
...mes where you need to use eval() to the JSON string. Use JSON parser from http://json.org as that handles everything a lot easier for you.
Eval() is an evil but against some browsers its a necessary evil but where you can avoid it, do so!!!!!
...
Getting new Twitter API consumer and secret keys
...sumer Key & Consumer Secret, you have to create an app in Twitter via
https://developer.twitter.com/en/apps
Then you'll be taken to a page containing Consumer Key & Consumer Secret.
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...
Embed SVG in SVG?
..."100%" height="100%" viewBox="-100 -100 200 200" version="1.1"
xmlns="http://www.w3.org/2000/svg">
<circle cx="-50" cy="-50" r="30" style="fill:red" />
<image x="10" y="20" width="80" height="80" href="recursion.svg" />
</svg>
...
What is NODE_ENV and how to use it in Express?
...You can see this if you put these lines in an Express app, and then make a HTTP GET request to /error:
app.get('/error', function(req, res) {
if ('production' !== app.get('env')) {
console.log("Forcing an error!");
}
throw new Error('TestError');
});
app.use(function (req, res, next) {
...
navbar color in Twitter Bootstrap
...m version of bootstrap and set @navbarBackground to the color you want.
http://twitter.github.com/bootstrap/customize.html
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