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How to get a URL parameter in Express?
... '123';
// save name to the request
req.tagid= modified;
next();
});
// http://localhost:8080/api/tags/98
app.get('/api/tags/:tagid', function(req, res) {
// the tagid was found and is available in req.tagid
res.send('New tag id ' + req.tagid+ '!');
});
...
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...
jQuery .hasClass() vs .is()
...turns out that what I had said is the correct answer. Here is the result:
http://jsperf.com/hasclass-vs-is-so
The is is multi-purpose, you can for example do is('.class'), is(':checked'), etc which means is has more to do where is hasClass is limited which only checks for a class being set or not....
How to change variables value while debugging with LLDB in Xcode?
... You can also use p as a shortcut for expr. Example: (lldb) p url = @"http://google.com"
– funroll
Sep 16 '13 at 19:26
...
AngularJS : What is a factory?
...this gist may be helpful in understanding the subtle differences.
Source: https://groups.google.com/forum/#!topic/angular/hVrkvaHGOfc
jsFiddle: http://jsfiddle.net/pkozlowski_opensource/PxdSP/14/
author: Pawel Kozlowski
var myApp = angular.module('myApp', []);
//service style, probably the simp...
Start service in Android
...r use geofencing service for location update in background
reference
http://stackoverflow.com/questions/tagged/google-play-services
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Java equivalent of C#'s verbatim strings with @
...as created JEP 326: Raw String Literals at 2018/01/23
See the progress at https://bugs.openjdk.java.net/browse/JDK-8196004
Probably some day you will be able to do it with:
`c:\afolder\afile`
UPDATE: JEP proposed to drop from JDK 12:326: Raw String Literals (Preview)
You can read the rationale ...
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!!!!!
...
How can I scale an image in a CSS sprite
In this article, http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out?
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Is there a CSS not equals selector?
...implemented in the IE9 Platform Preview, however.
input:not(.reset) { }
http://www.w3.org/TR/css3-selectors/#negation
In the meantime, you'll have to stick to the old-fashioned methods.
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