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Preview an image before it is uploaded
...
$("#imgInp").change(function() {
readURL(this);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
<input type='file' id="imgInp" />
<img id="blah" src="#" alt="your image" />
</form>
...
Difference between web reference and service reference?
...k to a Web Service that is described via WSDL and communicates via SOAP or HTTP GET (other posters indicate that it is only ASMX, but Web References can also talk to Java-based Web Services or Python-based or Ruby so long as they all talk WSDL and conform to the WS-I interoperability standard).
A S...
Detecting programming language from a snippet
...snippet is written in language X for every language you're interested in.
http://en.wikipedia.org/wiki/Bayesian_spam_filtering
If you have the basic mechanism then it's very easy to add new languages: just train the detector with a few snippets in the new language (you could feed it an open source...
How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
... return a;
}
auto a = make_array(1, 2, 3);
However, this requires the compiler to do NRVO, and then also skip the copy of returned value (which is also legal but not required). In practice, I would expect any C++ compiler to be able to optimize that such that it's as fast as direct initializati...
'System.Net.Http.HttpContent' does not contain a definition for 'ReadAsAsync' and no extension metho
...g struggle, I found the solution.
Solution: Add a reference to System.Net.Http.Formatting.dll. This assembly is also available in the C:\Program Files\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies folder.
The method ReadAsAsync is an extension method declared in the class HttpContentExtensions, which...
Understanding keystore, certificates and alias
...be the same as for
the cloned entry's private key).
More information:
http://download.oracle.com/javase/1.5.0/docs/tooldocs/solaris/keytool.html
http://developer.android.com/guide/publishing/app-signing.html
share
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How to install the current version of Go in Ubuntu Precise
...
I found a repo that has the latest versions: https://launchpad.net/~duh/+archive/golang/+packages. So basically do:
sudo apt-get install python-software-properties # 12.04
sudo add-apt-repository ppa:duh/golang
sudo apt-get update
sudo apt-get install golang
To conf...
npm not working - “read ECONNRESET”
...
use
npm config set registry http://registry.npmjs.org/
so that npm requests for http url instead of https.
and then try the same npm install command
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AngularJs: How to check for changes in file input fields?
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No binding support for File Upload control
https://github.com/angular/angular.js/issues/1375
<div ng-controller="form-cntlr">
<form>
<button ng-click="selectFile()">Upload Your File</button>
<input type=...
req.body empty on posts
...coded())
With:
app.use(bodyParser.urlencoded({
extended: true
}));
See https://github.com/expressjs/body-parser
The 'body-parser' middleware only handles JSON and urlencoded data, not multipart
As @SujeetAgrahari mentioned, body-parser is now inbuilt with express.js.
Use app.use(express.json());...