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How to launch an Activity from another Application in Android

I want to launch an installed package from my Android application. I assume that it is possible using intents, but I didn't find a way of doing it. Is there a link, where to find the information? ...
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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?

I'm writing an event-driven publish/subscribe application with NodeJS and Redis. I need an example of how to notify web clients when the data values in Redis change. ...
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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:

I am trying to push my app on heroku. I am still in dev. I use devise with the confirmable module. 6 Answers ...
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How to remove all debug logging calls before building the release version of an Android app?

...any calls to Log methods in the source code " before publishing my Android app to Google Play. Extract from section 3 of the publication checklist : ...
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How can I get color-int from color resource?

...Google feel the need to deprecate a perfectly good function for that awful app compact library. It sucks, have both. – Andrew S Nov 18 '16 at 18:23 4 ...
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Converting string from snake_case to CamelCase in Ruby

...o get an actual class, you should use String#constantize on top of that. "app_user".camelize.constantize share | improve this answer | follow | ...
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How to stop app that node.js express 'npm start'

You build node.js app with express v4.x then start your app by npm start . My question is how to stop the app? Is there npm stop ? ...
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Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT

...ds unless he does intent to use/edit documents that are owned by the other application(s). If the OP wants a copy or to do things in a way consistent with older versions, the answer by @voytez would be more appropriate. – Colin M. Nov 27 '13 at 22:14 ...
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Can a unit test project load the target application's app.config file?

I am unit testing a .NET application (.exe) that uses an app.config file to load configuration properties. The unit test application itself does not have an app.config file. ...
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How do I setup a SSL certificate for an express.js server?

...em' ); https.createServer({ key: privateKey, cert: certificate }, app).listen(port); Other options for createServer are at: http://nodejs.org/api/tls.html#tls_tls_createserver_options_secureconnectionlistener shar...