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Postgres - FATAL: database files are incompatible with server

... and then you'll need to rake db:setup and rake db:migrate from your Rails app to get setup again. share | improve this answer | follow | ...
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Mercurial .hgignore for Visual Studio 2008 projects

...contents: syntax: glob #-- Files *.bak.* *.bak thumbs.db #-- Directories App_Data/* bin/ obj/ _ReSharper.*/ tmp/ #-- Microsoft Visual Studio specific *.user *.suo #-- MonoDevelop specific *.pidb *.userprefs *.usertasks Keep in mind that I mainly work on WinForms, ASP.NET MVC and Mobile project...
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Why is Go so slow (compared to Java)?

... the next release of the Go FAQ, something similar to the following should appear. Performance Why does Go perform badly on benchmark X? One of Go's design goals is to approach the performance of C for comparable programs, yet on some benchmarks it does quite poorly, includin...
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“Unknown class in Interface Builder file” error at runtime

...nterface Builder is aware of a MyClass , I get an error when starting the application. 46 Answers ...
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Is there some way to PUSH data from web server to browser?

...otifications so be aware of the performance implications when writing your app. http://en.wikipedia.org/wiki/Comet_(programming) share | improve this answer | follow ...
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Android Notification Sound

...Intent(0, PendingIntent.FLAG_UPDATE_CURRENT); // android.support.v4.app.NotificationCompat.BigTextStyle bigStyle = new NotificationCompat.BigTextStyle(); // bigStyle.bigText((CharSequence) context); notification = new NotificationCompat.Builder(context) .setSmallIcon(R.mipmap....
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Serializing object that contains cyclic object value

... code produces cycling loops, beware of using, very potential crashes your app. needs correct semicolons and is not useable on event objects! – Ol Sen Apr 22 '13 at 16:07 3 ...
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How should I validate an e-mail address?

... Don't use a reg-ex. Apparently the following is a reg-ex that correctly validates most e-mails addresses that conform to RFC 2822, (and will still fail on things like "user@gmail.com.nospam", as will org.apache.commons.validator.routines.EmailVa...
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Biggest GWT Pitfalls? [closed]

...like jquery or just plain javascript. It takes a lot more setup to get it happening than just including a JS file. Solution: Use libraries like jquery for smaller, simple tasks that are suited to those. Use GWT when you want to build something truly complex in AJAX, or where you need to pass your d...
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The server committed a protocol violation. Section=ResponseStatusLine ERROR

... Try putting this in your app/web.config: <system.net> <settings> <httpWebRequest useUnsafeHeaderParsing="true" /> </settings> </system.net> If this doesn't work you may also try setting the KeepAlive p...