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Unloading classes in java?
I have a custom class loader so that a desktop application can dynamically start loading classes from an AppServer I need to talk to. We did this since the amount of jars that are required to do this are ridiculous (if we wanted to ship them). We also have version problems if we don't load the class...
Cannot push to Heroku because key fingerprint
I am new to Rails, and I was trying to deploy a very simple app to Heroku. This is the second app that I deploy, and the first one I was able to do it just fine. However I am having some issues with this one. Whenever I " git push heroku master ", I get this error:
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Locate Git installation folder on Mac OS X
...then installed the Command Line Tools for XCode (not the full XCode4) from Apple which installed 1.7. Placing /usr/local/git/bin in the front of my path got me using 1.8 again. Thanks!
– emkman
Jan 5 '13 at 7:10
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Missing XML comment for publicly visible type or member
...ted. If you add a XML comment there, the warning for the generated code disappers. I had this warning for the App class in the App.g.i.cs file generated from the XAML code in a WP7 project. To resolve it, I had to add a XML comment in the App.xaml.cs file (which is not generated).
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How to set custom header in Volley Request
...ill Volley use, we have to handle and store session cookies manually
MyApp.get().checkSessionCookie(response.headers);
return super.parseNetworkResponse(response);
}
/* (non-Javadoc)
* @see com.android.volley.Request#getHeaders()
*/
@Override
public Map<String, String> getHeaders()...
Catching all javascript unhandled exceptions
...o display in an alert box all of the unhandled javascript exceptions in an application. I'd want all of this to be done on the client side, without using any server side code. I'm using MVC3 as an environment.
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convert pfx format to p12
...t a .pfx format certificate (from windows mmc) to .p12 to use in another application. I cant find a way to do this. Can anyone suggest a method?
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How to stop C# console applications from closing automatically? [duplicate]
My console applications on Visual Studio are closing automatically, so I'd like to use something like C's system("PAUSE") to "pause" the applications at the end of its execution, how can I achieve that?
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What is the ellipsis (…) for in this method signature?
In the App Engine docs , what is the ellipsis ( JID... ) for in this method signature?
5 Answers
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
In my Rails (3.2) app, I have a bunch of tables in my database but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
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