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Do fragments really need an empty constructor?
I have a Fragment with a constructor that takes multiple arguments. My app worked fine during development, but in production my users sometimes see this crash:
...
Why is there no Tree class in .NET?
...ment that tree-based data structures are less commonly used in the kind of applications that .NET is usually used for (business apps, data-moving apps, etc.). Still, I agree with you, it is strange that the BCL has no implementation at all.
...
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...
How are 3D games so efficient? [closed]
...current bottleneck in graphic rendering is more texture effects like bump mapping derived techniques to add details and other post rendering effects.
– Klaim
Feb 7 '10 at 17:31
5
...
403 Forbidden vs 401 Unauthorized HTTP responses
... This is a response generally returned by your web server, not your web
application.
It’s also something very temporary; the server is asking you to try
again.
So, for authorization I use the 403 Forbidden response. It’s
permanent, it’s tied to my application logic, and it’s...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
... especially tutorial levels -- and to my (admittedly brief) glance doesn't appear to add anything that other, previous efforts don't already do (and in some cases better). To be fair to it, it has a rather impressive number of languages it supports out of the box including a few of the higher-profi...
How to make completely transparent navigation bar in iOS 7
I want the UINavigationBar in my app to be completely transparent and flush with the viewcontroller directly under it. However, the only code I could find makes it translucent but not transparent. I know this can be done in iOS 7 because it is used in the notes app. My question is, what is the code ...
EJB's - when to use Remote and/or local interfaces?
...aces come in? Are you supposed to use Remote interfaces if you expect your application to have different components on different servers? And use Local interfaces if your application is only going to reside on one server?
...
Manually raising (throwing) an exception in Python
...cific in your message, e.g.:
raise ValueError('A very specific bad thing happened.')
Don't raise generic exceptions
Avoid raising a generic Exception. To catch it, you'll have to catch all other more specific exceptions that subclass it.
Problem 1: Hiding bugs
raise Exception('I know Python!')...
How to redirect to a 404 in Rails?
...ow a 404 page, create a render_404 method (or not_found as I called it) in ApplicationController like this:
def not_found
raise ActionController::RoutingError.new('Not Found')
end
Rails also handles AbstractController::ActionNotFound, and ActiveRecord::RecordNotFound the same way.
This does t...