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Accessing class variables from a list comprehension in the class definition
...ble. Names are resolved in
the innermost enclosing function scope. If a class definition
occurs in a chain of nested scopes, the resolution process skips
class definitions.
and in the class compound statement documentation:
The class’s suite is then executed in a new exec...
Android SharedPreference security
...ctory with filesystem permissions set that only allow the UID that the specific application runs with to access them. So, they are private in so much as Linux file permissions restrict access to them, the same as on any Linux/Unix system.
Anyone with root level access to the device will be able to ...
What happens if I define a 0-size array in C/C++?
Just curious, what actually happens if I define a zero-length array int array[0]; in code? GCC doesn't complain at all.
7...
RSpec: how to test if a method was called?
...t.
expect(invitation).to have_received(:deliver).with("foo@example.com")
If you don't use rubocop-rspec or using non-default option. You may, of course, use RSpec 3 default with expect.
dbl = double("Some Collaborator")
expect(dbl).to receive(:foo).with("foo@example.com")
Official Documentatio...
How to return a part of an array in Ruby?
... start and continuing for length elements, or
returns a subarray specified by range. Negative indices count
backward from the end of the array (-1 is the last element).
Returns nil if the index (or starting index) are out of range.
a = [ "a", "b", "c", "d", "e" ]
a...
How to output loop.counter in python jinja template?
...
Worth mentioning that if you want a 0-based index, you can use loop.index0 instead.
– ereOn
Nov 5 '13 at 8:40
...
Can I control the location of .NET user settings to avoid losing settings on application upgrade?
...As for the second question, it depends on how you deploy the application. If you deploy via a .msi, then there are two hashes in the properties of the setup project (that the msi is built from), the 'upgrade code' and the 'product code'. These determine how the msi can be installed, and if it upgr...
Are parallel calls to send/recv on the same socket valid?
...s much, as a send completes once its put its data into the socket buffer.
If you're using SOCK_STREAM sockets, trying to do things a parallel is less likely to be useful as send/recv might send or receive only part of a message, which means things could get split up.
Blocking send/recv on SOCK_STR...
How can i get the session object if i have the entity-manager
...
To be totally exhaustive, things are different if you're using a JPA 1.0 or a JPA 2.0 implementation.
JPA 1.0
With JPA 1.0, you'd have to use EntityManager#getDelegate(). But keep in mind that the result of this method is implementation specific i.e. non porta...
How can I view the source code for a function?
...) is telling you that t() is a (S3) generic function that has methods for different object classes.
The S3 method dispatch system
For S3 classes, you can use the methods function to list the methods for a particular generic function or class.
> methods(t)
[1] t.data.frame t.default t.ts* ...