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Developing for Android in Eclipse: R.java not regenerating
.... I find that often I change a string and forget to change the string name from AndroidManifest.xml.
Check that Android SDK Build-tools is installed. Window -> Android SDK Manager -> Tools -> Android SDK Build-tools
Make sure when you update the Android SDK Tools, you also update the Androi...
How to define two fields “unique” as couple
... constraints features UniqueConstraint is preferred over unique_together.
From the Django documentation for unique_together:
Use UniqueConstraint with the constraints option instead.
UniqueConstraint provides more functionality than unique_together.
unique_together may be deprecated in the ...
how to add records to has_many :through association in rails
...ay' depends on your needs and what feels most comfortable. Confusion comes from differences ActiveRecord's behavior of the new and create methods and the << operator.
The new Method
new will not add an association record for you. You have to build the House and Agent records yourself:
hous...
How to do a simple file search in cmd
I want to quickly search for a file given its name or part of its name, from the windows command line (not power shell). This is similar to opening explorer and using the search box at the top.
...
Why would one use the Publish/Subscribe pattern (in JS/jQuery)?
...ent, the View catches it and updates itself. You don’t have any overhead from the publish/subscribe, it helps you for the decoupling. In the same manner you can keep your application logic in the Controller for example (MVVM, MVP it’s not exactly a Controller) and keep the View as simple as poss...
When to use Comparable and Comparator
...ake them implement Comparable.
when you want comparing behaviour different from the default (which is specified by Comparable) behaviour.
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Python executable not finding libpython shared library
... Can you debug the application successfully when you run gdb from the command line and LD_LIBRARY_PATH is set up properly in the terminal? If not, you will probably have to set up LD_LIBRARY_PATH in your .gdbinit file. See this answer for more info: stackoverflow.com/a/7041845/156771
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What does void mean in C, C++, and C#?
Looking to get the fundamentals on where the term " void " comes from, and why it is called void. The intention of the question is to assist someone who has no C experience, and is suddenly looking at a C-based codebase.
...
How to capture Curl output to a file?
...om/data.txt -o "file_#1.txt"
# saves to data.txt, the filename extracted from the URL
curl http://www.example.com/data.txt -O
# saves to filename determined by the Content-Disposition header sent by the server.
curl http://www.example.com/data.txt -O -J
...
Merging dictionaries in C#
...
To actually merge the values instead of just taking them from the first dictionary you can replace group => group.First() with group => group.SelectMany(value => value) in Jon Skeet's edited answer.
– andreialecu
Apr 13 '11 at 15:53
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