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How to add a custom button state

...what happens to me. Allow me to report here the whole solution, with some more details: First, create file "res/values/attrs.xml": <?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="food"> <attr name="state_fried" format="boolean" /> ...
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R script line numbers at error?

... Doing options(error=traceback) provides a little more information about the content of the lines leading up to the error. It causes a traceback to appear if there is an error, and for some errors it has the line number, prefixed by #. But it's hit or miss, many errors won...
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP

...sed to detect if a variable has been already initialized. Additionally and more ideal is the solution of empty() since it does not generate a warning or error message if the variable is not initialized. From PHP documentation: No warning is generated if the variable does not exist. That means...
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Converting JSON String to Dictionary Not List

...u were expecting: datapoints = json1_data['datapoints'] I have one more question if anyone can bite: I am trying to take the average of the first elements in these datapoints(i.e. datapoints[0][0]). Just to list them, I tried doing datapoints[0:5][0] but all I get is the first datapoint with...
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Initial bytes incorrect after Java AES/CBC decryption

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Is there a max array length limit in C++?

...t is usually bigger than char. Therefore, a vector<char> may contain more items than a vector<int> before memory is full. The same counts for raw C-style arrays like int[] and char[]. Additionally, this upper limit may be influenced by the type of allocator used to construct the vector ...
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How does Spring Data JPA differ from Hibernate for large projects?

...e(String name); } MyObjectRepositoryCustom - repository methods that are more complex and cannot be handled with a simple query or an annotation: public interface MyObjectRepositoryCustom { List<MyObject> findByNameWithWeirdOrdering(String name); } MyObjectRepositoryCustomImpl - wher...
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Java - No enclosing instance of type Foo is accessible

...1); ... Because it doesn't mean a Thing if it doesn't have a Hello. For more information on nested/inner classes: Nested Classes (The Java Tutorials) share | improve this answer | ...
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How to pass json POST data to Web API method as an object?

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Source code highlighting in LaTeX

... After hours of searching on how to use pygments with LaTeX, and more hours of trying to hack together my own solution, this is the best I've found. Better yet, it actually works. Thanks for this. – sykora Jan 12 '10 at 9:40 ...