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Overloaded method selection based on the parameter's real type
...d will be determined at run
time, using dynamic method lookup
(§15.12.4).
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How does java do modulus calculations with negative numbers?
Am I doing modulus wrong? Because in Java -13 % 64 is supposed to evaluate to -13 but I get 51 .
14 Answers
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Why are C# interface methods not declared abstract or virtual?
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147
For the interface, the addition of the abstract, or even the public keywords would be redundant...
Decreasing for loops in Python impossible?
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for n in range(6,0,-1):
print n
# prints [6, 5, 4, 3, 2, 1]
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PHP append one array to another (not array_push or +)
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436
array_merge is the elegant way:
$a = array('a', 'b');
$b = array('c', 'd');
$merge = array_me...
Add a reference column migration in Rails 4
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Rails 4.x
When you already have users and uploads tables and wish to add a new relationship between them.
All you need to do is: just generate a migration using the following command:
rails g migration AddUserToUploads user:refe...
Running multiple AsyncTasks at the same time — not possible?
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438
AsyncTask uses a thread pool pattern for running the stuff from doInBackground(). The issue is...
Read file data without saving it in Flask
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141
FileStorage contains stream field. This object must extend IO or file object, so it must contai...
How to read the output from git diff?
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497
Lets take a look at example advanced diff from git history (in commit 1088261f in git.git repo...