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Remove scroll bar track from ScrollView in Android
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edited Sep 27 '17 at 13:37
user663031
answered Jan 20 '12 at 2:55
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Rails Model find where not equal
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230
In Rails 4.x (See http://edgeguides.rubyonrails.org/active_record_querying.html#not-conditions)...
What's the algorithm to calculate aspect ratio?
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203
I gather you're looking for an usable aspect ratio integer:integer solution like 16:9 rather tha...
std::vector versus std::array in C++
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326
std::vector is a template class that encapsulate a dynamic array1, stored in the heap, that gr...
Changing names of parameterized tests
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302
This feature has made it into JUnit 4.11.
To use change the name of parameterized tests, you ...
How to escape a pipe char in a code statement in a markdown table?
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3 Answers
3
Active
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Get difference between two lists
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Out[5]: ['Four', 'Three']
Beware that
In [5]: set([1, 2]) - set([2, 3])
Out[5]: set([1])
where you might expect/want it to equal set([1, 3]). If you do want set([1, 3]) as your answer, you'll need to use set([1, 2]).symmetric_difference(set([2, 3])).
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How to access object attribute given string corresponding to name of that attribute
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3 Answers
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Mongoose's find method with $or condition does not work properly
...se').Types.ObjectId;
var objId = new ObjectId( (param.length < 12) ? "123456789012" : param );
// You should make string 'param' as ObjectId type. To avoid exception,
// the 'param' must consist of more than 12 characters.
User.find( { $or:[ {'_id':objId}, {'name':param}, {'nickname':param} ]},...