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How do you make lettered lists using markdown?
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For those sticking to standard markdown, it may be helpful to add css rules like ol ol { list-style-type: lower-alpha; } and ol ol ol { list...
How to cast int to enum in C++?
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int i = 1;
Test val = static_cast<Test>(i);
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How to delete a record in Django models?
... WolphWolph
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How do you make a WPF slider snap only to discrete integer positions?
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Difference between Big-O and Little-O Notation
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How to compare dates in datetime fields in Postgresql?
... a strange scenario when comparing between dates in postgresql(version 9.2.4 in windows). I have a column in my table say update_date with type 'timestamp without timezone'. Client can search over this field with only date (i.e: 2013-05-03) or date with time (i.e: 2013-05-03 12:20:00). This column h...
Append a NumPy array to a NumPy array
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In [1]: import numpy as np
In [2]: a = np.array([[1, 2, 3], [4, 5, 6]])
In [3]: b = np.array([...
How do I query using fields inside the new PostgreSQL JSON datatype?
...e performance:
Index for finding an element in a JSON array
Postgres 9.4
Adds jsonb (b for "binary", values are stored as native Postgres types) and yet more functionality for both types. In addition to expression indexes mentioned above, jsonb also supports GIN, btree and hash indexes, GIN bei...
How to Loop through items returned by a function with ng-repeat?
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How can you hide database output in Rails console?
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answered Jul 16 '13 at 11:53
Aaron B. Russel...