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How do I create an empty array/matrix in NumPy?
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answered Feb 20 '09 at 10:36
Stephen SimmonsStephen Simmons
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Java array reflection: isArray vs. instanceof
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204
In most cases, you should use the instanceof operator to test whether an object is an array.
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SparseArray vs HashMap
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int[] values;
int size;
}
Class = 12 + 3 * 4 = 24 bytes
Array = 20 + 1000 * 4 = 4024 bytes
Total = 8,072 bytes
HashMap:
class HashMap<K, V> {
Entry<K, V>[] table;
Entry<K, V> forNull;
int size;
int modCount;
int threshold;
Set<K> keys
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Good reasons to prohibit inheritance in Java?
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answered Oct 20 '08 at 15:10
DJClayworthDJClayworth
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How to default to other directory instead of home directory
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answered Aug 10 '11 at 20:16
Keith ThompsonKeith Thompson
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Should a function have only one return statement?
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edited Mar 11 '15 at 20:40
community wiki
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Rails Object to hash
...avid Moles
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answered Oct 6 '10 at 12:12
SwanandSwanand
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Determining if a variable is within range?
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if i.between?(1, 10)
do thing 1
elsif i.between?(11,20)
do thing 2
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IndexOf function in T-SQL
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answered Dec 8 '09 at 20:03
Scott IveyScott Ivey
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How to merge multiple lists into one list in python? [duplicate]
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answered Jul 20 '12 at 6:49
BrenBarnBrenBarn
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