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What's better to use in PHP, $array[] = $value or array_push($array, $value)?

... almost 50% faster than the second one. Some benchmark results: Run 1 0.0054171085357666 // array_push 0.0028800964355469 // array[] Run 2 0.0054559707641602 // array_push 0.002892017364502 // array[] Run 3 0.0055501461029053 // array_push 0.0028610229492188 // array[] This shouldn't be surprisin...
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What's the common practice for enums in Python? [duplicate]

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What is the 'pythonic' equivalent to the 'fold' function from functional programming?

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How to get JS variable to retain value after page refresh? [duplicate]

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SparseArray vs HashMap

...ray { int[] keys; 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; S...
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Max parallel http connections in a browser?

... 428 Max Number of default simultaneous persistent connections per server/proxy: Firefox 2: 2 Fir...
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What does the ^ operator do in Java?

... 422 The ^ operator in Java ^ in Java is the exclusive-or ("xor") operator. Let's take 5^6 as exa...
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Calculate the median of a billion numbers

... | edited Apr 3 '10 at 14:56 answered Apr 3 '10 at 14:15 ...
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Determine whether an array contains a value [duplicate]

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Redis: Show database size/size for keys

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