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new DateTime() vs default(DateTime)
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Performance of Arrays vs. Lists
...nce will be quite similar.
The overhead that is involved when using a List vs an Array is, IMHO when you add items to the list, and when the list has to increase the size of the array that it's using internally, when the capacity of the array is reached.
Suppose you have a List with a Capacity of 1...
UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
... bit unclear on the type of tasks that should be assigned to viewDidLoad vs. viewWillAppear : in a UIViewController subclass.
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Preferred method to store PHP arrays (json_encode vs serialize)
...my case we encode once and decode a lot, so we benchmarked the json_decode vs unserialize and results was JSON dcoded in 0.06662392616272 seconds<br> PHP unserialized in 0.093269109725952 seconds<br> json_decode() was roughly 39.99% faster than unserialize()
– user1...
System.currentTimeMillis vs System.nanoTime
...aviour is the result of changing how GetSystemTimeAsFileTime worked in XP vs 7. See here for more details (tl;dr it got more precise since the entire system introduced some more precise timing methods).
– user719662
Jul 18 '17 at 22:08
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Java serialization: readObject() vs. readResolve()
The book Effective Java and other sources provide a pretty good explanation on how and when to use the readObject() method when working with serializable Java classes. The readResolve() method, on the other hand, remains a bit of a mystery. Basically all documents I found either mention only one o...
Map.clear() vs new Map : Which one will be better? [duplicate]
I have a Map as syntax as Map<String, String> testMap = new HashMap<String, String>(); .
In this map there can be 1000 data.
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Rails 4: before_filter vs. before_action
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What is the difference between `sorted(list)` vs `list.sort()`?
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What is the difference between sorted(list) vs list.sort()?
list.sort mutates the list in-place & returns None
sorted takes any iterable & returns a new list, sorted.
sorted is equivalent to this Python implementation, but the CPython builtin function shou...
Private vs Public in Cache-Control
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