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When to use enumerateObjectsUsingBlock vs. for

... 15-20% faster than fast iteration. So if you're very concerned about the best possible performance, use enumerateObjectsUsingBlock. But keep in mind that in some cases the time it takes to enumerate a collection is dwarfed by the time it takes to run whatever code you want each object to execute. ...
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How do you create different variable names while in a loop? [duplicate]

...'string9': 'Hello'} I said this somewhat tongue in check, but really the best way to associate one value with another value is a dictionary. That is what it was designed for! share | improve t...
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How to get the current directory of the cmdlet being executed

... This is the best answer as it gives you precisely the path where you PS script is present which is essentially the root for your script execution. It doesn't care what is your present working directory from where you've invoked your scri...
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How to convert int[] into List in Java?

... It is best to initialise the list with the size of the array – David Rabinowitz Jul 2 '09 at 11:54 110 ...
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Initializing a list to a known number of elements in Python [duplicate]

...g: >>> N = 10**6 >>> %timeit a = [None] * N 100 loops, best of 3: 7.41 ms per loop >>> %timeit a = [None for x in xrange(N)] 10 loops, best of 3: 30 ms per loop >>> %timeit a = [None for x in range(N)] 10 loops, best of 3: 67.7 ms per loop >>> a = []...
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HashSet vs LinkedHashSet

...plements Serializable, Clonable but not RandomAccess interface. HashSet is best choose if frequent operation is search operation. In HashSet duplicates are not allowed.if users are trying to insert duplicates when we won't get any compile or runtime exceptions. add method returns simply false. ...
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jQuery Click fires twice when clicking on label

... Best answer is hidden inside comments: you should actually bind to change even on the radio button since the text of a label is clickable -- they don't always click the radio button itself. – chovy Dec 12 '13 at 1:4...
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How to format date in angularjs

...he following plunker: http://plnkr.co/edit/8MVoXNaIDW59kQnfpaWW?p=preview .Best of luck! share | improve this answer | follow | ...
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Why does AngularJS include an empty option in select?

...om to trick angular into taking it out), but you're right it still is the "best" solution. The "even better" solution would be to allow for a friggin select that has no value! What the heck? Its not like this is an edge scenario. – dudewad Jul 24 '15 at 18:31 ...
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Easiest way to convert a List to a Set in Java

...orrect this answer lacks sufficient technical context to warrant being the best/accepted answer, because there are pitfalls here depending on which implementations of Set and Map one is using; HashSet is assumed here. – Madbreaks Jul 3 '18 at 17:25 ...