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Why do we use arrays instead of other data structures?

...gured the added "features" in programming languages had improved upon this and by that replaced them. I see now that they aren't replaced but rather given new life, so to speak. ...
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Unable to find the wrapper “https” - did you forget to enable it when you configured PHP?

...stion. I've done a thorough investigation for solutions in regards to this and I know there are topics to this and I've followed them too and nothing has worked. That being said I'll list out exactly everything I've done so far. I am running PHP 5.2.14 with Zend Debugging on the latest Eclipse versi...
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Is it possible to use argsort in descending order?

... If you negate an array, the lowest elements become the highest elements and vice-versa. Therefore, the indices of the n highest elements are: (-avgDists).argsort()[:n] Another way to reason about this, as mentioned in the comments, is to observe that the big elements are coming last in the ar...
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How to get the last char of a string in PHP?

...o get the last character of a string. Say I have "testers" as input string and I want the result to be "s". how can I do that in PHP? ...
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Can you break from a Groovy “each” closure?

...ndition. Alternatively, you could use a "find" closure instead of an each and return true when you would have done a break. This example will abort before processing the whole list: def a = [1, 2, 3, 4, 5, 6, 7] a.find { if (it > 5) return true // break println it // do the stuff th...
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Python list subtraction operation

...set(x) - set(y)) >>> z [0, 8, 2, 4, 6] Or you might just have x and y be sets so you don't have to do any conversions. share | improve this answer | follow ...
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Test if lists share any items in python

... generally the fastest. There are four common ways to test if two lists a and b share any items. The first option is to convert both to sets and check their intersection, as such: bool(set(a) & set(b)) Because sets are stored using a hash table in Python, searching them is O(1) (see here for...
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Scala 2.8 breakOut

...at]) : That Note that it has two parameters. The first is your function and the second is an implicit. If you do not provide that implicit, Scala will choose the most specific one available. About breakOut So, what's the purpose of breakOut? Consider the example given for the question, You tak...
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Browser statistics on JavaScript disabled [closed]

...sible! - where do we draw the line here? "Sorry, your computer is too old and slow to render this website." OR "Sorry, 99.9% of the planet, we've presented you with a sub-optimal 1993 experience because 0.1% of you have outdated tech" I don't buy the '1%' is important argument - if someone Really...
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Is GridFS fast and reliable enough for production?

I develop a new website and I want to use GridFS as storage for all user uploads, because it offers a lot of advantages compared to a normal filesystem storage. ...