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What is the recommended approach towards multi-tenant databases in MongoDB?

I'm thinking of creating a multi-tenant app using MongoDB. I don't have any guesses in terms of how many tenants I'd have yet, but I would like to be able to scale into the thousands. ...
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Should I use alias or alias_method?

I found a blog post on alias vs. alias_method . As shown in the example given in that blog post, I simply want to alias a method to another within the same class. Which should I use? I always see alias used, but someone told me alias_method is better. ...
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What's the difference between ES6 Map and WeakMap?

...e: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap): Keys of WeakMaps are of the type Object only. Primitive data types as keys are not allowed (e.g. a Symbol can't be a WeakMap key). Nor can a string, number, or boolean be used as a WeakMap key. A M...
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Python, remove all non-alphabet chars from string

...]', re.MULTILINE) st = 'abcdefghijklmnopqrstuvwxyz123456789!@#$%^&*()-=_+' """, number = 1000000) print(t0) #Try with join method on filter t0 = timeit.timeit(""" s = ''.join(filter(str.isalnum, st)) """, setup = """ st = 'abcdefghijklmnopqrstuvwxyz123456789!@#$%^&*()-=_+' """, number = 10...
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Android Dialog: Removing title bar

... Thanks for the suggestion but its not the problem. what happens is when I type something with the keyboard, the status bar keeps appearing and disappearing with each key stroke. – Jason Rogers Jun 7 '11 at 11:01 ...
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hash function for string

... @Josepas the hash function should ideally return a size_t or other such unsigned value (such as the unsigned long in this code). The caller is responsible for taking modulo of the result to fit it to the hash table. The caller controls the table slot being hashed to; not the func...
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Create a “with” block on several context managers? [duplicate]

...nd 3.1 and above, you can write: with A() as X, B() as Y, C() as Z: do_something() This is normally the best method to use, but if you have an unknown-length list of context managers you'll need one of the below methods. In Python 3.3, you can enter an unknown-length list of context manage...
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Best way to parse command line arguments in C#? [closed]

When building console applications that take parameters, you can use the arguments passed to Main(string[] args) . 20 Ans...
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How to check if two arrays are equal with JavaScript? [duplicate]

...,3],[4,5,6]]) --> [[1,4],[2,5],[3,6]] return arrays[0].map(function(_,i){ return arrays.map(function(array){return array[i]}) }); }   // helper functions function allCompareEqual(array) { // e.g. allCompareEqual([2,2,2,2]) --> true // does not work with nested arra...
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what is the difference between a portlet and a servlet?

...ortlets The packaging and deployment are essentially the same, WAR/EARs. Application Session exists in both Servlet and Portlet containers. It is one of the ways of of sharing data (crude Inter-Portlet Communication) from the render phase to the action phase (or any lower phases) in the portlet co...