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Javascript reduce on array of objects
...erty x
})
// ES6
arr.reduce((a, b) => ({x: a.x + b.x}));
// -> {x: 7}
Explanation added from comments:
The return value of each iteration of [].reduce used as the a variable in the next iteration.
Iteration 1: a = {x:1}, b = {x:2}, {x: 3} assigned to a in Iteration 2
Iteration 2: a = {...
Can I install Python windows packages into virtualenvs?
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edited May 23 '17 at 12:02
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answered Mar 26 '11 at 12:33
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How do I remove documents using Node.js Mongoose?
...e/post middleware on individual docs.
– numbers1311407
Nov 4 '13 at 22:26
This seems many of the other answers mention...
Descending order by date filter in AngularJs
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edited Jun 4 '18 at 5:37
answered Apr 28 '13 at 9:15
CD....
How long should SQL email fields be? [duplicate]
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179
The theoretical limit is really long but do you really need worry about these long Email addres...
Maven in Eclipse: step by step installation [closed]
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edited Jan 10 at 11:07
answered Nov 30 '12 at 6:26
Rip...
Postgres and Indexes on Foreign Keys and Primary Keys
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Post JSON using Python Requests
I need to POST a JSON from a client to a server. I'm using Python 2.7.1 and simplejson. The client is using Requests. The server is CherryPy. I can GET a hard-coded JSON from the server (code not shown), but when I try to POST a JSON to the server, I get "400 Bad Request".
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How to get the type of T from a member of a generic class or method?
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716
If I understand correctly, your list has the same type parameter as the container class itself...