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Does MongoDB's $in clause guarantee order

...d index order as shown. If you need to preserve this order, then you basically have two options. So let's say that you were matching on the values of _id in your documents with an array that is going to be passed in to the $in as [ 4, 2, 8 ]. Approach using Aggregate var list = [ 4, 2, 8 ]; ...
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Bulk insert with SQLAlchemy ORM

... You also need s.commit() to actually save the records (it took me a bit to figure this one out). – horcle_buzz Dec 4 '15 at 1:30 3 ...
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Make body have 100% of the browser height

... Thank you so much, Angry Dan, that ugly white space at the bottom of my site is gone! – Boris Burkov May 7 '14 at 15:37 ...
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Modify alpha opacity of LESS variable

... The site documentation gives the answer: background: fade(@blue, 20%); The function name is fade not alpha according to that document. share ...
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Git vs Team Foundation Server [closed]

...o think about going with Mercurial, Joel Spolsky has an excellent tutorial site for educating your team: hginit.com – Martin Owen Dec 11 '10 at 8:54 3 ...
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How to get the input from the Tkinter Text Widget?

...he end of the text box is reached. The only issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan Oakley) The -1c deletes 1 character, while -2c would mean delete two characters, and so on. def retrieve_input(): input...
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MIN and MAX in C

Where are MIN and MAX defined in C, if at all? 14 Answers 14 ...
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Remove all occurrences of a value from a list?

...on over the filter+lambda; the former is more readable in addition to generally more efficient. – habnabit Jul 21 '09 at 4:28 17 ...
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How to implement an ordered, default dict? [duplicate]

...deredDict() and defaultdict() from collections in one object, which shall be an ordered, default dict . Is this possible? ...
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Use of #pragma in C

...take some action, override some default, etc. that may or may not apply to all machines and operating systems. See msdn for more info. share | improve this answer | follow ...