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What's the difference between findAndModify and update in MongoDB?

I'm a little bit confused by the findAndModify method in MongoDB. What's the advantage of it over the update method? For me, it seems that it just returns the item first and then updates it. But why do I need to return the item first? I read the MongoDB: the definitive guide and it says that i...
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Get the Query Executed in Laravel 3/4

... answered Jan 26 '13 at 10:50 rmobisrmobis 21.6k66 gold badges5656 silver badges6262 bronze badges ...
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Using multiple delimiters in awk

... | edited Apr 13 '17 at 10:01 fedorqui 'SO stop harming' 212k7373 gold badges432432 silver badges485485 bronze badges ...
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Error: Jump to case label

...MaheshMahesh 31.6k1717 gold badges7979 silver badges108108 bronze badges ...
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Count Rows in Doctrine QueryBuilder

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What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?

... @JoyRex: Well, maybe this version is a bit less confusing. ;) – Falko Feb 12 '15 at 12:49 2 ...
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How do I get a UTC Timestamp in JavaScript?

...estamp, the following should suffice: Math.floor((new Date()).getTime() / 1000) It will factor the current timezone offset into the result. For a string representation, David Ellis' answer works. To clarify: new Date(Y, M, D, h, m, s) That input is treated as local time. If UTC time is passed...
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ICollection Vs List in Entity Framework

... So.... just for me to understand a bit further - List inherits IList, which inherits ICollection, which inherits IEnumerable? – wil Oct 5 '11 at 2:10 ...
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Check if two unordered lists are equal [duplicate]

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How to prevent a jQuery Ajax request from caching in Internet Explorer?

... answered Nov 29 '10 at 12:50 Nick Craver♦Nick Craver 580k125125 gold badges12551255 silver badges11351135 bronze badges ...