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MongoDB - Update objects in a document's array (nested updating)

... For question #1, let's break it into two parts. First, increment any document that has "items.item_name" equal to "my_item_two". For this you'll have to use the positional "$" operator. Something like: db.bar.update( {user_id : 123456...
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How do I compare two DateTime objects in PHP 5.2.8?

... 441 The following seems to confirm that there are comparison operators for the DateTime class: dev:...
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How can I get Docker Linux container information from within the container itself?

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Python : List of dict, if exists increment a dict value, if not append a new dict

... 210 That is a very strange way to organize things. If you stored in a dictionary, this is easy: #...
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What should main() return in C and C++?

...() — and why? And how about the arguments? If int main() then return 1 or return 0 ? 17 Answers ...
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Using module 'subprocess' with timeout

... 177 In Python 3.3+: from subprocess import STDOUT, check_output output = check_output(cmd, stder...
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How do you connect to multiple MySQL databases on a single webpage?

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Android: how to handle button click

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What does the (unary) * operator do in this Ruby code?

... 271 The * is the splat operator. It expands an Array into a list of arguments, in this case a list ...
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?

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