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How does facebook, gmail send the real time notification?

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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Google Maps JS API v3 - Simple Multiple Marker Example

... Thanks, a big big help! There is an order or magnitude difference in performance, by making the google.map data points first and then passing it to the mapping library, in this case MarketCluster to plot. with about 150,000 data points the first post by 'Daniel...
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MongoDb query condition on comparing 2 fields

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Can you pass parameters to an AngularJS controller on creation?

... you'll want to re-use that template, but with different config and now in order to do so you'll either be pre-processing the templates to inject variables before it gets passed to angular or using massive directives to spit out giant blocks of HTML so you re-use all of the controller HTML except fo...
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?

...s affected (0.01 sec) In short I had to reduce the size of that field in order to get the update to work. Now when I run: mysql> ALTER TABLE user CONVERT TO CHARACTER SET utf8mb4; Query OK, 5 rows affected (0.01 sec) Records: 5 Duplicates: 0 Warnings: 0 It all works ...
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How do I save and restore multiple variables in python?

... I want to save a single object which logins into a cloud server, in order to handle if I login multiple times over time, the server rejects my request. Does dumping an object into a file using pickle module may have any security issue? , for example where if someone obtain my dumped object, t...
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How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]

...e assembly itself. You can use corflags utility that comes with dumpbin in order to see information about .NET executable. – Erti-Chris Eelmaa Oct 14 '14 at 15:53 ...
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How can I get the list of files in a directory using C or C++?

...ames; } PS: as mentioned by @Sebastian, you could change *.* to *.ext in order to get only the EXT-files (i.e. of a specific type) in that directory. share | improve this answer | ...
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Unignore subdirectories of ignored directories in Git

...EP_ME/*' >> .gitignore git status -u Shows no untracked files. In order to get it to work, you need to ignore all files under the uploads/ tree (uploads/**/*, not just the top level, uploads/*) and then add all parent directories of the tree you want to keep echo '/uploads/**/*' > .giti...
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What does the question mark in Java generics' type parameter mean?

...t;. In this case, the Comparator is consuming the elements of the List in order to reorder the List itself. share | improve this answer | follow | ...