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Do HTML WebSockets maintain an open connection for each client? Does this scale?

...et the maximum number of file descriptors quite high, but then you have to watch out for socket buffer sizes adding up for each open TCP/IP socket. Here's some additional info: https://serverfault.com/questions/48717/practical-maximum-open-file-descriptors-ulimit-n-for-a-high-volume-system As for ...
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Managing relationships in Laravel, adhering to the repository pattern

...pinion, which happens to be the result of reading Domain Driven Design and watching videos like "uncle bob's" keynote at Ruby Midwest within the last year. share | improve this answer | ...
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How do I use the new computeIfAbsent function?

...Marks & Brian Goetz did a good talk about this https://www.youtube.com/watch?v=9uTVXxJjuco share | improve this answer | follow | ...
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ServiceStack vs ASP.Net Web API [closed]

...tions from more than 47 developers and it currently stands at the 3rd most watched C# project on GitHub. Disadvantages I believe the biggest disadvantage is the same for most other OSS .NET projects where it wasn't developed (or even listed as an available option) by Microsoft. This means it's rar...
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How does facebook, gmail send the real time notification?

...ge to clients. Comparision between MQTT and HTTP: http://www.youtube.com/watch?v=-KNPXPmx88E Note: my answers best fits for mobile devices. share | improve this answer | f...
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Android: How can I get the current foreground activity (from a service)?

... @George: Watch out for memory leaks. Mutable static data members are to be avoided in Java wherever possible. – CommonsWare Oct 8 '10 at 13:06 ...
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How to get the source directory of a Bash script from within the script itself?

... directory before running this snippet, the result may be incorrect! Also, watch out for $CDPATH gotchas, and stderr output side effects if the user has smartly overridden cd to redirect output to stderr instead (including escape sequences, such as when calling update_terminal_cwd >&2 on Mac)...
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How to fix 'android.os.NetworkOnMainThreadException'?

... the main/ui thread, contending with lifecycle methods and ui frame rates (watch out for warnings in log from the choreographer). – Stevie Jun 19 '14 at 12:39 ...
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How to avoid using Select in Excel VBA

... use the active cell and sheet. This can also be problematic if you don't watch where your code is placed or a user clicks on the workbook. So, you can eliminate these issues by directly referencing your cells. Which goes: 'create and set a range Dim Rng As Excel.Range Set Rng = Workbooks("Book1...
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or

...d about it in MTV meetup, it is "good to have a dot somewhere" youtube.com/watch?v=ZhfUv0spHCY – Umur Kontacı Feb 16 '13 at 20:15 5 ...