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How do I implement basic “Long Polling”?

...ch sends a simple string after 2-10 seconds. 1 in 3 chance of returning an error 404 (to show error handling in the coming Javascript example) msgsrv.php <?php if(rand(1,3) == 1){ /* Fake an error */ header("HTTP/1.0 404 Not Found"); die(); } /* Send a string after a random number ...
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Login failed for user 'DOMAIN\MACHINENAME$'

I know this is almost a duplicate of : The error "Login failed for user 'NT AUTHORITY\IUSR'" in ASP.NET and SQL Server 2008 and Login failed for user 'username' - System.Data.SqlClient.SqlException with LINQ in external project / class library but some things don't add up compared to other appli...
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How do I test if a variable is a number in Bash?

...ion, like so: re='^[0-9]+$' if ! [[ $yournumber =~ $re ]] ; then echo "error: Not a number" >&2; exit 1 fi If the value is not necessarily an integer, consider amending the regex appropriately; for instance: ^[0-9]+([.][0-9]+)?$ ...or, to handle numbers with a sign: ^[+-]?[0-9]+([.]...
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Android: Test Push Notification online (Google Cloud Messaging) [closed]

...s, device registration id has been changed mainly due to app re-install { "error": "Unavailable" } - Server not available, resend the message { "error": "InvalidRegistration" } - Invalid device registration Id { "error": "NotRegistered"} - Application was uninstalled from the device ...
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How do I install jmeter on a Mac?

....com/pub/apache/jmeter/binaries/… curl: (22) The requested URL returned error: 404 Not Found Error: Failed to download resource "jmeter" Download failed: mirror.cogentco.com/pub/apache/jmeter/binaries/… – tk_ Nov 24 '14 at 5:48 ...
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Http 415 Unsupported Media type error with JSON

... a JSON request and it responds with a HTTP 415 "Unsupported Media Type" error. 15 Answers ...
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Django Rest Framework - Could not resolve URL for hyperlinked relationship using view name “user-det

...ViewSets were working just fine and all of a sudden I get this frustrating error: 17 Answers ...
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Rspec doesn't see my model Class. uninitialized constant error

...ts on Rspec for my models in Ruby on Rails application. And I receive this error while starting 'rspec spec' 7 Answers ...
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How to deal with “data of class uneval” error from ggplot2?

...ying to overlay a new line to a existing ggplot I am getting the following error: 3 Answers ...
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How can I get a file's size in C? [duplicate]

... Please note that I have omitted error checking in the interest of clarity. – Greg Hewgill Oct 26 '08 at 21:23 19 ...