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HttpServletRequest - how to obtain the referring URL?
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edited Sep 28 '18 at 14:04
Simeon Leyzerzon
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an...
Uninstall all installed gems, in OSX?
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430
Rubygems >= 2.1.0
gem uninstall -aIx
a removes all versions
I ignores dependencies
x inclu...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...This depends on how you identify a user in your application.
In SignalR 2.0, this is done by using the inbuilt IPrincipal.Identity.Name, which is the logged in user identifier as set during the ASP.NET authentication.
However, you may need to map the connection with the user using a different iden...
What does it mean when an HTTP request returns status code 0?
...r any other type of HTTP network request, fail with an HTTP status code of 0?
15 Answers
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PL/SQL, how to escape single quote in a string?
...ou can use literal quoting:
stmt := q'[insert into MY_TBL (Col) values('ER0002')]';
Documentation for literals can be found here.
Alternatively, you can use two quotes to denote a single quote:
stmt := 'insert into MY_TBL (Col) values(''ER0002'')';
The literal quoting mechanism with the Q sy...
What exactly is Heroku?
...n tutorial which allows you to start in minutes. Also they provide first 750 computation hours free of charge which means you can have one processes (aka Dyno) at no cost. Also performance is very good e.g. simple web application written in node.js can handle around 60 - 70 requests per second.
Her...
How can I build multiple submit buttons django form?
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answered May 14 '09 at 23:03
Ayman HouriehAyman Hourieh
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Cast to int vs floor
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edited Dec 30 '14 at 21:44
Matt Ball
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Configuring IntelliJ IDEA for unit testing with JUnit
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edited Mar 8 '17 at 16:10
answered Jan 21 '11 at 10:46
Ig...