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Instance v state variables in react.js

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Rails: Get Client IP address

... 324 I would just use the request.remote_ip that's simple and it works. Any reason you need another ...
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What is the __DynamicallyInvokable attribute for?

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GridView VS GridLayout in Android Apps

... 271 A GridView is a ViewGroup that displays items in two-dimensional scrolling grid. The items in ...
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Setting up two different static directories in node.js Express framework

... 152 You can also set the path that static files will be served to the web from by specifying an addi...
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How do CDI and EJB compare? interact?

...DI aware frameworks). What else CDI offers... For instance, you use Struts 2 as MVC framework (just example), and you are limited here, even using EJB 3.1 - you can't use @EJB annotation in Struts action, it is not managed by container. But when you add Struts2-CDI plugin, you can write there @Injec...
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Is there a timeout for idle PostgreSQL connections?

...e app is still connected and alive, it just shouldn't be. In PostgreSQL 9.2 and above, you can use the new state_change timestamp column and the state field of pg_stat_activity to implement an idle connection reaper. Have a cron job run something like this: SELECT pg_terminate_backend(pid) FRO...
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Group by & count function in sqlalchemy

... | edited Sep 22 '17 at 9:40 Dag Høidahl 6,30977 gold badges4545 silver badges6262 bronze badges ...
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How do I find which transaction is causing a “Waiting for table metadata lock” state?

... | edited Dec 19 '19 at 21:51 roadrunner66 5,96433 gold badges2222 silver badges3737 bronze badges ans...
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Store query result in a variable using in PL/pgSQL

... 201 I think you're looking for SELECT INTO: select test_table.name into name from test_table wher...