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Define global variable in a JavaScript function

...object. (In the latest specification, ECMAScript 2015, the new let, const, and class statements at global scope create globals that aren't properties of the global object; a new concept in ES2015.) (There's also the horror of implicit globals, but don't do it on purpose and do your best to avoid do...
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Entity Framework - Invalid Column Name '*_ID"

I've narrowed this down to some issue between Code First and Database first EF, but I'm not sure how to fix it. I'll try to be as clear as I can, but I honestly am missing some of the understanding here myself. This is Entity Framework 4.4 ...
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell

... If you're interested in the physical RAM, use the command dmidecode. It gives you a lot more information than just that, but depending on your use case, you might also want to know if the 8G in the system come from 2x4GB sticks or 4x2GB sticks. ...
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Heroku Postgres - terminate hung query (idle in transaction)

I'm using Heroku with the Crane Postgres option and I was running a query on the database from my local machine when my local machine crashed. If I run ...
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How to turn on (literally) ALL of GCC's warnings?

...n software. Doing calculations as double would use the software emulation and be slower. That's relevant for some embedded CPUs, but completely irrelevant for modern desktop CPUs with hardware support for 64-bit floating-point. Another warning that's not usually useful is -Wtraditional, which war...
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Bootstrap css hides portion of container below navbar navbar-fixed-top

I am building a project with Bootstrap and im facing little issue .I have a container below the Nav-top.My issue is that some portion of my container is hidden below the nav-top header.I dont want to use top-margin with container. Pls see below html in which im facing the issue ...
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What are the undocumented features and limitations of the Windows FINDSTR command?

The Windows FINDSTR command is horribly documented. There is very basic command line help available through FINDSTR /? , or HELP FINDSTR , but it is woefully inadequate. There is a wee bit more documentation online at https://docs.microsoft.com/en-us/windows-server/administration/windows-commands...
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Ruby on Rails console is hanging when loading

...le refuses to start; it just hangs. I haven't made any changes to my code, and other projects using the same version of Ruby and Ruby on Rails have no issue. When I finally Ctrl + C I get this stack trace, which points to Spring. ...
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Force add despite the .gitignore file

... Well, I tested it to make sure it really works and it does. Can you describe your environemnt (OS, git version ...)? This is what I've basically done: echo "/foo" >> .gitignore; echo "bar" > foo; git add foo # should throw an error; git add -p foo # works (cannot...
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When to use EntityManager.find() vs EntityManager.getReference() with JPA

...nager.getReference(LObj.getClass(), LObj.getId()) to get a database entity and then pass the returned object to be persisted in another table. ...