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PG undefinedtable error relation users does not exist

...llowing: rake db:reset The rake db:reset task will drop the database and set it up again. This is functionally equivalent to rake db:drop db:setup. This is not the same as running all the migrations. It will only use the contents of the current schema.rb file. If a migration can't be ro...
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Is it possible to run a single test in MiniTest?

... While the answer works and was exactly what was asked :-) The Mini-test way of running a single test is by name matching (see Mr Grimm's answer). If you've tried this and rejected it then it's time to try the none-standard alternatives - such as Ni...
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What is a build tool?

For past 4 years, I have been programming with Eclipse (for Java), and Visual Studio Express (for C#). The IDEs mentioned always seemed to provide every facility a programmer might ask for (related to programming, of course). ...
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Powershell v3 Invoke-WebRequest HTTPS error

Using Powershell v3's Invoke-WebRequest and Invoke-RestMethod I have succesfully used the POST method to post a json file to a https website. ...
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Heroku/GoDaddy: send naked domain to www [closed]

...ed domain for my website to redirect to the www domain. I am using Heroku and have the domain from GoDaddy. Because of Heroku, my A records are already set up as: ...
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Include another HTML file in a HTML file

I have 2 HTML files, suppose a.html and b.html . In a.html I want to include b.html . 37 Answers ...
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Can I call a constructor from another constructor (do constructor chaining) in C++?

... C++11: Yes! C++11 and onwards has this same feature (called delegating constructors). The syntax is slightly different from C#: class Foo { public: Foo(char x, int y) {} Foo(int y) : Foo('a', y) {} }; C++03: No Unfortunately, there'...
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Close iOS Keyboard by touching anywhere using Swift

...rd") //Uncomment the line below if you want the tap not not interfere and cancel other interactions. //tap.cancelsTouchesInView = false view.addGestureRecognizer(tap) } //Calls this function when the tap is recognized. @objc func dismissKeyboard() { //Causes the view (or one of i...
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Download file of any type in Asp.Net MVC using FileResult?

...uld try that, but what goes into the byte[] array? – Anders Aug 31 '10 at 15:40 3 Never mind, I t...
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Fastest way to download a GitHub project

...frastructure that you're wrapped around? The whole multi-user file sharing and versioning universe that you are? Well screw all that, just give me the goodies." I mean, use that button, it's no problem, that's what it's there for, but it's for sure not the predominant use case of the site. ...