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Rails.env vs RAILS_ENV
... what env one is running in. What's preferred? Are they, for all intents and purposes equal?
5 Answers
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Using Moq to mock an asynchronous method for a unit test
...ked great. I figured it was probably something simple that I wasn't understanding.
– mvanella
Dec 31 '13 at 15:54
2
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How to define “type disjunction” (union types)?
...: String => println("str")
case _: Int => println("int")
}
}
And that's it. You can call foo(5) or foo("abc"), and it will work, but try foo(true) and it will fail. This could be side-stepped by the client code by creating a StringOrInt[Boolean], unless, as noted by Randall below, you ...
CSS to set A4 paper size
I need simulate an A4 paper in web and allow to print this page as it is show on browser (Chrome, specifically). I set the element size to 21cm x 29.7cm, but when I send to print (or print preview) it clip my page.
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How do I handle the window close event in Tkinter?
How do I handle the window close event (user clicking the 'X' button) in a Python Tkinter program?
6 Answers
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ASP.NET MVC3 - textarea with @Html.EditorFor
I have ASP.NET MVC3 app and I have also form for add news. When VS2010 created default view I have only text inputs for string data, but I want to have textarea for news text. How I can do it with Razor syntax.
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How can I assign the output of a function to a variable using bash?
...
That's not 100% right. Command substitution always strips trailing newlines.
– TheBonsai
Nov 28 '09 at 17:36
7
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WPF Timer Like C# Timer
...ge of making the timer a Control.) If you don't you'll have a memory leak and possibly other bugs.
– Trade-Ideas Philip
Nov 28 '16 at 14:11
8
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Exporting functions from a DLL with dllexport
...e is an option "Compile As" which corresponds to the compiler switches /TP and /TC.
If you still want to use C++ to write the internals of your lib but export some functions unmangled for use outside C++, see the second section below.
Exporting/Importing DLL Libs in VC++
What you really want to do i...
DESTDIR and PREFIX of make
...=***
Number 1 determines where the package will go when it is installed, and where it will look for its associated files when it is run. It's what you should use if you're just compiling something for use on a single host.
make install DESTDIR=***
Number 2 is for installing to a temporary ...