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Should I inherit from std::exception?
...st one reliable source (a C++ class I took) recommend that application-specific exception classes in C++ should inherit from std::exception . I'm not clear on the benefits of this approach.
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Should I add the Visual Studio .suo and .user files to source control?
...These files contain user preference configurations that are in general specific to your machine, so it's better not to put it in SCM. Also, VS will change it almost every time you execute it, so it will always be marked by the SCM as 'changed'.
I don't include either, I'm in a project using VS for 2...
What is the difference between async.waterfall and async.series
...o the next, then when done will call the main callback, passing its error, if an error happens.
The difference is that async.series(), once the series have finished, will pass all the results to the main callback. async.waterfall() will pass to the main callback only the result of the last function...
How can I avoid running ActiveRecord callbacks?
...n :do_something_else
skip_callback :validation, :before, :do_something, if: :skip_some_callbacks
skip_callback :validation, :after, :do_something_else, if: :skip_some_callbacks
end
person = Person.new(person_params)
person.skip_some_callbacks = true
person.save
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Shell command to tar directory excluding certain files/folders
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As an example, if you are trying to backup your wordpress project folder, excluding the uploads folder, you can use this command: tar -cvf wordpress_backup.tar wordpress --exclude=wp-content/uploads
– shasi kanth
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The project type is not supported by this installation
...ck some advanced frameworks like newer versions of Windows Mobile SDK, but if I recall correctly,the error message in such case is different.
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How set the default repository
... Yeah, tonfa's right on both counts. You do it by editing a file and if you don't want to pop open an editor you could do it by shell redirect. There's no 'set' command.
– Ry4an Brase
Sep 27 '10 at 13:56
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Why doesn't height: 100% work to expand divs to the screen height?
...as to set both html and body as height: 100% (As well as of course the specific div I want to inherit the 100% height)
– james
Jan 13 '15 at 6:34
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Reading Properties file in Java
... file. I'm guessing that myProp.properties is in the root of your project, if that's the case, you need a preceding slash:
InputStream stream = loader.getResourceAsStream("/myProp.properties");
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Can linux cat command be used for writing text to file?
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If you need to use double quotes in your text, encompass the whole thing in single quotes. This is useful for .json and the likes, e.g. echo '{"info1": "123456"}' > info.json
– bkd
No...