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Group By Multiple Columns

... new {t.MaterialID, t.ProductID} into grp select new { grp.Key.MaterialID, grp.Key.ProductID, Quantity = grp.Sum(t => t.Quantity) }).ToList(); ...
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How to completely uninstall Visual Studio 2010?

...ly and ultimately remove Visual Studio 2010 from my computer. When you install Visual Studio, it also installs a bunch of programs (about 55) in the add/remove programs panel ( appwiz.cpl ). ...
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Can I apply a CSS style to an element name?

... You can use the attribute selector, input[name="goButton"] { background: red; } <input name="goButton"> Be aware that it isn't supported in IE6. Update: In 2016 you can pretty much use them as you want, since IE6 is dead. http...
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How can I mock dependencies for unit testing in RequireJS?

...'log'); yourModule.foo(); expect(console.log).toHasBeenCalledWith('hurp'); }) }); }); })(); So I'm using this approach in production for a while and its really robust. share | ...
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pretty-print JSON using JavaScript

...or sure) and not HTML. Output can be seen inside console. You can edit the _variables inside the function adding some more styling. function JSONstringify(json) { if (typeof json != 'string') { json = JSON.stringify(json, undefined, '\t'); } var arr = [], _stri...
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Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”

... recommend installing from the CRAN repos. cran.r-project.org/mirrors.html select a mirror that fits you and then pick packages you want to install, it should be pretty straightforward! Good luck! – nemesis Feb 11 '14 at 21:27 ...
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UIButton won't go to Aspect Fit in iPhone

... This method worked for me very well.: In Xib select the button and set user defined runtime attributes: Key path: self.imageView.contentMode Type: Number Value: 1 We use number because you cant use enum there. But the UIViewContentModeScaleAspectFit is equal to...
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Passing parameters in rails redirect_to

How do we pass parameters in redirect_to in rails? I know we can pass id using this: 9 Answers ...
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WPF - How to force a Command to re-evaluate 'CanExecute' via its CommandBindings

... RoutedCommand I've defined. The associated CommandBinding provides a callback for the evaluation of CanExecute which controls the enabled state of each MenuItem . ...
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Read file data without saving it in Flask

...iting my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always. ...