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How to remove a field from params[:something]

... = params.except[the one I wish to remove] This is a safer way to 'grab' all the params you need into a copy WITHOUT destroying the original passed in params (which is NOT a good thing to do as it will make debugging and maintenance of your code very hard over time). Or you could just pass direc...
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Preventing console window from closing on Visual Studio C/C++ Console application

... (15.9.4) there is an option: Tools->Options->Debugging->Automatically close the console The corresponding fragment from the Visual Studio documentation: Automatically close the console when debugging stops: Tells Visual Studio to close the console at the end of a debugging session. ...
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jQuery event to trigger action when a div is made visible

...ction($) { var _oldShow = $.fn.show; $.fn.show = function(speed, oldCallback) { return $(this).each(function() { var obj = $(this), newCallback = function() { if ($.isFunction(oldCallback)) { oldCallback.apply(obj); } ...
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How to write LaTeX in IPython Notebook?

...you would. Then use nbconvert to turn the ipynb to TeX (code, figures and all), and run latex to render that to PDF, etc. You don't get live-rendered TeX in the browser like you do with MathJax / Markdown, but you do still have TeX / code in one document. – minrk ...
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How can I write output from a unit test?

Any call in my unit tests to either Debug.Write(line) or Console.Write(Line) simply gets skipped over while debugging and the output is never printed. Calls to these functions from within classes I'm using work fine. ...
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What are C++ functors and their uses?

...42); // create an instance of the functor class int i = add42(8); // and "call" it assert(i == 50); // and it added 42 to its argument std::vector<int> in; // assume this contains a bunch of values) std::vector<int> out(in.size()); // Pass a functor to std::transform, which calls the fu...
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Difference Between One-to-Many, Many-to-One and Many-to-Many?

...to a skill, but the skill need not relate back to just those people. Typically it would, but such symmetry is not a requirement. Take love, for example -- it is bi-directional ("I-Love", "Loves-Me"), but often asymmetric ("I love her, but she doesn't love me")! All of these are well supported by H...
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module.exports vs exports in Node.js

... like a function. 2nd least important reason They set both module.exports and exports to ensure exports isn't referencing the prior exported object. By setting both you use exports as a shorthand and avoid potential bugs later on down the road. Using exports.prop = true instead of module.exports....
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Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

I have installed MySQL server and trying to connect to it, but getting the error: 18 Answers ...
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Do you need text/javascript specified in your tags?

...tribute is optional. Since Netscape 2, the default programming language in all browsers has been JavaScript. In XHTML, this attribute is required and unnecessary. In HTML, it is better to leave it out. The browser knows what to do. ...