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What is a mixin, and why are they useful?

In " Programming Python ", Mark Lutz mentions "mixins". I'm from a C/C++/C# background and I have not heard the term before. What is a mixin? ...
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Create nice column output in python

... edited Apr 18 '17 at 1:11 Matt Kleinsmith 68288 silver badges1919 bronze badges answered Apr 3 '12 at 8:10 Sh...
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Escaping HTML strings with jQuery

Does anyone know of an easy way to escape HTML from strings in jQuery ? I need to be able to pass an arbitrary string and have it properly escaped for display in an HTML page (preventing JavaScript/HTML injection attacks). I'm sure it's possible to extend jQuery to do this, but I don't know enoug...
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What is the meaning of #XXX in code comments?

I have seen this a lot in code, even vim marks it as a special case. #TODO and #FIXME are two other fix markers vim highlights but what does #XXX mean? ...
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How to explain dependency injection to a 5-year-old? [closed]

...et something Mommy or Daddy doesn't want you to have. You might even be looking for something we don't even have or which has expired. What you should be doing is stating a need, "I need something to drink with lunch," and then we will make sure you have something when you sit down to eat. ...
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Are braces necessary in one-line statements in JavaScript?

...acing styles you aren't even saving a line. I prefer a full brace style (like follows) so it tends to be a bit longer. The tradeoff is met very well with the fact you have extremely clear code readability. if (cond) { alert("Condition met!") } else { alert("Condition not met!") } ...
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Sort a single String in Java

...w String(chars); System.out.println(sorted); } } EDIT: As tackline points out, this will fail if the string contains surrogate pairs or indeed composite characters (accent + e as separate chars) etc. At that point it gets a lot harder... hopefully you don't need this :) In addition, th...
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node.js require all files in a folder?

... When require is given the path of a folder, it'll look for an index.js file in that folder; if there is one, it uses that, and if there isn't, it fails. It would probably make most sense (if you have control over the folder) to create an index.js file and then assign all the "...
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How to redirect 404 errors to a page in ExpressJS?

I don't know a function for doing this, does anyone know of one? 22 Answers 22 ...
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How can I uninstall an application using PowerShell?

Is there a simple way to hook into the standard ' Add or Remove Programs ' functionality using PowerShell to uninstall an existing application ? Or to check if the application is installed? ...