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Short description of the scoping rules?

... Names preassigned in the built-in names module: open, range, SyntaxError, etc So, in the case of code1 class Foo: code2 def spam(): code3 for code4: code5 x() The for loop does not have its own namespace. In LEGB order, the scopes would be L: ...
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What are “first class” objects?

...r sections of code(method arguments), ability to store in a data structure etc. If we can do the same with an entity which is not normally considered as a object, like functions in the case of java script, such entities are considered to be first class objects. First class essentially here means, n...
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Using WebAPI or MVC to return JSON in ASP.NET

...g an API. If you want someone to be able to consume your API in XML, JSON, etc. You can make a web api. In your case you only need to talk to client in JSON. Even though your website is mostly client script driven you would still be using ASP.NET MVC Controller right? And since you may have alread...
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Regular cast vs. static_cast vs. dynamic_cast [duplicate]

...d to cast between the integer types. 'e.g.' char->long, int->short etc. Static cast is also used to cast pointers to related types, for example casting void* to the appropriate type. dynamic_cast Dynamic cast is used to convert pointers and references at run-time, generall...
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File input 'accept' attribute - is it useful?

...y selection. I tried many variations - space delimited, no dot characters, etc., but no dice in Chrome v20, so I ended up using the mime types and it worked great: accept='image/jpeg,image/gif,image/png,application/pdf,image/x-eps' – Charlie Schliesser Jun 27 '...
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Drawing Isometric game worlds

...t his feet; tree's base is at it's roots; airplane's base is center-image, etc.) Then I just sort lowest to highest level, then lowest (highest on-screen) to highest base-Y, then lowest (left-most) to highest base-X. This renders the tiles the way one would expect. Code to convert screen (point) ...
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How to implement Rate It feature in Android App

...miss(); } }); ll.addView(b3); dialog.setContentView(ll); dialog.show(); } } Integrating the class is as simple as adding: AppRater.app_launched(this); To your Activity. It only needs to be added to one Activity in the entire app. ...
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Is ASCII code 7-bit or 8-bit?

...ng in which bytes 0x80 through 0xFF have no defined meaning, but that's a retcon. There are dozens of text encodings that make use of the 8th bit; they can be classified as ASCII-compatible or not, and fixed- or variable-width. ASCII-compatible means that regardless of context, single bytes with v...
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How to encrypt/decrypt data in php?

...n substr($data, 0, -ord($data[strlen($data) - 1])); } $row = $result->fetch(PDO::FETCH_ASSOC); // read from database result // $enc_name = base64_decode($row['Name']); // $enc_name = hex2bin($row['Name']); $enc_name = $row['Name']; // $iv = base64_decode($row['IV']); // $iv = hex2bin($row['IV'])...
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How to include view/partial specific styling in AngularJS

...customize where the stylesheets are injected: head, body, custom selector, etc... Supports preloading, persisting and cache busting Supports media queries and optimizes page load via matchMedia API https://github.com/door3/angular-css Here are some examples: Routes $routeProvider .when('/...