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How do I create a simple 'Hello World' module in Magento?

...el. I might have time later for the model/template related topics, but for now, I don't. I will, however, briefly speak to your SQL question. Magento uses an EAV database architecture. Whenever possible, try to use the model objects the system provides to get the information you need. I know it's a...
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What is the difference between JSON and Object Literal Notation?

...literals, number literals or identifier names as keys (since ES6, keys can now also be computed, which introduces yet another syntax). The values can be any valid JavaScript expression, including function definitions and undefined. Duplicate keys produce defined, specified results (in loose mode, th...
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Is it possible to create static classes in PHP (like in C#)?

... I know this is pretty old, but now you could use magic __callStatic so when you call any static method or anything, it will first call __callStatic, there you could see if it was initialized and then do self::$method or whatever...
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Symfony 2 EntityManager injection in service

... Update to my own solution. The proper way now should be to use Entities and Repositories. Entity Manager is already naturally injected into a repository. You can see an example here: youtu.be/AHVtOJDTx0M – Robert Saylor Oct 1 '1...
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Can Objective-C switch on NSString?

...ght after utilizations of switch statements, so hopefully they hop on the (now) Java (and others) bandwagon! If you are doing card names, perhaps assign each card object an integer value and switch on that. Or perhaps an enum, which is considered as a number and can therefore be switched upon. e.g...
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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?

... Seemed plausible, and I upvoted already (cannot rescind now), but upon further checking your claim regarding UTC is untrue. The resulting DateTime/Time object will be in UTC vs local, yes, but the original timestamp is interpreted as being in UTC in both cases! So the moment in ...
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Where is my .vimrc file?

... @Idigas I was typing :echo(xxx) on my command window but I realized now you meant to type this into the vim editor. However, even though :e xxx works, the :echo(xxx) doesn't. It says E121 Undefined Variable: xxx E15: Invalid Expression : ($xxx) – Yannis Dran ...
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Simple argparse example wanted: 1 argument, 3 results

... excellent I'm sure, is too much for my tiny beginner brain to grasp right now. I don't need to do math on the command line or meddle with formatting lines on the screen or change option characters. All I want to do is "If arg is A, do this, if B do that, if none of the above show help and quit" . ...
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Python: avoid new line with print command [duplicate]

... sys.stdout.write works oddly. I don't know the syintax for it, could you give me an example of a simple sys.stdout.write command and its output? – Javicobos Jun 29 '12 at 17:26 ...
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ARC and bridged cast

... (id)[[UIColor lightGrayColor] CGColor], nil]; Note that as of right now, Apple's example code is missing the (id) cast I have above, which is still necessary to avoid a compiler error. share | ...