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__getattr__ on a module

...getattr__(name: str) -> Any: ... This will also allow hooks into "from" imports, i.e. you can return dynamically generated objects for statements such as from my_module import whatever. On a related note, along with the module getattr you may also define a __dir__ function at module level ...
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Should functions return null or an empty object?

What is the best practice when returning data from functions. Is it better to return a Null or an empty object? And why should one do one over the other? ...
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Is it bad practice to have a constructor function return a Promise?

...ing platform and it has many async operations going on inside. These range from grabbing the posts from directories, parsing them, sending them through template engines, etc. ...
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How to include route handlers in multiple files in Express?

... }); }); //other routes.. } And then you can require it from app.js passing the app object in this way: require('./routes')(app); Have also a look at these examples https://github.com/visionmedia/express/tree/master/examples/route-separation ...
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In java how to get substring from a string till a character c?

...ing firstWord = filename.replaceAll("\\..*","") This replaces everything from the first dot to the end with "" (ie it clears it, leaving you with what you want) Here's a test: System.out.println("abc.def.hij".replaceAll("\\..*", ""); Output: abc ...
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SQL (MySQL) vs NoSQL (CouchDB) [closed]

... Here's a quote from a recent blog post from Dare Obasanjo. SQL databases are like automatic transmission and NoSQL databases are like manual transmission. Once you switch to NoSQL, you become responsible for a lot of work that t...
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Why should I use the keyword “final” on a method parameter in Java?

... Use the keyword final when you want the compiler to prevent a variable from being re-assigned to a different object. Whether the variable is a static variable, member variable, local variable, or argument/parameter variable, the effect is entirely the same. Example Let’s see the effect in ...
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Load image from url

I have an image URL. I want to display an image from this URL in an ImageView but I am unable to do that. 16 Answers ...
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?

I've found C code that prints from 1 to 1000 without loops or conditionals : But I don't understand how it works. Can anyone go through the code and explain each line? ...
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Commit history on remote repository

...emote branch in that repository, but only the logs that you have "fetched" from their repository to your personal "copy" of the remote repository. Remember that your clone of the repository will update its state of any remote branches only by doing git fetch. You can't connect directly to the serve...