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Remove duplicate values from JS array [duplicate]
...bout types (e.g. it's always numbers), this solution is optimal.
The best from two worlds
A universal solution combines both approaches: it uses hash lookups for primitives and linear search for objects.
function uniq(a) {
var prims = {"boolean":{}, "number":{}, "string":{}}, objs = [];
...
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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Remove trailing newline from the elements of a string list
...strip() as mentioned above, or use the strip function which you can import from the strings module.
– Cito
Nov 3 '11 at 10:18
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How can I load storyboard programmatically from class?
...ton on the new view, and there is now a memory leak with that discarded vc from the prior incantations of this code.
– SWoo
Feb 6 '14 at 19:48
11
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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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__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 ...
Reference one string from another string in strings.xml?
I would like to reference a string from another string in my strings.xml file, like below (specifically note the end of the "message_text" string content):
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Linking to an external URL in Javadoc?
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Taken from the javadoc spec
@see <a href="URL#value">label</a> :
Adds a link as defined by URL#value. The URL#value is a relative or absolute URL. The Javadoc tool distinguishes this from other cases by looking for a l...
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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NSPredicate: filtering objects by day of NSDate property
...ponents = [calendar components:(NSCalendarUnitYear | NSCalendarUnitMonth ) fromDate:[NSDate date]];
//create a date with these components
NSDate *startDate = [calendar dateFromComponents:components];
[components setMonth:1];
[components setDay:0]; //reset the other components
[components setYear:0];...