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Get image data url in JavaScript?

...on. The images seem very similar/the same, still the Javascripted one is smaller and I'd love them to be exactly the same. One more thing: the input image is a small (594 bytes), 28x30 PNG with transparent background -- if that changes anything. – Detariael Ju...
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How to generate unique ID with node.js

... 'Generates cryptographically strong pseudo-random data.' API – Stanislasdrg Reinstate Monica May 2 '18 at 10:47 1 ...
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When would anyone use a union? Is it a remnant from the C-only days?

I have learned but don't really get unions. Every C or C++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming ...
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Remove all the children DOM elements in div

...by references from other JS objects. For example: a gfx surface references all its children, a group references all its children too, and so on. Deleting just DOM nodes is not enough. – Eugene Lazutkin Jul 2 '13 at 22:16 ...
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Best way to serialize an NSData into a hexadeximal string

... important to take the energy to serialize it without piggy-backing off an API that is meant for something else other than data serialization. @implementation NSData (Hex) - (NSString*)hexString { NSUInteger length = self.length; unichar* hexChars = (unichar*)malloc(sizeof(unichar) * (leng...
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Node.js project naming conventions for files & folders

... your tests An example which uses this setup is nodejs-starter. I personally changed this setup to: / /etc - contains configuration /app - front-end javascript files /config - loads config /models - loads models /bin - helper scripts /lib - back-end express files /config - lo...
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Call method in directive controller from other controller

...would implement something like this. I came up with this (fiddle); Basically, instead of trying to call a directive from a controller, I created a module to house all the popdown logic: var PopdownModule = angular.module('Popdown', []); I put two things in the module, a factory for the API whi...
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Best practice to return errors in ASP.NET Web API

... For me I usually send back an HttpResponseException and set the status code accordingly depending on the exception thrown and if the exception is fatal or not will determine whether I send back the HttpResponseException immediately. At ...
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Optional Parameters in Go?

...ety of methods with the same name but different signatures was occasionally useful but that it could also be confusing and fragile in practice. Matching only by name and requiring consistency in the types was a major simplifying decision in Go's type system. ...
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How to print instances of a class using print()?

...o says "format() method [...] The plan is to eventually make this the only API for string formatting, and to start deprecating the % operator in Python 3.1." – Ashwin Nanjappa Oct 9 '09 at 6:03 ...