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Python : List of dict, if exists increment a dict value, if not append a new dict

... Except for the first time, each time a word is seen the if statement's test fails. If you are counting a large number of words, many will probably occur multiple times. In a situation where the initialization of a value is only going to occur once and the augmenta...
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What are the downsides to using Dependency Injection? [closed]

...hey mean, and work out what to do for their application. This is where the words "sensible defaults" can make life much simpler. Object-oriented dependency injection is no different in principle. Writing a class is an overhead, both in source-code text and in developer time, and if that class is wr...
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Are the shift operators () arithmetic or logical in C?

...erand (assuming a two's complement encoding for negative values). In other words, logical shift looks at the shifted operand as just a stream of bits and move them, without bothering about the sign of the resulting value. Arithmetic shift looks at it as a (signed) number and preserves the sign as sh...
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Android: AsyncTask vs Service

...or too long for beginners to understand. so I answered precisely in simple words with examples – arjun Feb 10 '17 at 3:16 add a comment  |  ...
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What is the difference between a shim and a polyfill?

...es5-shim and es6-shim) and Remy is particular about saying that to him the word 'shim' alluded to a custom API (by comparison with shim.gif). He is very much not dictating that the words be used in this way, and by saying "to me" he is tacitly acknowledging that his usage is not universal. ...
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Transfer-Encoding: gzip vs. Content-Encoding: gzip

...ce: https://issues.apache.org/bugzilla/show_bug.cgi?id=39727#c31 In other words: Don't do on-the-fly Content-Encoding, use Transfer-Encoding instead! Edit: That is, unless you want to serve gzipped content to clients that only understand Content-Encoding. Which, unfortunately, seems to be most of ...
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How to use unicode characters in Windows command line?

.... Console font rendering supports only Unicode characters in BMP (in other words: below U+10000). Only simple text rendering is supported (so European — and some East Asian — languages should work fine — as far as one uses precomposed forms). [There is a minor fine print here for...
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Python's many ways of string formatting — are the older ones (going to be) deprecated?

...ot practical for us to seriously contemplate killing it off) In other words, we've had two consecutive changes to the %-formatting docs intended to explicitly emphasise that it will not be deprecated, let alone removed. The docs remain opinionated on the relative merits of different kinds of st...
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How can mixed data types (int, float, char, etc) be stored in an array?

... the iPhone 5S. In iOS 7, virtual addresses are 33 bits (byte-aligned), so word-aligned addresses only use 30 bits (3 least significant bits are 0), leaving 34 bits for tags. Objective-C class pointers are word-aligned, and the tag fields are used for many purposes, such as storing a reference count...
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What is the usefulness of `enable_shared_from_this`?

... In other words the whole idea of enable_shared_from_thisis brittle to begin with since the point is to be able to get a shared_ptr<T> from a T*, but in reality when you get a pointer T* t it is generally not safe to assume anyth...