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C state-machine design [closed]

...ot C++) have all come down to a struct array and a loop. The structure basically consists of a state and event (for look-up) and a function that returns the new state, something like: typedef struct { int st; int ev; int (*fn)(void); } tTransition; Then you define your states and even...
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Why do we use Base64?

...irectly in HTML source code. Here it is necessary to encode the data to avoid characters like '<' and '>' being interpreted as tags. Here is a working example: I wish to send a text message with two lines: Hello world! If I send it as ASCII (or UTF-8) it will look like this: 72 101 10...
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How does Facebook disable the browser's integrated Developer Tools?

... would then go and return that object wrapped, like //return ev.call (is, '', '({test:true})', 'completion', true, false, true); //Would make `test` pop up for every autocompletion. //Note that syntax as well as every Object.prototype property get's added to that lis...
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What's the difference between EscapeUriString and EscapeDataString?

... It's basically the same difference. If you actually read the article, there's a table around the middle that actually escapes (not unescapes) to show the differences (comparing with URLEncode too). – Jcl ...
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How to create a backup of a single table in a postgres database?

... what did you mean: abstract_file_path? – bandungeuy Sep 22 '18 at 21:56 3 ...
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How to set the thumbnail image on HTML5 video?

Is there a way to set thumbnail image on HTML5 video? I want to see some pictures before play. My code looks like this: 7 A...
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What exactly are iterator, iterable, and iteration?

... loop, or map, or a list comprehension, etc. in Python, the next method is called automatically to get each item from the iterator, thus going through the process of iteration. A good place to start learning would be the iterators section of the tutorial and the iterator types section of the standa...
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Can constructors be async?

...ible), you can easily encapsulate all the code in an async void method and call that from your constructor, as you mentioned in the question. share | improve this answer | fo...
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var functionName = function() {} vs function functionName() {}

...(); function functionTwo() { console.log("Hello!"); } Historically, function declarations defined within blocks were handled inconsistently between browsers. Strict mode (introduced in ES5) resolved this by scoping function declarations to their enclosing block. 'use strict'; ...
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How can I view the source code for a function?

...ound for function "extract" and signature SpatialPolygons Functions that call unexported functions In the case of ts.union, .cbindts and .makeNamesTs are unexported functions from the stats namespace. You can view the source code of unexported functions by using the ::: operator or getAnywhere. ...