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What is the difference between the OAuth Authorization Code and Implicit workflows? When to use each

... The access_token is what you need to call a protected resource (an API). In the Authorization Code flow there are 2 steps to get it: User must authenticate and returns a code to the API consumer (called the "Client"). The "client" of the API (usually your web s...
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List all tables in postgresql information_schema

What is the best way to list all of the tables within PostgreSQL's information_schema? 8 Answers ...
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RESTfully design /login or /register resources?

...ounter. [...] [... H]andling [of GET requests] by the server is not technically limited in any way. Therefore, careless or deliberate programming can cause non-trivial changes on the server. This is discouraged, because it can cause problems for Web caching, search engines and other automated agents...
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“f” after number

... CGRect frame = CGRectMake(0.0f, 0.0f, 320.0f, 50.0f); uses float constants. (The constant 0.0 usually declares a double in Objective-C; putting an f on the end - 0.0f - declares the constant as a (32-bit) float.) CGRect frame = CGRectMake(0, 0, 320, 50); use...
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Regular Expression to match only alphabetic characters

...z]+$/ to match an input string of ASCII alphabets. [A-Za-z] will match all the alphabets (both lowercase and uppercase). ^ and $ will make sure that nothing but these alphabets will be matched. Code: preg_match('/^[A-Z]+$/i', "abcAbc^Xyz", $m); var_dump($m); Output: array(0) { } Test cas...
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What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?

... aesedeaesede 4,74622 gold badges3131 silver badges3232 bronze badges ...
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Design Patterns: Factory vs Factory method vs Abstract Factory

... All three Factory types do the same thing: They are a "smart constructor". Let's say you want to be able to create two kinds of Fruit: Apple and Orange. Factory Factory is "fixed", in that you have just one implementation ...
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Make a UIButton programmatically in Swift

..., 500) myFirstButton.addTarget(self, action: #selector(myClass.pressed(_:)), forControlEvents: .TouchUpInside) self.view.addSubview(myFirstLabel) self.view.addSubview(myFirstButton) } @objc func pressed(sender: UIButton!) { var alertView = UIAlertView() alertView.addButtonWithTi...
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Haskell Type vs Data Constructor

...erstanding type constructors and data constructors. For example, I don't really understand the difference between this: 6 A...
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How to export DataTable to Excel

....Select(val => $"\"{val}\""))); lines.AddRange(valueLines); File.WriteAllLines("excel.csv", lines); This will write a new file excel.csv into the current working directory which is generally either where the .exe is or where you launch it from. ...