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Stack, Static, and Heap in C++

...t understood very well these three concepts. When do I have to use dynamic allocation (in the heap) and what's its real advantage? What are the problems of static and stack? Could I write an entire application without allocating variables in the heap? ...
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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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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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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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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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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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notifyDataSetChange not working from custom adapter

... answered Jan 27 '19 at 17:32 Dũng Phạm TiếnDũng Phạm Tiến 3733 bronze badges ...
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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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How to wait in a batch script? [duplicate]

... chakritchakrit 53.8k2323 gold badges124124 silver badges158158 bronze badges ...
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可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术

... fchown lstat setgid symlink aio_error fcntl mkdir setpgid sysconf aio_return fdatasync mkfifo setsid tcdrain aio_suspend fork open setsockop...