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Syntax behind sorted(key=lambda: …)
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key is a function that will be called to transform the collection's items before they are compared. The parameter passed to key must be something that is callable.
The use of lambda creates an anonymous function (which is callable)....
Why does C++11 not support designated initializer lists as C99? [closed]
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The C++ replacement for this could be named function arguments. But as of right now, name arguments don't officially exist. See N4172 Named arguments for a proposal of this. It would make code less error prone and easier to read.
– David Baird
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string c_str() vs. data()
...lements of your string are character based.
Extra: In C++11 onwards, both functions are required to be the same. i.e. data is now required to be null-terminated. According to cppreference: "The returned array is null-terminated, that is, data() and c_str() perform the same function."
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Is inline assembly language slower than native C++ code?
...are the performance of inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code:
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I've found my software as cracked download on Internet, what to do?
...are if the code would have worked for them. This is a product with a fully functional 30 day trial, so they had already fully tested the software. Also, the product was under $20 USD, so it wasn't an expensive one.
Other people I know have tried the redirect bogus codes to a web page technique with...
What to do about Eclipse's “No repository found containing: …” error messages?
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Option #2 seems to be the only one functional on Luna.
– Luís de Sousa
Mar 4 '15 at 9:13
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Returning a C string from a function
I am trying to return a C string from a function, but it's not working. Here is my code.
14 Answers
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Best practices for Storyboard login screen, handling clearing of data upon logout
...Controller
}
return true
In Sign up view controller:
@IBAction func actionSignup(_ sender: Any) {
let appDelegateTemp = UIApplication.shared.delegate as? AppDelegate
appDelegateTemp?.window?.rootViewController = UIStoryboard(name: "Main", bundle: Bundle.main).instantiateInitialViewContro...
What's the difference between a Future and a Promise?
...ue and status), and may be used as a CompletionStage, supporting dependent functions and actions that trigger upon its completion.
An example is also given on the list:
f.then((s -> aStringFunction(s)).thenAsync(s -> ...);
Note that the final API is slightly different but allows similar...
Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
...OT 5 evaluates to -6, which is also TRUE! Finding this sort of bug is not fun.
Best Practices
Given the de facto rules that zero is interpreted as FALSE and any non-zero value is interpreted as TRUE, you should never compare boolean-looking expressions to TRUE or FALSE. Examples:
if (thisValue ...