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Returning unique_ptr from functions
... move semantics. Yet, I can return a unique_ptr<T> from a function and assign the returned value to a variable.
6 A...
How to get a string after a specific substring?
...ring.split("world",1)[1]
split takes the word(or character) to split on and optionally a limit to the number of splits.
In this example split on "world" and limit it to only one split.
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Why Func instead of Predicate?
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While Predicate has been introduced at the same time that List<T> and Array<T>, in .net 2.0, the different Func and Action variants come from .net 3.5.
So those Func predicates are used mainly for consistency in the LINQ operators. As of .net 3.5, about using Func<T> and Action...
What is the combinatory logic equivalent of intuitionistic type theory?
I recently completed a university course which featured Haskell and Agda (a dependent typed functional programming language), and was wondering if it was possible to replace lambda calculus in these with combinatory logic. With Haskell this seems possible using the S and K combinators, thus making i...
How to get a list of properties with a given attribute?
I have a type, t , and I would like to get a list of the public properties that have the attribute MyAttribute . The attribute is marked with AllowMultiple = false , like this:
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Passing Objects By Reference or Value in C#
... have always thought that non-primitive variables were passed by reference and primitive values passed by value.
7 Answers
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stdbool.h C99标准杂谈 - c++1y / stl - 清泛IT社区，为创新赋能！
include <stdbool.h> 找不到头文件？？？
bool 是C++中的关键字，C中不支持
所以C99标准中引入了头文件 stdbool.h，包含了四个用于布尔型的预定义宏：
#define true 1
#define false 0
#define bool _Bool
typdef int _Bool
但是很遗憾，Visual C++...
使用自带的web浏览器播放视频的链接，播放哔哩哔哩里上传的视频，因为是...
本帖最后由 2878646354 于 2024-07-17 15:21 编辑
不知道为什么腾讯视频插入视频的嵌入链接的时候可以展示视频的界面，但是点击播放以后就卡住不动了换成哔哩哔哩的链接可以正常显示使用的是自带自带的web浏览器，先创建一个...
Whitespace Matching Regex - Java
...is strictly required to meet UTS#18’s RL1.2! What it does have is not standards-conforming, alas.
Unicode defines 26 code points as \p{White_Space}: 20 of them are various sorts of \pZ GeneralCategory=Separator, and the remaining 6 are \p{Cc} GeneralCategory=Control.
White space is a pretty s...
C++11 reverse range-based for-loop
...e key observation is that range-based for-loops work by relying on begin() and end() in order to acquire the range's iterators. Thanks to ADL, one doesn't even need to define their custom begin() and end() in the std:: namespace.
Here is a very simple-sample solution:
// --------------------------...