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Why cast unused return values to void?
Is there any reason for casting an unused return value to void, or am I right in thinking it's a complete waste of time?
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Do I cast the result of malloc?
In this question , someone suggested in a comment that I should not cast the result of malloc , i.e.
29 Answers
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CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
CDN（内容分发网络）技术原理1 前言 Internet的高速发展，给人们的工作和生活带来了极大的便利，对Internet的服务品质和访问速度要求越来越高，虽然带宽不断增加， 1. 前言
Internet的高速发展，给人们的工作和生活带来了...
转型产品经理必看 - 更多技术 - 清泛网 - 专注C/C++及内核技术
转型产品经理必看这是一篇长文，我花了差不多30分钟才看完，也是我见过有史以来最长最完整的一篇关于程序员转型产品经理的文章。创办人人都是产品经理以来，...这是一篇长文，我花了差不多30分钟才看完，也是我见过有...
How to cast List to List
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you can always cast any object to any type by up-casting it to Object first. in your case:
(List<Customer>)(Object)list;
you must be sure that at runtime the list contains nothing but Customer objects.
Critics say that such cast...
Windows远程桌面授权错误（授权超时）等报错信息疑难解答 - 更多技术 - 清...
Windows远程桌面授权错误（授权超时）等报错信息疑难解答windows_rdp_error_resolve由于无法升级或续订本地计算机的客户端访问许可证，远程会话被中断。
由于授权协议出错，远程计算机中断了会话。
由于授权协议中发生网络问题...
Datatype for storing ip address in SQL Server
...ETURNS BINARY(4)
AS
BEGIN
DECLARE @bin AS BINARY(4)
SELECT @bin = CAST( CAST( PARSENAME( @ip, 4 ) AS INTEGER) AS BINARY(1))
+ CAST( CAST( PARSENAME( @ip, 3 ) AS INTEGER) AS BINARY(1))
+ CAST( CAST( PARSENAME( @ip, 2 ) AS INTEGER) AS BINARY(1))
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Does it make sense to use “as” instead of a cast even if there is no null check? [closed]
.... That sounds like trying to micro-optimize to me. You should use a normal cast when you are sure of the type. Besides generating a more sensible exception, it also fails fast. If you're wrong about your assumption about the type, your program will fail immediately and you'll be able to see the caus...
Why is `std::move` named `std::move`?
... std::move(x) function doesn't really move anything at all. It is just a cast to r-value. Why was this done? Isn't this misleading?
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Unable to Cast from Parent Class to Child Class
I am trying to cast from a parent class to a child class but I get an InvalidCastException. The child class only has one property of type int. Does anyone know what I need to do?
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