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From: https://forums.asp.net/t/2096848.aspx?Session+variables+lost+after+the+call+of+Response+Redirect+method [问题] Hi Everyone, In my asp.net applicat 阅读全文
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对于一个array来说: For POD-types, a shallow copy or memcpy of the whole array is good enough, while for non-POD types, we need to perform element by element 阅读全文
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9090down voteaccepted 9090down voteaccepted Find the index of the array element you want to remove, then remove that index with splice. The splice() m 阅读全文
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From: https://www.wentong.org/codex/question-2018081564702.html When using socket.IO in a Node.js server, is there an easy way to get the IP address o 阅读全文
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https://stackoverflow.com/questions/9568150/what-is-a-c-delegate You have an incredible number of choices to achieve delegates in C++. Here are the on 阅读全文
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[问题] I am getting warning when using the std copy function. I have a byte array that I declare. Then I have a couple other byte arrays that are declar 阅读全文
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https://docs.microsoft.com/en-us/windows/desktop/Debug/structured-exception-handling An exception is an event that occurs during the execution of a pr 阅读全文
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From: https://stackoverflow.com/questions/16612444/catch-a-memory-access-violation-in-c In C++, is there a standard way (or any other way, for that ma 阅读全文
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https://www.geeksforgeeks.org/initialize-a-vector-in-cpp-different-ways/ Following are different ways to create and initialize a vector in C++ STL Ini 阅读全文
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我在MFC中使用ATL函数A2W的时候报如下的错误: error C4430: missing type specifier - int assumed. Note: C++ does not support default-int 【解决方法】 https://www.xuebuyuan.com/ 阅读全文
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上线许久的产品突然爆出了一个Mongodb 查询的BUG,错误如下: 原因比较明确:Sort operation used more than the maximum 33554432 bytes of RAM.,33554432 bytes算下来正好是32Mb,而Mongodb的sort操作是把数 阅读全文
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From: https://www.npmjs.com/package/node-cache Simple and fast NodeJS internal caching. A simple caching module that has set, get and delete methods a 阅读全文
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今天使用公司代码的日志模块记录程序运行的相关信息,发现日志总是只有两条记录,即程序启动和结束,别的都没有。跟踪了很久,终于发现是日志输出模块被我修改了一个地方:把fopen改成了fopen_s,毕竟报了warning。但是这也是问题的根源! 下面的说明来自于msdn: Files opened by 阅读全文
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[问题] I have a collection called Document in MongoDB. Documents in this collection have a field called CreationDate stored in ISO date type. My task is 阅读全文
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[问题] 2down votefavorite I am trying to fetch data based on some match condition. First I've tried this: Here ending_date is full date format Offer.agg 阅读全文