大约有 24,971 项符合查询结果(耗时:0.0370秒) [XML]

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Colors with unix command “watch”?

Some commands that I use display colors, but when I use them with watch the colors disappears: 6 Answers ...
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Does static constexpr variable inside a function make sense?

If I have a variable inside a function (say, a large array), does it make sense to declare it both static and constexpr ? constexpr guarantees that the array is created at compile time, so would the static be useless? ...
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Angular JS: What is the need of the directive’s link function when we already had directive’s contro

I need to perform some operations on scope and the template. It seems that I can do that in either the link function or the controller function (since both have access to the scope). ...
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Difference between solr and lucene

I know that Lucene and Solr are 2 differents Apache projects that are made to work together, but I don't understand what is the aim of each project. ...
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What does “Content-type: application/json; charset=utf-8” really mean?

When I make a POST request with a JSON body to my REST service I include Content-type: application/json; charset=utf-8 in the message header. Without this header, I get an error from the service. I can also successfully use Content-type: application/json without the ;charset=utf-8 portion. ...
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Multiprocessing - Pipe vs Queue

What are the fundamental differences between queues and pipes in Python's multiprocessing package ? 2 Answers ...
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字符串指针变量与字符数组的区别 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 设有定义字符型指针变量与字符数组的语句如下:  char *pc ,str[100];  则系统...使用字符串指针变量与字符数组的区别 (1)分配内存   设有定义字符型指针变量与字符数组的语句如下:   char *pc ,str[100];   则系...
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Windows下如何判断Win32 or x64? - C/C++ - 清泛网 - 专注C/C++及内核技术

Windows下如何判断Win32 or x64?MSDN 里说,VC 有 3 个预处理常量,分别是 _WIN32,_WIN64,WIN32。这三个常量如何使用呢?看起来简单,其实是很困惑的。  在 Win3...MSDN 里说,VC 有 3 个预处理常量,分别是 _WIN32,_WIN64,WIN32。这三个...
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VS Debug调试模式下内存泄露检测原理 - C/C++ - 清泛网 - 专注C/C++及内核技术

...泄露检测原理内存泄露检测基本原理:程序调用new、malloc、realloc等内存分配函数时,将分配的内存地址,分配的大小、第几次分配、分配函数调用所在的文...内存泄露检测基本原理: 程序调用new、malloc、realloc等内存分配函数...
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What GRANT USAGE ON SCHEMA exactly do?

I'm trying to create for the first time a Postgres database, so this is probably a stupid question. I assigned basic read-only permissions to the db role that must access the database from my php scripts, and I have a curiosity: if I execute ...