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C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
...2012下编译你会得到一个警告：“arning C4200: 使用了非标准扩展 : 结构/联合中的零大小数组”。
那么为什么gcc可以通过而连一个警告都没有？那是因为gcc 为了预先支持C99的这种玩法，所以，让“零长度数组”这种玩法合法了。...
PHP: How to remove all non printable characters in a string?
...the other answers here do not take into account unicode characters (e.g. öäüßйȝîûηыეமிᚉ⠛ ). In this case you can use the following:
$string = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x9F]/u', '', $string);
There's a strange class of characters in the range \x80-\x9F (J...
What are the differences between Rust's `String` and `str`?
...r fewer bytes than there were before (e.g. replacing an a (1 byte) with an ä (2+ bytes) would require making more room in the str). There are specific methods that can modify a &mut str in place, mostly those that handle only ASCII characters, like make_ascii_uppercase.
2 Dynamically sized type...
Converting between strings and ArrayBuffers
Is there a commonly accepted technique for efficiently converting JavaScript strings to ArrayBuffers and vice-versa? Specifically, I'd like to be able to write the contents of an ArrayBuffer to localStorage and to read it back.
...
使用Activity启动器组件 · App Inventor 2 中文网
...用程序来组合应用程序。 这是通过利用其他应用程序来扩展 App Inventor 功能的关键方法，无论它们是使用 App Inventor 创建的应用程序还是“外部应用程序”（即不是使用 App Inventor 创建的应用程序）。 这些可以是你或其他人创建...
Compression/Decompression string with C#
... only for UTF8-based things. If you add in, say, Swedish characters like åäö to the string value you're serialize/deserializing it will fail a round-trip test :/
– bc3tech
Aug 21 '19 at 12:32
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Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
... Dec 18 '17 at 15:14
Linus Unnebäck
14k99 gold badges5959 silver badges7575 bronze badges
answered Jun 12 '13 at 11:20
...
Django Setup Default Logging
...ation was not found in Django documentation.
– Eino Mäkitalo
Mar 12 '13 at 10:11
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show 3 more comments
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一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...的三大技术。此外，为了保证区块链技术的可进化性与可扩展性，区块链系统设计者还引入了“脚本”的概念来实现数据库的可编程性。我们认为，这四大技术构成了区块链的核心技术。
核心技术1：区块+链
关于如何建立一个...
内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...上都是相同的。以下内容绝大部分是“纯 C”语言，对于扩展到 C++ 主要留作练习使用。
内存泄漏
在分配资源时会发生内存泄漏，但是它从不回收。下面是一个可能出错的模型（请参见清单 1）：
清单 1. 简单的潜在堆内存丢...