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深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术

...二进制内容,不同的编码环境下显示不一致: unsigned char j = 0xa1; for(; j < 0xdf-30; j++) { char p[1024]; sprintf(p, "%d\t%02x\t%o\t%c \t %d\t%02x\t%o\t%c", j,j,j,j, j+31,j+31,j+31,j+31); std::cout << p << std::endl; } (整形,十六进制,八进制,字符...
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How to read a text file reversely with iterator in C#

... as UTF-8) you will keep having to check whether you're in the middle of a character or not when you fetch data. There's nothing built into the framework, and I suspect you'd have to do separate hard coding for each variable-width encoding. EDIT: This has been somewhat tested - but that's not to s...
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What is the best way to remove accents (normalize) in a Python unicode string?

...ccents(u"A \u00c0 \u0394 \u038E") u'A A \u0394 \u03a5' &gt;&gt;&gt; The character category "Mn" stands for Nonspacing_Mark, which is similar to unicodedata.combining in MiniQuark's answer (I didn't think of unicodedata.combining, but it is probably the better solution, because it's more explicit)...
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How can I safely encode a string in Java to use as a filename?

...If collisions must be avoided, then simple replacement or removal of "bad" characters is not the answer either. Instead you want something like this. (Note: this should be treated as an illustrative example, not something to copy and paste.) char fileSep = '/'; // ... or do this portably. char es...
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What's the best way to trim std::string?

...p;s) { s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) { return !std::isspace(ch); })); } // trim from end (in place) static inline void rtrim(std::string &amp;s) { s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) { return !std::is...
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Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and

...ent setups: 1) in an ssh window connected to a remote machine. which is 80 characters wide by default. and 2) In Visual Studio, with two panels side-by-side so I can see header and cpp file at the same time. – Enno Nov 13 '08 at 21:27 ...
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Should I impose a maximum length on passwords?

...elves), but my bank has a requirement that passwords are between 6 and 8 characters long, and I started wondering... 20 A...
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How do I read / convert an InputStream into a String in Java?

...ing (Apache Utils) String result = IOUtils.toString(inputStream, StandardCharsets.UTF_8); Using CharStreams (Guava) String result = CharStreams.toString(new InputStreamReader( inputStream, Charsets.UTF_8)); Using Scanner (JDK) Scanner s = new Scanner(inputStream).useDelimiter("\\A"); S...
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Windows batch: echo without new line

... faster is &lt;nul set /p =Hello. set /p can't echo an equal sign as first character nor spaces/tabs. – jeb Aug 18 '11 at 18:23 ...
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Count characters in textarea

I want to count characters in a textarea, so I just made: 21 Answers 21 ...