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How many characters can UTF-8 encode?

...s 8 bits, does it not mean that there can be only maximum of 256 different characters? 10 Answers ...
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Is there a way to ignore header lines in a UNIX sort?

...ugh sort. Note that this has the very specific advantage of being able to selectively sort parts of a piped input. all the other methods suggested will only sort plain files which can be read multiple times. This works on anything. ...
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Read/Write String from/to a File in Android

...ilder.append(receiveString).append("\n");". If you expect other linebreak characters (e.g. Windows text files will have \r etc..), in your final string, you'll have to adapt this a bit more. – treesAreEverywhere Feb 9 '14 at 23:57 ...
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How can I remove a substring from a given String?

...ng, for the first max values of the search String. static String replaceChars(String str, char searchChar, char replaceChar) Replaces all occurrences of a character in a String with another. static String replaceChars(String str, String searchChars, String replaceChars) Replaces multiple cha...
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Read/write files within a Linux kernel module

...ad.h> Opening a file (similar to open): struct file *file_open(const char *path, int flags, int rights) { struct file *filp = NULL; mm_segment_t oldfs; int err = 0; oldfs = get_fs(); set_fs(get_ds()); filp = filp_open(path, flags, rights); set_fs(oldfs); if (I...
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Best way to track onchange as-you-type in input type=“text”?

...e', inputHandler); // for IE8 // Firefox/Edge18-/IE9+ don’t fire on <select><option> // source.addEventListener('change', inputHandler); <input id="source"> <div id="result"></div> ...
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Converting bool to text in C++

...ation (which avoids the issue that Rodney and dwj mentioned. inline const char * const BoolToString(bool b) { return b ? "true" : "false"; } Aside from that I have a few other gripes, particularly with the accepted answer :) // this is used in C, not C++. if you want to use printf, instead inc...
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Keep only first n characters in a string?

... are you'.substring(0,8); Which returns the string starting at the first character and finishing before the 9th character - i.e. 'Hiya how'. substring documentation share | improve this answer ...
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C#位运算符(C#按位与、按位或 等) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...&15; printf("a=%d\tb=%d\n",a,b); } 请再看一例! main(){ char a='a',b='b'; int p,c,d; p=a; p=(p<<8)|b; d=p&0xff; c=(p&0xff00)>>8; printf("a=%d\nb=%d\nc=%d\nd=%d\n",a,b,c,d); } 六、 右移运算符(>>) 1、运算规则 用来将一个...
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How to convert UTF-8 byte[] to string?

... LINQ it: var decBytes2 = str.Split('-').Select(ch =&gt; Convert.ToByte(ch, 16)).ToArray(); – drtf Jul 13 '14 at 14:43 ...