character-encoding

问题 Right now I'm building a small app that imports data from a spreadsheet and due to the nature of the original entry, there is a string being read in that has values such as 8½, 2½, etc. My goal with a simple function is to convert 2½ into float 2.5, for example. I've tried the .to_f method but that has left me with a weird value of 2.02½. Any insight or suggestions here would be very much appreciated! 回答1: Unicode only supports a small number of vulgar fractions so a simple lookup table will

问题 Right now I'm building a small app that imports data from a spreadsheet and due to the nature of the original entry, there is a string being read in that has values such as 8½, 2½, etc. My goal with a simple function is to convert 2½ into float 2.5, for example. I've tried the .to_f method but that has left me with a weird value of 2.02½. Any insight or suggestions here would be very much appreciated! 回答1: Unicode only supports a small number of vulgar fractions so a simple lookup table will

问题 I'm trying to make my program work with unicode characters. I'm using Visual Studio 2010 on a Windows 7 x32 machine. What I want to print is the queen symbol ("\ul2655") and it just doesn't work. I've set my solution to use unicode. This is my sample code: #include <iostream> using namespace std; int main() { SetConsoleOutputCP(CP_UTF8); wcout << L"\u2655"; return 0; } Also, I've tried many other suggestions, but nothing worked. (eg. change the cmd font, apply chcp 65001, which is the same as

问题 I'm trying to make my program work with unicode characters. I'm using Visual Studio 2010 on a Windows 7 x32 machine. What I want to print is the queen symbol ("\ul2655") and it just doesn't work. I've set my solution to use unicode. This is my sample code: #include <iostream> using namespace std; int main() { SetConsoleOutputCP(CP_UTF8); wcout << L"\u2655"; return 0; } Also, I've tried many other suggestions, but nothing worked. (eg. change the cmd font, apply chcp 65001, which is the same as

问题 I'm using Google map API to add markers and add information to them but the problem is with the Arabic characters it's displayed like strange symbols though page encoding is utf-8 var locations = [ ['<div class="content" style="dir:rtl; text-align:right;">'+ '<div id="siteNotice">'+ '</div>'+ '<h1 id="firstHeading" class="firstHeading"><?= "المنزل الأول" ?></h1>'+ '<div id="bodyContent">'+ '<p>العنوان بالتفصيل, <a href="https://en.wikipedia.org/w/index.php?title=Uluru&oldid=297882194">'+

问题 I'm using Google map API to add markers and add information to them but the problem is with the Arabic characters it's displayed like strange symbols though page encoding is utf-8 var locations = [ ['<div class="content" style="dir:rtl; text-align:right;">'+ '<div id="siteNotice">'+ '</div>'+ '<h1 id="firstHeading" class="firstHeading"><?= "المنزل الأول" ?></h1>'+ '<div id="bodyContent">'+ '<p>العنوان بالتفصيل, <a href="https://en.wikipedia.org/w/index.php?title=Uluru&oldid=297882194">'+

问题 For Oracle, is there a matrix/tabulated info on storage allocations given various character encoding. For example: size_of_col_in(AL32UTF8) == 4 * size_of_col_in(WE8ISO8859P1) I am interested in that factor value 4 回答1: Unless you are only interested in the maximum change, your example is not correct. AL32UTF8 is a variable-length character set. Speaking in general terms, any character that is in the US7ASCII character set will take 1 byte, European characters generally require 2 bytes,

问题 Is it possible for a string generated from a base64 encoding to have a space (' ') in it? 回答1: No. Next question? http://en.wikipedia.org/wiki/Base64#Variants_summary_table Actually, spaces and CRLFs are usually silently skipped during the decoding, as they might appear as a result of splitting long strings. 回答2: By reading the http://en.wikipedia.org/wiki/Base64 wiki it seems that in Base64 transfer encoding for MIME (RFC 2045) spaces are allowed and discarded. In all other variants they are

问题 I got problems while reading arabic characters from oracle in java using JDBC driver, the main problem was i couldn't find the proper character encoding to get the correct data , but i solved the problem manually using this method: public static String cleanORCLString(String s) throws UnsupportedEncodingException { byte[] bytes = s.getBytes("UTF16"); String x = new String(bytes, "Cp1256"); String finalS = x.substring(3); StringBuilder sb = new StringBuilder(finalS); for(int k = sb.length() -

问题 I tried to search previous discussion about this issue but I didn't find one, maybe it's because I didn't use right keywords. I am writing a small program which posts data to a webpage and gets the response. The site I'm posting data to does not provide an API. After some Googling I came up to the use of HttpWebRequest and HttpWebResponse. The code looks like this: HttpWebRequest httpRequest = (HttpWebRequest)WebRequest.Create("https://www.site.com/index.aspx"); CookieContainer cookie = new