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• Interpretation of Greek characters by FOP

  - by Geek

  Hi, Can you please help me interpret the Greek Characters with HTML display as HTML= & #8062; and Hex value 01F7E Details of these characters can be found on the below URL http://www.isthisthingon.org/unicode/index.php?page=01&subpage=F&hilite=01F7E When I run this character in Apache FOP, they give me an ArrayIndexOut of Bounds Exception Caused by: java.lang.ArrayIndexOutOfBoundsException: -1 at org.apache.fop.text.linebreak.LineBreakUtils.getLineBreakPairProperty(LineBreakUtils.java:668) at org.apache.fop.text.linebreak.LineBreakStatus.nextChar(LineBreakStatus.java:117) When I looked into the FOP Code, I was unable to understand the need for lineBreakProperties[][] Array in LineBreakUtils.java. I also noticed that FOP fails for all the Greek characters mentioned on the above page which are non-displayable with the similar error. What are these special characters ? Why is their no display for these characters are these Line Breaks or TAB’s ? Has anyone solved a similar issue with FOP ?

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• All words in a trie data-structure

  - by John Smith

  I'm trying to put all words in a trie in a string, a word is detonated by the eow field being true for a certain character in the trie data structure, hence a trie can could have letters than lead up to no word, for ex "abc" is in the trie but "c"'s eow field is false so "abc" is not a word Here is my Data structure struct Trie { bool eow; //when a Trie field isWord = true, hence there is a word char letter; Trie *letters[27]; }; and here is my attemped print-all function, basically trying to return all words in one string seperated by spaces for words string printAll( string word, Trie& data) { if (data.eow == 1) return word + " "; for (int i = 0; i < 26; i++) { if (data.letters[i] != NULL) printAll( word + data.letters[i]->letter, *(data.letters[i])); } return ""; } Its not outputting what i want, any suggestions?

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• Assembly Jump conditionals -- jae vs. jbe

  - by Raven Dreamer

  Hi, all! I'm working on an assembly program (intel 8086). I'm trying to determine whether an input character (stored in dl) is within a certain range of hex values. cmp dl, 2Eh ;checks for periods je print ;jumps to print a "." input cmp dl, 7Ah ;checks for outside of wanted range jae input ; returns to top Please confirm that this is a correct interpretation of my code: step 1: if dl = 2E, goto print Step 2: if dl = 7A is false, goto input [if dl < 7A, goto input]

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• How to post Arabic characters in PHP

  - by Peter Stuart

  Okay, So I am writing an OpenCart extension that must allow Arabic characters when posting data. Whenever I post ????? the print_r($_POST) returns with this: u0645u0631u062du0628u0627 I check the HTML header and it has this: <meta charset="UTF-8" /> I checked the PHP file that triggers all SQL queries and it has this code: mysql_query("SET NAMES 'utf8'", $this->link); mysql_query("SET CHARACTER SET utf8", $this->link); mysql_query("SET CHARACTER_SET_CONNECTION=utf8", $this->link); This is in my form tag: <form action="<?php echo $action; ?>" method="post" enctype="multipart/form-data" id="form" accept-charset="utf-8"> I can't think of what else I am doing wrong. The rest of the OpenCart framework supports UTF8 and arabic characters. It is just in this instance where I can't post anything arabic? Could someone please help me? Many Thanks Peter

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• Read entire file in Scala?

  - by Brendan OConnor

  What's a simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.) The best I can come up with is: scala.io.Source.fromPath("file.txt").getLines.reduceLeft(_+_) or am I supposed to use one of Java's god-awful idioms, the best of which (without using an external library) seems to be: import java.util.Scanner import java.io.File new Scanner(new File("file.txt")).useDelimiter("\\Z").next() From reading mailing list discussions, it's not clear to me that scala.io.Source is even supposed to be the canonical I/O library. I don't understand what its intended purpose is, exactly. ... I'd like something dead-simple and easy to remember. For example, in these languages it's very hard to forget the idiom ... Ruby open("file.txt").read Ruby File.read("file.txt") Python open("file.txt").read()

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• subset a data.frame with multiple conditions

  - by pslice

  Suppose my data looks like this: 2372 Kansas KS2000111 HUMBOLDT, CITY OF ATRAZINE 1.3 05/07/2006 9104 Kansas KS2000111 HUMBOLDT, CITY OF ATRAZINE 0.34 07/23/2006 9212 Kansas KS2000111 HUMBOLDT, CITY OF ATRAZINE 0.33 02/11/2007 2094 Kansas KS2000111 HUMBOLDT, CITY OF ATRAZINE 1.4 05/06/2007 16763 Kansas KS2000111 HUMBOLDT, CITY OF ATRAZINE 0.61 05/11/2009 1076 Kansas KS2000111 HUMBOLDT, CITY OF METOLACHLOR 0.48 05/12/2002 1077 Kansas KS2000111 HUMBOLDT, CITY OF METOLACHLOR 0.3 05/07/2006 I want to be able to subset by the Analyte and a partial match on the date(namely I just want the year). I have been trying this, but I know it isn't quite right. data[data$Analyte=="ATRAZINE" & grep("2006",as.character(data$Date)),] Any suggestions?

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• Can't find which row is causing conversion error

  - by Marwan

  I have the following table: CREATE TABLE [dbo].[Accounts1]( [AccountId] [nvarchar](50) NULL, [ExpiryDate] [nvarchar](50) NULL ) I am trying to convert nvarchar to datetime using this query: select convert(datetime, expirydate) from accounts I get this error: Conversion failed when converting datetime from character string. The status bar says "2390 rows". I go to rows 2390, 2391 and 2392. There is nothing wrong with the data there. I even try to convert those particular rows and it works. How can I find out which row(s) is causing the conversion error?

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• MySQL: Blank row in table after LOAD DATA INFILE

  - by Tom

  Hi, I'm uploading a large amount of data from a CSV (I'm doing it via MySQL Workbench): LOAD DATA INFILE 'C:/development/mydoc.csv' INTO TABLE mydatabase.mytable CHARACTER SET utf8 FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' LINES TERMINATED BY '\r'; However, I'm noticing that it keeps adding an empty line full of nulls/zeros after the last record. I'm guessing it's because of the "LINES TERMINATED" command. However, I need that to load the data in correctly. Is there some way around this / some better SQL to avoid the blank row in the table? Thanks

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• Invoke Java via Batch File with Filepath Arguments

  - by EricIdyll

  Hi there, I'm having an issue getting files loaded into an app called GCS, by dragging them onto the executable. GCS can be invoked on Windows with a bat file, which goes like this: @echo off start javaw -Xmx256M -jar "GURPS Character Sheet.app/Contents/Resources/Java/GCS.jar" %* If I hard code a filepath in place of the batch argument wildcard (with quotes), it works. If I run the debugger with a filepath argument it works. If I echo %, it gives me the correct filename with quotes around it. If I add quotes around % it still breaks. I have a disconnect here between DOS and Java, and I'm at a loss. Does anyone recognize this problem? Thanks in advance.

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• Clear command line output from Python [Eclipse]

  - by Tomas Lycken

  I'm using Eclipse for writing Python, and I want to be able to easily clear the screen. I've seen this question, and tried (among other things suggested there) the following solution import os def clear(): os.system('cls' if os.name == 'nt' else 'clear') but it doesn't entirely solve my problem. Instead of clearing the screen, the routine prints a small square (as if wanting to print an unknown character) to the command output window in Eclipse. Typing cls in the command line works perfectly fine, as does running a Python script with the above code from command line. But how can I make it look nice in Eclipse as well?

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• Run Sql file in MYSQL PHPMyadmin

  - by Dev

  Hi All, I have written the SQL file with on excecuting it is throwing the error as mysql @"C:\Documents and Settings\Hemant\Desktop\create_tables.sql"; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '@"C:\ Documents and Settings\Hemant\Desktop\create_tables.sql"' at line 1 on line 1 code is CREATE DATABASE IF NOT EXISTS test; DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci; USE test; please let me know is i am missing something

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• Embedding a querystring parameter in a hidden input with JSP results ing 500 error.

  - by dacracot

  I need a hidden input to contain the value passed by the querystring via a JSP's URL. The URL looks like... http://nowhere.com/myapp/blah.jsp?key=12345 The JSP looks like... <html> <body> <input id="key" type="hidden" value="<%=request.getParameter('key')%>" /> </body> </html> This causes a 500 error... SEVERE: Servlet.service() for servlet jsp threw exception org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 3 in the jsp file: /myapp/blah.jsp Invalid character constant 1: <html> 2: <body> 3: <input id="key" type="hidden" value="<%=request.getParameter('key')%>" /> 4: </body> 5: </html>

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• In LaTeX, how can one add a header/footer in the document class Letter?

  - by Brian M. Hunt

  In LaTeX, how can one create a document using the Letter documentclass, but with customized headers and footers? Typically I would use: \usepackage{fancyhdr} \pagestyle{fancy} \lhead{\footnotesize \parbox{11cm}{Custom left-head-note} } \lfoot{\footnotesize \parbox{11cm}{\textit{#2}}} \rfoot{\footnotesize Page \thepage\ of \pageref{LastPage}} \renewcommand\headheight{24pt} \renewcommand\footrulewidth{0.4pt} However, with \documentclass{letter}, this doesn't work at all. Suggestions are duly appreciated. EDIT: Here is sample code that doesn't work (for any apparent reason): \documentclass[12pt]{letter} \usepackage{fontspec}% font selecting commands \usepackage{xunicode}% unicode character macros \usepackage{xltxtra} % some fixes/extras % page counting, header/footer \usepackage{fancyhdr} \usepackage{lastpage} \pagestyle{fancy} \lhead{\footnotesize \parbox{11cm}{Draft 1} } \lfoot{\footnotesize \parbox{11cm}{\textit{2}}} \cfoot{} \rhead{\footnotesize 3} \rfoot{\footnotesize Page \thepage\ of \pageref{LastPage}} \renewcommand{\headheight}{24pt} \renewcommand{\footrulewidth}{0.4pt} \begin{document} \name{ Joe Laroo } \signature{ Joe Laroo } \begin{letter}{ To-Address } \renewcommand{\today}{ February 16, 2009 } \opening{ Opening } Content of the letter. \closing{ Yours truly, } \end{letter} \end{document}

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• Copying part of a string in C

  - by wolfPack88

  This seems like it should be really simple, but for some reason, I'm not getting it to work. I have a string called seq, which looks like this: ala ile val I want to take the first 3 characters and copy them into a different string. I use the command: memcpy(fileName, seq, 3 * sizeof(char)); That should make fileName = "ala", right? But for some reason, I get fileName = "ala9". I'm currently working around it by just saying fileName[4] = '\0', but was wondering why I'm getting that 9. Note: After changing seq to ala ile val ser and rerunning the same code, fileName becomes "alaK". Not 9 anymore, but still an erroneous character.

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• Problem with Ruby script output being stored into a file

  - by nickf

  I have a Ruby script that outputs a heap of text. As an example: puts "line 1" puts "line 2" puts "line 3" # etc... (obviously, this isn't how my script works..) There's not a lot of data - perhaps about 8kb of character data in total. When I run the script on the command line, it works as expected: $ ./my-script.rb line 1 line 2 line 3 But, when I push it into a file, the output is truncated at exactly 4096 bytes: $ ./my-script.rb > output.txt What would cause it to stop at 4kb?

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• How to create a random string of characters in C#?

  - by Keltex

  I'm trying to create random strings of characters. I'm wondering if there might be a more efficient way. Here's my algorithm: string RANDOM = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz#@$^*()"; StringBuilder sb = new StringBuilder(); int length = rand.Next(10) + 1; for (int idx = 0; idx < length; ++idx) { sb.Append(RANDOM[rand.Next(RANDOM.Length)]); } string RandomString = sb.ToString(); I'm wondering if the StringBuilder is the best choice. Also if selecting a random character from my RANDOM string is the best way.

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• PHP: Replace umlauts with closest 7-bit ASCII equivalent in an UTF-8 string

  - by BlaM

  What I want to do is to remove all accents and umlauts from a string, turning "lärm" into "larm" or "andré" into "andre". What I tried to do was to utf8_decode the string and then use strtr on it, but since my source file is saved as UTF-8 file, I can't enter the ISO-8859-15 characters for all umlauts - the editor inserts the UTF-8 characters. Obviously a solution for this would be to have an include that's an ISO-8859-15 file, but there must be a better way than to have another required include? echo strtr(utf8_decode($input), 'ŠŒŽšœžŸ¥µÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýÿ', 'SOZsozYYuAAAAAAACEEEEIIIIDNOOOOOOUUUUYsaaaaaaaceeeeiiiionoooooouuuuyy'); UPDATE: Maybe I was a bit inaccurate with what I try to do: I do not actually want to remove the umlauts, but to replace them with their closest "one character ASCII" aequivalent.

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• Trying to understand strtok

  - by Karthick

  Consider the following snippet that uses strtok to split the string madddy. char* str = (char*) malloc(sizeof("Madddy")); strcpy(str,"Madddy"); char* tmp = strtok(str,"d"); std::cout<<tmp; do { std::cout<<tmp; tmp=strtok(NULL, "dddy"); }while(tmp!=NULL); It works fine, the output is Ma. But by modifying the strtok to the following, tmp=strtok(NULL, "ay"); The output becomes Madd. So how does strtok exactly work? I have this question because I expected strtok to take each and every character that is in the delimiter string to be taken as a delimiter. But in certain cases it is doing that way but in few cases, it is giving unexpected results. Could anyone help me understand this?

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• jQuery 1.4.x and the @ symbol

  - by David

  I used to use this script for jquery email obfuscation: $(".replaceAt").replaceWith("@"); $(".obfuscate").each(function () { $(this).attr("href", "mailto:"+$(this).text()); }); <a class="obfuscate">name<span class="replaceAt">-AT-</span>server.com</a> But with jQuery 1.4.x, I now get this error: uncaught exception: Syntax error, unrecognized expression: @ Looking this up on the net, it looks like jQuery thinks that the @ is a special character. I tried to "\@" it and a few other things with not luck. I'm not enough of a jQuery ninja to know how to fix this. Any ideas?

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• Upload and parse csv file with "universal newline" in python on Google App Engine

  - by greg

  Hi, I'm uploading a csv/tsv file from a form in GAE, and I try to parse the file with python csv module. Like describe here, uploaded files in GAE are strings. So I treat my uploaded string a file-like object : file = self.request.get('catalog') catalog = csv.reader(StringIO.StringIO(file),dialect=csv.excel_tab) But new lines in my files are not necessarily '\n' (thanks to excel..), and it generated an error : Error: new-line character seen in unquoted field - do you need to open the file in universal-newline mode? Does anyone know how to use StringIO.StringIO to treat strings like files open in universal-newline?

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• Can backslash be encoded correctly in URL with URL rewrite?

  - by Millionbonus

  I am working on a ASP.NET MVC2 project. The problem is when a string which would be rewritten into URL that contains special character such as backslash or question mark. That will make URL wrong, even I have encoded it before. For example: 1. I have a product id "p001/2-2". 2. I encoded it into "p001%252f2-2" 3. The URL http://domain.com/ProductView/p001%252f2-2 will response HTTP Error 400 - Bad Request. How can I get it correct?

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• how to feed a file to telnet

  - by knittl

  hello community, understanding http and headers i played around with telnet to send requests. to not type everything again and again and again i thought i'd write a small textfile with all the commands i need. my file is as simple as follows: GET /somefile.php HTTP/1.1 Host: localhost i then try to feed it to telnet with io-redirection: $ telnet localhost 80 < telnet.txt but all output i get is Trying ::1... Connected to localhost. Escape character is '^]'. Connection closed by foreign host. what am i doing wrong?

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• NSNumberFormatter to display custom labels for 10^n (10000 -> 10k)

  - by Michele Colombo

  I need to display numbers on a plot axis. The values could change but I want to avoid too long numbers that will ruin the readability of the graph. My thought was to group every 3 characters and substitute them with K, M and so on (or a custom character). So: 1 - 1, 999 - 999, 1.000 - 1k, 1.200 - 1.2k, 1.280 - 1.2k, 12.800 - 12.8k, 999.999 - 999.9k, 1.000.000 - 1M, ... Note that probably I'll only need to format round numbers (1, 10, 1000, 1500, 2000, 10000, 20000, 30000, 100000, ...). Is that possibile with NSNumberFormatter? I saw that it has a setFormat method but I don't know how much customizable it is. I'm using NSNumberFormatter cause the graph object I use wants it to set label format and I want to avoid changing my data to set the label.

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• How do you assign a variable with the result of a if..else block?

  - by Pierre Olivier Martel

  I had an argument with a colleague about the best way to assign a variable in an if..else block. His orignal code was : @products = if params[:category] Category.find(params[:category]).products else Product.all end I rewrote it this way : if params[:category] @products = Category.find(params[:category]).products else @products = Product.all end This could also be rewritten with a one-liner using a ternery operator (? :) but let's pretend that product assignment was longer than a 100 character and couldn't fit in one line. Which of the two is clearer to you? The first solution takes a little less space but I thought that declaring a variable and assigning it three lines after can be more error prone. I also like to see my if and else aligned, makes it easier for my brain to parse it!

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• Finding text's bounding rect in Core Text

  - by Mo

  I'm trying to find the boundaries of a line of text in Core Text. For simplicity, assume it has a single character. At the moment I'm using the following method: line = CTLineCreateWithAttributedString(attrString); rect = CTLineGetImageBounds(line, context); It works most of the times, but for some characters, like math italic d (Unicode: 0x1D451) or math italic q (Unicode: 0x1D45E), the width is a bit short. I tried using CTLineGetTypographicBounds() or CTFramesetterSuggestFrameSizeWithConstraints, but they didn't help either (I think they use glyph's advance to find the width, not its graphical width.) As the font itself isn't italic, I also can't use slant angle to correct this. I tried accessing the glyphs directly and using CTFontCreatePathForGlyph(), but failed as CGGlyph and UniChar are both 16-bits and I need 32-bit characters. Does anyone know if I'm doing anything wrong? If so, what's the right way?

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