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• SAX Parse Exception

  - by Anand

  Hi, I am using JMS Messaging in my java program. My messages are coming from IBM Main Frame and the messages are xml files. Mainframe pushwa messages that is xml files to the queue But when the java program reads the messages from the queue an additional character "?" gets added in front of the xml file. For example a file like this: <?xml version="1.0" encoding="UTF-8"?> becomes ?<?xml version="1.0" encoding="UTF-8"?> when I read the message from the queue. And when I try to parse this I catch the following exception SAX Exception org.xml.sax.SAXParseException: Content is not allowed in trailing section. Content is not allowed in trailing section What could be the reason for this additional character getting added ?

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• String replace in C#

  - by ile

  I'd like to use this method to create user-friendly URL. Because my site is in Croatian, there are characters that I wouldn't like to strip but replace them with another. Fore example, this string: ŠÐCŽ šdccž needs to be: sdccz-sdccz So, I would like to make two arrays, one that will contain characters that are to be replaced and other array with replacement characters: string[] character = { "Š", "Ð", "C", "C", "Ž", "š", "d", "c", "c", "ž" }; string[] characterReplace = { "s", "d", "c", "c", "z", "s", "d", "c", "c", "z" }; Finally, this two arrays should be use in some method that will take string, find matches and replace them. In php I used preg_replace function to deal with this. In C# this doesn't work: s = Regex.Replace(s, character, characterReplace); Would appreciate if someone could help. Thanks

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• How do I make a textbox that only accepts numbers?

  - by Mykroft

  I have a windows forms app with a textbox control that I want to only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of other controls. Ideally this would behave such that pressing a non numeric character would either produce no result or immediately provide the user with feedback about the invalid character.

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• Using sed for introducing newline after each > in a +1 gigabyte large one-line text file

  - by wasatz

  I have a giant text file (about 1,5 gigabyte) with xml data in it. All text in the file is on a single line, and attempting to open it in any text editor (even the ones mentioned in this thread: http://stackoverflow.com/questions/159521/text-editor-to-open-big-giant-huge-large-text-files ) either fails horribly or is totally unusable due to the text editor hanging when attempting to scroll. I was hoping to introduce newlines into the file by using the following sed command sed 's/>/>\n/g' data.xml > data_with_newlines.xml Sadly, this caused sed to give me a segmentation fault. From what I understand, sed reads the file line-by-line which would in this case mean that it attempts to read the entire 1,5 gig file in one line which would most certainly explain the segfault. However, the problem remains. How do I introduce newlines after each in the xml file? Do I have to resort to writing a small program to do this for me by reading the file character-by-character?

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• sorting algorithm

  - by mysterious jean

  I want to make simple sorting algorithm...like below... if there is character "abcde".... the character is stored like below.. could you tell me the algorithm for that? arr[0] = "a" arr[1] = "ab" arr[2] = "ac" arr[3] = "ad" arr[4] = "ae" arr[5] = "abc" arr[6] = "abd" arr[7] = "abe" ... arr[n] = "abcde" arr[n+1] = "b" arr[n+2] = "bc" arr[n+3] = "bd" arr[n+4] = "be" arr[n+5] = "bcd" arr[n+5] = "bce" arr[n+5] = "bde" ... arr[n+m] = "bcde" ... ...

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• Problem with ColdFusion communicating with MySQL database

  - by Greg

  Hi, I have been working to migrate a non-profit website from a local server (running Windows XP) to a GoDaddy hosting account (running Linux). Most of the pages are written in ColdFusion. Things have gone smoothly, up until this point. There is a flash form within the site (see this page: http://www.preservenet.cornell.edu/employ/submitjob.cfm) which, when completed, takes the visitor to this page: submitjobaction.cfm . I'm not quite sure what to make of this error, since I copied exactly what had been in the old MySQL database, and the .cfm files are exactly as they had been when they worked on the old server. Am I missing something? Below is the code from the database that the error seems to be referring to. When I change "Positionlat" to some default value in the database as it suggests in the error, it says that another field needs a default value, and it's a neverending chain of errors as I try to correct it. This is probably a stupid error that I'm missing, but I've been working at it for days and can't find what I'm missing. I would really appreciate any help. Thanks! -Greg DROP TABLE IF EXISTS employopp; CREATE TABLE employopp ( POSTID int(10) NOT NULL auto_increment, USERID varchar(10) collate latin1_general_ci default NULL, STATUS varchar(10) collate latin1_general_ci NOT NULL default 'ACTIVE', TYPE varchar(50) collate latin1_general_ci default 'professional', JOBTITLE varchar(70) collate latin1_general_ci default NULL, NUMBER varchar(30) collate latin1_general_ci default NULL, SALARY varchar(40) collate latin1_general_ci default NULL, ORGNAME varchar(70) collate latin1_general_ci default NULL, DEPTNAME varchar(70) collate latin1_general_ci default NULL, ORGDETAILS mediumtext character set utf8 collate utf8_unicode_ci, ORGWEBSITE varchar(200) collate latin1_general_ci default NULL, ADDRESS varchar(60) collate latin1_general_ci default 'none given', ADDRESS2 varchar(60) collate latin1_general_ci default NULL, CITY varchar(30) collate latin1_general_ci default NULL, STATE varchar(30) collate latin1_general_ci default NULL, COUNTRY varchar(3) collate latin1_general_ci default 'USA', POSTALCODE varchar(10) collate latin1_general_ci default NULL, EMAIL varchar(75) collate latin1_general_ci default NULL, NOMAIL varchar(5) collate latin1_general_ci default NULL, PHONE varchar(20) collate latin1_general_ci default NULL, FAX varchar(20) collate latin1_general_ci default NULL, WEBSITE varchar(200) collate latin1_general_ci default NULL, POSTDATE varchar(10) collate latin1_general_ci default NULL, POSTUNTIL varchar(20) collate latin1_general_ci default 'select date', POSTUNTILFILLED varchar(20) collate latin1_general_ci NOT NULL default 'until filled', texteHTML mediumtext character set utf8 collate utf8_unicode_ci, HOWTOAPPLY mediumtext character set utf8 collate utf8_unicode_ci, CONFIRSTNM varchar(30) collate latin1_general_ci default NULL, CONLASTNM varchar(60) collate latin1_general_ci default NULL, POSITIONCITY varchar(30) collate latin1_general_ci default NULL, POSITIONSTATE varchar(30) collate latin1_general_ci default NULL, POSITIONCOUNTRY varchar(3) collate latin1_general_ci default 'USA', POSITIONLAT varchar(50) collate latin1_general_ci NOT NULL, POSITIONLNG varchar(50) collate latin1_general_ci NOT NULL, PRIMARY KEY (POSTID) ) ENGINE=MyISAM AUTO_INCREMENT=2007 DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;

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• dynamic char array sizing

  - by droseman

  Hello, In my application, I have a char array defined which can take one of three options: "okay", "high", "low" which are then sent down a serial port to a remote device. I currently have the array sized to take the 4 character words plus carriage return and line feed, but when I have to send "low" I get a null character in the strings, which I am concerned would confuse the host terminal. array definition char mod1_status_char[6] = {'0','0','0','0','0','0'}; char mod2_status_char[6] = {'0','0','0','0','0','0'}; char mod3_status_char[6] = {'0','0','0','0','0','0'}; sample of switch case statement: void DCOKStatus(uint8_t *ptr_status) { uint8_t status = *ptr_status; switch (status) { case 0x00: strcpy(mod1_status_char, "okay"); strcpy(mod2_status_char, "okay"); strcpy(mod3_status_char, "okay"); break; case 0x10: strcpy(mod1_status_char, "okay"); strcpy(mod2_status_char, "okay"); strcpy(mod3_status_char, "low"); break; } This is the struct which makes the message string to send strcpy(MsgStatus_on.descriptor_msg, "$psu_"); MsgStatus_on.address01 = hex_addr[0]; MsgStatus_on.address02 = hex_addr[1]; MsgStatus_on.space01 = 0x20; strcpy(MsgStatus_on.cmdmsg01, "op_en op1_"); strcpy(MsgStatus_on.statusmsg01, mod1_status_char); MsgStatus_on.space02 = 0x20; strcpy(MsgStatus_on.cmdmsg02, "op2_"); strcpy(MsgStatus_on.statusmsg02, mod2_status_char); MsgStatus_on.space03 = 0x20; strcpy(MsgStatus_on.cmdmsg03, "op3_"); strcpy(MsgStatus_on.statusmsg03, mod3_status_char); MsgStatus_on.CR = 0x0D; MsgStatus_on.LF = 0x0A; and this sends the message void USARTWrite(char *object, uint32_t size) { GPIO_SetBits(GPIOB, GPIO_Pin_1); char *byte; for (byte = object; size--; ++byte) { USART_SendData(USART1,*byte); } Would anyone be able to suggest a good approach to dynamically size the array to one character shorter when I need to send "low"? Thanks

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• Javascript String

  - by Ruth

  Hi all Is there a simple way to chack how many times a character appears in a String? Thanks in Advance Ruth

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• php regex for strong password validation

  - by Jason

  Hello, I've seen around the web the following regex (?=^.{8,}$)((?=.*\d)|(?=.*\W+))(?![.\n])(?=.*[A-Z])(?=.*[a-z]).*$ which validates only if the string: * contain at least (1) upper case letter * contain at least (1) lower case letter * contain at least (1) number or special character * contain at least (8) characters in length I'd like to know how to convert this regex so that it checks the string to * contain at least (2) upper case letter * contain at least (2) lower case letter * contain at least (2) digits * contain at least (2) special character * contain at least (8) characters in length well if it contains at least 2 upper,lower,digits and special chars then I wouldn't need the 8 characters length. special characters include: `~!@#$%^&*()_-+=[]\|{};:'".,/<? thanks in advance.

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• MATLAB using MAT2CELL

  - by Ali

  i have the following matrices letter=[A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... a b c d e f g h ii jj k l m o p q r s t u v w x y z]; number=[one two three four five six seven eight nine zero]; character =[number letter]; Character becomes a matrix of 42 by 1464, but i would like to break it into cells of 42 by 24 using mat2cell. How can i please do it, every time i try i get an error????

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• Collision detection, alternatives to "push out"

  - by LaZe

  I'm moving a character (ellipsoid) around in my physics engine. The movement must be constrained by the static geometry, but should slide on the edges, so it won't be stuck. My current approach is to move it a little and then push it back out of the geometry. It seems to work, but I think it's mostly because of luck. I fear there must be some corner cases where this method will go haywire. For example a sharp corner where two walls keeps pushing the character into each other. How would a "state of the art" game engine solve this?

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• Substring and its reverse in a string

  - by christa

  My professor was talking about this in a Dynamic programming class and asked us to think over it. She gave us some examples as well. Given a string, we were to find the longest continuous subsequence whose reverse is also a subsequence present in the given string. Example: INPUT: pqrstuvtsrv OUTPUT: i=3, k=2 rst -> tsr (rst found first at i=3 and for 2 more positions) INPUT: mpqrsrqp OUTPUT: i=2, k=6 pqrsrqp in reverse INPUT: mmpqssss OUTPUT: i=5, k=3 I thought of putting the string and its reverse into 2 different arrays and comparing character by character. But I'm sure this is not the best way to do it. Any suggestions as to what could be the most efficient ?

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• Polymorphism in SQL database tables?

  - by Patrick Daryll Glandien

  I currently have multiple tables in my database which consist of the same 'basic fields' like: name character varying(100), description text, url character varying(255) But I have multiple specializations of that basic table, which is for example that tv_series has the fields season, episode, airing, while the movies table has release_date, budget etc. Now at first this is not a problem, but I want to create a second table, called linkgroups with a Foreign Key to these specialized tables. That means I would somehow have to normalize it within itself. One way of solving this I have heard of is to normalize it with a key-value-pair-table, but I do not like that idea since it is kind of a 'database-within-a-database' scheme, I do not have a way to require certain keys/fields nor require a special type, and it would be a huge pain to fetch and order the data later. So I am looking for a way now to 'share' a Primary Key between multiple tables or even better: a way to normalize it by having a general table and multiple specialized tables.

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• iPhone tilt direction

  - by Tate Allen

  Hi all, I am making a simple, tilt controlled game using UIKit. So far, when I tilt the device the character moves in the appropriate direction. What I want him to do is to change the direction he is facing when I tilt the device. For example, when I tilt it left, I want the character to face left. Is there a way to detect whether the device was tilted left or right? If so, could you point me in the right direction please. Thanks, Tate

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• ASP.NET Web Service - how to handle special characters in strings?

  - by Vlorg

  To show this fundamental issue in .NET and the reason for this question, I have written a simple test web service with one method (EditString), and a consumer console app that calls it. They are both standard web service/console applications created via File/New Project, etc., so I won't list the whole code - just the methods in question: Web method: [WebMethod] public string EditString(string s, bool useSpecial) { return s + (useSpecial ? ((char)19).ToString() : ""); } [You can see it simply returns the string s if useSpecial is false. If useSpecial is true, it returns s + char 19.] Console app: TestService.Service1 service = new SCTestConsumer.TestService.Service1(); string response1 = service.EditString("hello", false); Console.WriteLine(response1); string response2 = service.EditString("hello", true); // fails! Console.WriteLine(response2); [The second response fails, because the method returns hello + a special character (ascii code 19 for argument's sake).] The error is: There is an error in XML document (1, 287) Inner exception: "'', hexadecimal value 0x13, is an invalid character. Line 1, position 287." A few points worth mentioning: The web method itself WORKS FINE when browsing directly to the ASMX file (e.g. http://localhost:2065/service1.asmx), and running the method through this (with the same parameters as in the console application) - i.e. displays XML with the string hello + char 19. Checking the serialized XML in other ways shows the special character is being encoded properly (the SERVER SIDE seems to be ok which is GOOD) So it seems the CLIENT SIDE has the issue - i.e. the .NET generated proxy class code doesn't handle special characters This is part of a bigger project where objects are passed in and out of the web methods - that contain string attributes - these are what need to work properly. i.e. we're de/serializing classes. Any suggestions for a workaround and how to implement it? Or have I completely missed something really obvious!!? Thanks in advance... PS. I've not had much luck with getting it to use CDATA tags (does .NET support these out of the box?).

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• XPath and special characters

  - by Bryan

  I am having an issue with an XPath query I'm performing for a Sitecore CMS system. This query works fine: /root/content/Meta-Data/Tips/* But when I try this: /root/content/Meta-Data/Tips/*[@SomeAttribute='somekey'] I get an error which says "End of string expected at position 22" which is where the dash character is found. I was under the impression that the dash was not a special character in XML... am I doing something wrong here? Do I need to encode this in some way? Or is this a bug in the XPath parser? Any suggested workarounds?

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• A regex for version number parsing

  - by ajborley

  Hi, I have a version number of the following form: version.release.modification where version, release and modification are either a set of digits or the '*' wildcard character. Additionally, any of these numbers (and any preceding .) may be missing. So the following are valid and parse as: 1.23.456 = version 1, release 23, modification 456 1.23 = version 1, release 23, any modification 1.23.* = version 1, release 23, any modification 1.* = version 1, any release, any modification 1 = version 1, any release, any modification * = any version, any release, any modification But these are not valid: *.12 *123.1 12* 12.*.34 Can anyone provide me a not-too-complex regex to validate and retrieve the release, version and modification numbers? Many thanks! Thanks for all the responses! This is ace :) Based on OneByOne's answer (which looked the simplest to me), I added some non-capturing groups (the '(?:' parts - thanks to VonC for introducing me to non-capturing groups!), so the groups that do capture only contain the digits or * character. ^(?:(\d+)\.)?(?:(\d+)\.)?(\*|\d+)$ Many thanks to everyone!

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• Printing elements out of list

  - by chavanak

  Hi, I have a certain check to be done and if the check satisfies, I want the result to be printed. Below is the code: import string import codecs import sys y=sys.argv[1] list_1=[] f=1.0 x=0.05 write_in = open ("new_file.txt", "w") write_in_1 = open ("new_file_1.txt", "w") ligand_file=open( y, "r" ) #Open the receptor.txt file ligand_lines=ligand_file.readlines() # Read all the lines into the array ligand_lines=map( string.strip, ligand_lines ) #Remove the newline character from all the pdb file names ligand_file.close() ligand_file=open( "unique_count_c_from_ac.txt", "r" ) #Open the receptor.txt file ligand_lines_1=ligand_file.readlines() # Read all the lines into the array ligand_lines_1=map( string.strip, ligand_lines_1 ) #Remove the newline character from all the pdb file names ligand_file.close() s=[] for i in ligand_lines: for j in ligand_lines_1: j = j.split() if i == j[1]: print j The above code works great but when I print j, it prints like ['351', '342'] but I am expecting to get 351 342 (with one space in between). Since it is more of a python question, I have not included the input files (basically they are just numbers). Can anyone help me? Cheers, Chavanak

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• Latex: reset font style

  - by watain

  Is there a way I can reset the style of a certain character sequence? I'm using the listings package to display source code and the prebreak property to display a escape character \ to indicate that the current lines was broken. The problem is that sometimes the backslash is colored because of the syntax highlighting used. So I need basically something like a resetstyle statement, as in the following imaginary example: \textbf{Some bold text \resetstyle{not bold, no color} foo bar} EDIT: Here are the settings that I'm using via lstset: \lstset{ extendedchars = \true, inputencoding = utf8, basicstyle = \scriptsize\ttfamily, breaklines = true, breakindent = 10pt, breakatwhitespace = true, breakautoindent = true, prebreak = \\, frame = leftline, showtabs = true, numbers = left, stepnumber = 2, numberstyle = \footnotesize, numbersep = 10pt, keywordstyle = \color[RGB]{0,0,255}, commentstyle = \itshape\color[RGB]{120,120,120}, stringstyle = \color[rgb]{0.627,0.126,0.941}, emphstyle = {[0]\color[RGB]{236,0,168}}, emphstyle = {[1]\color[RGB]{34,139,34}\underbar}, emphstyle = {[2]\textbf} }

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• How do I store keys pressed

  - by Glycerine

  I would like to store keys pressed when I listen out for the keyDown on the stage. I can add the listener fine, but I'm not getting the character I want out of the event to store it into a string. This is what I have so far: private var _addToString:String = ""; public function Hotwire() { this.addEventListener(KeyboardEvent.KEY_DOWN, keydownEventHandler); } private function keydownEventHandler(ev:KeyboardEvent):void { trace("Key pressed: " + ev.charCode ); addToString(ev.charCode); } private function addToString(value:uint):String { trace(_addToString); return _addToString += String.fromCharCode(value); } Every key I press its returns '0'. How do I convert the chatCode to a real alphanumeric character I can read later? Thanks in advance

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• c# HTTPListener encoding issue

  - by Rob Griffin

  I have a Java application sending HTTP requests to a C# application. The C# app uses HTTPListener to listen for requests and respond. On the Java side I'm encoding the URL using UTF-8. When I send a \ character it gets encoded as %5C as expected but on the C# side it becomes a / character. The encoding for the request object is Windows-1252 which I think may be causing the problem. How do I set the default encoding to UTF-8? Currently I'm doing this to convert the encoding: foreach (string key in request.QueryString.Keys) { if (key != null) { byte[] sourceBytes =request.ContentEncoding.GetBytes(request.QueryString[key]); string value = Encoding.UTF8.GetString(sourceBytes)); } } This handles the non ASCII characters I'm also sending but doesn't fix the slash problem. Examining request.QueryString[key] in the debugger shows that the / is already there.

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• Select dynamic string has a different value when referenced in Where clause

  - by David

  I dynamically select a string built using another string. So, if string1='David Banner', then MyDynamicString should be 'DBanne' Select ... , Left( left((select top 1 strval from dbo.SPLIT(string1,' ')) //first word ,1) //first character + (select top 1 strval from dbo.SPLIT(string1,' ') //second word where strval not in (select top 1 strval from dbo.SPLIT(string1,' '))) ,6) //1st character of 1st word, followed by up to 5 characters of second word [MyDynamicString] ,... From table1 Join table2 on table1pkey=table2fkey Where MyDynamicString <> table2.someotherfield I know table2.someotherfield is not equal to the dynamic string. However, when I replace MyDynamicString in the Where clause with the full left(left(etc.. function, it works as expected. Can I not reference this string later in the query? Do I have to build it using the left(left(etc.. function each time in the where clause?

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• How do I read Unicode characters from an MS Access 2007 database through Java?

  - by Peter

  In Java, I have written a program that reads a UTF8 text file. The text file contains a SQL query of the SELECT kind. The program then executes the query on the Microsoft Access 2007 database and writes all fields of the first row to a UTF8 text file. The problem I have is when a row is returned that contains unicode characters, such as "?". These characters show up as "?" in the text file. I know that the text files are read and written correctly, because a dummy UTF8 character ("?") is read from the text file containing the SQL query and written to the text file containing the resulting row. The UTF8 character looks correct when the written text file is opened in Notepad, so the reading and writing of the text files are not part of the problem. This is how I connect to the database and how I execute the SQL query: ---- START CODE Connection c = DriverManager.getConnection("jdbc:odbc:Driver={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=C:/database.accdb;Pwd=temp"); ResultSet r = c.createStatement().executeQuery(sql); ---- END CODE I have tried making a charSet property to the Connection but it makes no difference: ---- START CODE Properties p = new Properties(); p.put("charSet", "utf-8"); p.put("lc_ctype", "utf-8"); p.put("encoding", "utf-8"); Connection c = DriverManager.getConnection("...", p); ---- END CODE Tried with "utf8"/"UTF8"/"UTF-8", no difference. If I enter "UTF-16" I get the following exception: "java.lang.IllegalArgumentException: Illegal replacement". Been searching around for hours with no results and now turn my hope to you. Please help! I also accept workaround suggestions. =) What I want to be able to do is to make a Unicode query (for example one that searches for posts that contain the "?" character) and to have results with Unicode characters receieved and saved correctly. Thank you!

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• How do I format an email for Gmail?

  - by Ethan

  Hey, I'm sending out an email using codeigniter's built in library. All I'm trying to do is send a bolded string, but instead of rendering the tags, it is printing them. What I have: <html> <head> </head> <body> <b>Donkey</b> </body> </html> That is, character for character, the email I'm getting. Why aren't the tags rendering? Thanks for your help!

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• Will the values of label and its correspondences change if Image is rotated?

  - by Vinayak Agarwal

  Hi all I have an image in which a text like "VINAYAK 123" is written. The text in the image is at a certain angle, say 30degrees. Now when I extract the labels of the connected components, I get V-1, I-2, N-3, A-4,Y-5,A-6,K-7, 1-8,2-9,3-10( Format: Character- Label No.). Now I rotate the image 30 degrees in the clockwise direction to make the text in the image horizontal. My question is that now if I extract the labels of the connected components, will the character and the label no. correspondence still remain the same? Thanks in advance!

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