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• J2ME/Java: Referencing StringBuffer through Threads

  - by Jemuel Dalino

  This question might be long, but I want to provide much information. Overview: I'm creating a Stock Quotes Ticker app for Blackberry. But I'm having problems with my StringBuffer that contains an individual Stock information. Process: My app connects to our server via SocketConnection. The server sends out a formatted set of strings that contains…

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• StringBuffer behavior in LWJGL

  - by Michael Oberlin

  Okay, I've been programming in Java for about ten years, but am entirely new to LWJGL. I have a specific problem whilst attempting to create a text console. I have built a class meant to abstract input polling to it, which (in theory) captures key presses from the Keyboard object and appends them to a StringBuilder/StringBuffer, then retrieves the…

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• StringBuffer wont read whole stream into a string (JAVA/Android)

  - by Levara

  Hi all! I'm making an android program that retrieves content of a webpage using HttpURLConnection. I'm new to both Java and Android. Problem is: Reader reads whole page source, but in the last while iteration it doesn't append to stringBuffer that last part. Using debbuger I have determined that, in the last loop iteration, string buff is…

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• StringBuilder/StringBuffer vs. "+" Operator

  - by matt.seil

  I'm reading "Better, Faster, Lighter Java" (by Bruce Tate and Justin Gehtland) and am familiar with the readability requirements in agile type teams, such as what Robert Martin discusses in his clean coding books. On the team I'm on now, I've been told explicitly not to use the "+" operator because it creates extra (and unnecessary) string…

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• what is the difference between StringBuilder and Stringbuffer?

  - by subran

  what is the difference between StringBuilder and Stringbuffer?

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• StringBuffer vs. String

  - by erasmus

  In a code example I saw, the author uses StringBuffer with append method instead of String with + operator. What is the point here? Does StringBuffer have an advantage?

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• Adding an Object to Vector loses Reference using Java?

  - by thechiman

  I have a Vector that holds a number of objects. My code uses a loop to add objects to the Vector depending on certain conditions. My question is, when I add the object to the Vector, is the original object reference added to the vector or does the Vector make a new instance of the object and adds that? For example, in the following code: …

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• How to Reassign value of StringBuffer?

  - by cdb

  How can we re assign the value of a StringBuffer or StringBuilder Variable?

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• String, StringBuffer, and StringBuilder

  - by JavaUser

  Please tell me a real time situation to compare String, StringBuffer, and StringBuilder?

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• C++ equivalent of StringBuffer/StringBuilder?

  - by Andrew

  Is there a C++ Standard Template Library class that provides efficient string concatenation functionality, similar to C#'s StringBuilder or Java's StringBuffer?

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• StringBuilder and StringBuffer in Java

  - by blacktiger

  What is the main difference between StringBuffer and StringBuilder? Is there any performance issues when deciding on any one of these?

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• Problem with ArrayList

  - by Houssem

  Hello, I'm reading an xml file from resources, that file contains a list of travel agencies location and adresses and i'm trying to put this list after parsing in an arraylist to use it with maps. So each time I use agencies.add(agency) it adds it to the array but also changes all previous items with the new value. Here's my code if…

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• What's a good way of building up a String given specific start and end locations?

  - by Michael Campbell

  (java 1.5) I have a need to build up a String, in pieces. I'm given a set of (sub)strings, each with a start and end point of where they belong in the final string. Was wondering if there were some canonical way of doing this. This isn't homework, and I can use any licensable OSS, such as jakarta commons-lang StringUtils etc. …

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• What's a good way of building up a String where you specific start and end locations?

  - by Michael Campbell

  (java 1.5) I have a need to build up a String, in pieces. I'm given a set of (sub)strings, each with a start and end point of where they belong in the final string. Was wondering if there were some canonical way of doing this. This isn't homework, and I can use any licensable OSS, such as jakarta commons-lang StringUtils etc. …

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• Android XmlSerializer limitation?

  - by Rexb

  Hi all, My task is just to get an xml string using XmlSerializer. Problem is that it seems like the serializer stops adding any new element and/or attribute to the xml document when it reaches certain length (perhaps 10,000 char?). My questions: have you experience this kind of problem? What could be possible solutions? Here is my…

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• Swt file dialog too much files selected?

  - by InsertNickHere

  Hi there, the swt file dialog will give me an empty result array if I select too much files (approx. 2500files). The listing shows you how I use this dialog. If i select too many sound files, the syso will show 0. Debugging tells me, that the files array is empty in this case. Is there any way to get this work? FileDialog…

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• what is the difference between String and StringBuffer in java?

  - by androidbase

  what is the difference between String and StringBuffer in java? is there maximum size for String?

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• Android problem: BufferedReader wont read whole stream into a string

  - by Levara

  Hi all! I'm making an android program that retrieves content of a webpage using HttpURLConnection. I'm new to both Java and Android. Problem is: Reader reads whole page source, but in the last while iteration it doesn't append to stringBuffer that last part. Using debbuger I have determined that, in the last loop…

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• Optimizing Jaro-Winkler algorithm

  - by Pentium10

  I have this code for Jaro-Winkler algorithm taken from this website. I need to run 150,000 times to get distance between differences. It takes a long time, as I run on an Android mobile device. Can it be optimized more? public class Jaro { /** * gets the similarity of the two strings using Jaro distance. …

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• Regex pattern failing

  - by Scott Chamberlain

  I am trying a substring to find from the beginning of the string to the point that has the escape sequence "\r\n\r\n" my regex is Regex completeCall = new Regex(@"^.+?\r\n\r\n", RegexOptions.Compiled); it works great as long as you only have strings like 123\r\n\r\n however once you have the pattern 123\r\n…

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• http server implentation, the page does not show properly

  - by none

  well, as i am doing a small project of coding an http server. the code is at http://code.google.com/p/reactor/ the current puzzle is when asked to parse a page with java script and css. As an http server it just sends a page (copied from another website) and it parsed inproperly. when a simple html page…

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• Convert NSData into Hex NSString

  - by Dawson

  With reference to the following question: Convert NSData into HEX NSSString I have solved the problem using the solution provided by Erik Aigner which is: NSData *data = ...; NSUInteger capacity = [data length] * 2; NSMutableString *stringBuffer = [NSMutableString stringWithCapacity:capacity]; const…

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• Pass string between two threads in java

  - by geeta

  I have to search a string in a file and write the matched lines to another file. I have a thread to read a file and a thread to write a file. I want to send the stringBuffer from read thread to write thread. Please help me to pass this. I amm getting null value passed. write thread: class…

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• Whats the wrong with this code?

  - by girinie

  Hi in this code first I am downloading a web-page source code then I am storing the code in text file. Again I am reading that file and matching with the regex to search a specific string. There is no compiler error. Exception in thread "main" java.lang.NoClassDefFoundError:…

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• Adroid's DateFormat replacement - missing the format() with FieldPosition

  - by user331244

  Hi, I need to split a date string into pieces and I'm doing it using the public final StringBuffer format (Object object, StringBuffer buffer, FieldPosition field) from the java.text.DateFormat class. However, the implementation of this function is really slow, hence…

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