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• Can you help with regular expressions in Java?

  - by Matt

  I have a bunch of strings which may of may not have random symbols and numbers in them. Some examples are: contains(reserved[j])){ close(); i++){ letters[20]=word I want to find any character that is NOT a letter, and replace it with a white space, so the above examples look like: contains reserved j close i letters word What is the best way to do this?

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• Is 1-to-n multicast on the open internet reliable?

  - by Jeremy Dunck

  I'm a newbie at networking. I understand the concept of multicast, but was wondering if it's reliable on the open/public internet? It seems like sort of an edge case that different backbones or ISPs might intentionally break to reduce router load or generally segment the network for practical high-use applications. Is my fear reasonable? P.S. Follow-up question here: http://stackoverflow.com/questions/256125/best-tutorial-for-application-multicasting

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• How to display an image(all major formats), selected by JFileChooser in java

  - by Tushar Maroo

  I am developing an image editing app, so want to display an image selected by JFileChooser, so what would be best approach so that it can display all formats jpg, png, gif etc. OpenButton is used for invocation of filechooser. private void OpenActionPerformed(java.awt.event.ActionEvent evt) { int returnVal = fileChosser.showOpenDialog(this); if (returnVal == JFileChooser.APPROVE_OPTION) { File file = fileChosser.getSelectedFile(); // What to do with the file // I want code for this part try { //code that might create an exception } catch (Exception e1) { e.printStackTrace(); } } }

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• Multiple button presses for Android 2.x

  - by Pat

  I am relatively new to this still, and I have been developing a small app that would benefit greatly from a user being able to press 2 buttons at one time. What is the best method for achieving this? I dont think that an OnClickListener works like that, and I have seen examples for doing this with an OnTouch event. However, I do not know how to set up button presses with and OnTouch event.

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• Rescuing redirect :back after destroy in Rails?

  - by Andreas

  I'm looking for a best practice solution to be able to keep using redirect :back after a successful destroy action, as many items can be deleted from a variety of listings. Unfortunately that strategy fails for the one case when the delete is initiated from the item view itself. What approach do you recommend for this situation?

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• Android : background thread

  - by Ram

  Team, I need to run a background thread in my application. Could you please share the best practices where to initiate the thread so that keeps running irrespective of the Activity is being shown and things to consider. The purpose of this background thread is to fire transactions from the Simulator to the server and get the response back from the host. thanks, Ramesh

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• pass string or data of local file between viewcontrollers

  - by Jonathan

  In my last question i asked how to best send a string from one view controller to another, both which were on a navigation stack: http://stackoverflow.com/questions/2898860/pass-string-from-tableviewcontroller-to-viewcontroller-in-navigation-stack However I just realised I can either pass the path to the file in the app's document's folder as the first (the table view) has already accessed the data in the file should I pass viewcontroller the data to the pushed VC?

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• How to replace {tag_INDEX} with array[INDEX] element

  - by ekapek

  Hi, I have string like this; "String {tag_0} text {tag_2} and {tag_1}" Now i need to replace all {tag_INDEX} with elements from array $myArray = array('a','b','c'); so after replacement it should looks like: "String a text c and b" What is the best way to do this? I'm trying with preg_replace and preg_replace_callback but without any good results

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• STL map - insert or update

  - by CodeJunkie

  I have a map of objects and I want to update the object mapped to a key, or create a new object and insert into the map. The update is done by a different function that takes a pointer to the object (void update(MyClass *obj)) What is the best way to "insert or update" an element in a map?

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• How to convert rows of a database query to a XML file?

  - by EASI

  I am developing a Delphi application that needs to pick up the rows from a period of work and convert them to a single XML file in order to upload to a 3rd party web-service. Is there any component or library available to do that? If not, what is the best approach of code to build that DB2XML conversor? I noticed that most XML questions are about how to convert it to another type of data. Note: the database will be MySQL or Firebird.

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• How to search for special character in a string in javascript?

  - by raja

  Hi: I have tp develop a javascript function with string parameter value which has to search the input parameter contains the following special character like (® ´ © ¿ ¡ ° À & ~ : ? ! # * ^ < ´ | %). What is best way in javascript to do the above scenario?. Thanks in advance.

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• How to rewrite image/<text>-<imageID>-<text> to image/ID.jpg ???

  - by SilverRuby

  HI, I used to have PHP websites and using url rewriting on picture to have SEO friendly urls, On php I had links like /image/blablablabla-1234-blablabla rewriting to: /image/1234.jpg by using a url rewrite rule on apache .htaccess file. Now I totally switched to ruby on rails and I would like to know what is the best way to do that on RoR? I am hosting websites on apache with passenger. Thanks in advance

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• WPF: Notify visualParent when its children changed their size

  - by minaevs

  I have FrameworkElement, for example Grid, that has children(Cells, implemented in another control). When main Window changes size, i handle sizeChanged in Grid at first, and after that in some of its children. How can i get notify that all children sizeChanged events finished processing? Of course, i can raise other event in child sizeChanged and increase some counter, but for some reasons it is not the best decision. Can anyone recommend something? Thanks!

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• Can I invoking java web start in program?

  - by L.J.W

  Hi all,I want to make use of the java web start advantage,but I dont want our customer face the java web start loading Screen,it seems ugly...and also customer maybe not install jre and the jre-install maybe fussy to them..so I want to package our application and jre into setup file using installanywhere. when user start our program,I want to invoking web start API to do the work like version compare,and offer outself loading screen .. so,Can I invoking web start in my program?and how? Best regards L.J.W

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• Parse all RSS item into c# class

  - by user285677

  What's the best way of parsing the folowing rss feed item into a C# class. <item> <fh:FlightHistory FlightHistoryId="189895136" > <fh:Airline AirlineCode="EI" Name="Aer Lingus" /> </fh:FlightHistory> </item>

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• Embedded programming books

  - by Velho Kerho

  What embedded programming/design books would you suggest? With embedded I mean near to hardware programming in ASM and C/C++. I'm looking something related to best practices in embedded programming/design. Operation system could be Linux, Real Time Linux or any other RTOS.

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• How to hide any text from sighted user and search engine but not from screen reader?

  - by metal-gear-solid

  What is the best tested way to hide any text from sighted user but not from popular screen readers? and without affecting SEO. for example if i adding any hidden text only for screen-reader users then that text should not be crawl by search engine when search engine will crawl that page.

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• J2me - Arrays vs vector ?

  - by Galaxy

  if we have to implementations of string split for j2me, one returns vector and the other returns array , in terms of performance on hand held devices which one is the best choice ?

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• iPhone Simulating App Update at home before going out in the big bad world

  - by Aran Mulholland

  this is a follow on from this question and the link given it seems that when an app is updated all of the files in the documents directory are copied into the updated apps documents directory and also anything in Library/Preferences. Whats the best way to simulate this for testing purposes? Just copy the files in ApplicationSupport/iPhone Simulator etc? or has anyone developped any funky techniques for testing this.

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• How to implement a login page in a GWT app?

  - by Gatis

  My WebApp needs to authenticate user before allowing any sort of access. The scenario I'm trying to implement is a login page with username and password fields. Once user hits "send" button, a sign like "Verifing..." should be shown up while an RPC call verifies credentials. In case of success, load the main app screen. What is the best way to implement that?

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• How do you go about setting up monitoring for a non-web frontend process?

  - by ming yeow

  I have a worker process that is running in a server with no web frontend. what is the best way to set up monitoring fot it? It recently died for 3 days, and i did not know about it

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• Java class in DB

  - by Debuger

  Hi! Can anyone explain why was idea to store Java class in Db? What it is good for? And how to create stored procedure with Java class? Best regards!

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• In .NET, How can I draw shapes on a picture ?

  - by Amadeus45

  I'm doing a software where I need to put squary bordering fields on a satelite map (.png image), so that the fields can be clicked. What is the best way to add shapes on a picture and associate them with data ?

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• Emacs bulk indent for Python

  - by Vernon

  Working with Python in Emacs if I want to add a try/catch to a block of code, I often find that I am having to indent the whole block, line by line. In Emacs, how do you indent the whole block at once. I am not an experienced Emacs user, but just find it is the best tool for working through ssh. I am using Emacs on the command line(Ubuntu), not as a gui, if that makes any difference.

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• How to implement a simple auto-complete functionality?

  - by Kaarel

  I'd like to implement a simple class (in Java) that would allow me to register and deregister strings, and on the basis of the current set of strings auto-complete a given string. So, the interface would be: void add(String) void remove(String) String complete(String) What's the best way to do this in terms of algorithms and data-structures?

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