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• Suggestions for a good IDE for DB2

  - by ken

  Hi all, I know, I know... it's a horrible fate but I am forced to work in an environment with DB2 on the back end. OK just kidding but the truth is I do like MSSQL's data studio a lot, and well IBM's tool is sorda crummy in my opinion... I was using the free version of Toad but I just got a new 64bit machine which is nice and all but there isn't a free version of Toad that I can find for win7 64. Does anyone have any suggestions for a good IDE to use with DB2? Being a developer I really just do a lot of looking at the DB structure and querying to see what I get back and how I want to get things back etc... Thanks for any advice!

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• in .net, what programming model would be good for prototyping, but then reusable for production (for

  - by Greg

  Hi, In .NET land what would be a good approach for quick prototyping of a concept (i.e. development just on my PC) that could then be extended out to product (users across LAN/WAN), BUT in a fashion that the model/business logic code and data access layer code can be used as is? One thought for example I had as to do: (a) WinForms with business logic and Entity Framework layer to SQL Server Express on my PC, then (b) Go then to ASP.net (using the business logic / data library) with SQL Server/IIS Any comments? Other suggestions?

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• What's a good FOSS java servlet session replication solution

  - by Bossy Joe

  I work on a very high volume public website running on Tomcat 5.5. Currently we require stickiness to a particular server in order to maintain session. I'd like to start replicating session, but have had trouble finding a good FOSS solution. I've written my own Manager (using memcached as the store) but am having trouble dealing with race conditions if more than one server is handling the requests for the same user. Is there a solution out there I should be looking at? I'm looking for not just something that works as a fallback if stickiness fails, but that would work if user requests are regularly spread to multiple servers.

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• what good orm api will work well with scala or erlang

  - by Emotu Balogun

  I'm considering taking up scala programming but i'm really concerned about what will become of my ORM based applications. I currently use hibernate as my ORM and i find it a really reliable tool. I'd like to know if there's any ORM tool as efficient but written in scala, or will hibernate work seamlessly with it. i don't want to have to start writing endless sql queries again (like the days of JDBC). I also have the same thought about erlang. is there a good orm out there for erlang?? and can i use erlang with other DBMS like oracle and mysql with ORM

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• Looking for a source code management system with a good GUI client

  - by Anders Öhrt

  We are currently using CS-RCS Pro for source code management, and are looking for to replace this due to performance issues. It is based on client side file access with no own protocol, which makes it painfully slow to use over a slow VPN line since it always rewrites the whole history of a file. It does however have a GUI client which is very simple and gives a great overview. We have three main requirements in a SCM: Fast. It must have a server side service or some other smart way so working with files with a large history is fast. A good Windows GUI client (not Explorer shell integration, not VS or Eclipse IDE integration), so working with files and branches is easy. The possibility to have several branches checked out at once in different directories. Does anyone have a recommendation of a SCM which fulfills there requirements?

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• What are good uses for Python3's "Function Annotations"

  - by agscala

  Function Annotations: PEP-3107 I ran across a snippet of code demonstrating Python3's function annotations. The concept is simple but I can't think of why these were implemented in Python3 or any good uses for them. Perhaps SO can enlighten me? How it works: def foo(a: 'x', b: 5 + 6, c: list) -> max(2, 9): ... function body ... Everything following the colon after an argument is an 'annotation', and the information following the -> is an annotation for the function's return value. foo.func_annotations would return a dictionary: {'a': 'x', 'b': 11, 'c': list, 'return': 9} What's the significance of having this available?

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• Need a good website URL to test against

  - by Zombies

  I need a URL to just test basic http connectivity. It needs to be consistent and: Always be up Never change drastically due to IP or user agent. (IE: 301 Location redirect/ huge difference in content... minor would be tolerable) The URL itself has a consistent content-length. (IE: it doesn't vary from by 2kb at most, ever) A few examples, yet none match all 3 criteria: One example of always up: www.google.com (yet it 301 redirects based on IP location). Another good one is http://www.google.com/webhp?hl=en. but the problem there is that based on a given holiday, the content-length can really vary.

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• Good Notification Plugin For Jquery?

  - by chobo2

  Hi I am looking at pines notify(http://pines.sourceforge.net/pnotify/) and it looks good but it seems to have little actual documentation so I am wondering is there anything more established and worked on out there? Like I don't want to spend time trying to figure out how to use pines and then find out it is missing some feature that I needed a few months later that I needed to change to a different plugin. This happened to me with tablesorter 2.0 I was using it then I needed the filtering but theirs kinda sucked so I found datatables what had such a bigger api and developed more. So I am wondering if there is something like datatables(in terms of development and features) just for notifications instead.

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• Good assembly tutorial for windows with eiter fasm or nasm

  - by The new guy

  I have spent the last 3 hours google and bing for a good asm tutorial(x86 variety). I have been on this site for many of these results. Non have really been sufficient. Mainly because while i like learning theory, i learn it best via practice, while for example pc-asm has about 20-30 pages of theroy before anything practical. I was wondering if there was a tutorial or online pdf (or cheap book(<£20)) that i could use that suits my style of learning. Please state if this is not possibke Thank you for your time

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• When is it good to use FTP?

  - by Tom Duckering

  In my experience I see a lot of architecture diagrams which make extensive use of FTP as a medium for linking architectural components. As someone who doesn't make architectural decisions but tends to look at architecture diagrams could anyone explain what the value is of using FTP, where it's appropriate and when transferring data as files is a good idea. I get that there are often legacy systems that just need to work that way - although any historical insight would be interesting too I can see the attraction in transferring files (especially if that's what needs to be transferred) because of the simplicity and familiarity and wonder if the reasoning goes beyond this.

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• 4D - is it any good?

  - by Pies

  Recently I found out that the company a friend of mine co-owns uses 4D, which I've never heard of before. They swear by it, but they're non-technical and what they say about it sounds like memorized marketing blurb. Unfortunately the 4D website also seems devoid of any actual information and is filled with words like "comprehensive", "solution", "platform" and "integrated" instead. Since that thing is rather expensive and uses a custom language that I don't have much inclination to learn just for one project, I'm cautious about it and I'm wondering if anyone had any experience with it? Would you recommend it? What is it good for? What competitive advantage would I gain by learning it as a programmer, or using it as a company?

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• Good JDBC pattern

  - by Java Developer

  What is the good practice for database operation in Java application? Do you construct the DML syntax in the Java code and send the statements to DB engine for execution, or you just collect the parameters and then make a call to stored procedure with the parameters via java code? or neither because that's just not how to do it? can anyone give an example of a full database utility classes to do database operations in Java app? also what about the transaction manager? My assignment is to make database operation that is modular in Java. Thanks

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• Application stopped unexpectedly at launch

  - by Chris Stryker

  I've run this on a device and on the emulator. The app stops unexpectedly on both. I have not a clue what is wrong currently. It uses Google API Maps I compiled with Google Api 7. I followed this tutorial http://developer.android.com/guide/tutorials/views/hello-mapview.html (made some alterations clearly) I did use the correct API Key That the final apk is signed with This is the source(If you compile it shouldn't work as it is unsigned) This is the compiled signed apk Log 03-21 00:30:38.912: INFO/ActivityManager(54): Starting activity: Intent { act=android.intent.action.MAIN flg=0x10000000 cmp=com.chris.stryker.worldly/.com.poppoob.WorldlyMap } 03-21 00:30:39.173: INFO/ActivityManager(54): Start proc com.chris.stryker.worldly for activity com.chris.stryker.worldly/.com.poppoob.WorldlyMap: pid=287 uid=10031 gids={3003, 1015} 03-21 00:30:39.532: DEBUG/ddm-heap(287): Got feature list request 03-21 00:30:40.185: WARN/dalvikvm(287): Unable to resolve superclass of Lcom/chris/stryker/worldly/com/poppoob/WorldlyMap; (17) 03-21 00:30:40.193: WARN/dalvikvm(287): Link of class 'Lcom/chris/stryker/worldly/com/poppoob/WorldlyMap;' failed 03-21 00:30:40.205: DEBUG/AndroidRuntime(287): Shutting down VM 03-21 00:30:40.223: WARN/dalvikvm(287): threadid=3: thread exiting with uncaught exception (group=0x4001b188) 03-21 00:30:40.223: ERROR/AndroidRuntime(287): Uncaught handler: thread main exiting due to uncaught exception 03-21 00:30:40.252: ERROR/AndroidRuntime(287): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.chris.stryker.worldly/com.chris.stryker.worldly.com.poppoob.WorldlyMap}: java.lang.ClassNotFoundException: com.chris.stryker.worldly.com.poppoob.WorldlyMap in loader dalvik.system.PathClassLoader@45a13938 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at android.app.ActivityThread.access$2200(ActivityThread.java:119) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at android.os.Handler.dispatchMessage(Handler.java:99) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at android.os.Looper.loop(Looper.java:123) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at android.app.ActivityThread.main(ActivityThread.java:4363) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at java.lang.reflect.Method.invokeNative(Native Method) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at java.lang.reflect.Method.invoke(Method.java:521) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at dalvik.system.NativeStart.main(Native Method) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): Caused by: java.lang.ClassNotFoundException: com.chris.stryker.worldly.com.poppoob.WorldlyMap in loader dalvik.system.PathClassLoader@45a13938 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at java.lang.ClassLoader.loadClass(ClassLoader.java:573) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at java.lang.ClassLoader.loadClass(ClassLoader.java:532) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2409) 03-21 00:30:40.252: ERROR/AndroidRuntime(287): ... 11 more 03-21 00:30:40.300: INFO/Process(54): Sending signal. PID: 287 SIG: 3 03-21 00:30:40.312: INFO/dalvikvm(287): threadid=7: reacting to signal 3 03-21 00:30:40.396: INFO/dalvikvm(287): Wrote stack trace to '/data/anr/traces.txt' 03-21 00:30:49.002: WARN/ActivityManager(54): Launch timeout has expired, giving up wake lock! 03-21 00:30:49.685: WARN/ActivityManager(54): Activity idle timeout for HistoryRecord{458ab6d0 com.chris.stryker.worldly/.com.poppoob.WorldlyMap}

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• What good technology podcasts are out there?

  - by Michael Stum

  Yes, Podcasts, those nice little Audiobooks I can listen to on the way to work. With the current amount of Podcasts, it's like searching a needle in a haystack, except that the haystack happens to be the Internet and is filled with too many of these "Hot new Gadgets" stuff :( Now, even though I am mainly a .NET developer nowadays, maybe anyone knows some good Podcasts from people regarding the whole software lifecycle? Unit Testing, Continous Integration, Documentation, Deployment... So - what are you guys and gals listening to? Please note that the categorizations are somewhat subjective and may not be 100% accurate as many podcasts cover several areas. Categorization is made against what is considered the "main" area. General Software Engineering / Productivity Stack Overflow TekPub (Requires Paid Subscription) SE Radio 43 Folders Perspectives Dr. Dobb's (now a video feed) The Pragmatic Podcast (Inactive) IT Matters Agile Toolkit Podcast The Stack Trace (Inactive) Parleys Techzing The Startup Success Podcast Berkeley CS class lectures FOSS Weekly .NET / Visual Studio / Microsoft Herding Code Hanselminutes .NET Rocks! Deep Fried Bytes Alt.Net Podcast Polymorphic Podcast Sparkling Client (The Silverlight Podcast) dnrTV! Spaghetti Code ASP.NET Podcast Channel 9 Radio TFS PowerScripting Podcast The Thirsty Developer Elegant Code ConnectedShow Crafty Coders Coding QA jQuery yayQuery The official jQuery podcast Java / Groovy The Java Posse Grails Podcast Java Technology Insider Ruby / Rails Railscasts Rails Envy The Ruby on Rails Podcast Rubiverse Web Design / JavaScript / Ajax WebDevRadio Boagworld The Rissington podcast Ajaxian YUI Theater Unix / Linux / Mac / iPhone Mac Developer Network Hacker Public Radio Linux Outlaws Mac OS Ken LugRadio Linux radio show (Inactive) The Linux Action Show! Linux Kernel Mailing List (LKML) Summary Podcast Stanford's iPhone programming class SysAdmin, Security or Infrastructure RunAs Radio Security Now! Crypto-Gram Security Podcast Hak5 VMWare VMTN Windows Weekly PaulDotCom Security The Register - Semi-Coherent Computing FeatherCast General Tech / Business Tekzilla This Week in Tech The Guardian Tech Weekly PCMag Radio Podcast Entrepreneurship Corner Manager Tools Other / Misc. / Podcast Networks IT Conversations Retrobits Podcast No Agenda Netcast Cranky Geeks The Command Line Freelance Radio IBM developerWorks The Register - Open Season Drunk and Retired Technometria Sod This Radio4Nerds Hacker Medley

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• Magento Developers: Is Magento really -that- good?

  - by Kevin

  We are looking at Magento as a possible commerce solution, but we are reading more bad than good on the free product. However Magento sells itself as the best thing ever, so I am confused on its actual value. Thought I'd ask the pros here. Can any seasoned developer here explain the difficulties in using Magento not only as a commerce solution, but a CMS solution? Can it do easy content management like Drupal, Joomla, etc? If I wanted a custom list of products, is that simple or do you have to spend hours learning where to create the code? Is it modular in the way Drupal is where you can say, here is my custom code, and interact with Magento and change some of its function? Is it difficult to conceive how it works from a developer, user, and customer standpoint? We don't use Zend Framework and are not familiar with Smarty syntax (which I think Magento uses for templating). The risk in my mind is that the learning curve will be really steep (especially for the designers), and trouble tickets may take a long time to resolve (resulting in some pissed off customers). Any thoughts from people who have used Magento extensively?

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• Good examples of MapServer / OpenLayers

  - by MarkJ

  I want to convince some clients to use MapServer and OpenLayers. Please can anyone suggest attractive websites to show off the possiblities! The clients will be impressed by: A density map (otherwise known as a heat map, colour-shaded grid coverage, contour plot...). The ability for the user to download the underlying data for the density map, restricted to the area being viewed, in some format such as netCDF. Standard OpenLayers stuff. Zooming, panning, scale bar, overview map... Different base layers. Could be WMS, Google, Bing... Searching for a placename, map is panned to display the place. MapServer.org seems to be down right now :( But from memory their examples didn't have the "wow" factor. The OpenLayers examples demonstrate only one or two features per example - I want something to wow the clients by showing all the capabilities in one example. PS If you have good examples that use some other open source tools, post them by all means. But just JavaScript please: customer says no rich client.

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• Database with "Open Schema" - Good or Bad Idea?

  - by Claudiu

  The co-founder of Reddit gave a presentation on issues they had while scaling to millions of users. A summary is available here. What surprised me is point 3: Instead, they keep a Thing Table and a Data Table. Everything in Reddit is a Thing: users, links, comments, subreddits, awards, etc. Things keep common attribute like up/down votes, a type, and creation date. The Data table has three columns: thing id, key, value. There’s a row for every attribute. There’s a row for title, url, author, spam votes, etc. When they add new features they didn’t have to worry about the database anymore. They didn’t have to add new tables for new things or worry about upgrades. This seems like a terrible idea to me, but it seems to have worked out for Reddit. Is it a good idea in general, though? Or is it a peculiarity of Reddit that happened to work out for them?

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• c++ generate a good random seed for psudo random number generators

  - by posop

  I am trying to generate a good random seed for a psudo-random number generator. I thought I'd get the expert's opinions. let me know if this is a bad way of doing it or if there are much better ways. #include <iostream> #include <cstdlib> #include <fstream> #include <ctime> unsigned int good_seed() { unsigned int random_seed, random_seed_a, random_seed_b; std::ifstream file ("/dev/random", std::ios::binary); if (file.is_open()) { char * memblock; int size = sizeof(int); memblock = new char [size]; file.read (memblock, size); file.close(); random_seed_a = int(memblock); delete[] memblock; }// end if else { random_seed_a = 0; } random_seed_b = std::time(0); random_seed = random_seed_a xor random_seed_b; return random_seed; } // end good_seed()

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• auto Focus (Hit Enter) Javascript function is working good in IE7 but not working in IE8

  - by James123

  Hi, I used a javascript FocusChange() in my aspx page. I have couple of controls and I need Hit enter key need to move next control based on tab index. It is working good in IE7 but not working in IE8... Please help me on this.. Thanks for your help in advance. The java script is given below. function FocusChange() { if (window.event.keyCode == 13) { var formLength = document.form1.length; // Get number of elements in the form var src = window.event.srcElement; // Gets the field having focus var currentTabIndex = src.getAttribute('tabindex'); // Gets its tabindex // scroll through all form elements and set focus in field having next tabindex for (var i = 0; i < formLength; i++) { if (document.form1.elements[i].getAttribute('tabindex') == currentTabIndex + 1) { for (var j = i; j <= formLength; j++) { if (document.form1.elements[j].disabled == false) { document.form1.elements[j].focus(); event.returnValue = false; event.cancel = true; return; } } } } } }

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• What are good NoSQL and non-relational database solutions for audit/logging database

  - by Juha Syrjälä

  What would be suitable database for following? I am especially interested about your experiences with non-relational NoSQL systems. Are they any good for this kind of usage, which system you have used and would recommend, or should I go with normal relational database (DB2)? I need to gather audit trail/logging type information from bunch of sources to a centralized server where I could generate reports efficiently and examine what is happening in the system. Typically a audit/logging event would consist always of some mandatory fields, for example globally unique id (some how generated by program that generated this event) timestamp event type (i.e. user logged in, error happened etc) some information about source (server1, server2) Additionally the event could contain 0-N key-value pairs, where value might be up to few kilobytes of text. It must run on Linux server It should work with high amount of data (100GB for example) it should support some kind of efficient full text search It should allow concurrent reading and writing It should be flexible to add new event types and add/remove key-value pairs to new events. Flexible=no changes should be required to database schema, application generating the events can just add new event types/new fields as needed. it should be efficient to make queries against database. For reporting and exploring what happened. For example: How many events with type=X occurred in some time period. Get all events where field A has value Y. Get all events with type X and field A has value 1 and field B is not 2 and event occurred in last 24h

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• Good grammar for date data type for recursive descent parser LL(1)

  - by Totophil

  I'm building a custom expression parser and evaluator for production enviroment to provide a limited DSL to the users. The parser itself as the DSL, need to be simple. The parser is going to be built in an exotic language that doesn't support dynamic expression parsing nor has any parser generator tools available. My decision is to go for recursive descent approach with LL(1) grammar, so that even programmers with no previous experience in evaluating expression could quickly learn how the code works. It has to handle mixed expressions made up of several data types: decimals, percentages, strings and dates. And dates in the format of dd/mm/yyyy are easy to confuse with a string of devision ops. Is where a good solution to this problem? My own solution that is aimed at keeping the parser simple involves prefixing dates with a special symbol, let's say apostrophe: <date> ::= <apostr><digit><digit>/<digit><digit>/<digit><digit><digit><digit> <apostr> ::= ' <digit> ::= '0'..'9'

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• Git branching / rebasing good practices

  - by Pawel Krupinski

  I have a following scenario: 3 branches: - Master - MyBranch branched off Master for the purpose of developing a new feature of the system - MyBranchLocal branched off MyBranch as my local copy of the branch MyBranch is being rebased against and pushed to by other developers (who are working on the same feature as I am). As the owner of the MyBranch branch I want to keep it in sync with Master by rebasing. I also need to merge the changes I make to MyBranchLocal with MyBranch. What is a good way to do that? Couple of possible scenarios I tried so far: I. 1. Commit change to MyBranchLocal 2. Rebase MyBranch against Master 3. Rebase MyBranchLocal against MyBranch 4. Merge MyBranch with MyBranchLocal II. 1. Commit change to MyBranchLocal 2. Merge MyBranch with MyBranchLocal 3. Rebase MyBranch against Master 4. Rebase MyBranchLocal against MyBranch III. 1. Commit change to MyBranchLocal 2. Rebase MyBranch against Master 3. Merge MyBranch with MyBranchLocal 4. Rebase MyBranchLocal against MyBranch I already know that scenario III seems to be messing the commit history up a lot, potentially duplicating commits. What is your experience? What scenarios do you recommend?

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• Suggest a good method with least lookup time complexity

  - by Amrish

  I have a structure which has 3 identifier fields and one value field. I have a list of these objects. To give an analogy, the identifier fields are like the primary keys to the object. These 3 fields uniquely identify an object. Class { int a1; int a2; int a3; int value; }; I would be having a list of say 1000 object of this datatype. I need to check for specific values of these identity key values by passing values of a1, a2 and a3 to a lookup function which would check if any object with those specific values of a1, a2 and a3 is present and returns that value. What is the most effective way to implement this to achieve a best lookup time? One solution I could think of is to have a 3 dimensional matrix of length say 1000 and populate the value in it. This has a lookup time of O(1). But the disadvantages are. 1. I need to know the length of array. 2. For higher identity fields (say 20), then I will need a 20 dimension matrix which would be an overkill on the memory. For my actual implementation, I have 23 identity fields. Can you suggest a good way to store this data which would give me the best look up time?

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• Good ways to dynamically generate the start image of an iPhone/iPad app

  - by Dr Dork

  I'm self-learning iPhone development and I see that one of the aspects of an iPhone/iPad app is the start image that gets displayed when your app is run. I'd like my start image to display some basic info about the user when the app is launched, but that info has to first be collected by the user when the app is first run. That tells me that I either need to dynamically generate the start image after the user enters their information or I need to place a label of some sort on top of my static start image in order to accomplish this. The first time the app launched and before the user enters their info, the start image can be anything or nothing at all, I'm not concerned about this. So, my two questions are this... Can you place controls, like a label, on top of the start image when your app is launched? If not, what's a good approach to dynamically generating the start image after the app is launched for the first time and the user info is collected? Thanks so much in advance for your help! I'm going to begin researching this question right now.

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• Java exception handling in non sequential tasks (pattern/good practice)

  - by Hernán Eche

  There are some task that should't be done in parallel, (for example opening a file, reading, writing, and closing, there is an order on that...) But... Some task are more like a shoping list, I mean they could have a desirable order but it's not a must..example in communication or loading independient drivers etc.. For that kind of tasks, I would like to know a java best practice or pattern for manage exceptions.. The java simple way is: getUFO { try { loadSoundDriver(); loadUsbDriver(); loadAlienDetectorDriver(); loadKeyboardDriver(); } catch (loadSoundDriverFailed) { doSomethingA; } catch (loadUsbDriverFailed) { doSomethingB; } catch (loadAlienDetectorDriverFailed) { doSomethingC; } catch (loadKeyboardDriverFailed) { doSomethingD; } } But what about having an exception in one of the actions but wanting to try with the next ones?? I've thought this approach, but don't seem to be a good use for exceptions I don't know if it works, doesn't matter, it's really awful!! getUFO { Exception ex=null; try { try{ loadSoundDriver(); }catch (Exception e) { ex=e; } try{ loadUsbDriver(); }catch (Exception e) { ex=e; } try{ loadAlienDetectorDriver(); }catch (Exception e) { ex=e; } try{ loadKeyboardDriver() }catch (Exception e) { ex=e; } close the file; if(ex!=null) { throw ex; } } catch (loadSoundDriverFailed) { doSomethingA; } catch (loadUsbDriverFailed) { doSomethingB; } catch (loadAlienDetectorDriverFailed) { doSomethingC; } catch (loadKeyboardDriverFailed) { doSomethingD; } } seems not complicated to find a better practice for doing that.. I still didn't thanks for any advice

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