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• turning open source software into a consulting business ?

  - by sofreakinghigh

  just some general and specific questions about running a business which uses open source software and sells training, services, and other value added solutions utilizing the open source asset(s). 1) how much modification do you need to make to an existing open source software/framework to give a new brand ? open source (GPLv3) branding issues here.... for ex) Mambo and Joomla, i think they are pretty much same ? but they have different labels. 2) Is there a disadvantage of promoting open source software/framework/suite in hopes of selling value added services and solutions on top of the Open source asset ? 3) can Open source assets be marketing point for lowered Total Ownership Cost and transparency ? meaning, clients will not be using some mysterious, opaque proprietary asset ? 4) is competition fierce? cost of developing software is non existing because you are using an open source asset. barrier to entry is minimal ??

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• How to generate pdf files _with_ utf-8 multibyte characters using Zend Framework

  - by Sejanus

  Hello, I've got a "little" problem with Zend Framework Zend_Pdf class. Multibyte characters are stripped from generated pdf files. E.g. when I write aabccdee it becomes abcd with lithuanian letters stripped. I'm not sure if it's particularly Zend_Pdf problem or php in general. Source text is encoded in utf-8, as well as the php source file which does the job. Thank you in advance for your help ;) P.S. I run Zend Framework v. 1.6 and I use FONT_TIMES_BOLD font. FONT_TIMES_ROMAN does work

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• Zend_Soap_Client doesn't work with proxy

  - by understack

  I'm accessing a SOAP web service like : $wsdl_url = 'http://abslive3.timesgroup.com:8888/clsRSchedule.soap?wsdl' ; $client = new Zend_Soap_Client($wsdl_url, array('proxy_host'=>"http://virtual-browser.25u.com" , 'proxy_port'=>80)); Since my shared server blocks port 8888, I'm using this proxy server. But Zend Soap Client tries to directly connect it. Exception information: Message: SOAP-ERROR: Parsing WSDL: Couldn't load from 'http://abslive3.timesgroup.com:8888/clsRSchedule.soap?wsdl' : failed to load external entity "http://abslive3.timesgroup.com:8888/clsRSchedule.soap?wsdl" Stack trace: #0 /home/..../library/Zend/Soap/Client/Common.php(51): SoapClient->SoapClient('http://abslive3...', Array) #1 /home/..../library/Zend/Soap/Client.php(1024): Zend_Soap_Client_Common->__construct(Array, 'http://abslive3...', Array) #2 /home/..../library/Zend/Soap/Client.php(1180): Zend_Soap_Client->_initSoapClientObject() #3 /home/..../library/Zend/Soap/Client.php(1104): Zend_Soap_Client->getSoapClient() #4 [internal function]: Zend_Soap_Client->__call('ReturnDataSet', Array) What am I doing wrong?

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• NSZombieEnabled hides EXC_BAD_ACCESS error entirely

  - by David Liu

  So I have a subclass of a UIView that starts causing EXC_BAD_ACCESS errors when I go through a specific set of conditions (run on iPad instead of iPhone or simulator, first login only). It throws the exception when the UIView subclass gets deallocated, during the last line, where I have [super dealloc]. I heard about using NSZombieEnabled, so I tossed that on to see if I could get any more information about it, but now it hides the error completely! Does anyone know a bit more about this type of situation? I thought NSZombie would start spewing stuff into my console like before, but I'm hoping that the nonexistance of errors would tell me some sort of information as well.

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• Converting a JSP to a SharePoint webpart

  - by Kelly French

  We have a large number of Java based servlets/portlets running in a BEA portal that we want to convert into SharePoint 2007 webparts. Many of the portlets use user preferences but the implementations are split between preferences being handled by the portlet directly and stored in a separate database from the portal. Others are using the BEA WebLogic API for user preferences. Three questions: Has anyone gotten a Java Servlet/JSP (compiled against JRE 1.4.2 and running on Tomcat 4.1) to run as a SharePoint 2007 webpart? How large of an effort was it in general (as in, was it measured in days/weeks/months)? Would it be easier to rewrite the portlet as native webparts at least as far as user preferences are concerned?

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• How to pause a thread in java?

  - by mithun1538

  Consider the following code: while(true) { someFunction(); Thread.sleep(1000); } What I want is that, someFunction() be called once every 10 seconds. But this is not the case. It is being called every second. I tried Thread.wait(1000), but even that doesnt help. I removed of the while part, just kept the body, and at the end wrote : Thread.start(); But it throwed an exception. Is there any other solution to this?

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• Get th lat and lon using address

  - by sairam333

  Hi I use below code for getting the lattitude and longitude Using the given address try { List<Address> foundAdresses = gc.getFromLocationName(addressInput, 5); //Search addresses for (int j = 0; j < foundAdresses.size(); ++j) { //Save results as Longitude and Latitude //@todo: if more than one result, then show a selected-list Address x = foundAdresses.get(j); lat = x.getLatitude(); lon = x.getLongitude(); } } catch(Exception e) { } But the above code does not return any values into lat,lon(double variables), and i sue the uses-permissions in android manifest file also But the lat,lon variables does not getting any values.Please give me some suggestions.Thanks in advance.

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• StackExchange API key

  - by user21289

  I am working on a project with the StackExchange API, the problem is at a moment I have this Exception on eclipse console: java.io.IOException: Server returned HTTP response code: 400 for URL: https://api.stackexchange.com/2.1/questions?order=desc&sort=votes&tagged=OSM&site=stackoverflow at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source) atbr.inf.pucrio.sog.StackOverflowAcessor.getQuestionsIds(StackOverflowAcessor.java:41) After verifying on the browser with the same link, I have this error message: {"error_id":502,"error_name":"throttle_violation","error_message":"too many requests from this IP, more requests available in 74089 seconds"} I am wondering if this is dur to the limited numbers of the queries per day, if it is the case, how can I do to have the key? if it is not, how can I do to resolve the problem?

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• Limit Connections with semaphores

  - by Robert

  I'm trying to limit the number of connections my server will accept using semaphores, but when running, my code doesn't seem to make this restriction - am I using the semaphore correctly? eg. I have hardcoded the number of permit as 2, but I can connect an unlimited number of clients... public class EServer implements Runnable { private ServerSocket serverSocket; private int numberofConnections = 0; private Semaphore sem = new Semaphore(2); private volatile boolean keepProcessing = true; public EServer(int port) throws IOException { serverSocket = new ServerSocket(port); } @Override public void run() { while (keepProcessing) { try { sem.acquire(); Socket socket = serverSocket.accept(); process(socket, getNextConnectionNumber()); } catch (Exception e) { } finally { sem.release(); } } closeIgnoringException(serverSocket); } private synchronized int getNextConnectionNumber() { return ++numberofConnections; } // processing related methods }

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• UndeclaredThrowableException due to SQLException in Spring + iBatis?

  - by jr

  Hello, I am getting the following exception when I typo the SQL driver name or the database server is offline, basically any SQLException. I can't determine where the UndeclaredThrowableException is coming from. Line 194 in SqlMapClientTemplate is this: logger.debug("Obtained JDBC Connection [" + springCon + "] for iBATIS operation"); Here is the trace: java.lang.reflect.UndeclaredThrowableException $Proxy59.toString(Unknown Source) java.lang.String.valueOf(Unknown Source) java.lang.StringBuffer.append(Unknown Source) org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemplate.java:194) org.springframework.orm.ibatis.SqlMapClientTemplate.executeWithListResult(SqlMapClientTemplate.java:249) org.springframework.orm.ibatis.SqlMapClientTemplate.queryForList(SqlMapClientTemplate.java:296) org.springframework.orm.ibatis.SqlMapClientTemplate.queryForList(SqlMapClientTemplate.java:290) some of my reading points to some type of class loading problem? I can't figure out where the $Proxy is getting introduced?

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• Yield only as many are required from a generator

  - by Matt Joiner

  I wish to yield from a generator only as many items are required. In the following code a, b, c = itertools.count() I receive this exception: ValueError: too many values to unpack I've seen several related questions, however I have zero interest in the remaining items from the generator, I only wish to receive as many as I ask for, without providing that quantity in advance. It seems to me that Python determines the number of items you want, but then proceeds to try to read and store more than that number. How can I yield only as many items as I require, without passing in how many items I want?

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• RSA Encrypt in PHP to decrypt in .NET

  - by user312904

  In PHP I am RSA encrypting a message to be decrypted by .NET application... but I keep getting a "Bad Key" exception from .NET.... For RSA encryption, I am using PEAR class Crypt_RSA- encrypting with the public key (which is a modulus, exponent pair) I get from working encryption system in .NET... I guess the easiest question would be- does "Bad Key" mean it is not able to decrypt the message whatsoever? IE, it is not encrypted correctly? The harder question is- Is there anything specific about RSA encryption that causes quirks between .NET and PHP?

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• AnkhSVN, mysisgit and Pageant

  - by Chalkey

  I have recently installed msysgit on my machine (its running Windows 7) to use Git for some projects. A lot of my projects are under SVN, in which I use AnkhSVN in Visual Studio 2008 to commit etc. Since I have installed msysgit everytime I try to commit, update etc inside Visual Studio, the program C:\msysgit\bin\ssh.exe loads up, asks for my password, then Ankh throws an exception. I currently use Pageant to save my login credentials for SVN - I have TortoiseSVN installed, which is still working fine... Has anybody got any suggestions to get Anhk working again - without uninstalling msysgit? Thanks

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• Django admin interface upload failing on request data read error

  - by Jake

  Hi All, This is an updated version of an old question I asked. I've now done a lot more testing, plus the old question got hijacked. I'm getting a request data read error when trying to upload files to the Django admin interface. Files under about 150k work, but bigger files always fail and almost always at around 192k (that's 3 chunks) completed, sometimes at around 160k. The Exception I get is below. File "/usr/lib/python2.4/site-packages/django/http/multipartparser.py", line 405, in read return self._file.read(num_bytes) IOError: request data read error I've tried Chrome and Firefox on Windows and Firefox on Mac - Same results. I can upload to other sites so I don't think it's my connection. I'm running python 2.4, django 1.1, mod_wsgi, on CentOS (a media temple DV server) Locally it's fine (Django development server) Everything I've found on this issue says it's a mod_python issue and that changing to mod_wsgi will fix it, but I am running mod_wsgi. Can anyone help?

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• Oracle: show parameters on error

  - by llappall

  When Oracle logs a parameterized SQL query failing, it shows "?" in place of the parameters, i.e. the query before replacing parameters. For example, "SELECT * FROM table where col like '?'" SQL state [99999]; error code [29902]; ORA-29902: error in executing ODCIIndexStart() routine ORA-20000: Oracle Text error: DRG-50901: text query parser syntax error on line 1, column 48 Is there a way to change logging so it shows the parameter values? The information above is absolutely useless unless I can see what the actual parsing problem was. In general, is there a way to set logs in Oracle to show parameters in parameterized query errors?

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• Calling a function of en external javascript file

  - by strakastroukas

  Hello. In general... How can I make a call on a function of an external javascript file? More specific... In the head tag i have <script type="text/javascript" src="JScript/FontSize.js"></script> The external javascript file, (that i would like to call) FontSize.js contains the following functions. function checkCookie() function setCookie(c_name, value, expiredays) function getCookie(c_name) function increaseFontSize() function decreaseFontSize() The FontSize.js is located at the ~/Jscript/ directory I guess the body on load should contain something like <body onload="/JScript/Fontsize.js/checkCookie()"> Of course nothing works as it should because, i do not know how to make the call to a function to an external js file

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• Is it possible to temporarily disable Python's string interpolation?

  - by dangerouslyfacetious

  I have a python logger set up, using python's logging module. I want to store the string I'm using with the logging Formatter object in a configuration file using the ConfigParser module. The format string is stored in a dictionary of settings in a separate file that handles the reading and writing of the config file. The problem I have is that python still tries to format the file and falls over when it reads all the logging-module-specific formatting flags. { "log_level":logging.debug, "log_name":"C:\\Temp\\logfile.log", "format_string": "%(asctime)s %(levelname)s: %(module)s, line %(lineno)d - %(message)s" } My question is simple: how can I disable the formatting functionality here while keeping it elsewhere. My initial reaction was copious use of the backslash to escape the various percent symbols, but that of course permanently breaks the formatting such that it wont work even when I need it to. Also, general pointers on good settings-file practices would be nice. This is the first time I've done anything significant with ConfigParser (or logging for that matter). Thanks in advance, Dominic

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• Database connection management in Spring

  - by ria

  Do we have to explicitly manage database resources when using Spring Framework.. liking closing all open connections etc? I have read that Spring relieves developer from such boiler plate coding... This is to answer an error that I am getting in a Spring web app: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: ORA-00020: maximum number of processes (150) exceeded The jdbcTemplate is configured in the xml file and the DAO implementation has reference to this jdbcTemplate bean which is used to query the database.

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• Strange Scala error.

  - by Lukasz Lew

  I tried to create abstract turn based Game and abstract AI: abstract class AGame { type Player type Move // Player inside def actPlayer : Player def moves (player : Player) : Iterator[Move] def play (move : Move) def undo () def isFinished : Boolean def result (player : Player) : Double } abstract class Ai[Game <: AGame] { def genMove (player : Game#Player) : Game#Move } class DummyGame extends AGame { type Player = Unit type Move = Unit def moves (player : Player) = new Iterator[Move] { def hasNext = false def next = throw new Exception ("asd") } def actPlayer = () def play (move : Move) { } def undo () { } def isFinished = true def result (player : Player) = 0 } class DummyAi[Game <: AGame] (game : Game) extends Ai[Game] { override def genMove (player : Game#Player) : Game#Move = { game.moves (player).next } } I thought that I have to use this strange type accessors like Game#Player. I get very puzzling error. I would like to understand it: [error] /home/lew/Devel/CGSearch/src/main/scala/Main.scala:41: type mismatch; [error] found : Game#Player [error] required: DummyAi.this.game.Player [error] game.moves (player).next [error] ^

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• How Can I up my Street Cred in the coding world

  - by RedEye

  I know this isn't directly related to a specific coding problem. It's a more general programming question. I'm a n00b... Been coding for 1 year, and it's where I belong. I want to get hardcore and put everything I have into it. I started with C++ and now I'm into C#. I love it all. What can I do to up my game and up my respect in the programming world?

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• Help needed with MySQL query to join data spanning multiple tables with data used as column names

  - by gurun8

  I need a little help putting together a SQL query that will give me the following resultsets: and The data model looks like this: The tricky part for me is that the columns to the right of the "Product" in the resultset aren't really columns in the database but rather key/value pairs spanned across the data model. Table data is as follows: My apologies in advance for the image heavy question and the image quality. This just seemed like the easiest way to convey the information. It'll probably take someone less time to write the query statement to achieve the results than it did for me to assemble this question. By the way, the "product_option" table image is truncated but it illustrated the general idea of the data structure. The MySQL server version is 5.1.45.

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• Quicksort causes stackoverflow...

  - by Tony

  I have the following code, (taken from here), but it causes a stackoverflow exception when there's two the same value's in the list to sort. Can someone help me what's causing this? public static IEnumerable<int> QSLinq(IEnumerable<int> _items) { if (_items.Count() <= 1) return _items; var _pivot = _items.First(); var _less = from _item in _items where _item < _pivot select _item; var _same = from _item in _items where _item == _pivot select _item; var _greater = from _item in _items where _item > _pivot select _item; return QSLinq(_less).Concat(QSLinq(_same)).Concat(QSLinq(_greater)); }

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• Ruby PTY.spawn is Hanging - How to fill out Email and Password in simple example

  - by viatropos

  After asking this question, it looks like I need to use Ruby's PTY Module, of which there is no documentation. I have written this code to try to push content to Google App Engine because the python command sometimes asks me for my username and password. But when I run this code, it just hangs. cmd = "appcfg.py update cdn" PTY.spawn("#{cmd} 2>&1") do | input, output, pid | begin input.expect("Email:") do output.write("#{credentials[:username]}\n") end input.expect("Password:") do output.write("#{credentials[:password]}\n") end rescue Exception => e puts "GAE Error..." end end What am I missing here? How can I get this to work?

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• Should I update an application when a used framework release a new version?

  - by Alex

  I have an application that use several libraries and frameworks, should I update my application to use the latest version of those frameworks when a new stable version is available? For example, migrate from python 2.x to python 3.x, or from spring 2.5 to spring 3.0, but the question es very general, not language specific. If I keep the application updated to use the latest stable frameworks versions then I will have new features available in case I need them. If I don't, then may be in a future I will need to do the update and it will be a lot of work to update the application. Is there any best practice about this?

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• Looping trough feed entries with rome

  - by Gandalf StormCrow

  I'm trying to loop trough Atom feed entries, and get the title attribute lets say, I found this article, I tried this snipped of code : for (final Iterator iter = feeds.getEntries.iterator(); iter.hasNext(); ) { element = (Element)iter.next(); key = element.getAttributeValue("href"); if ((key != null) && (key.length() > 0)) { marks.put(key, key); } } But I get exception saying : java.lang.ClassCastException: com.sun.syndication.feed.synd.SyndEntryImpl cannot be cast to org.jdom.Element at com.emir.altantbh.FeedReader.main(FeedReader.java:47) What did I do wrong? can anyone direct me towards better tutorial or show me where did I make mistake, I need to loop trough entries and extract title tag value. thank you

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