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Articles indexed Sunday April 11 2010

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  • Can't find the PageFlow editor/view in Netbeans

    - by Toto
    I'm following the Java EE firstcup tutorial with Netbeans 6.8 and it says: With the firstcup project selected in the Projects pane, expand Configuration File and double-click faces-config.xml. Click PageFlow in the top left corner of the editor pane to display the visual navigation editor. I can't find that PageFlow mentioned. Where should I look for that button in the IDE? Am I missing any plugin or something?

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  • Controlling shell command line wildcard expansion in C or C++

    - by Adrian McCarthy
    I'm writing a program, foo, in C++. It's typically invoked on the command line like this: foo *.txt My main() receives the arguments in the normal way. On many systems, argv[1] is literally *.txt, and I have to call system routines to do the wildcard expansion. On Unix systems, however, the shell expands the wildcard before invoking my program, and all of the matching filenames will be in argv. Suppose I wanted to add a switch to foo that causes it to recurse into subdirectories. foo -a *.txt would process all text files in the current directory and all of its subdirectories. I don't see how this is done, since, by the time my program gets a chance to see the -a, then shell has already done the expansion and the user's *.txt input is lost. Yet there are common Unix programs that work this way. How do they do it? In Unix land, how can I control the wildcard expansion? (Recursing through subdirectories is just one example. Ideally, I'm trying to understand the general solution to controlling the wildcard expansion.)

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  • Sind in ObjC recieve in DotNet data over internet?

    - by Kovu
    Hi, is it possible to send data in ObjC (strings, much strings), and recieve them in DotNet C#? The background is I have an Iphone App from and to that I will send data and on the other side a dotnet application that will recieve and sent data. Has someone an howto / idea where to begin?

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  • What is the query string of a BlazeDS request?

    - by dacracot
    I have a Tomcat service running on localhost:8080 and I have installed BlazeDS. I created and configured a simple hello world application like this... package com.adobe.remoteobjects; import java.util.Date; public class RemoteServiceHandler { public RemoteServiceHandler() { //This is required for the Blaze DS to instantiate the class } public String getResults(String name) { String result = “Hi ” + name + “, the time is : ” + new Date(); return result; } } With what query string can I invoke RemoteServiceHandler to my Tomcat instance via just a browser? Something like... http://localhost:8080/blazeds/?xyz

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  • How to send KeyEvents through an input method service to a Dialog, or a Spinner menu?

    - by shutdown11
    I'm trying to implement an input method service that receives intents sent by a remote client, and in response to those sends an appropriate KeyEvent. I'm using in the input method service this method private void keyDownUp(int keyEventCode) { getCurrentInputConnection().sendKeyEvent( new KeyEvent(KeyEvent.ACTION_DOWN, keyEventCode)); getCurrentInputConnection().sendKeyEvent( new KeyEvent(KeyEvent.ACTION_UP, keyEventCode)); } to send KeyEvents as in the Simple Sofykeyboard Sample, and it works in the home, in Activities... but it doesn't works when a Dialog or the menu of a Spinner is in foreground. The events is sent to the parent activity behind the Dialog. Is there any way to send keys and control the device like using the hardware keys from an input method? Better explanation on what I'm trying to do: I am kind of writng an Input Method that allows to control the device from remote. I write in a client (a java application on my desktop pc) a command (for example "UP"), a server on the device with sendBroadcast() sends the intent with the information, and a receiver in the input method gets it and call keyDownUp with the keycode of the DPAD_UP key. It generally works, but when I go to an app that shows a dialog, the keyDownUp method don't sends the key event to the dialog, for example for select the yes or not buttons, but it keeps to control the activty behind the Dialog.

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  • streaming xml pretty printer in C/C++ using expat or libxml2?

    - by Mark Zeren
    I have a library that outputs xml without whitespace all on one line. In some cases I'd like to pretty print that output. I'm looking for a BSD-ish licensed C/C++ library or sample code that will take a raw xml byte stream and pretty print it. Here's some pseudo code showing one way that I might use this functionality: void my_write(const char* buf, int len); PrettyPrinter pp(bind(&my_write)); while (...) { // ... get some more xml ... const char* buf = xmlSource.get_buf(); int len = xmlSource.get_buf_len(); int written = pp.write(buf, len); // calls my_write with pretty printed xml // ... error handling, maybe call write again, etc. ... } I'd like to avoid instantiating a DOM representation. I already have dependencies on the expat and libxml2 shared libraries, and I'd rather not add any more shared library dependencies.

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  • Entity Framework &amp; Transactions

    - by Sudheer Kumar
    There are many instances we might have to use transactions to maintain data consistency. With Entity Framework, it is a little different conceptually. Case 1 – Transaction b/w multiple SaveChanges(): here if you just use a transaction scope, then Entity Framework (EF) will use distributed transactions instead of local transactions. The reason is that, EF closes and opens the connection when ever required only, which means, it used 2 different connections for different SaveChanges() calls. To resolve this, use the following method. Here we are opening a connection explicitly so as not to span across multipel connections.   using (TransactionScope ts = new TransactionScope()) {     context.Connection.Open();     //Operation1 : context.SaveChanges();     //Operation2 :  context.SaveChanges()     //At the end close the connection     ts.Complete(); } catch (Exception ex) {       //Handle Exception } finally {       if (context.Connection.State == ConnectionState.Open)       {            context.Connection.Close();       } }   Case 2 – Transaction between DB & Non-DB operations: For example, assume that you have a table that keeps track of Emails to be sent. Here you want to update certain details like DataSent once if the mail was successfully sent by the e-mail client. Email eml = GetEmailToSend(); eml.DateSent = DateTime.Now; using (TransactionScope ts = new TransactionScope()) {    //Update DB    context.saveChanges();   //if update is successful, send the email using smtp client   smtpClient.Send();   //if send was successful, then commit   ts.Complete(); }   Here since you are dealing with a single context.SaveChanges(), you just need to use the TransactionScope, just before saving the context only.   Hope this was helpful!

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  • ESXi 4.0 Guests Locking up

    - by Brendan Sherwin
    I installed ESXi 4.0 on an HP Proliant g5 with a 64bit Xeon processor and took advantage of the free license as I work for a public school. I created two instances of server 2003 from scratch, one to be the DC, DHCP, the other to be a file server and DNS/DHCP backup. I had both guests up and running fine, setup my user accounts, transferred the data, etc etc. Once I joined a client machine to the domain, I would find that both of my Windows guests would lock up. Sometimes it would be for five or so minutes, once it was overnight. The "locked up" state means that as far I could tell, all services were stopped; dhcp no longer handed out IP's, DNS stopped working, I couldn't RDP into the server. The ESXi host, my HP server, was still running fine. VSphere was working, and I could look at the performance of the individual guests.I would try Powering off the hosts from inside VSPhere, and the hosts would start powering off, but get stuck at 95%, and stay that way, sometimes only for 10 minutes, others for hours. Several times I had to restart ESXi from it's console in order to restart my machines. Now, can anyone tell me what is happening, and how I can fix it, or take steps to prevent it? I hired a consultant to come take a look at it, someone who's experience and knowledge I trust, and he told me he had never seen anything like this ever before. He spoke to a friend of his who is VM certified, and he also said he had never heard of this issue. Thanks for your replies, and I'll do my best to respond ASAP. Currently, the server is powered off, and I've reinstituted my nine year old Server 2000 boxes, and I'm considering installing ESXi 3.5. Does anyone know a host created in 4.0 will work in 3.5? I'd really like to avoid having to rebuild those accounts! I know 4.0 works on this server, as I have another server in another school with the same exact hardware running 4.0 fine. Brendan

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  • i5 540M or i7 720QM for laptop running VMs and software development tools?

    - by Donald Hughes
    I'm a software developer that would primarily be running Windows 7 as the primary operating system. On a typical day, I might, at any given moment, be running Visual Studio, Expression Web, SQL Server developer (and Management Console), IIS, Photoshop, a dozen browser tabs in 2-3 different browsers, Skype video chat, streaming music, and a couple of VMs (WinXP and Ubuntu) for testing/experimentation. Obviously, RAM is a concern, which is why I plan to use 8 GB so I can devote enough to the VMs to be usable. I'm also tempted to use an ExpressCard SSD for storing the VM disks to ease disk contention. And I know that that is asking a lot from a laptop, and I should just use a desktop, but I need to be able to take my work with me between several locations. It seems that at a reasonable price point, it comes down to the i5 540M versus the i7 720QM. I'm leaning toward the i7 since it would allow me to dedicate a whole hyperthreaded core to each VM, and still have two cores left for the primary OS. I've heard that the i5 has better battery life, but I'm curious for my scenario if there would be a meaningful difference. I don't usually work without a plug, but I do occasionally ride the train or fly and it would be nice to have at least 3 hours of juice for unusual circumstances. And, finally, for this usage scenario, would a dedicated video option be preferred over the i5's integrated video? It sounds like Visual Studio 2010 (and Windows 7) can take advantage of the video card.

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  • How to convert closed bezier curves to Bitmaps?

    - by Sorush Rabiee
    I need an algorithm to convert a closed bezier curve (perhaps self-crossing) to a binary bitmap: 0 for inside pixels and 1 for outside. I'm writing a code that needs to implement some operations on bezier curves, could anybody give me some resources or tutorials about beziere? Wikipedia and others didn't say anything about optimization, subtracting, union, knot insertion and deletion and other operations :-)

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  • cmake, gcc, cuda and -m32 wtf

    - by Nils
    Hi all I figured out that CUDA does not work in 64bit mode on my mac (or couldn't get it running so far). Therefore I decided to compile everything for 32bit. I use cmake 2.8 and added the following options add_definitions(-Wall -m32) set(CUDA_64_BIT_DEVICE_CODE OFF) set(CMAKE_MODULE_LINKER_FLAGS -m32) However when it tries to link it it does something like this: /usr/bin/c++ -mmacosx-version-min=10.6 -Wl,-search_paths_first -headerpad_max_install_names CMakeFiles/SimpleTestsCUDA.dir/BlockMatrix.cpp.o CMakeFiles/SimpleTestsCUDA.dir/Matrix.cpp.o ./SimpleTestsCUDA_generated_SimpleTests.cu.o ./SimpleTestsCUDA_generated_BlockMatrix.cu.o -o SimpleTestsCUDA /usr/local/cuda/lib/libcudart.dylib /usr/local/cuda/lib/libcuda.dylib Which fails with a lot of "file is not of required architecture" warnings from ld. Now if I add manually -m32 to the command above it works. However I have no idea how to teach cmake to add -m32 to every gcc (or ld) invocation. So far it does it for nvcc and gcc, but not for linking..

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  • TDD and encapsulation priority conflict

    - by Hanseh
    Hi, I just started practicing TDD in my projects. I'm developing a project now using php/zend/mysql and phpunit/dbunit for testing. I'm just a bit distracted on the idea of encapsulation and the test driven approach. My idea behind encapsulation is to hide access to several object functionalities. To make it more clear, private and protected functions are not directly testable(unless you will create a public function to call it). So I end up converting some private and protected functions to public functions just to be able to test them. I'm really violating the principles of encapsulation to give way to micro function testability. Is this the correct way of doing it?

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  • determine if parity bit representation in MIPS

    - by Hristo
    Is there some instruction in MIPS that will determine the parity of a certain bit representation? I know to determine whether a "number" has an even parity or an odd parity is to XOR the individual bits of the binary representation together, but that seems computationally-intensive for a set of MIPS instructions... and I need to do this as quick as possible. Also, the number I'm working in is represented in Grey Code... just to throw that in there. So is there some pseudo-instruction in MIPS to determine the parity of a "number" or do I have to do it by hand? Thanks, Hristo

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  • Hibernate not using schema and catalog name in id generation with strategy increment

    - by Ben
    Hi, I am using the hibernate increment strategy to create my IDs on my entities. @GenericGenerator(name="increment-strategy", strategy="increment") @Id @GeneratedValue(generator="increment=strategy") @Column(name="HDR_ID", unique=true, nullable=false) public int getHdrId(){ return this.hdrId; } The entity has the following table annotation @Table(name = "PORDER.PUB.PO_HEADER", schema = "UVOSi", catalog = "VIRT_UVOS") Please note I have two datasources. When I try to insert an entity Hibernate creates the following SQL statement: select max(hdr_id) from PORDER.PUB.PO_HEADER which causes the following error: Group specified is ambiguous, resubmit the query by fully qualifying group name. When I create a query by hand with entityManager.createQuery() hibernate uses the fully qualified name select XXX from VIRT_UVOS.UVOSi.PORDER.PUB.PO_HEADER and that works fine. So how do I get Hibernate to use the fully qualified name in the Id autogeneration? Btw. I am using Hibernate 3.2 and Seam 2.2 running on JBoss 4.2.3 Regards Immo

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  • FCGI htaccess handler

    - by sharvey
    I'm trying to setup django on a shared hosting provider. I followed the instructions on http://helpdesk.bluehost.com/index.php/kb/article/000531 and almost have it working. The problem I'm facing now is that the traffic is properly routed throught the fcgi file, but the file itself shows up as plain text in the browser. If I run ./mysite.fcgi in the ssh shell, I do get the default django welcome page. my .htaccess is: AddHandler fastcgi-script .fcgi RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^(.*)$ mysite.fcgi/$1 [QSA,L] and mysite.fcgi: #!/usr/bin/python2.6 import sys, os os.environ['DJANGO_SETTINGS_MODULE'] = "icm.settings" from django.core.servers.fastcgi import runfastcgi runfastcgi(method="threaded", daemonize="false") thanks.

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  • Convert a (nested)HTML unordered list of links to PHP array of links

    - by Klark
    Hi, I have a regular, nested HTML unordered list of links, and I'd like to scrape it with PHP and convert it to an array. The original list looks something like this: <ul> <li><a href="http://someurl.com">First item</a> <ul> <li><a href="http://someotherurl.com/">Child of First Item</a></li> <li><a href="http://someotherurl.com/">Second Child of First Item</a></li> </ul> </li> <li><a href="http://bogusurl.com">Second item</a></li> <li><a href="http://bogusurl.com">Third item</a></li> <li><a href="http://bogusurl.com">Fourth item</a></li> </ul> Any of the items can have children. (The actual screen scraping is not a problem, I can do that.) I'd like to turn this into a PHP array, of just the links, while keeping the hierarchical nature of the list. Any ideas? I've looked at using htmlsimpledom and phpQuery, which both use jQuery like syntax. But, I can't seem to get the syntax right. Thanks.

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  • parallel-python error: RuntimeError("Socket connection is broken")

    - by user288558
    I am using a simple program to send a function: import pp nodes=('mosura02','mosura03','mosura04','mosura05','mosura06', 'mosura09','mosura10','mosura11','mosura12') nodes=('miner:60001',) def pptester(): js=pp.Server(ppservers=nodes) js.set_ncpus(0) tmp=[] for i in range(200): tmp.append(js.submit(ppworktest,(),(),('os',))) return tmp def ppworktest(): import os return os.system("uname -a") the result is: wkerzend@mosura:/home/wkerzend/tmp/ppython_test>ssh miner "source ~/coala_python_setup.sh;ppserver.py -d -p 60001" 2010-04-12 00:50:48,162 - pp - INFO - Creating server instance (pp-1.6.0) 2010-04-12 00:50:52,732 - pp - INFO - pp local server started with 32 workers 2010-04-12 00:50:52,732 - pp - DEBUG - Strarting network server interface=0.0.0.0 port=60001 Exception in thread client_socket: Traceback (most recent call last): File "/usr/lib64/python2.6/threading.py", line 525, in __bootstrap_inner self.run() File "/usr/lib64/python2.6/threading.py", line 477, in run self.__target(*self.__args, **self.__kwargs) File "/home/wkerzend/python_coala/bin/ppserver.py", line 161, in crun ctype = mysocket.receive() File "/home/wkerzend/python_coala/lib/python2.6/site-packages/pptransport.py", line 178, in receive raise RuntimeError("Socket connection is broken") RuntimeError: Socket connection is broken

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  • channel interference in cisco wireless access points 1130ag

    - by baskaran
    hello all, i am working as a network admin . in our client company we are eabling more than 70 access point in these 5 are outdoor access points . in this outdoor access points i am getting channel interference is failed , i have changed the channel manually through wlc . at that time only i am getting passed ,after that again it will be failed . so wt should i do ,please help me.

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