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  • How do I store and retrieve TimeUUIDType types with Net::Cassandra::Easy?

    - by Holden Robbins
    Doing the following: my $c = Net::Cassandra::Easy->new(server => 'localhost', port => '9160', keyspace => 'Keyspace1'); $c->connect(); my $uuid_bin = Data::UUID->new()->create_bin(); eval { $result = $c->mutate([$key], family => 'StandardByUUID1', insertions => { $uuid_bin => '123' }); }; warn $@ if $@; Result is a: Net::GenCassandra::InvalidRequestException I didn't see anything similar to Net::Cassandra::Easy::pack_decimal for UUIDs.

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  • What makes this struct incomplete?

    - by Mechko
    gcc lovingly throws me this error: bst.c:33: error: invalid application of ‘sizeof’ to incomplete type ‘struct BSTNode’ What makes BSTnode incomplete? Below are the struct definitions relevant to BSTnode. struct BSTnode{ struct BSTnode * left; struct BSTnode * right; struct hash minhash; struct hash maxhash; struct DHTid owner; int misses; }; where we have: struct hash{ int hash; } struct DHTid { int islocal; unsigned long addr; unsigned short port; struct DHTnode * node; }; and currently: struct DHTnode{ int something; }

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  • Choosing embedded EJB 3.x container to run JEE 5 app on Tomcat

    - by grigory
    I am sorry in advance if my question sounds too generic - I am doing all preliminary research myself but nothing substitutes real experience... My goal is to port a legacy JEE application (pre-EJB 3.x) to Tomcat with embedded EJB container. My choices currently stand as follows: JBoss Embeddable EJB Apache OpenEJB OW2 Consortium EasyBeans anything else? I am expecting to use JMS (with MDBs), Session beans (stateful and stateless), JPA and I am really excited about using JSF with Seam. Now, given choices above, are there any advantages in using one or another embedded EJB provider?

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  • Remote JMX connection

    - by tuler
    I'm trying to open a JMX connection to java application running on a remote machine. The application JVM is configured with the following options: com.sun.management.jmxremote com.sun.management.jmxremote.port=1088 com.sun.management.jmxremote.authenticate=false com.sun.management.jmxremote.ssl=false I'm able to connect using localhost:1088 using jconsole or jvisualvm. But I'm not able to connect using xxx.xxx.xxx.xxx:1088 from a remote machine. There is no firewall between the servers, or on the OS. But to eliminate this possibility I telnet xxx.xxx.xxx.xxx 1088 and I think it connects, as the console screen turns blank. Both servers are Windows Server 2008 x64. Tried with 64-bit JVM and 32-bit, neither work.

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  • QML 5.3 iOS compilation of pure QML app

    - by Nathaniel Johnson
    I have an application written in QML. Initially, I used the standard C++ bootstrap for the app. int main(int argc, char *argv[]) { QApplication app(argc, argv); // A bunch of components and data models written in C++ QQmlApplicationEngine engine; engine.load(QUrl(QStringLiteral("qrc:///main.qml"))); return app.exec(); } The bulk of the app is in QML and the more I work with QML, the happier I am with it and the more I feel comfortable converting the C++ pieces to QML. So, it comes to one risk that I wanted to ask about. If I convert the app to a pure QML application like the kind generated by the Qt Quick UI application wizard with no C++ and designed to be run with qmlscene will I be able to compile it for iOS when the time to port it comes or will I end up just converting it back to the C++ loader form? TL;DR Can pure QML (no C++) apps be compiled and run on iOS devices?

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  • Invoking play on a QTMovie causes screensaver to deactivate on Snow Leopard

    - by ressaw
    I'm trying to port a working Leopard screensaver to Snow Leopard but it's deactivating after about half a second. The screensaver seems to deactivate upon invoking play on a QTMovie. And it deactivates both upon -play on the QTMovie object itself, and -play:self on the QTMovieView. If I don't actually call -play on the object, the screensaver does not deactivate and sits still on the first frame of the movie. Setting up the same code in a regular Cocoa Application works fine, and the screensaver also works fine in preview mode in the System Preferences. Any help is greatly appreciated.

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  • Designing a WPF map control.

    - by Dylan
    I'm thinking about making a simple map control in WPF, and am thinking about the design of the basic map interface and am wondering if anyone has some good advice for this. What I'm thinking of is using a ScrollViewer (sans scroll bars) as my "view port" and then stacking everything up on top of a canvas. From Z-Index=0 up, I'm thinking: Base canvas for lat/long calculations, control positioning, Z-Index stacking. Multiple Grid elements to represent the maps at different zoom levels. Using a grid to make tiling easier. Map objects with positional data. Map controls (zoom slider, overview, etc). Scroll viewer with mouse move events for panning and zooming. Any comments suggestions on how I should be building this?

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  • Sphinx non-fulltext, integer only search

    - by James
    Hello guys, I've got a few tables that literally only hold integers, no "words" and for some reason Sphinx is unable to hold this data in it's library. Just returns "0 bytes" errors for these indexes. Is it possible to do this? If so, how? Below is an example from my Sphinx.conf for one that fails. source track { type = mysql sql_host = host sql_user = user sql_pass = pass sql_db = db sql_port = port sql_query = SELECT id, user, time FROM track; sql_attr_uint = user sql_attr_uint = time sql_query_info = SELECT * FROM track WHERE id=$id } index track { source = track path = /var/lib/sphinx/track docinfo = extern charset_type = utf-8 min_prefix_len = 1 enable_star = 1 }

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  • How to Use 3 Monitors

    - by The.Anti.9
    Right now my setup has a nice big 24" flatscreen in the center, and a 19" flatscreen to the left. And a big gaping hole on the right. I have a 3rd monitor to put there, but I'm not sure how to get the computer to recognize it. Do I need a graphics card with 3 ports? Or can I span the monitors over non SLI-Linked graphics cards? Is it possible to plug my 3rd monitor into the on-board VGA port and have it work?

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  • How to make mysql accept connections externally

    - by Tam
    I have a VPS and I want to make mysql DB accept connection externally (from my PC for instance). I have Debian Linux installed on the server. I checked some tutorials online and they said to comment out: bind-address = 127.0.0.1 But this didn't seem to help! is there anything specific for VPSs? or Am I missing something else? The command that runs mysql is: /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --pid-file=/var/run/mysqld/mysqld.pid --skip-external-locking --port=3306 --socket=/var/run/mysqld/mysqld.sock

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  • String Utility Library for Code Generation

    - by Adam Barney
    CodeSmith has a nice StringUtils class that can be used to change database object names to singular, plural, camel case, pascal case, etc... Very useful for creating data access layers in their code generation tool. I'm trying to port some CodeSmith templates to the T4 template files used by Visual Studio, and I'm trying to find a similar library to do these things. There must be one somewhere in T4, since that's what is used to produce the LINQ to SQL classes, and it does a nice job of pluralization / singularization. Does anyone know where this library exists, or if a free library with similar functionality exists somewhere? Thanks!

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  • C#, WindowsForms difference to simple Console App

    - by daemonfire300
    Hi there, I currently started to "port" my console projects to WinForms, but it seems I am badly failing doing that. I am simply used to a console structure: I got my classes interacting with each other depending on the input coming from the console. A simple flow: Input -> ProcessInput -> Execute -> Output -> wait for input Now I got this big Form1.cs (etc.) and the "Application.Run(Form1);" But I really got no clue how my classes can interact with the form and create a flow like I described above. I mean, I just have these "...._Click(object sender....)" for each "item" inside the form. Now I do not know where to place / start my flow / loop, and how my classes can interact with the form. thanks and regards daemonfire

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  • Use DLL and have it be as trusted as my own application is

    - by Binary255
    Hi, I am using a port of GNU GetOpts, to be specific I am using the one at: http://getopt.codeplex.com I have added the DLL as a reference. But when I run my application I receive an exception: System.IO.FileLoadException was unhandled Message="Could not load file or assembly 'Gnu.Getopt, Version=0.9.1.24287, Culture=neutral, PublicKeyToken=d014b4ccdc53511a' or one of its dependencies. Failed to grant permission to execute. (Exception from HRESULT: 0x80131418)" If it is possible I would like my application to say, "trust this DLL as much as you trust me". Is there a way to do that so I won't have to fiddle with security settings? And if there is not. What is the cleanest way to get the DLL working?

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  • ASP.Net MVC 2 on nginx/mono 2.8

    - by mace
    Hi, I am trying to setup ASP.Net MVC 2 application on Linux environment. I've installed Ubuntu 10.10 on VirtualBox, then installed Mono 2.8 from sources. After that I have installed nginx and configure it as recommended here. Unfortunately, FastCGI shows me standard error 500 page: No Application Found Unable to find a matching application for request: Host localhost:80 Port 80 Request Path /Default.aspx Physical Path /var/www/mvc/Default.aspx My application is located in /var/www/mvc directory. I've tried to create some stub Default.aspx file and place it in root dir of my application, but it didn't help, same error occured. Thanks.

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  • Subversion: svn protocol with HTTP/HTTPS proxy

    - by Neeraj
    Hi all, I need to do a svn checkout,say svn checkout svn://XYZ.com/trunk. I am using the svn client from behind the proxy. I had accessed other repositries using the http protocol in past but with svn protocol,it fails with "Connection Refused", reason I think being the port not allowed by the proxy.Nonetheless, the HTTP protocol is not supported on the server. However, svn+ssh gets connected but it prompts for an account at that server which I don't have? Is there any way out other than requesting for an account? Note that I can't affect the settings of the proxy server.

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  • How to make a scroller on a micro-processor/-controller?

    - by Louise
    I would like to write a text scroller on a micro-processor with 4 5x7 displays in ANSI-C. Does anyone know of example source code or anything that can help me get started? Update This is the user manual for the micro-processor board I have. On PDF page 17 is a picture of the board with the displays. The code is written in an IDE called "zds2_Z8Encore493.exe" and then flashed to the micro-controller over serial port. I would like the text to cascade from one to the next to the next column-by-column, so it is smooth.

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  • How can I easily make a java application invisible to the user?

    - by Pedro Bellora
    Hello! I have developed a Java aplication that is currently being run by double-clicking on a ".bat" file that does something like "java -jar proy.jar". This application just listens on a port and writes to a database, so it does not have any user interface (such as a window). I need this application to run as in background mode, or as it where a service, but I don't really anything more than that. It's enough if the application is run in a way that is not noticeable by the user, so that the user is not bothered and so the application can not be mistakenly closed. By the way, this will be run on an specific computer so it's okay if I have to do any manual configuration ir order to make this work. Also, I need this application to run on startup. Any help/tips regarding this? In advance, thank you very much for your help! Regards, Pedro

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  • Asterisk in eregi

    - by Mihai
    //URL START $urlregex = "^(https?|ftp)\:\/\/"; // USER AND PASS $urlregex .= "([a-z0-9+!*(),;?&=\$_.-]+(\:[a-z0-9+!*(),;?&=\$.-]+)?@)?"; // HOSTNAME OR IP $urlregex .= "[a-z0-9+\$-]+(.[a-z0-9+\$_-]+)*"; // PORT $urlregex .= "(\:[0-9]{2,5})?"; // PATH $urlregex .= "(\/([a-z0-9+\$_-].?)+)*\/?"; // GET Query $urlregex .= "(\?[a-z+&\$.-][a-z0-9;:@/&%=+\$.-]*)?"; // ANCHOR $urlregex .= "(#[a-z_.-][a-z0-9+\$_.-]*)?\$"; // check if (eregi($urlregex, $url)) {echo "good";} else {echo "bad";} but what if I have http://www.example.com/about-me/my-4*-hotel/ That eregi check isn't valid because of the asterisk. What should I do?

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  • What does "infinity" really mean on a connection timeout? Does it retry the connection?

    - by corgrath
    The difference between connection and read timeout, is that read specifies how long the data connection can be open until it automatically closesc, correct? A connection timeout specifies how long the socket should wait until a connection is established, correct? So if a connection timeout is set to "infinity" what does that really mean? Will it try to establish a connection and if no response is given (as on packets are lost? or port is down?) it will just idle? or will Could someone please explain the basics of network/socket timeouts? and in what situation can a client socket wait infinity?

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  • problems to setup the ruby on rails facebooker plugin

    - by fenec
    i am developing a facebook application with rails and the facebooker plugin from my local machine and have problems to set it up. here is my facebooker.yml file enter code here development: api_key: myAPIKey secret_key: mySecretKey canvas_page_name: http://apps.facebook.com/rafikbennacer/ callback_url: http://207.172.82.237:3000 pretty_errors: true set_asset_host_to_callback_url: true tunnel: public_host_username: public_host: public_port: 4007 local_port: 3000 server_alive_interval: 0 I got my Callback URL accessible from the outside by doing a port forwarding on my router, everything seems to work but i still have this message error when i go to http://apps.facebook.com/rafikbennacer/: Errors while loading page from application Received HTTP error code 404 while loading http://207.172.82.237:3000/ Please try again later. We appreciate your patience as the developers of test1 and Facebook resolve this issue. Thanks! where am i wrong in my configuration , how can i trouble shoot this error? thank you

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  • SQL Complicated Group / Join by Category

    - by Mike Silvis
    I currently have a database structure with two important tables. 1) Food Types (Fruit, Vegetables, Meat) 2) Specific Foods (Apple, Oranges, Carrots, Lettuce, Steak, Pork) I am currently trying to build a SQL statement such that I can have the following. Fruit < Apple, Orange Vegetables < Carrots, Lettuce Meat < Steak, Port I have tried using a statement like the following Select * From Food_Type join (Select * From Foods) as Foods on Food_Type.Type_ID = Foods.Type_ID but this returns every Specific Food, while I only want the first 2 per category. So I basically need my subquery to have a limit statement in it so that it finds only the first 2 per category. However if I simply do the following Select * From Food_Type join (Select * From Foods LIMIT 2) as Foods on Food_Type.Type_ID = Foods.Type_ID My statement only returns 2 results total.

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  • Hex Decompilers for PIC

    - by Chathuranga Chandrasekara
    I've faced to a problem with a PIC Micro controller. I have a micro-controller programmed by me long time ago and I lost the relevant source code and the schematic diagrams. Now I need to invert the value of a port. I can do this using some NOT gates but it is a big hassle to do so. or alternatively I will need to write the whole program back. I don't expect to see the code back in PIC C or MikroC. Having an understandable assembly code would be sufficient. So do anyone has any experience on a good HEX decompiler that I can use for this purpose? Any comments based on your experience? :)

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  • Trouble getting Flash socket policy file to work.

    - by Alex
    Basically I'm using Flash to connect to a Java server. Despite my Java application replying to the , in the Flash debug log it lists (not sure about the order as there are lots): * Security Sandbox Violation * Connection to 192.168.1.86:4049 halted - not permitted from http://127.0.0.1:8888/Current/wander.swf Warning: Timeout on xmlsocket://192.168.1.86:4049 (at 3 seconds) while waiting for socket policy file. This should not cause any problems, but see http://www.adobe.com/go/strict_policy_files for an explanation. Error: Request for resource at xmlsocket://192.168.1.86:4049 by requestor from http://127.0.0.1:8888/Current/wander.swf is denied due to lack of policy file permissions. What I don't understand is, the server (port 4049) receives the request, outputs the policy file and then closes the connection, surely it shouldn't time out? The policy file I'm using is: <?xml version="1.0"?> <cross-domain-policy><allow-access-from domain="*" to-ports="*" /> </cross-domain-policy>

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  • Brew install pyqt mavericks

    - by user3722876
    I have some trouble installing PyQt on my Mac. HOMEBREW_VERSION: 0.9.5 ORIGIN: https://github.com/Homebrew/homebrew.git HEAD: d8af29d63a5b94ffee863788210c3a895315035f HOMEBREW_PREFIX: /usr/local HOMEBREW_CELLAR: /usr/local/Cellar CPU: quad-core 64-bit sandybridge OS X: 10.9.3-x86_64 Xcode: 5.1.1 CLT: 5.1.0.0.1.1396320587 Clang: 5.1 build 503 MacPorts/Fink: /opt/local/bin/port X11: 2.7.6 => /opt/X11 System Ruby: 2.0.0-451 Perl: /usr/bin/perl Python: /opt/local/bin/python => /opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7 Ruby: /usr/bin/ruby sip installation ok qt installation ok brew install pyqt => make 1 error generated. make[1]: *** [qtlib.o] Error 1 1 error generated. make[1]: *** [siplib.o] Error 1 make: *** [all] Error 2 No idea what's happening...

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  • UnknownHostException for server java

    - by nilesh
    I am not able to connect to an remote known server through Java code; the exception while connecting is java.net.NoRouteToHostException: No route to host. But strangely, I am able to connect to same server through ssh. Details: Simple Java client when tries to establish connection with Java standalone server, while conneting the exception occurs at following statement: Socket socket = new Socket(ServerIP ServerPort); The port needed is open on server so that externally request can come in. Again the following is returns false InetAddress.getByName(SERVER_IP).isReachable(1000) The Server is running on Fedora, Java 5. FYI: Java cannot resolve DNS address from AIX: UnknownHostException is almost same to my question, but somehow this is not AIX related; moreover I feel the issue to be more of Network or firewall issue. Please guide me.

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