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• Web application interacts bi-directional with server program?

  - by Roelof Berkepeis

  I want to write a web application to play chess against the engine Crafty. I'm not new to PHP and javascript, but must learn how to interact with a server process : how can a web application and/or (jQuery) ajax interact bi-directionally with a (linux) program running on the server? At this moment i am developing on (Apache) local host. Crafty is installed on my Ubuntu PC. This well-known chess engine has no GUI, it runs in terminal by the command $ /usr/games/crafty and so you can play chess against it and even see it's calculations. I can make Crafty run by PHP, using the functions proc_open() or exec(), and most documentation i found states that the output stream should be a file .. But i think i don't want such setup, because then the webpage should be constanty polling that file (eg. by ajax) to see if some new data was appended, right? How can Crafty talk to the web page directly, saying "i have calculated another variation" or "i have decided a move" etc, then display this info on the web page and let the user give some counter move, just like in terminal. Isn't it possible to use some session / stream / listener? I have no clue at all, can anybody point me in a right direction?

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• Is it viable to make a port from a C++ application to Java through LLVM

  - by Javier Mr

  how viable is it to port a C++ application to Java bytecode using LLVM (I guess LLJVM)? The thing is that we currently have a process written in C++ but a new client has made mandatory to been able to run the program in a multiplatform way, using the Java Virtual Machine with obviously no native code (no JNI). The idea is to be able to take the generated jar and copy then to different systems (Linux, Win, 32 bits - 64 bits) and it should just work. Looking around looks like it is possible to compile C++ to LLVM IR code and then that code to java bytecode. There is no need of the generated code to be readable. I have test a bit with similar things using emscripten, this takes C++ code and compile it to JavaScript. The result is valid JS but totally unreadable (looks like assambler). Does anybody done a port of an application from C++ to Java bytecode using this tecnique? What problems could we face? Is a valid approach for production code? Note: I am aware that currently we have some non standard C++ and close source libraries, we are looking to removing this non standard code and all close source libraries and use Free Libre Open Source Software, so lets suppose all code is standard C++ code with all code available at compile time. Note: It is not an option to write portable C++ code and then compile it to the desired target platform, the compiled program must be mltiplatform thus the use of JVM (right now we are not looking in similar solutions but Python or other language base, but i would also like to heard about it)

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• How to choose between using a Domain Event, or letting the application layer orchestrate everything

  - by Mr Happy

  I'm setting my first steps into domain driven design, bought the blue book and all, and I find myself seeing three ways to implement a certain solution. For the record: I'm not using CQRS or Event Sourcing. Let's say a user request comes into the application service layer. The business logic for that request is (for whatever reason) separated into a method on an entity, and a method on a domain service. How should I go about calling those methods? The options I have gathered so far are: Let the application service call both methods Use method injection/double dispatch to inject the domain service into the entity, letting the entity do it's thing and then let it call the method of the domain service (or the other way around, letting the domain service call the method on the entity) Raise a domain event in the entity method, a handler of which calls the domain service. (The kind of domain events I'm talking about are: http://www.udidahan.com/2009/06/14/domain-events-salvation/) I think these are all viable, but I'm unable to choose between them. I've been thinking about this a long time and I've come to a point where I no longer see the semantic differences between the three. Do you know of some guidelines when to use what?

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• Auto-starting a GUI application that requires sudo

  - by nanostuff

  Question: I need to auto-start a GUI application that requires sudo. I know I need to edit the sudoers file with: sudo visudo However, I don't know what to write in the file. What I already tried: sudo visudo and then added the following: nanostuff ALL = NOPASSWD: /usr/lib/AirVPN/AirVPN.exe I also tried with: nanostuff ALL = NOPASSWD /usr/bin/X11/airvpn and nanostuff ALL = NOPASSWD /usr/bin/airvpn None of those worked. By doing: ps aux | grep airvpn I get the following output: nanostuff 6805 0.2 0.4 483520 17384 ? Sl 17:13 0:01 /usr/bin/gksu -u root -m AirVPN Client needs administrative privileges. Please enter your password. mono /usr/lib/AirVPN/AirVPN.exe path=/home/nanostuff/.airvpn root 6806 0.0 0.0 78604 2392 ? Ss 17:13 0:00 /usr/bin/sudo -H -S -p GNOME_SUDO_PASS -u root -- mono /usr/lib/AirVPN/AirVPN.exe path=/home/nanostuff/.airvpn root 6808 3.2 2.0 1257532 83032 ? Sl 17:13 0:12 mono /usr/lib/AirVPN/AirVPN.exe path=/home/nanostuff/.airvpn root 6832 0.0 0.0 22652 3336 ? S 17:14 0:00 /usr/sbin/openvpn --config /home/nanostuff/.airvpn/384ef91f85df5ea2abc88c7416b95bbdf2bc4299edd2850614d4e343ba721ae3.tmp.ovpn nanostuff 6951 0.0 0.0 18932 932 pts/2 S+ 17:20 0:00 grep --color=auto airvpn Additional info: OS: Ubuntu 14.04 64bits Application: It's a VPN client

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• Selectively Including files in C#.net web application [migrated]

  - by segnosaur

  I am attempting to modify an application with the following characteristics: Written in C#.net Using Visual Studio 2010 The application uses a Master sheet to maintain commonality The Master sheet has the following: <%@ Master Language="C#" AutoEventWireup="true" CodeFile="mysheet.master.cs" Inherits="master_mysheet" %> Now, currently, the master sheet has an include file that brings in a common footer: #include file="inc/my-footer.inc" Here's what I want to do: I would like to modify the master sheet to be able to read in a footer based on the value contained in a session variable... i.e. (not real code, but just something to give an idea of what I want) if session("x") = "a" then #include file="inc/my-footer1.inc" else #include file="inc/my-footer2.inc" My first instinct was to go with some vbscript: <script type="text/vbscript" language="vbscript"> document.write("vbscript example.") </script> However, it doesn't run the vbscript code automatically on page load. Does anyone know: - The syntax I need to actually get this to work? i.e. to get the vbscript to run automatically on page load, AND to do the page include? - Or, is there a better way to go about this? (perhaps by doing some coding in C#) Note: I am experienced in C#; however, I haven't done any vbscript since the days of ASP classic, so my knowledge there is out of date.

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• Pinning a Java application to the Windows 7 taskbar

  - by Paul Lammertsma

  Original question I use Launch4j as a wrapper for my Java application under Windows 7, which, to my understanding, in essence forks an instance of javaw.exe that in turn interprets the Java code. As a result, when attempting to pin my application to the task bar, Windows instead pins javaw.exe. Without the required command line, my application will then not run. As you can see, Windows also does not realize that Java is the host application: the application itself is described as "Java(TM) Platform SE binary". I have tried altering the registry key HKEY_CLASSES_ROOT\Applications\javaw.exe to add the value IsHostApp. This alters the behavior by disabling pinning of my application altogether; clearly not what I want. After reading about how Windows interprets instances of a single application (and a phenomenon discussed in this question), I became interested in embedding a Application User Model ID (AppUserModelID) into my Java application. I believe that I can resolve this by passing a unique AppUserModelID to Windows. There is a shell32 method for this, SetAppID(). (Or SetCurrentProcessExplicitAppUserModelID?) Is it possible to call it via JNI? If so, would this even resolve the issue? On a side note, I was curious if any of the APIs discussed in this article could be implemented for a Java application. Edit after implementing JNA, as Gregory Pakosz suggested I've now implemented the following in an attempt to have my application recognized as a separate instance of javaw.exe: NativeLibrary lib; try { lib = NativeLibrary.getInstance("shell32"); } catch (Error e) { Logger.out.error("Could not load Shell32 library."); return; } Object[] args = { "Vendor.MyJavaApplication" }; String functionName = "SetCurrentProcessExplicitAppUserModelID"; try { Function function = lib.getFunction(functionName); int ret = function.invokeInt(args); if (ret != 0) { Logger.out.error(function.getName() + " returned error code " + ret + "."); } } catch (UnsatisfiedLinkError e) { Logger.out.error(functionName + " was not found in " + lib.getFile().getName() + "."); // Function not supported } This appears to have no effect, but the function returns without error. Diagnosing why is something of a mystery to me. Any suggestions? Working implementation The final implementation that worked is the answer to my follow-up question concerning how to pass the AppID using JNA. I had awarded the bounty to Gregory Pakosz' brilliant answer for JNI that set me on the right track.

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• System architecture: simple approach for setting up background tasks behind a web application -- wil

  - by Tim Molendijk

  I have a Django web application and I have some tasks that should operate (or actually: be initiated) on the background. The application is deployed as follows: apache2-mpm-worker; mod_wsgi in daemon mode (1 process, 15 threads). The background tasks have the following characteristics: they need to operate in a regular interval (every 5 minutes or so); they require the application context (i.e. the application packages need to be available in memory); they do not need any input other than database access, in order to perform some not-so-heavy tasks such as sending out e-mail and updating the state of the database. Now I was thinking that the most simple approach to this problem would be simply to piggyback on the existing application process (as spawned by mod_wsgi). By implementing the task as part of the application and providing an HTTP interface for it, I would prevent the overhead of another process that is holding all of the application into memory. A simple cronjob can be setup that sends a request to this HTTP interface every 5 minutes and that would be it. Since the application process provides 15 threads and the tasks are quite lightweight and only running every 5 minutes, I figure they would not be hindering the performance of the web application's user-facing operations. Yet... I have done some online research and I have seen nobody advocating this approach. Many articles suggest a significantly more complex approach based on a full-blown messaging component (such as Celery, which uses RabbitMQ). Although that's sexy, it sounds like overkill to me. Some articles suggest setting up a cronjob that executes a script which performs the tasks. But that doesn't feel very attractive either, as it results in creating a new process that loads the entire application into memory, performs some tiny task, and destroys the process again. And this is repeated every 5 minutes. Does not sound like an elegant solution. So, I'm looking for some feedback on my suggested approach as described in the paragraph before the preceeding paragraph. Is my reasoning correct? Am I overlooking (potential) problems? What about my assumption that application's performance will not be impeded?

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• Rapidly Deploy Oracle Applications with Oracle VM Templates

  - by monica.kumar

  Oracle today announced Oracle VM Templates for a number of Oracle Applications including Oracle E-Business Suite 12.1 Oracle's JD Edwards Enterprise One 9.0 Oracle's PeopleSoft 9.1 These Oracle VM Templates, based on Oracle Enterprise Linux, provide pre-installed and pre-configured enterprise software images that help eliminate the need to install new software from scratch, offering customers a time-saving approach to deploying a fully configured software stack. Learn more about Oracle VM Templates

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• How to share a folder using the Ubuntu One Web API

  - by Mario César

  I have successfully implement OAuth Authorization with Ubuntu One in Django, Here are my views and models: https://gist.github.com/mariocesar/7102729 Right now, I can use the file_storage ubuntu api, for example the following, will ask if Path exists, then create the directory, and then get the information on the created path to probe is created. >>> user.oauth_access_token.get_file_storage(volume='/~/Ubuntu One', path='/Websites/') <Response [404]> >>> user.oauth_access_token.put_file_storage(volume='/~/Ubuntu One', path='/Websites/', data={"kind": "directory"}) <Response [200]> >>> user.oauth_access_token.get_file_storage(volume='/~/Ubuntu One', path='/Websites/').json() {u'content_path': u'/content/~/Ubuntu One/Websites', u'generation': 10784, u'generation_created': 10784, u'has_children': False, u'is_live': True, u'key': u'MOQgjSieTb2Wrr5ziRbNtA', u'kind': u'directory', u'parent_path': u'/~/Ubuntu One', u'path': u'/Websites', u'resource_path': u'/~/Ubuntu One/Websites', u'volume_path': u'/volumes/~/Ubuntu One', u'when_changed': u'2013-10-22T15:34:04Z', u'when_created': u'2013-10-22T15:34:04Z'} So it works, it's great I'm happy about that. But I can't share a folder. My question is? How can I share a folder using the api? I found no web api to do this, the Ubuntu One SyncDaemon tool is the only mention on solving this https://one.ubuntu.com/developer/files/store_files/syncdaemontool#ubuntuone.platform.tools.SyncDaemonTool.offer_share But I'm reluctant to maintain a DBUS and a daemon in my server for every Ubuntu One connection I have authorization for. Any one have an idea how can I using a web API to programmatically share a folder? even better using the OAuth authorization tokens that I already have.

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• Stopping by the Store

  - by [email protected]

  Registrants Get Online Savings on Oracle Products Have you heard about the Oracle Store? It's the one-stop online shop for buying Oracle software and support at significant savings. Better yet, when you register for Oracle OpenWorld 2010 by April 30, you can get an additional 10% off your next purchase. The 10% discount applies to a one-time "click and buy" checkout, so load up as many items as you can. To get started, you'll need to visit the Oracle OpenWorld registration page to get more information about the promotion, including the promo code and link. It's another great way to turn your early bird registration into a long-term gain for your organization.

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• Software Architecture and Software Architecture Evaluation

  How many of us have worked at places where the concept of software architecture was ridiculed for wasting time and money? Even more ridiculous to them was the concept of evaluating software architecture. I think the next time that I am in this situation again, and I hope that I never am I will have to push for this methodology in the software development life cycle. I have spent way too many hours/days/months/years working poorly architected systems or systems that were just built ADHOC. This in software development must stop. I can understand why systems get like this due to overzealous sales staff, demanding management that wants everything yesterday, and project managers asking if things are done yet before the project has even started. But seriously, some time must be spent designing the applications that we write along with evaluating the architecture so that it will integrate will within the existing systems of an origination. If placed in this situation again, I will strive to gain buying from key players within the business, for example: Senior Software Engineers\Developers, Software Architects, Project Managers, Software Quality Assurance, Technical Services, Operations, and Finance in order for this idea to succeed with upper management. In order to convince these key players I will have to show them the benefits of architecture and even more benefits of evaluating software architecture on a system wide level. Benefits of Software Architecture Evaluation Places Stakeholders in the Same Room to Communicate Ensures Delivery of Detailed Quality Goals Prioritizes Conflicting Goals Requires Clear Explication Improves the Quality of Documentation Discovers Opportunities for Cross-Project Reuse Improves Architecture Practices Once I had key player buy in then and only then would I approach upper management about my plan regarding implementing the concept of software architecture and using evaluation to ensure that the software being designed is the proper architecture for the project. In addition to the benefits listed above I would also show upper management how much time is being wasted by not doing these evaluations. For example, if project X cost us Y amount, then why do we have several implementations in various forms of X and how much money and time could we have saved if we just reused the existing code base to give each system the same functionality that was already created? After this, I would mention what would happen if we had 50 instances of this situation? Then I would show them how the software architecture evaluation process would have prevented this and that the optimization could have leveraged its existing code base to increase the speed and quality of its development. References:Carnegie Mellon Software Engineering Institute (2011). Architecture Tradeoff Analysis Method from http://www.sei.cmu.edu/architecture/tools/evaluate/atam.cfm

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• Installation procedure RAC One Node

  - by rene.kundersma

  Okay, In order to test RAC One Node, on my Oracle VM Laptop, I just: - installed Oracle VM 2.2 - Created two OEL 5.3 images The two images are fully prepared for Oracle 11gr2 Grid Infrastructure and 11gr2 RAC including four shared disks for ASM and private nics. After installation of the Oracle 11gr2 Grid Infrastructure and a "software only installation" of 11gr2 RAC, I installed patch 9004119 as you can see with the opatch lsinv output: This patch has the scripts required to administer RAC One Node, you will see them later. At the moment we have them available for Linux and Solaris. After installation of the patch, I created a RAC database with an instance on one node. Please note that the "Global Database Name" has to be the same as the SID prefix and should be less then or equal to 8 characters: When the database creation is done, first I create a service. This is because RAC One Node needs to be "initialized" each time you add a service: The service configuration details are: After creating the service, a script called raconeinit needs to run from $RDBMS_HOME/bin. This is a script supplied by the patch. I can imagine the next major patch set of 11gr2 has this scripts available by default. The script will configure the database to run on other nodes: After initialization, when you would run raconeinit again, you would see: So, now the configuration is ready and we are ready to run 'Omotion' and move the service around from one node to the other (yes, vm competitor: this is service is available during the migration, nice right ?) . Omotion is started by running Omotion. With Omotion -v you get verbose output: So, during the migration you will see the two instance active: And, after the migration, there is only one instance left on the new node:

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• Troubleshooting Wiki for the Siebel Plug-in

  - by Kenneth E.

  There are a number of initiatives underway to provide better troubleshooting tools and diagnostics for the Siebel Plug-in.  We'll make sure that we announce those as soon as they are available.In the meantime, I wanted to make everyone aware of an existing Wiki that provides troubleshooting tips/techniques, as well as a list of common issues.  Unfortunately, this Wiki is only accessbile to internal Oracle employees.  The wiki is located here.In addition to the troubleshooting information, one of the more valuable aspects of the Wiki is a listing of the latest requried patches for the Siebel Plug-in.  This list is maintained by our Engineering staff, and reflects the latest information on required patches for all current releases (i.e., 12c, 11g, and 10.2.0.5).  The list of patches can be accessed here.

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• Oracle-AmberPoint Webcast: Learn How Your Business Can Profit from the Combination

  - by jyothi.swaroop

  With the recent acquisition of AmberPoint, Oracle now offers an enhanced end-to-end SOA solution that features runtime governance, business transaction management, and cross-platform management capabilities. Put that solution to work and your business can achieve lower costs of implementation and higher profit. Join Ed Horst, Vice President, Oracle (former CMO of AmberPoint), and Ashish Mohindroo, Senior Director, Product Marketing, Oracle, as they discuss in this live Webcast the customer advantages of the Oracle and AmberPoint combination. Learn how our SOA solutions with AmberPoint capabilities can help you: Achieve more agility and visibility into your business processes Increase control and performance of critical applications Improve performance and reduce IT costs to benefit your bottom line Register for the Live Webcast Event Date: Thursday, May 20, 2010 Time: 10 a.m. PT/1 p.m. ET

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• Quickly, syntax error: media_grid.show()

  - by Alex

  i run the app and get this error. the little arrow points to the 'd', dont know what that means. plus i had the same error just before but on this line: from quickly.widgets.dictionary grid import DictionaryGrid the arrow pointed to the 'd' in grid as well. then i changed it to this: from quickly.widgets.dictionary_grid import DictionaryGrid i added a '_' in the middle. and now i have the syntax error in the question. Thanks for any help that is given! Traceback (most recent call last): File "bin/simple-player", line 32, in <module> import simple_player File "/home/alex/simple-player/simple_player/__init__.py", line 14, in <module> from simple_player import SimplePlayerWindow File "/home/alex/simple-player/simple_player/SimplePlayerWindow.py", line 51 media_grid.show() ^ SyntaxError: invalid syntax

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• How can I check if Python´s ConfigParser has a section or not?

  - by Voidcode

  How can I check if the ConfigParser mainfile has a section or not, And if it don´t then add a new section to it? I am trying with this code: import ConfigParser config = ConfigParser.ConfigParser() #if the config file don´t has the section 'globel', then add it to the config-file if not config.has_section("globel"): config.add_section("globel") config.set("globel", "settings", "someting") config.write(open("/tmp/myfile.conf", "w")) print "The new sestion globel is now added!!" #else just return the the value of globle->settings else: config.read("/tmp/myfile.conf") print "else... globle->settings == "+config.get("globel", "settings")

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• Convertion of tiff image in Python script - OCR using tesseract

  - by PYTHON TEAM

  I want to convert a tiff image file to text document. My code perfectly as I expected to convert tiff images with usual font but its not working for french script font . My tiff image file contains text. The font of text is in french script format.I here is my code import Image import subprocess import util import errors tesseract_exe_name = 'tesseract' # Name of executable to be called at command line scratch_image_name = "temp.bmp" # This file must be .bmp or other Tesseract-compatible format scratch_text_name_root = "temp" # Leave out the .txt extension cleanup_scratch_flag = True # Temporary files cleaned up after OCR operation def call_tesseract(input_filename, output_filename): """Calls external tesseract.exe on input file (restrictions on types), outputting output_filename+'txt'""" args = [tesseract_exe_name, input_filename, output_filename] proc = subprocess.Popen(args) retcode = proc.wait() if retcode!=0: errors.check_for_errors() def image_to_string(im, cleanup = cleanup_scratch_flag): """Converts im to file, applies tesseract, and fetches resulting text. If cleanup=True, delete scratch files after operation.""" try: util.image_to_scratch(im, scratch_image_name) call_tesseract(scratch_image_name, scratch_text_name_root) text = util.retrieve_text(scratch_text_name_root) finally: if cleanup: util.perform_cleanup(scratch_image_name, scratch_text_name_root) return text def image_file_to_string(filename, cleanup = cleanup_scratch_flag, graceful_errors=True): If cleanup=True, delete scratch files after operation.""" try: try: call_tesseract(filename, scratch_text_name_root) text = util.retrieve_text(scratch_text_name_root) except errors.Tesser_General_Exception: if graceful_errors: im = Image.open(filename) text = image_to_string(im, cleanup) else: raise finally: if cleanup: util.perform_cleanup(scratch_image_name, scratch_text_name_root) return text if __name__=='__main__': im = Image.open("/home/oomsys/phototest.tif") text = image_to_string(im) print text try: text = image_file_to_string('fnord.tif', graceful_errors=False) except errors.Tesser_General_Exception, value: print "fnord.tif is incompatible filetype. Try graceful_errors=True" print value text = image_file_to_string('fnord.tif', graceful_errors=True) print "fnord.tif contents:", text text = image_file_to_string('fonts_test.png', graceful_errors=True) print text

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• Introducing Visual WebGui's XAML programming model extension for web developers

  - by Visual WebGui

  While ASP.NET provides an event base approach it is completely dismissed when working with AJAX and the richness of the server is lost and replaced with JavaScript programming and couple with a very high security risk. Visual WebGui reinstates the power of the server to AJAX development and provides a statefull yet scalable, server centric architecture that provides the benefits and user productivity of AJAX with the security and developer productivity we had before AJAX stormed into our lives. When...(read more)

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• New Year's Resolution: Highest Availability at the Lowest Cost

  - by margaret.hamburger(at)oracle.com

  Don't miss this Webcast: Achieve 24/7 Cloud Availability Without Expensive Redundancy Event Date: 01/11/2011 10:00 AM Pacific Standard Time You'll learn how Oracle's Maximum Availability Architecture and Oracle Database 11g help you: Achieve the highest availability at the lowest cost Protect your systems from unplanned downtime Eliminate idle redundancy Register Now! var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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• Why does XFBML work everywhere but in Chrome?

  - by Andrei

  I try to add simple Like button to my Facebook Canvas app (iframe). The button (and all other XFBML elements) works in Safari, Firefox, Opera, but in Google Chrome. How can I find the problem? EDIT1: This is ERB-layout in my Rails app <html xmlns:fb='http://www.facebook.com/2008/fbml' xmlns='http://www.w3.org/1999/xhtml'> ... <body> ... <div id="fb-root"></div> <script> window.fbAsyncInit = function() { FB.init({ appId: '<%= @app_id %>', status: true, cookie: true, xfbml: true }); FB.XFBML.parse(); }; (function() { var e = document.createElement('script'); e.async = true; e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js#appId=<%=@app_id%>&amp;amp;xfbml=1'; document.getElementById('fb-root').appendChild(e); }()); FB.XFBML.parse(); </script> <fb:like></fb:like> ... JS error message in Chrome inspector: Uncaught ReferenceError: FB is not defined (anonymous function) Uncaught TypeError: Cannot call method 'appendChild' of null window (anonymous function) Probably similar to http://forum.developers.facebook.net/viewtopic.php?id=84684

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• Facebook PHP SDK and Wordpress Error

  - by Gecko

  I have a developer environment setup with WAMP, Wordpress, and PHPEdit IDE. I use the Facebook, Twitter, and YouTube API's in a sidebar. I'm using Facebook's PHP SDK to display information(no login or admin functions). Since the FB SDK and WP use session_start() I get the following warning: Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\wamp\www\dfi\wp-content\themes\DFI\header.php:12) in C:\wamp\www\dfi\wp-content\themes\DFI\api\facebook.php on line 36 I'm trying to figure this out by using the warning output but it doesn't help considering the following. I know about clearing white space and characters before and after <?php ?> and placing session_start() before any http output. I use unix line enders and UTF8 encoding without BOM. My host server is not set up for output_buffering. header.php line 11 to 13 11 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 12 <html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes();?>> 13 <head> It looks like the warning comes from inline php code. I don't know what I can do to fix this line. facebook.php line 34 to 37 34 public function __construct($config) { 35 if (!session_id()) { 36 session_start(); 37 } I don't think I can stop either FB or WP from calling session_start() without breaking everything. How do I make Wordpress and Facebook play nicely together without this error?

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• Can't build gcc anymore since upgrade to 11.10

  - by Raphael R.

  On Monday I've upgraded to from Ubuntu 11.04 (my initial installation) to 11.10 and now I can't build gcc from source anymore. Since I forgot to uninstall the gcc package before the upgrade, Ubuntu replaced my 4.7.0 compiler with it's stable 4.6.1. So I tried to build the SVN sources again, but it fails. I've most recently tried it with SVN revision 180193. After some time, the build fails with the following message: /home/raphael/devel/gcc/build/./gcc/xgcc -B/home/raphael/devel/gcc/build/./gcc/ -B/usr/i686-pc-linux-gnu/bin/ -B/usr/i686-pc-linux-gnu/lib/ -isystem /usr/i686-pc-linux-gnu/include -isystem /usr/i686-pc-linux-gnu/sys-include -g -O2 -O2 -I. -I. -I../../src/gcc -I../../src/gcc/. -I../../src/gcc/../include -I../../src/gcc/../libdecnumber -I../../src/gcc/../libdecnumber/bid -I../libdecnumber -I../../src/gcc/../libgcc -g -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -I. -I. -I../.././gcc -I../../../src/libgcc -I../../../src/libgcc/. -I../../../src/libgcc/../gcc -I../../../src/libgcc/../include -I../../../src/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS -DUSE_TLS -o _ashldi3.o -MT _ashldi3.o -MD -MP -MF _ashldi3.dep -DL_ashldi3 -c ../../../src/libgcc/../gcc/libgcc2.c \ -fvisibility=hidden -DHIDE_EXPORTS In file included from /usr/include/stdio.h:28:0, from ../../../src/libgcc/../gcc/tsystem.h:88, from ../../../src/libgcc/../gcc/libgcc2.c:29: /usr/include/features.h:323:26: fatal error: bits/predefs.h: File or directory not found. I've cofigured it with: ~/devel/gcc/build$ ../src/configure --prefix=/usr --enable-languages=c++ And make it with: ~/devel/gcc/build$ make -j4 Just to be sure, I did a rm -rf * in the build directory in case there's some broken stuff inside. Didn't help, though. That's the backstory. I tried to fix it and searched for the bits/predefs.h. It's inside /usr/include/i386-linux-gnu. I temporarily fixed the problem by doing ~/devel/gcc/build$ C_INCLUDE_PATH=/usr/include/i386-linux-gnu make -j4 Which is only temporary because now gcc complains that it can't find crti.o. Which i can find in /usr/lib/i386-linux-gnu. Now i could also set C_LIBRARY_PATH - actually it doesn't work - but I feel like I'm fighting the system here. Also, even if it succeeds, my newly built compiler would also not know about the i386-linux-gnu stuff. So I would have to set C_LIBRARY_PATH and C_INCLUDE_PATH before every build of every project I have. I could add it to my .bashrc but that subverts the system even more. So, how do I tell the build process: That there are additional include/lib directories, and That it should build a gcc which respects them too? Edit: I forgot to include the command which causes the above error message. Also I can think of another solution: Copy the stuff from /usr/include/i386-linux-gnu to /usr/include (same thing for /usr/lib/i386-linux-gnu to /usr/lib). But that doesn't feel right, either. Finally, the system's gcc 4.6.1 can compile other applications just fine, except mine, which use C++11 features not present in the 4.6 series.

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• Seattle GiveCamp this Weekend

  - by Stephen.Walther

  Seattle GiveCamp is this weekend (October 19, 2012) on the Microsoft Campus. Donate your time and your programming skills to build software applications (mainly websites) for charities. We need you! Go to the following address and sign up to participate right now: http://seattlegivecamp.com/ We have more than 20 charities participating in this year’s GiveCamp and over 100 volunteers. We need people with all sorts of skills including WordPress, design, ASP.NET, SEO, Mobile, and Project Management skills. If you know how to tweak a WordPress theme or you know how to use Adobe Photoshop or you know Salesforce or Microsoft Access then we really, really need you this weekend. This is a great event to network with other developers, show off your ninja programming skills, and help some great charities. Be prepared to show up at Friday night and start working in a team to write some great code. You can stay until Sunday night for the full event or you can leave early (in previous events, some developers did marathon coding sessions for multiple days straight – but those guys are insane). My wife, Ruth Walther, is the director of this year’s GiveCamp. She’ll be there and I’ll be there. I hope to see you at GiveCamp!

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• Technologies similar to Flash and Silverlight for Desktop apps

  - by M.A. Hanin

  Long story short: we use Flash as a partial GUI in our .NET desktop applications. Normally, this means that the Flash player control sits in some WinForm, playing a movie file. Changes in the real world are presented in the movie (e.g., a light-bulb turned on in the real world? a matching one will light up inside the Flash movie), and interaction with the instances in the movie will affect the real world (clicked the light-bulb? the light bulb in the real world will turn on). My question is: which technologies / products can offer me similar capabilities? Of course, I'm looking for something that can compete with Flash / Silverlight: animations, object-oriented scripting and design, powerful tools allowing the artists to design symbols conveniently, etc... static image objects won't cut it

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• how to package a unity lens app

  - by Asim

  i'm new to ubuntu apps and launchpad. I've created a unity lenses app using quickly but i'm stuck on how to deploy it, i have two questions. I can create a deb file using quickly package but when i install it, i still need to manually restart unity and run the project using 'quickly run'. how can i get the package manager to do that on install so users can start using the lens straight away? I'm confused as to what i need to do to make my project be installed using a ppa. i've pushed my code to launchpad using bzr, i've created a ppa, openpgp key, ssh etc. i don't know what to do next? Any help would be appreciated. My project in launchpad is unity-lens-php Thanks

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