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  • Allow opening a new tab with Ctrl+T on all websites in Firefox

    - by Martin J.H.
    In Firefox, certain websites and plugins (Adobe PDF Plugin) appear to "capture" the Control key, so that when I try to open a new tab using "Ctrl+t", nothing happens - or worse, something unexpected happens. Examples: On the Codecademy site, while editing code, Ctrl+T either does nothing, or (when Flash is disabled) switches the position of the two characters next to the cursor. When viewing PDF's with the Adobe PDF Plugin, Ctrl+T does nothing. Is there a way to disable this "feature"? I would like "Ctrl+t" to always "talk" to Firefox! Edit: After searching superuser deeper, this question is very similar to the questions: "How to prevent keystroke grabbing/hijacking by websites in Firefox?" "How do I prevent pages I visit from overriding selected Firefox shortcut keys?". The answers to these questions are interesting and relevant, but do not give a method on how to disable combinatinos such as "Ctrl+t". Maybe a modified Greasemonkey script is the easiest solultion. Edit 2 - Attempt at a solution The following UserScript (Use GreaseMonkey to install it) successfully captures Ctrl+t on some sites (Google Search site, for instance - PopUp "Gotcha" appears), but not on the Codecademy site. I found another question pertaining to this subject here: "How to forbid keyboard shortcut stealing by websites in Firefox". It was raised in 2010, and the consensus was: It can't be done. // ==UserScript== // @name Disable Ctrl T interceptions // @description Stop websites from highjacking keyboard shortcuts // // @run-at document-start // @include * // @grant none // ==/UserScript== // Keycode for 't'. Add more to disable other ctrl+X interceptions keycodes = [84]; var lastPressedButton = [0]; document.addEventListener('keydown', function(e) { //uncomment to find out the keycode for any given key // alert(e.keyCode ); if (keycodes.indexOf(e.keyCode) != -1 && e.ctrlKey) { e.cancelBubble = true; e.stopImmediatePropagation(); alert("Gotcha!"); } return false; });

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  • How can I copy this quote from PDF?

    - by isme
    I'm reading a PDF copy of Jerome H. Friedman's paper "Data Mining and Statistics: What's the Connection?" using Google Chrome and the Adobe Reader plugin. It contains an amusing quote that I want to copy and paste to my blog. I used the mouse to select the text of the quote and pressed CTRL + C to copy the text. The document looks like this: When I paste the text into Notepad, Stack Overflow, or anywhere else, the product is Wingdings-like gibberish: ????????????????????????|?????????|????? ?????|??????????????????????????????????????????????????|?????????????? ??????????????P????? ?????????????????????P?|?????????|?????????????????????????????????????????????????????? ????????????Þ?????????????????????????????????|???|??????????????????????????? The text should instead look like this: A difference between statisticians and computer scientists in this field seems to be that when a statistician has an idea he or she writes a paper; a computer scientist starts a company. I had to type that text out manually. This is feasible for such a small quote, but how do I actually copy what I see? Is it something unusual about the PDF, the browser, the plugin, or some combiniation of the three?

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  • Winamp playing sound but no video

    - by Greg Sansom
    I am having problems playing video in Winamp (the movie I am trying to play is an AVI - not sure if other formats work). I have installed the K-Lite Codec Pack, and the video does work in Winamp Classic. I can also play the video in Winamp on another machine (although I can't remember the exact configuration details of that machine - and I don't think they're relevant). There are a few symptoms: The content of the Video view is either empty, transparent, or displays rendering from other programs. Opening the Visualization view shows the following error: MILKDROP ERROR DirectX initialization failed (GetDeviceCaps). This means that no valid 3D-accelerated display adapter could be found on your computer. If you know this is not the case, it is possible that your graphics subsystem is unstable; please try rebooting your computer and then try to run the plugin again. Otherwise, please install a 3D-accelerated display adapter. Trying to open streams via the SHOUTCast TV plugin shows Error opening video output, and the video does not open. Opening the file with WMC causes the following error (although the movie still plays): Error creating DX9 allocation presenter CreateDevice failed D3DERR_NOTAVAILABLE There are no warnings displayed in Device Manager, although the display adapter is the standard Windows one. Running DxDiag shows no problems (codec for Video listed as XviD 1.1.2 Final). GSpot reports that codecs are installed. System specs: - Windows Server 2008 r2 Standard 64-bit, with latest updates; - .NET 3.5.1 installed; - Winamp v5.6.01 (latest version); - DirectX 11 (Latest version); - K-Lite Codec Pack 7.0.0 (Full); - Machine is HP DC7600 - full specs here. Please comment if there is any more information which will help to diagnose the problem.

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  • Keep permalinks in Wordpress

    - by Remus Rigo
    Is there any way to set my permalinks to keep their exact link. If I have a post like this one http://blog.rigo.ro/?p=11, then I would like that every time I edit the post to keep this link. I have installed the Revision Control plugin and I set it to do not keep revisions. Any ideea how to do this? I want to keep this format of links. Edit: I took a look again, the permalinks keep their links, but every time I edit it adds a new version to the database and the next post will have a higher number. If I edit my current post for 3 times (blog.rigo.ro/?p=11) the next post will be blog.rigo.ro/?p=14. Now, my question is how can I keep all my post and edits clean, one post/more edits = one entry in the database, so if I have. 10 post on my site and I edit them, I would like that my permalinks to be from 1 to 10. PS: I don't want to edit my database manually, is there any plugin to do this?

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  • Updating and deleting java (red hat / centos) (new)

    - by JochemTheSchoolKid
    I am a total noob with linux. So please explain clearly if you have a solution for me. I have an VPS and I want to update JAVA. I found a guide on the Java site which says: rpm -e < package_name I searched for the packages: [root@srv1 ~]# rpm -qa | grep java java_cup-0.10k-5.el6.x86_64 java-1.5.0-gcj-1.5.0.0-29.1.el6.x86_64 Than I tried to do the delete command [root@srv1 ~]# rpm -e java-1.5.0-gcj-1.5.0.0-29.1.el6.x86_64 error: Failed dependencies: java-gcj-compat is needed by (installed) java_cup-1:0.10k-5.el6.x86_64 java-gcj-compat >= 1.0.70 is needed by (installed) sinjdoc-0.5-9.1.el6.x86_64 What should I do now? Removing has worked thanks to the answer below Problem two! Now am I installing this package from java [root@srv1 java]# rpm -ivh jre-7u9-linux-i586.rpm Preparing... ########################################### [100%] 1:jre ########################################### [100%] Unpacking JAR files... rt.jar... Error: Could not open input file: /usr/java/jre1.7.0_09/lib/rt.pack jsse.jar... Error: Could not open input file: /usr/java/jre1.7.0_09/lib/jsse.pack charsets.jar... Error: Could not open input file: /usr/java/jre1.7.0_09/lib/charsets.pack localedata.jar... Error: Could not open input file: /usr/java/jre1.7.0_09/lib/ext/localedata.pack plugin.jar... Error: Could not open input file: /usr/java/jre1.7.0_09/lib/plugin.pack javaws.jar... Error: Could not open input file: /usr/java/jre1.7.0_09/lib/javaws.pack deploy.jar... Error: Could not open input file: /usr/java/jre1.7.0_09/lib/deploy.pack Can someone help me again with this?

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  • Applying ACLs to a Dovecot public namespace

    - by larsks
    I have a public namespace define in my dovecot (dovecot-2.0.9) configuration that looks like this: namespace { type = public separator = . prefix = news. location = maildir:/var/spool/news subscriptions = no } I would like to make all the mailboxes in this namespace read-only. I've got the following configuration for the ACL plugin: plugin { acl = vfile:/etc/dovecot/acls:cache_secs=300 } After perusing the documentation, it seemed as if I had a mailfolder /var/spool/news/.foo.bar that I could place the following into /var/spool/news/.foo.bar/dovecot-acl: anyone rl But that doesn't have any affect. I also tried creating a file /usr/local/etc/dovecot/acls/news.foo.bar with the same contents, but that didn't do anything, either. I've turned on mail debugging: mail_debug = yes But the log doesn't produce anything that appears to be relevant to ACL processing. I'm curious to know if anyone has gotten this to work correctly and if so if you could provide some configuration examples. Also, if there's any way to do this that doesn't involve per-mailbox configuration (.e.g, the ability to apply an ACL to news.* or something), that would be awesome. Getting the documented behavior for default ACLs working would be a step in the right direction.

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  • Using udev to create a character device based on a driver being loaded

    - by SteveCB
    I'm in the process of setting up RAID monitoring for a number of Dell servers that use the PERC 6i integrated card. We're using Nagios at present and the check_megasasctl plugin seems to fit the bill. However, the plugin relies upon the existence of: /dev/megaraid_sas_ioctl_node This device node doesn't exist by default, you have to create it by hand using something like: mknod /dev/megaraid_sas_ioctl_node c 253 0 Now, to make the existence of this device node persistent across reboots, I thought I could write a udev rule, but as usual, I'm missing something. I thought I could create a file such as /etc/udev/rules.d/10-local/rules that contained: DRIVER=="megasas" NAME="megaraid_sas_ioctl_node" MODE="0600" But this doesn't work - no device node after a reboot. Dmesg output indicates the megasas driver is loaded and functional: megasas: 00.00.04.01-RH1 Thu July 10 09:41:51 PST 2008 megasas: 0x1000:0x0060:0x1028:0x1f0c: bus 1:slot 0:func 0 megasas: FW now in Ready state Further, I don't see any means to instruct udev on which type of device node to create: character or block. I suspect I'm failing to understand exactly how udev is meant to work. I realise I could just cheat and run MegaCLI in /etc/rc.local, redirecting output to /dev/null; it creates the megaraid_sas_ioctl_node device node as part of its execution. I just thought using udev rules would be a) cleaner and b) a useful learning exercise. Perhaps I should just dump the above mknod command in /etc/rc.local... So how do I get udev to create the /dev/megaraid_sas_ioctl_node device node based on the presence of the megasas driver? Cheers Steve

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  • Issue with InnoDB engine while enabling and [ skip-innodb ]

    - by Ahn
    How to enable InnoDB, which was previously disabled with skip-innodb option. Case 1: Disabled the innodb with skip-innodb option and show engines givens as below. Engine | Support ... | InnoDB | NO ...... Case 2: As I want to enable the innodb, I commanded the #skip-innodb option and restarted. But now the show engines even not showing the InnoDB engine in the list. ? Mysql Version : 5.1.57-community-log OS : CentOS release 5.7 (Final) Log: 120622 13:06:36 InnoDB: Initializing buffer pool, size = 8.0M 120622 13:06:36 InnoDB: Completed initialization of buffer pool InnoDB: No valid checkpoint found. InnoDB: If this error appears when you are creating an InnoDB database, InnoDB: the problem may be that during an earlier attempt you managed InnoDB: to create the InnoDB data files, but log file creation failed. InnoDB: If that is the case, please refer to InnoDB: http://dev.mysql.com/doc/refman/5.1/en/error-creating-innodb.html 120622 13:06:36 [ERROR] Plugin 'InnoDB' init function returned error. 120622 13:06:36 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 120622 13:06:36 [Note] Event Scheduler: Loaded 0 events 120622 13:06:36 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.1.57-community-log' socket: '/data/mysqlsnd/mysql.sock1' port: 3307 MySQL Community Server (GPL)

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  • Enable SSL with Jetty 8

    - by Jerec TheSith
    I received certificates from GoDaddy an I'm trying to enable SSL with Jetty but receive an error 107 SSL protocol error when connecting to https://server.com:8443 I generated the keystore using these commands : keytool -keystore keystore -import -alias gd_bundle -trustcacerts -file gd_bundle.crt keytool -keystore keystore -import -alias server.com -trustcacerts -file server.com.crt and placed it in /opt/jetty/etc/ And used the following configuration in jetty.xml : <Call name="addConnector"> <Arg> <New class="org.eclipse.jetty.server.ssl.SslSelectChannelConnector"> <Arg> <New class="org.eclipse.jetty.http.ssl.SslContextFactory"> <Set name="keyStore"><SystemProperty name="jetty.home" default="."/>/etc/keystore</Set> <Set name="keyStorePassword">**password1**</Set> <Set name="keyManagerPassword">**password1**</Set> <Set name="trustStore"><SystemProperty name="jetty.home" default="."/>/etc/keystore</Set> <Set name="trustStorePassword">**password1**</Set> </New> </Arg> <Set name="port">8443</Set> <Set name="maxIdleTime">30000</Set> <Set name="Acceptors">2</Set> <Set name="statsOn">false</Set> <Set name="lowResourcesConnections">20000</Set> <Set name="lowResourcesMaxIdleTime">5000</Set> </New> </Arg> </Call> Am I missing something in jetty's configuration ?

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  • Creating a Jenkins build farm in a hands-off manner?

    - by user183394
    My colleague and I have set up and run Jenkins on a KVM guest running Ubuntu 12.04 with good results for a while now. We are thinking about deploying a cluster of Jenkins CI hosts in master/slave configuration, with the libvirt slave plugin to keep our hardware count low. Our environment is strictly Linux (CentOS, Scientific Linux, Fedora, and Ubuntu). Both of us are competent in setting up large clusters. We typically use tools like cobbler + a configuration management tool (Puppet, Chef, and alike) to set up a large number of machines (physical and/or virtual) hands off (hundreds of nodes in less than an hour typical). We would like to do the same for nodes running Jenkins. But the step by step guide doesn't give us any clues in this regard. I did see a Multi-slave config plugin. But, being used to dealing with hundreds or more machines completely hands-off, clicking the UI for many machines just doesn't feel right. Can someone point to us a reference that talks about how to set up large cluster of Jenkins CI hosts more in the hands-off way?

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  • Howto setup neocomplcache?

    - by eddy
    I just started using vim and saw a cool plugin: [neocomplcache].(http://www.vim.org/scripts/script.php?script_id=2620) My Problem is, that I can't get it to work properly. After installing, I took the example config from the help files of neocomplcache and added the lines to my .vimrc At first I wanted to create a simple latex file (there are snippets for tex). After typing "begi" there appears a menu, I can choose between the snippets with TAB or <C-n>. But how do I get them to expand? <C-k> does not work, but I don't understand why. ======== .vimrc: ======== .... " Plugin key-mappings. imap <C-k> <Plug>(neocomplcache_snippets_expand) smap <C-k> <Plug>(neocomplcache_snippets_expand) inoremap <expr><C-g> neocomplcache#undo_completion() inoremap <expr><C-l> neocomplcache#complete_common_string() " Recommended key-mappings. " <CR>: close popup and save indent. inoremap <expr><CR> neocomplcache#smart_close_popup() ."\<CR>" " <TAB>: completion. inoremap <expr><TAB> pumvisible() ? "\<C-n>" : "\<TAB>" " <C-h>, <BS>: close popup and delete backword char. inoremap <expr><C-h> neocomplcache#smart_close_popup()."\<C-h>" inoremap <expr><BS> neocomplcache#smart_close_popup()."\<C-h>" inoremap <expr><C-y> neocomplcache#close_popup() inoremap <expr><C-e> neocomplcache#cancel_popup() ...

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  • Vim: How to Install Airline?

    - by MunkyCheez
    I'm just getting started with Vim. It's a fun experience, but I've found it to be kind of overwhelming. I'm trying to get this plugin installed, vim-airline, but I'm having a lot of trouble. The Installation section on the Github page simply states: copy all of the files into your ~/.vim directory Presumably, this means download the .zip, extract it, and copy all of those files into ~/.vim/. I did this, but Vim just starts up like normal, and running :help airline just gives: Sorry, no help for airline I assume that this means it isn't getting installed. Also, the statusbar remains the same. I'm new to Vim and would really like to get this working. Thanks in advance! EDIT: I also tried putting the files into /usr/share/vim/vim73/. No dice. EDIT 2: I ran :helptags ~/.vim/doc and now the help-page displays when I type :help airline, but I'm still not getting the plugin itself (the status bar). Vim looks the same, but it can now display the help page.

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  • Xubuntu stuck after login

    - by viraptor
    How can I debug an issue with Xubuntu 12.04 (fresh install) which just waits idle after a login for about 30 seconds? The login screen is delayed correctly. After login, I get my desktop background, but no panels or auto-starting apps. It doesn't seem to be an authentication/pam issue, because I can login without delay at the console while the graphical session is still stuck. There's no disk or cpu activity and no obvious respawning of any process when I look at htop. There's nothing obviously wrong in .xsession-errors. Most interesting errors: openConnection: connect: No such file or directory cannot connect to brltty at :0 WARNING: gnome-keyring:: couldn't connect to: /tmp/keyring-wFn4VR/pkcs11: No such file or directory ... (polkit-gnome-authentication-agent-1:2131): polkit-gnome-1-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The nam e org.gnome.SessionManager was not provided by any .service files ** Message: applet now removed from the notification area ** Message: using fallback from indicator to GtkStatusIcon ... (xfce4-indicator-plugin:2176): libindicator-WARNING **: IndicatorObject class does not have an accessible description. ... (xfce4-indicator-plugin:2176): Indicator-Application-WARNING **: Unable to get application list: Operation was cancelled Bootchart seems to end before I login, so it's not that helpful. Where else can I look for information?

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  • RabbitMQ Management console not working

    - by rrejc
    I have started with RabbitMQ. I have a (windows) machine on which I installed two RabbitMQ nodes as a service - I have choose the nodename, port and service name for each of them. The services are running normally (i see that they are listening in a netstat-a). I have also installed management plugin with "rabbitmq-plugins enable rabbitmq_management" and restarted both services. But the plugin isn't running - I dont see it listening in a netstat and I can't connect to the management console via browser. Any idea what could be wrong? Is there any log to see what is goind on? Updated: when I do rabbitmq-plugins list i get: c:\RabbitMq\sbin>rabbitmq-plugins list [e] amqp_client 3.0.1 [ ] cowboy 0.5.0-rmq3.0.1-git4b93c2d [ ] eldap 3.0.1-gite309de4 [e] mochiweb 2.3.1-rmq3.0.1-gitd541e9a [ ] rabbitmq_auth_backend_ldap 3.0.1 [ ] rabbitmq_auth_mechanism_ssl 3.0.1 [ ] rabbitmq_consistent_hash_exchange 3.0.1 [ ] rabbitmq_federation 3.0.1 [ ] rabbitmq_federation_management 3.0.1 [ ] rabbitmq_jsonrpc 3.0.1 [ ] rabbitmq_jsonrpc_channel 3.0.1 [ ] rabbitmq_jsonrpc_channel_examples 3.0.1 [E] rabbitmq_management 3.0.1 [e] rabbitmq_management_agent 3.0.1 [ ] rabbitmq_management_visualiser 3.0.1 [e] rabbitmq_mochiweb 3.0.1 [ ] rabbitmq_mqtt 3.0.1 [ ] rabbitmq_old_federation 3.0.1 [ ] rabbitmq_shovel 3.0.1 [ ] rabbitmq_shovel_management 3.0.1 [ ] rabbitmq_stomp 3.0.1 [ ] rabbitmq_tracing 3.0.1 [ ] rabbitmq_web_stomp 3.0.1 [ ] rabbitmq_web_stomp_examples 3.0.1 [ ] rfc4627_jsonrpc 3.0.1-git7ab174b [ ] sockjs 0.3.3-rmq3.0.1-git92d4ba4 [e] webmachine 1.9.1-rmq3.0.1-git52e62bc

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  • Can't reach server without proxy (website down from my home)

    - by user2128576
    I have a website hosted on Hostinger However I am experiencing problems with my wordpress site. This is really annoying. If I understood the situation right, The server is blocking me or denying access to my own website. When I visit the site with google chrome, it returns: Oops! Google Chrome could not find Same thing happens to firefox! Firefox can't find the server but when I do a check if my site is online and working through http://www.downforeveryoneorjustme.com/ it says that the site is working and up. Another thing, I access the website through a proxy, both on chrome and in firefox, and t works. Why is this? I have also recently installed the plugin Better Wp Security 5 days ago. Could the plugin have caused it? but I don't remember setting any IP's to be blocked. Also, this happens at random times, sometimes I can access it, sometimes it fails to reach the server. I am currently developing the site live. Was I blocked by the server for frequently refreshing the page? (duh, I'm a developer and I need to refresh to see changes.) or is this a problem with my ISP's DNS server? How can I resolve? and what are the possible fixes? Thanks in advance! -Jomar

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  • MySQL InnoDB/socket issue on Mac OS X 10.6.4

    - by user55217
    I have an ongoing issue on my Macbook Pro OS X 10.6.4. Intermittently, my MySQL install will not create a socket on startup. Rebooting sometimes, but not always, solves the problem. Deleting the ib* files in /usr/local/mysql/data and then restarting sometimes, but not always, solves the problem. My error logs tell me the following: Plugin InnoDB init function returned error Plugin InnoDB registration as a STORAGE ENGINE failed Can't start server: Bind on TCP/IP port: Address already in use Do you already have another mysqld server running on port: 3306? Aborting It then appears to attempt to start again and generates this error 20 - 30 times: Unable to lock ./ibdata1, error 35 Check that you do not already have another mysqld process using the same InnoDB data or log files Though the socket file is not created, I can connect to my MySQL db directly over localhost. Although, this does not help me from a PHP standpoint. Any thoughts on what I can do to resolve the issue or debug further? I'm at a loss as to where to go from here.

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  • Nginx and 1000 WordPress Installs - Optimization

    - by GTE
    Hey, I'm trying to create a rather unusual (imo) configuration where I have: nginx php-fastcgi mysql 1000 seperate WordPress installs (with WP Super Cache). Each WP install corresponds to a seperate subdomain. Furthermore, I have 1000 cron jobs being called every hour that in turn call a WP plugin (using wget) which retrieves data from an API and posts it to the respective blog. This is all being run on a virtual server with 1024MB of RAM, 4 shared processors, etc. The server is not doing well, especially during the times that the cron jobs are being executed. Nginx constantly throws 504 errors and the site has a significant lag. 1) Am I crazy for having 1000 individual WP installs? Should I be using WP-MU and will this help significantly? (I have certain plugin restrictions that I prefer having seperate installs but could switch if need be.) 2) Instead of having 1000 unique cron jobs - should be calling say a bash script that will then process the 1000 HTTP requests I need? Could this be done in a succesive order instead of a sequential one? 3) Any other kind of suggestion you may have for optimization? Should I be proxying to Apache instead of just using nginx, etc. Any kind of advice would be appreciated. Thanks in advance

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  • A Look Back at 2010 Predictions

    - by David Dorf
    Now is the time of year people make their predictions for next year, but before I start thinking about 2011 it's worth a look back to see how my predictions for 2010 fared. 1. Borders and Blockbuster bite the dust. I would have never predicted a strong brand such as Circuit City could die, but now I know it can happen to anyone. Borders has lost the battle with Barnes & Noble and Blockbuster has lost to Netflix. And just to be sure, Amazon put an extra nail in each coffin. Borders received additional investment from Bennett LeBow to keep it afloat, but the stock is down around $1.25 with no profits in sight. Blockbuster filed for bankruptcy back in September. 2. Every retailer finally has a page on Facebook... but very few figure out how to keep fans engaged. Retailer postings become noise, and fans start to unsubscribe. Twitter goes in the same direction. A few standout retailers will figure out how to use social media, and the rest will remain dumbfounded. Most retailers are on the Facebook bandwagon, and their fan bases seem to be increasing thanks to promotions like The Gap's logo redesign, Lowes' black Friday sneak peak, and Walmart's Crowd Savers. There are several examples of f-commerce advancements, including some interesting integrations from Amazon.3. Smartphones consolidate and grow. More and more people will step-up to smartphones, most of which will choose iPhone, Blackberry, and Android phones. Other smartphones will vanish, and networks will start to strain. But retailers will finally embrace mobile as the next big channel. Retail marketing departments will build mobile apps without the help of their IT department, and eventually they will get into a bind. Android has been on a tear lately stealing market share from Blackberry. Palm and Microsoft are trending down, and Apple is holding steady. Smartphone sales are up 15% and expected to continue. Retailers understand the importance of mobile, and some innovative applications have been produced this year. 4. Google helps the little guys. Google will push its Favorite Places project to help give exposure to small retailers and restaurants. They will enable small retailers to act like big ones by providing storefronts, detailed product information, and coupons for consumers. Google will find a way to bring augmented reality to the masses. I can't say I've seen much new from Google regarding Favorite Places, but they've continued to push local product search. From the PC or smartphone, consumers can search for products and see which nearby stores have it stock. Oracle Retail even productized an integration to Google to support this effort. I suppose if Google ever buys Groupon then it will bring them even closer to local shopping. Google talked about augmented humanity, but that has nothing to do with augmented reality. 5. Steve Jobs Is Bugs Bunny and Steve Ballmer is Elmer Fudd. (OK, I stole that headline from an InformationWeek article. I couldn't resist.) Both Apple and Microsoft will continue to open new stores, but only Apple will show real growth. POSReady 2009 (formerly WEPOS) will continue to share the POS market with Linux. The iPhone and iPod will continue to capture market share, but there won't be an Apple tablet. There won't be an Apple tablet? What was I thinking? While Apple has well over 300 stores, there are less than 10 Microsoft stores. Initial impressions show that even though Microsoft is locating its store near Apple Stores, they are not converting customers, with shoppers citing a lack of assortment and high prices. 6. Consolidation of e-commerce software providers. Software vendors in the areas of search, reviews, online call-centers, payments, and e-commerce will consolidate, partly driven by the success of m-commerce and SaaS. Amazon will find someone else to buy, and eBay will continue to lose momentum. Consolidation of e-commerce providers continued with IBM acquiring Sterling Commerce and CoreMetrics, and Oracle recently announcing the acquisition of ATG. Amazon grabbed Zappos, Woot, and Diapers.com to continue its dominance of online selling. While eBay's Marketplace growth may have slowed, its PayPal division is doing quite well, fueled in part by demand for mobile payments. 7. Book publishers mirror music labels. Just as the iPod brought digital downloads to the masses, the Kindle and Nook will power the e-book revolution. Books will continue to use DRM for a few more years before following the path of music. Publishers will try to preserve the margins of hardbacks by associating e-book releases with paperbacks. Amazon has done a good job providing e-reader clients for smartphones, PCs, and tablets. Competition from Barnes & Noble has forced Amazon to support book loaning, and both companies are making it easier for people to publish ebooks (with or without DRM). Progress is slow but steady. 8. NFC makes inroads, RFID treads water. Near Field Communications start to appear in mobile phones, and retailers beta test its use for payments and loyalty programs. RFID tag costs come down a bit, but not enough to spur accelerated adoption.Nokia announced plans to offer NFC-enabled phones in 2011, and rumors are swirling about NFC in the upcoming iPhone.  I think NFC is heading in the right direction, and I've heard more interest from retailers about specialized uses for RFID.9. Digital Signage goes the way of augmented reality. People use their camera phones to leave geo-tagged notes all over cities, rating stores and restaurants, and "painting" graffiti. But people get tired of holding their phones in front of their faces, so AR glasses are offered in much the same way bluetooth headsets emerged. Retailers experiement with in-store advertising using AR. Several retailers like Pizza Hut, Benetton, and Target have experimented with AR but its still somewhat of a gimmick used by marketing.  I think this prediction is a year or two too early. 10. JDA flip-flops again. After announcing their embracing of the .Net architecture, then switching to J2EE after the Manugistics acquisition, JDA will finally decide to standardize on Apple's Objective C. Everything will be ported to the iPhone and be available on the AppStore. After all, there's not much left to try. This was, of course, a joke but the sentiment is still valid.  JDA seems more supply-chain focused than retail focused, which is a an outcrop if their i2 acquisition.  Of the 10 predictions, I'm going to say I got 6 somewhat correct.  (Don't you just love grading your own paper?)  Soon I'll post my predictions for 2011 so be on the lookout.  Until then here's one more prediction:  Va Tech beats Stanford in the Orange Bowl -- count on it!

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  • Maven Error - Expected START_TAG or END_TAG not TEXT

    - by onepotato
    I am setting up a spring mvc web application + hibernate jpa + maven from scratch using Eclipse Indigo. I am stuck in this error when doing a Maven build. [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Error installing artifact's metadata: Error installing metadata: Error updating group repository metadata expected START_TAG or END_TAG not TEXT (position: TEXT seen ...<extension>war</... @13:25) [INFO] ------------------------------------------------------------------------ I tried googling but can't find a solution that works for me. I even search the whole project for the text <extension>war</ and mysteriously, there is no text like this in my project. However, in the tomcat web.xml there are a lot of <extension> tag, but I doubt that it has something to do in this error because I never touched that web.xml Here is my pom.xml <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.mycompany.applicationname</groupId> <artifactId>Application MVC</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>Maven Application Webapp</name> <url>http://maven.apache.org</url> <properties> <spring.version>3.0.3.RELEASE</spring.version> </properties> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.hibernate.javax.persistence</groupId> <artifactId>hibernate-jpa-2.0-api</artifactId> <version>1.0.0.Final</version> </dependency> </dependencies> <build> <finalName>ApplicationName</finalName> </build> </project> As Funtik has suggested, I did a build with -X. Here is the stacktrace. [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Error installing artifact's metadata: Error installing metadata: Error updating group repository metadata expected START_TAG or END_TAG not TEXT (position: TEXT seen ...<extension>war</... @13:25) [INFO] ------------------------------------------------------------------------ [DEBUG] Trace org.apache.maven.lifecycle.LifecycleExecutionException: Error installing artifact's metadata: Error installing metadata: Error updating group repository metadata at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:583) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:499) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:478) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:330) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:291) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129) at org.apache.maven.cli.MavenCli.main(MavenCli.java:287) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:592) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: org.apache.maven.plugin.MojoExecutionException: Error installing artifact's metadata: Error installing metadata: Error updating group repository metadata at org.apache.maven.plugin.install.InstallMojo.execute(InstallMojo.java:143) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558) ... 16 more Caused by: org.apache.maven.artifact.installer.ArtifactInstallationException: Error installing artifact's metadata: Error installing metadata: Error updating group repository metadata at org.apache.maven.artifact.installer.DefaultArtifactInstaller.install(DefaultArtifactInstaller.java:91) at org.apache.maven.plugin.install.InstallMojo.execute(InstallMojo.java:105) ... 18 more Caused by: org.apache.maven.artifact.repository.metadata.RepositoryMetadataInstallationException: Error installing metadata: Error updating group repository metadata at org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManager.install(DefaultRepositoryMetadataManager.java:463) at org.apache.maven.artifact.installer.DefaultArtifactInstaller.install(DefaultArtifactInstaller.java:79) ... 19 more Caused by: org.apache.maven.artifact.repository.metadata.RepositoryMetadataStoreException: Error updating group repository metadata at org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.storeInLocalRepository(AbstractRepositoryMetadata.java:76) at org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManager.install(DefaultRepositoryMetadataManager.java:459) ... 20 more Caused by: org.codehaus.plexus.util.xml.pull.XmlPullParserException: expected START_TAG or END_TAG not TEXT (position: TEXT seen ...<extension>war</... @13:25) at org.codehaus.plexus.util.xml.pull.MXParser.nextTag(MXParser.java:1083) at org.apache.maven.artifact.repository.metadata.io.xpp3.MetadataXpp3Reader.parseVersioning(MetadataXpp3Reader.java:513) at org.apache.maven.artifact.repository.metadata.io.xpp3.MetadataXpp3Reader.parseMetadata(MetadataXpp3Reader.java:352) at org.apache.maven.artifact.repository.metadata.io.xpp3.MetadataXpp3Reader.read(MetadataXpp3Reader.java:866) at org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.updateRepositoryMetadata(AbstractRepositoryMetadata.java:98) at org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.storeInLocalRepository(AbstractRepositoryMetadata.java:68) ... 21 more [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2 seconds [INFO] Finished at: Thu Jun 27 17:36:23 SGT 2013 [INFO] Final Memory: 9M/16M [INFO] ------------------------------------------------------------------------ web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <display-name>Adjustment Tool</display-name> <servlet> <servlet-name>mvc-dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/spring-mvc.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>mvc-dispatcher</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> </web-app> Any ideas?

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  • Memory leak involving jQuery Ajax requests

    - by Eli Courtwright
    I have a webpage that's leaking memory in both IE8 and Firefox; the memory usage displayed in the Windows Process Explorer just keeps growing over time. The following page requests the "unplanned.json" url, which is a static file that never changes (though I do set my Cache-control HTTP header to no-cache to make sure that the Ajax request always goes through). When it gets the results, it clears out an HTML table, loops over the json array it got back from the server, and dynamically adds a row to an HTML table for each entry in the array. Then it waits 2 seconds and repeats this process. Here's the entire webpage: <html> <head> <title>Test Page</title> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js"></script> </head> <body> <script type="text/javascript"> function kickoff() { $.getJSON("unplanned.json", resetTable); } function resetTable(rows) { $("#content tbody").empty(); for(var i=0; i<rows.length; i++) { $("<tr>" + "<td>" + rows[i].mpe_name + "</td>" + "<td>" + rows[i].bin + "</td>" + "<td>" + rows[i].request_time + "</td>" + "<td>" + rows[i].filtered_delta + "</td>" + "<td>" + rows[i].failed_delta + "</td>" + "</tr>").appendTo("#content tbody"); } setTimeout(kickoff, 2000); } $(kickoff); </script> <table id="content" border="1" style="width:100% ; text-align:center"> <thead><tr> <th>MPE</th> <th>Bin</th> <th>When</th> <th>Filtered</th> <th>Failed</th> </tr></thead> <tbody></tbody> </table> </body> </html> If it helps, here's an example of the json I'm sending back (it's this exact array wuith thousands of entries instead of just one): [ { mpe_name: "DBOSS-995", request_time: "09/18/2009 11:51:06", bin: 4, filtered_delta: 1, failed_delta: 1 } ] EDIT: I've accepted Toran's extremely helpful answer, but I feel I should post some additional code, since his removefromdom jQuery plugin has some limitations: It only removes individual elements. So you can't give it a query like `$("#content tbody tr")` and expect it to remove all of the elements you've specified. Any element that you remove with it must have an `id` attribute. So if I want to remove my `tbody`, then I must assign an `id` to my `tbody` tag or else it will give an error. It removes the element itself and all of its descendants, so if you simply want to empty that element then you'll have to re-create it afterwards (or modify the plugin to empty instead of remove). So here's my page above modified to use Toran's plugin. For the sake of simplicity I didn't apply any of the general performance advice offered by Peter. Here's the page which now no longer memory leaks: <html> <head> <title>Test Page</title> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js"></script> </head> <body> <script type="text/javascript"> <!-- $.fn.removefromdom = function(s) { if (!this) return; var el = document.getElementById(this.attr("id")); if (!el) return; var bin = document.getElementById("IELeakGarbageBin"); //before deleting el, recursively delete all of its children. while (el.childNodes.length > 0) { if (!bin) { bin = document.createElement("DIV"); bin.id = "IELeakGarbageBin"; document.body.appendChild(bin); } bin.appendChild(el.childNodes[el.childNodes.length - 1]); bin.innerHTML = ""; } el.parentNode.removeChild(el); if (!bin) { bin = document.createElement("DIV"); bin.id = "IELeakGarbageBin"; document.body.appendChild(bin); } bin.appendChild(el); bin.innerHTML = ""; }; var resets = 0; function kickoff() { $.getJSON("unplanned.json", resetTable); } function resetTable(rows) { $("#content tbody").removefromdom(); $("#content").append('<tbody id="id_field_required"></tbody>'); for(var i=0; i<rows.length; i++) { $("#content tbody").append("<tr><td>" + rows[i].mpe_name + "</td>" + "<td>" + rows[i].bin + "</td>" + "<td>" + rows[i].request_time + "</td>" + "<td>" + rows[i].filtered_delta + "</td>" + "<td>" + rows[i].failed_delta + "</td></tr>"); } resets++; $("#message").html("Content set this many times: " + resets); setTimeout(kickoff, 2000); } $(kickoff); // --> </script> <div id="message" style="color:red"></div> <table id="content" border="1" style="width:100% ; text-align:center"> <thead><tr> <th>MPE</th> <th>Bin</th> <th>When</th> <th>Filtered</th> <th>Failed</th> </tr></thead> <tbody id="id_field_required"></tbody> </table> </body> </html> FURTHER EDIT: I'll leave my question unchanged, though it's worth noting that this memory leak has nothing to do with Ajax. In fact, the following code would memory leak just the same and be just as easily solved with Toran's removefromdom jQuery plugin: function resetTable() { $("#content tbody").empty(); for(var i=0; i<1000; i++) { $("#content tbody").append("<tr><td>" + "DBOSS-095" + "</td>" + "<td>" + 4 + "</td>" + "<td>" + "09/18/2009 11:51:06" + "</td>" + "<td>" + 1 + "</td>" + "<td>" + 1 + "</td></tr>"); } setTimeout(resetTable, 2000); } $(resetTable);

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  • MixItUp Pagination not working

    - by pwnjack
    I'm using MixItUp in my project to have an homepage with my items, and I want a pagination, i saw that the plugin actually supports pagination but I couldn't make it work. Here is my attempt: Markup: <div id="main"> <div class="container" id="Container"> <div class="row"> <div class="col-md-3 mix clip"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Videoclip</p> </div> </div> </div> <div class="col-md-3 mix adv"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Advertising</p> </div> </div> </div> <div class="col-md-3 mix reportage"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Reportage</p> </div> </div> </div> <div class="col-md-3 mix clip"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Videoclip</p> </div> </div> </div> <div class="col-md-3 mix adv"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Advertising</p> </div> </div> </div> <div class="col-md-3 mix reportage"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Reportage</p> </div> </div> </div> <div class="col-md-3 mix clip"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Videoclip</p> </div> </div> </div> <div class="col-md-3 mix adv"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Advertising</p> </div> </div> </div> <div class="col-md-3 mix reportage"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Videoclip</p> </div> </div> </div> <div class="col-md-3 mix clip"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Videoclip</p> </div> </div> </div> <div class="col-md-3 mix adv"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Advertising</p> </div> </div> </div> <div class="col-md-3 mix reportage"> <div class="item"> <img src="http://placehold.it/300x200" class="img-responsive" alt=""> <div class="caption"> <h1>Title</h1> <p>Reportage</p> </div> </div> </div> </div> <!-- end row --> </div> <!-- end container --> </div> <!-- end main --> As you can see the plugin is working fine with filters, but the pagination is not even showing. In the plugin's documentation there's a section dedicated to pagination, although the demo example is not there, so i can't use it as a starting working point. You can take a look at the documentation here: https://mixitup.kunkalabs.com/extensions/pagination I followed the instructions and used this JS code: $('#Container').mixItUp({ pagination: { generatePagers: true, prevButtonHTML: '«', nextButtonHTML: '»' } }); I put in the markup the emtpy div as stated in the docs: <div class="pager-list"> <!-- Pagination buttons will be generated here --> </div> Nothing happens. Can someone point me in the right direction, I don't know how to go on solving this problem, the plugin seems to support pagination, so I'm hoping to achieve that. Thanks, any suggestion is much appreciated.

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  • Producer and Consumer Threads Hang

    - by user972425
    So this is my first foray into threads and thus far it is driving me insane. My problem seems to be some kind of synchronization error that causes my consumer thread to hang. I've looked at other code and just about everything I could find and I can't find what my error is. There also seems to be a discrepancy between the code being executed in Eclipse and via javac in the command line. Intention - Using a bounded buffer (with 1000 slots) create and consume 1,000,000 doubles. Use only notify and wait. Problem - In Eclipse the consumer thread will occasionally hang around 940,000 iterations, but other times completes. In the command line the consumer thread always hangs. Output - Eclipse - Successful Producer has produced 100000 doubles. Consumer has consumed 100000 doubles. Producer has produced 200000 doubles. Consumer has consumed 200000 doubles. Producer has produced 300000 doubles. Consumer has consumed 300000 doubles. Producer has produced 400000 doubles. Consumer has consumed 400000 doubles. Producer has produced 500000 doubles. Consumer has consumed 500000 doubles. Producer has produced 600000 doubles. Consumer has consumed 600000 doubles. Producer has produced 700000 doubles. Consumer has consumed 700000 doubles. Producer has produced 800000 doubles. Consumer has consumed 800000 doubles. Producer has produced 900000 doubles. Consumer has consumed 900000 doubles. Producer has produced 1000000 doubles. Producer has produced all items. Consumer has consumed 1000000 doubles. Consumer has consumed all items. Exitting Output - Command Line/Eclipse - Unsuccessful Producer has produced 100000 doubles. Consumer has consumed 100000 doubles. Producer has produced 200000 doubles. Consumer has consumed 200000 doubles. Producer has produced 300000 doubles. Consumer has consumed 300000 doubles. Producer has produced 400000 doubles. Consumer has consumed 400000 doubles. Producer has produced 500000 doubles. Consumer has consumed 500000 doubles. Producer has produced 600000 doubles. Consumer has consumed 600000 doubles. Producer has produced 700000 doubles. Consumer has consumed 700000 doubles. Producer has produced 800000 doubles. Consumer has consumed 800000 doubles. Producer has produced 900000 doubles. Consumer has consumed 900000 doubles. Producer has produced 1000000 doubles. Producer has produced all items. At this point it just sits and hangs. Any help you can provide about where I might have misstepped is greatly appreciated. Code - Producer thread import java.text.DecimalFormat;+ " doubles. Cumulative value of generated items= " + temp) import java.util.*; import java.io.*; public class producer implements Runnable{ private buffer produceBuff; public producer (buffer buff){ produceBuff = buff; } public void run(){ Random random = new Random(); double temp = 0, randomElem; DecimalFormat df = new DecimalFormat("#.###"); for(int i = 1; i<=1000000; i++) { randomElem = (Double.parseDouble( df.format(random.nextDouble() * 100.0))); try { produceBuff.add(randomElem); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } temp+= randomElem; if(i%100000 == 0) {produceBuff.print("Producer has produced "+ i ); } } produceBuff.print("Producer has produced all items."); } } Consumer thread import java.util.*; import java.io.*; public class consumer implements Runnable{ private buffer consumBuff; public consumer (buffer buff){ consumBuff = buff; } public void run(){ double temp = 0; for(int i = 1; i<=1000000; i++) { try { temp += consumBuff.get(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } if(i%100000 == 0) {consumBuff.print("Consumer has consumed "+ i ); //if(i>999000) //{System.out.println("Consuming item " + i);} } consumBuff.print("Consumer has consumed all items."); } } Buffer/Main import java.util.*; import java.io.*; public class buffer { private double buff[]; private int addPlace; private int getPlace; public buffer(){ buff = new double[1000]; addPlace = 0; getPlace = 0; } public synchronized void add(double add) throws InterruptedException{ if((addPlace+1 == getPlace) ) { try { wait(); } catch (InterruptedException e) {throw e;} } buff[addPlace] = add; addPlace = (addPlace+1)%1000; notify(); } public synchronized double get()throws InterruptedException{ if(getPlace == addPlace) { try { wait(); } catch (InterruptedException e) {throw e;} } double temp = buff[getPlace]; getPlace = (getPlace+1)%1000; notify(); return temp; } public synchronized void print(String view) { System.out.println(view); } public static void main(String args[]){ buffer buf = new buffer(); Thread produce = new Thread(new producer(buf)); Thread consume = new Thread(new consumer(buf)); produce.start(); consume.start(); try { produce.join(); consume.join(); } catch (InterruptedException e) {return;} System.out.println("Exitting"); } }

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  • Migrate existing Maven Project into an OSGI Bundle

    - by user1706291
    i am new to the whole OSGi stuff and my task is to create an OSGi Bundle out from an exisitng maven project. To get started i decided to pick the smallest part and starting with it: Here is the pom.xml project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <artifactId>cross</artifactId> <groupId>net.sf.maltcms</groupId> <version>1.2.12-SNAPSHOT</version> </parent> <artifactId>cross-main</artifactId> <packaging>jar</packaging> <name>cross-main</name> <dependencies> <dependency> <groupId>${project.groupId}</groupId> <artifactId>cross-annotations</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>${project.groupId}</groupId> <artifactId>cross-event</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>${project.groupId}</groupId> <artifactId>cross-tools</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>${project.groupId}</groupId> <artifactId>cross-exception</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.4</version> </dependency> <dependency> <groupId>${project.groupId}</groupId> <artifactId>cross-main-api</artifactId> <version>${project.version}</version> <exclusions> <exclusion> <artifactId>commons-logging</artifactId> <groupId>commons-logging</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>3.0.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-asm</artifactId> <version>3.0.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>3.0.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>3.0.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>3.0.6.RELEASE</version> <exclusions> <exclusion> <artifactId>commons-logging</artifactId> <groupId>commons-logging</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-expression</artifactId> <version>3.0.6.RELEASE</version> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.1</version> </dependency> <dependency> <groupId>net.sf.ehcache</groupId> <artifactId>ehcache-core</artifactId> <version>2.4.6</version> </dependency> <dependency> <groupId>${project.groupId}</groupId> <artifactId>cross-math</artifactId> <version>${project.version}</version> </dependency> <dependency> <groupId>com.db4o</groupId> <artifactId>db4o-all</artifactId> <version>8.0.249</version> </dependency> <dependency> <groupId>net.sf.mpaxs</groupId> <artifactId>mpaxs-spi</artifactId> <version>1.6.10</version> </dependency> <dependency> <groupId>net.sf.mpaxs</groupId> <artifactId>mpaxs-server</artifactId> <version>1.6.10</version> </dependency> </dependencies> I did some research and found the Apache Bundle Plugin for maven and changed the pom to this <packaging>bundle</packaging> and added <build> <plugins> <plugin> <groupId>org.apache.felix</groupId> <artifactId>maven-bundle-plugin</artifactId> <extensions>true</extensions> <configuration> <instructions> <Bundle-SymbolicName>${pom.artifactId}</Bundle-SymbolicName> </instructions> </configuration> </plugin> </plugins> </build> mvn clean install went fine and i got a jar file containing the manifest, but of course the bundle could not be resolved BundleException: The bundle "cross-main_1.2.12.SNAPSHOT [30]" could not be resolved. Reason: Missing Constraint: Import-Package: com.db4o; version="[8.0.0,9.0.0) To make a long story short: What are the possibiliteis to migrate a maven application into an OSGi Bundle? Espacially how to manage the dependencys

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  • MSVC Compiler options with mojo-native in Maven

    - by graham.reeds
    I'm trying to set up a test environment with Maven to build VC++ and I am way behind on this. I have 3 source files that I builds a dll (once I get this fixed it should be a simple matter to add the unit-tests): hook.cpp hook.h hook.def This is compiled, on the command line, with the following: C:\Develop\hook\src\main\msvc>cl -o hook.dll Hook.cpp /D HOOK_DLLEXPORT /link /DLL /DEF:"Hook.def" Which produces the expected obj, dll, lib and exp files. So now to get this working in Maven2 with the Mojo-native plugin. With no options Maven w/Mojo gives me this (truncated) output: [INFO] [native:initialize {execution: default-initialize}] [INFO] [native:unzipinc {execution: default-unzipinc}] [INFO] [native:javah {execution: default-javah}] [INFO] [native:compile {execution: default-compile}] [INFO] cmd.exe /X /C "cl -IC:\Develop\hook\src\main\msvc /FoC:\Develop\hook\targ et\objs\Hook.obj -c C:\Develop\hook\src\main\msvc\Hook.cpp" Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 15.00.30729.01 for 80x86 Copyright (C) Microsoft Corporation. All rights reserved. Hook.cpp [INFO] [native:link {execution: default-link}] [INFO] cmd.exe /X /C "link.exe /out:C:\Develop\hook\target\hook.dll target\objs\ Hook.obj" Microsoft (R) Incremental Linker Version 9.00.30729.01 Copyright (C) Microsoft Corporation. All rights reserved. LINK : fatal error LNK1561: entry point must be defined [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Error executing command line. Exit code:1561 mojo-native gives options for manipulating the compiler/linker options but gives no example of usage. No matter what I tweak in these settings I get the error of: [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Failed to configure plugin parameters for: org.codehaus.mojo:native-maven -plugin:1.0-alpha-4 (found static expression: '-o hook.dll Hook.cpp /D HOOK_DLLEXPORT /link /DLL /DEF:"Hook.def"' which may act as a default value). Cause: Cannot assign configuration entry 'compilerStartOptions' to 'interface ja va.util.List' from '-o hook.dll Hook.cpp /D HOOK_DLLEXPORT /link /DLL /DEF:"Hook .def"', which is of type class java.lang.String The relevant part of my pom.xml looks like this: <configuration> <sources> <source> <directory>src/main/msvc</directory> <includes> <include>**/*.cpp</include> </includes> </source> </sources> <compilerProvider>msvc</compilerProvider> <compilerExecutable>cl</compilerExecutable> <!-- cl -o hook.dll Hook.cpp /D HOOK_DLLEXPORT /link /DLL /DEF:"Hook.def" --> <compilerStartOptions>-o hook.dll Hook.cpp /D HOOK_DLLEXPORT /link /DLL /DEF:"Hook.def"</compilerStartOptions> <!-- <compilerMiddleOptions></compilerMiddleOptions> <compilerEndOptions></compilerEndOptions> <linkerStartOptions></linkerStartOptions> <linkerMiddleOptions></linkerMiddleOptions> <linkerEndOptions></linkerEndOptions> --> </configuration> How do I manipulate the compiler to produce a DLL like the command line version does? Or should I give up and just use exec?

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  • Why isn't the Spring AOP XML schema properly loaded when Tomcat loads & reads beans.xml

    - by chrisbunney
    I'm trying to use Spring's Schema Based AOP Support in Eclipse and am getting errors when trying to load the configuration in Tomcat. There are no errors in Eclipse and auto-complete works correctly for the aop namespace, however when I try to load the project into eclipse I get this error: 09:17:59,515 WARN XmlBeanDefinitionReader:47 - Ignored XML validation warning org.xml.sax.SAXParseException: schema_reference.4: Failed to read schema document 'http://www.springframework.org/schema/aop/spring-aop-2.5.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not . Followed by: SEVERE: StandardWrapper.Throwable org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 39 in XML document from /WEB-INF/beans.xml is invalid; nested exception is org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'aop:config'. Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'aop:config'. Based on this, it seems the schema is not being read when Tomcat parses the beans.xml file, leading to the <aop:config> element not being recognised. My beans.xml file is as follows: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:jaxws="http://cxf.apache.org/jaxws" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd"> <!--import resource="classpath:META-INF/cxf/cxf.xml" /--> <!--import resource="classpath:META-INF/cxf/cxf-extension-soap.xml" /--> <!--import resource="classpath:META-INF/cxf/cxf-servlet.xml" /--> <!-- NOTE: endpointName attribute maps to wsdl:port@name & should be the same as the portName attribute in the @WebService annotation on the IWebServiceImpl class --> <!-- NOTE: serviceName attribute maps to wsdl:service@name & should be the same as the serviceName attribute in the @WebService annotation on the ASDIWebServiceImpl class --> <!-- NOTE: address attribute is the actual URL of the web service (relative to web app location) --> <jaxws:endpoint xmlns:tns="http://iwebservices.ourdomain/" id="iwebservices" implementor="ourdomain.iwebservices.IWebServiceImpl" endpointName="tns:IWebServiceImplPort" serviceName="tns:IWebService" address="/I" wsdlLocation="wsdl/I.wsdl"> <!-- To have CXF auto-generate WSDL on the fly, comment out the above wsdl attribute --> <jaxws:features> <bean class="org.apache.cxf.feature.LoggingFeature" /> </jaxws:features> </jaxws:endpoint> <aop:config> <aop:aspect id="myAspect" ref="aBean"> </aop:aspect> </aop:config> </beans> The <aop:config> element in my beans.xml file is copy-pasted from the Spring website to try and remove any possible source of error Can anyone shed any light on why this error is occurring and what I can do to fix it?

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