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Articles indexed Monday November 5 2012

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  • @media print display:none isn't working

    - by chris Frisina
    I have tried for over 3 weeks now with different implementations trying to get the right section to not display, and have the left section display at full width. Given that my research shows there is no easy or streamlined way to quickly render Print views without reviewing the print preview, I am asking for some help to figure this out. This is the current page im trying to get to work. This is what I want to happen. Please note that the width of the left side needs to extend the full width. the print media css that is not working is this: #gc { width: 100%; } #asideTrack { /* width: 100%;*/ display: none; } .asideTrack { /* width: 100%;*/ display: none; } .slideAside { /* width: 100%;*/ display: none; } #slideAside { display:none } Any suggestions?

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  • Expression Engine using the Champagne Extension troubleshooting

    - by user975044
    I have an issue in Expression Engine using the Champagne Extension where it won't allow me to send out campaigns. This extension utilizes https://www.campaignmonitor.com/ api to send out mass emails. The Error I get is "HTML Content URL Required" when I try to send out campaigns form the back end of the Expression Engine Install. What could be causing this issue that relates to the expression engine install?

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  • Worst Case number of rotations for BST to AVL algorithm?

    - by spacker_lechuck
    I have a basic algorithm below and I know that the worst case input BST is one that has degenerated to a linked list from inserts to only one side. How would I compute the worst case complexity in terms of number of rotations for this BST to AVL conversion algorithm? IF tree is right heavy { IF tree's right subtree is left heavy { Perform Double Left rotation } ELSE { Perform Single Left rotation } } ELSE IF tree is left heavy { IF tree's left subtree is right heavy { Perform Double Right rotation } ELSE { Perform Single Right rotation } }

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  • Ruby: how to know depth of multidemensional array

    - by hqt
    This is my problem I have met in my assignment. Array A has two elements: array B and array C. Array B has two elements: array D and array E At some point, array X just contains two elements: string a and string b. I don't know how to determine how deep array A is. For example: arrA = [ [ [1,2] ] ] I have tested by: A[0][0][0] == nil which returns false. Moreover, A[0][0]..[0] == nil always returns false. So, I cannot do this way to know how deep array A is.

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  • Amazon AWS s3fs mount problem on Fedora 14

    - by Alex
    I successfully compiled and installed s3fs (http://code.google.com/p/s3fs/) on my Fedora 14 machine. I included the password credentials in /etc/ as specified in the guide. When I run: sudo /usr/bin/s3fs bucket_name /mnt/bucket_name/ it runs successfully. (note: the bucket name is the same as the folder name in /mnt/). When I run ls in /mnt/ I get the error "ls: cannot access bucket_name: Permission denied". When I run sudo chmod 640 /mnt/bucket_name I get "chmod: changing permissions of `bucket_name': Input/output error". When I reboot the machine I can access the folder /mnt/bucket_name normally but it is not mapped to the s3 bucket. So, basically I have two questions. 1) How do I access the folder (/mnt/bucket_name) as usual after I mount it to the s3 bucket and 2) How can I keep it mounted even after machine restart. Regards

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  • How to show wml pages on android phone

    - by Akshata
    I want to show wml page on android. I have designed small wml page. I am using Apache server to deploy the pages. But the page is not displaying. It is displaying just like xml page. I have added some line to mime.types which is given in following site http://e-articles.info/e/a/title/How-To-Configure-Apache-or-IIS-Web-Server-to-Work-with-WML-~-Openwave-SDK/ Still it is not working on android emulator... any idea??

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  • GDL Presents: Women Techmakers with bitly

    GDL Presents: Women Techmakers with bitly April Anderson and Amanda Surya chat with Bitly Chief Scientist Hilary Mason about the role data plays in making business decisions, the intersection of government, policy, and technology, and her experience in the New York tech community. Hosts: April Anderson - Industry Director, Retail Sales at Google | Amanda Surya - Manager, Developer Relations Guest: Hilary Mason - Chief Scientist, Bitly From: GoogleDevelopers Views: 0 0 ratings Time: 30:00 More in Science & Technology

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  • GDL Presents: Women Techmakers with Pixability

    GDL Presents: Women Techmakers with Pixability Gretchen Howard and Amanda Surya speak candidly with Pixability Founder & CEO Bettina Hein about her experiences building successful technology businesses and activating the female tech community. Hosts: Gretchen Howard - Director of Global Social Solutions | Amanda Surya - Manager, Developer Relations Guest: Bettina Hein - Founder and CEO, Pixability From: GoogleDevelopers Views: 0 0 ratings Time: 30:00 More in Science & Technology

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  • GDL Presents: Women Techmakers with Diane Greene

    GDL Presents: Women Techmakers with Diane Greene Megan Smith co-hosts with Cloud Platform PM Lead Jessie Jiang. They will be exploring former VMWare CEO and current Google, Inc. board member Diane Greene's strategic thoughts about Cloud on a high-level, as well as the direction in which she sees the tech industry for women. Hosts: Megan Smith - Vice President, Google [x] | Jessie Jiang - Product Management Lead, Google Cloud Platform Guest: Diane Greene - Board of Directors, Google, Inc. From: GoogleDevelopers Views: 0 0 ratings Time: 01:00:00 More in Science & Technology

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  • GDL Presents: Women Techmakers with SoftTech VC and NewME Accelerator

    GDL Presents: Women Techmakers with SoftTech VC and NewME Accelerator Stephanie Palmeri of SoftTech VC and Angela Benton of NewMe Accelerator engage with Mary Grove and Stephanie Liu on diversity in the investment space, expounding on their personal experiences growing into skills that have enabled them to excel in this realm. Hosts: Mary Grove - Head of Global Entrepreneurial Outreach | Stephanie Liu - Senior Program Manager, Developer Relations Guests: Stephanie Palmeri - Principal with SoftTech VC | Angela Benton - Founder & CEO NewME Accelerator From: GoogleDevelopers Views: 0 0 ratings Time: 01:00:00 More in Science & Technology

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  • GDL Presents: Women Techmakers with Pixel Qi

    GDL Presents: Women Techmakers with Pixel Qi Jean Wang sits down with 2011 Anita Borg "Woman of Vision" Award for Innovation winner Mary Lou Jepsen of Pixel Qi to discuss overcoming technical challenges in hardware, drawing on Mary Lou's experience leading the engineering and architectural design of the $100 laptops that inspired the One Laptop Per Child (OLPC) organization. Hosts: Jean Wang - Lead Hardware Engineer for Project Glass | Vivian Cromwell - Manager, Global Chrome Developer Relations Guest: Mary Lou Jepsen - CEO and Founder, Pixel Qi From: GoogleDevelopers Views: 0 0 ratings Time: 01:00:00 More in Science & Technology

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  • GDL Presents: Women Techmakers with JESS3

    GDL Presents: Women Techmakers with JESS3 Join Leslie, COO and Co-founder of JESS3, in conversation with Megan Smith and Betsy Masiello, as they discuss Leslie's experience growing a design business from two employees to a transnational operation. Hosts: Megan Smith - Vice President, Google [x] | Betsy Masiello - Policy Manager Guest: Leslie Bradshaw - President, COO and Co-founder, JESS3 From: GoogleDevelopers Views: 0 3 ratings Time: 01:00:00 More in Science & Technology

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  • Static GitHub powered blog engine

    - by Daniel Cazzulino
    Blog engines were the new &quot;cool thing to write&quot; after the fever of writing a new DI framework was over. It was kinda like the new &quot;hello world++&quot; example. Almost every single engine uses a database of some sort to keep posts and comments. Almost every one is not leveraging the web as a consequence ;) I was intrigued by the possibilities that a flexible and general-purpose hosting solution like Github could offer for a static blog engine: basically keeping plain markdown/HTML/razor/WLW/whatever files that through a publish/build time process generate static files that pass for a &quot;blog engine&quot;. GitHub even supports custom domain names, so why not? Such an &quot;engine&quot; would have a number of benefits: Plain CSS styling Arbitrary JavaScript Leverage the web infrastructure (caching, CDNs, etc.) ...Read full article

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  • Electronics 101 for kids: littleBits review

    - by Daniel Cazzulino
    I'm always on the lookout for cool toys that can empower my kids (9, 6 and 2yo) to be creative and break the mold of being just consumers of other's ideas. I recently came across littleBits while watching a TED video of their creator. I was immediately hooked. It seemed like the perfect blend of simplicity and self-learning that I was looking to get my kids into electronics. So I went ahead and purchased the kit from SparkFun and a bunch of standalone parts (&quot;bits&quot;) from the site itself. There are also a bunch of videos and pictures on their site to get a better idea of what they are, as well as multitude YouTube videos. This weekend I gave them to my kids, and coincidentally, we also travelled to my hometown and they got to share them too with their cousins. Man, what a blast it was! I decided to approach this &quot;toy&quot; just like one of the iPod/iPad games I buy for them: &quot;How it's used? I've no idea! I just heard it was great, you go figure it out!&quot;. And figure it out they did....Read full article

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  • Vagrant reporting VirtualBox guest additions out of date

    - by DTest
    Fairly new to Vagrant, so bear with me if I don't understand the process. I downloaded a CentOS box off http://www.vagrantbox.es/ Started it up running VirtualBox 4.2.4 and got this message: [default] The guest additions on this VM do not match the install version of VirtualBox! This may cause things such as forwarded ports, shared folders, and more to not work properly. If any of those things fail on this machine, please update the guest additions and repackage the box. Guest Additions Version: 4.0.8 VirtualBox Version: 4.2.4 So I used the vbguest plugin to update the guest additions, then repackaged the box as suggested. Having replaced the old box and loading it up I get the same message about guest additions being outdated, but vbguest reports that they are up to date (the automatic vbguest update is disabled in my Vagrantfile): Vagrant::Config.run do |config| config.vm.box = "centos56_64" config.vbguest.auto_update = false config.vbguest.no_remote = true end And the commands: dtest$ vagrant up [default] Importing base box 'centos56_64'... [default] The guest additions on this VM do not match the install version of VirtualBox! This may cause things such as forwarded ports, shared folders, and more to not work properly. If any of those things fail on this machine, please update the guest additions and repackage the box. Guest Additions Version: 4.0.8 VirtualBox Version: 4.2.4 [default] Matching MAC address for NAT networking... [default] Clearing any previously set forwarded ports... [default] Forwarding ports... [default] -- 22 => 2222 (adapter 1) [default] Creating shared folders metadata... [default] Clearing any previously set network interfaces... [default] Booting VM... [default] Waiting for VM to boot. This can take a few minutes. [default] VM booted and ready for use! [default] Mounting shared folders... [default] -- v-root: /vagrant dtest$ vagrant vbguest --no-install [default] Detected Virtualbox Guest Additions 4.2.4 --- OK. [default] Virtualbox Guest Additions on host: 4.2.4 - guest's version is 4.2.4 Since they appear to be updated after an install, I could ignore the message. But is it possible to get rid of it?

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  • Redirect websockets to port?

    - by DigitalMan
    So, I've got a WebSocket server in C++, that is a completely stand-alone entity - handles header parsing, receiving, sending, all of it on its own, listening directly to the port. Problem is, it needs to run on a server alongside Apache, and that's a bit of a problem. Now, there was a solution here to a similar issue involving mod_proxy, but I'm hoping I can intercept and redirect WebSocket communication before Apache even knows about it, possibly with iptables. So the question is, is it possible to direct traffic bound for chat.mysite.net to a WebSocket server on, say, port 8080, while anything else headed to mysite.net proceeds as expected to Apache?

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  • How to detect hard disk failure?

    - by Devator
    So, one of my servers has a hard disk failure. It's running software RAID, the system locked up and according to /proc/mdstat (and /var/log/messages), it's really down: Personalities : [raid1] md2 : active raid1 sdb2[1] 104320 blocks [2/1] [_U] md5 : active raid1 sdb5[1] 2104448 blocks [2/1] [_U] md6 : active raid1 sdb6[1] 830134656 blocks [2/1] [_U] md1 : active raid1 sdb1[1] 143363968 blocks [2/1] [_U] and Nov 5 22:04:37 m38501 smartd[4467]: Device: /dev/sda, not capable of SMART self-check However when I do smartctl -H /dev/sda, it passes the test. It also passes the test with smartctl --test=short /dev/sda. So, is smartctl a broken testing tool, or am I doing something completely off?

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  • What directories I must backup for reinstalling Windows 7?

    - by gsc-frank
    I'm reinstalling a Windows 7 PC and want backup all the system, application and users data to latter decide what data can be useful. What directories I must backup? I will format the PC and all importante data must be saved. I have doubts particularly about C:\Users\USER_NAME\AppData and how save it using a Ubuntu live CD in case I don't have access to the Windows 7 PC. AppData have a lot of syslink inside!

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  • Using Varnish (only) for DDoS mitigation

    - by Martin Kanters
    My VPS is suffering from a (D)DoS doing a SYN flood with spoofed IPs. I'm right now searching from ways how to be able to defend (at least a bit) against it. It's running a DirectAdmin apache2 webserver. Mainly used for serving PHP and MySQL. We are using CloudFlare, which are saying that they are able to mitigate (D)DoS at some level, now the attacker knows our real IP address, so CloudFlare isn't helping a bit. I've done some searching on the net and found out about enabling SYN cookies, to defend against it. I've checked my settings and it seems it was enabled all along. I've also read about that Varnish is able to defend against SYN flooding and Slowloris attacks, now I'm pretty interested in using that. The thing is that CloudFlare is already caching a lot from us, and I don't wish to spend too much resources on Varnish. Is it possible and smart to set up Varnish only for the better handling of requests? Are there perhaps better ways which I've missed? Thanks in advance, Martin

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  • LAMP Setup, PHP's session_start permission denied

    - by Andrew
    I'm trying to set up a development environment for a legacy system that runs CentOS 4.8, PHP 4.3.9, and MySQL 4.1.22. I'm matching OS and software versions to keep the development server as close to the production server as possible. When I fire up PHPMyAdmin's setup script (version 2.11.10.1, of course) the installation errors out and I see these errors in my error log: [client 172.18.141.74] PHP Warning: session_start(): open(/var/lib/php/session/sess_b5b90f86bd3dcfad315ff24cb7483a79, O_RDWR) failed: Permission denied (13) in /home/www/intranet/phpmyadmin/libraries/session.inc.php on line 87 [client 172.18.141.74] PHP Warning: Unknown(): open(/var/lib/php/session/sess_b5b90f86bd3dcfad315ff24cb7483a79, O_RDWR) failed: Permission denied (13) in Unknown on line 0 [client 172.18.141.74] PHP Warning: Unknown(): Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php/session) in Unknown on line 0 I've done some searching on ServerFault and on teh Googles and I see that a common reason for this error is that the session.save_path isn't writable by the www user. I also found where in /etc/php.ini this URL is set: session.save_path. My session.save_path is set to: session.save_path = /var/lib/php/session I've since changed the owner and the group of /var/lib/php/session and still have the same error. Here's the result of ls -la for /var/lib/php [root@localhost php]# ls -la total 24 drwxrwxr-x 3 www www 4096 Oct 23 20:21 . drwxr-xr-x 17 root root 4096 Oct 23 20:31 .. drwxrwx--- 2 www www 4096 Jun 1 2009 session ...But I'm still getting the same error. Is there another possibility for why I'm getting this error?

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  • safely remove webserver from nginx backent pool?

    - by Dean Hiller
    We have 4 webservers behind nginx being hit with 262 events/second. I would like to tell nginx to stop sending requests to that server. If I remove the server from the file and reload the file, aren't all requests in process dropped on the floor then as nginx no longer knows that server. What can I add to the config so it slowly drops that server out of the pool and I can wait for current requests to complete.

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  • Connectiong adsl router/modem and router with bridgemode

    - by Zvonko Telefonko
    I have one adsl modem/router which is not "top" of the line and it lack allot of options which I need. I was able to acquire one Cisco router recently which has all options that I need ( like DMZ, VPN, port forwarding, etc). I'm interested, if I connect the old modem/router to new Cisco router using bridge mode, will I be able to use all the features on the Cisco? For instance, the old router is lacking of port forward options. Does this mean that I will not be able to use port forwarding on Cisco router either or, since I will be using bridge mode, this will not affect Cisco router and it will work as the modem is in him? thank you

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  • ec2 ami device mapping

    - by hortitude
    I have large ec2 Ubuntu image and I'm just looking through the devices. I noticed from the metadata that % curl http://169.254.169.254/latest/meta-data/block-device-mapping/ami sda1 % curl http://169.254.169.254/latest/meta-data/block-device-mapping/ephemeral0 sdb However when I look what is actually mounted there is /dev/xvda1 and /dev/xvdb (and there is no /dev/sd* ) I know that both names look somewhat valid from the AWS documentation, but it looks to me from this like there is a mismatch in the instance metadata and what is actually on the machine. Why don't they match?

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  • Network Role based routing

    - by Steve Butler
    Apologies my networking skills are a tad rusty. I'm looking for a way to setup a system that gives me the ability to setup Role-based access to specific network resources. For example, i have three private subnets for specific groups, users will need access to one one or more subnets. I'd like to have all client machines on the same subnet/vlan, and then use 802.1x to authorize into a router(NAC device/whatever), the router would then see what user had authenticated(huge plus if it could determine AD group), and then allow routing to one or more of the three private subnets based upon their group membership. I've looked at packetFence, and it appears to work by assigning a client to a VLAN, but i'd still need a way to route some users into different back-end networks.

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  • APC serving old code intermittently running with Lighttpd and PHP Fast CGI

    - by APZ
    I recently started facing this problem that APC shows old code when we upload a html template file to fix/ change something on our websites. We run APC with Stat=0 and want to keep it that way because we seldomly make changes to templates. Every time we upload a template we make sure to flush APC cache and we execute this script(shown only some part of the script here) to clear the cache: apc_clear_cache(); apc_clear_cache('user'); apc_clear_cache('system'); apc_clear_cache(opcode); We use lightpd and PHP Fast CGI and fast cgi has "max-procs" = 2, "PHP_FCGI_CHILDREN" = "5", Even after flushing APC once upload is complete it serves the old template intermittently. Any help would be appreciated.

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