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  • How to obtain flow while pair programming in agile development?

    - by bizso09
    Flow is is concept introduced by Mihaly Csikszentmihalyi In short, it means what most to get into the "zone". You feel immeresed in the task you are doing, you are in deep focus and concentration and the task difficulty is just right for you, but challenging at the same time. When people acquire flow their prodctivity shoots up. Programming requires great deal of mental focus and programmers need to juggle several things in their mind at once. Many like to work in a quite environment where they can direct their full attention to the task. If they are interreupted, it may take several minutes, sometimes hours to get back into flow. I understand that agile way of doing software development is called pair prograaming. This is pormoted in Extreme programming too. It means you put the whole software development team in one room so that communication is seamless. You do programming with your pair because this way you get instant code reviews and fix bugs sooner. However, I alwys had problem obtaining flow while doing pair programming because of the contant stream of interrupts. I'm thinking deep about an issue then all of sudden someone asks me a question from another pair. My train of thought is all lost. How can you obtain and keep flow while doing agile pair programming?

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  • Windows Server 2008 (sp2) stops responding on network share requests from Windows Vista and 7 client

    - by Peter LaComb Jr.
    I have two Windows Server 2008 SP2 machines (TFS and TFSBUILD). Periodically, the TFSBUILD server shares (\TFSBUILD\ShareName or \TFSBUILD\C$) become unresponsive to requests from Windows Vista (Server 2008) and Windows 7 client requests. Windows XP machines are still able to connect. No events in the server log indicate any problem. A simple restart corrects the issue temporarily, but it always returns. No, it is not this http://support.microsoft.com/kb/976266 (we aren't using that software). All anti-virus software has been disabled, firewall is disabled by policy. No other network activity is affected. Any help would be greatly appreciated.

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  • Licensing a JavaScript library

    - by Kendall Frey
    I am developing a free, open-source (duh) JavaScript library, and wondering how to license it. I was considering the GNU GPL, but I heard that I must distribute the license with the software, and I'm not sure anymore. I would like the library to be available much like jQuery: In a free, downloadable script, preferably in either original or minified form. Am I mistaken about the GNU GPL license terms? jQuery is dual licensed under GNU GPL or MIT licenses. How does the GPL apply to single script files like that? Can I license my library with nothing more than a few sentences in the script file? Is there another license that better suits my needs? What would be nice is a license that allows you to put the URL in the source, for people to read if they want. I don't know that many do, unless I am mistaken. I am generally looking to release the library as free software like the GPL specifies, but don't want to have to force licensees to download the full license unless they wish to read it.

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  • Oracle Linux / Symantec Partnership

    - by Ted Davis
    Fred Astaire and Ginger Rogers sang the now famous lyrics:  “You like to-may-toes and I like to-mah-toes”. In the tech world, is it Semantic or is it Symantec? Ah, well, we know it’s the latter. Actually, who doesn’t know or hasn’t heard of Symantec in the tech world? Symantec is thoroughly engrained in Enterprise customer infrastructure from their Storage Foundation Suite to their Anti-Virus products. It would be hard to find anyone who doesn’t use their software. Likewise, Oracle Linux is thoroughly engrained in Enterprise infrastructure – so our paths cross quite a bit. This is why the Oracle Linux  engineering team works with Symantec to make sure their applications and agents are supported on Oracle Linux. We also want to make sure the Oracle Linux / Symantec customer experience is trouble free so customer work continues at the same blistering pace. Here are a few Symantec applications that are supported on Oracle Linux: Storage Foundation Netbackup Enterprise Server Symantec Antivirus For Linux Veritas Cluster Server Backup Exec Agent for Linux So, while Fred and Ginger may disagree on how to spell tomato, for our software customers, the Oracle / Symantec partnership works together so our joint customers experience and hear the sweet song of success.

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  • Announcement: DTrace for Oracle Linux General Availability

    - by Zeynep Koch
    Today we are announcing the general availability of DTrace for Oracle Linux. It is available to download from ULN for Oracle Linux Support customers.  DTrace is a comprehensive dynamic tracing framework that was initially developed for the Oracle Solaris operating system, and is now available to Oracle Linux customers. DTrace is designed to give operational insights that allow users to tune and troubleshoot the operating system. DTrace provides Oracle Linux developers with a tool to analyze performance, and increase observability into the systems they own to see how they work. DTrace enables higher quality applications development, reduced downtime, lower cost, and greater utilization of existing resources. Key benefits and features of DTrace on Oracle Linux include: • Designed to work on finding performance bottlenecks • Dynamically enables the kernel with a number of probe points, improving ability to service software • Enables maximum resource utilization and application performance • Fast and easy to use, even on complex systems with multiple layers of software If you already have Oracle Linux support, you can download DTrace from ULN channel. We have a dedicated Forum for DTrace on Oracle Linux, to discuss your experience and questions.

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  • Intermittent freeze of Windows 7 x64 on laptop

    - by georged
    I have Lenovo W500, 8GB RAM, 250GB Crucial SSD running Windows 7 x64 using boot-to-vhd. Lately I started to experience some random freezes for 5-30 seconds. And when I say "freeze" I mean it; it's like a time machine - no input taken, nothing is written anywhere, no log, no disk activity. And then suddenly machine would wake up and continue as if nothing happened. I do suspect that it's one of the drivers but I don't see any updates in the log lately except for .NET 4 framework and Adobe Reader. Out of new or updated software I can only recall Skype and IE9 but freezes started to occur definitely before IE install. Regular software includes but not limited to: Office 2010, VMWare Workstation, IE9, Chrome, Skype, Seesmic/TweeterDeck, Live Writer. How should I approach the "hunting season" to find our the culprit? Any tools or packages that could help me to identify the component, program, driver that causes the freeze? Cheers

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  • Apple MagicMouse randomly loses connection

    - by Yuval
    My Magic Mouse periodically randomly loses connection to my macbook, sitting approximately a foot and a half away from it. There are no software updates available for Snow Leopard (10.6.3). I have a bluetooth keyboard (that sits a little closer to the macbook, though I'm not sure this is the issue) that rarely suffers from this problem. Google results mostly suggest to update the software but I have the most updated version of it already. Does anybody have any idea what could be causing the issue? Is this simply a defective mouse? Additional info: I tried replacing the batteries with new ones, making sure they are sitting tightly in their position with no change in behavior (still disconnects periodically). Also, this doesn't seem to be a problem that the mouse is turning itself off to save battery - it does not reconnect when I move or click it. If I wait long enough (a couple of minutes) it reconnects on its own. Otherwise I have to go to the bluetooth menu with my macbook touchpad and choose "yuval's mouse - Connect"

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  • Cannot FTP without simultaneous SSH connection?

    - by Lucas
    I'm trying to set up an old box as a backup server (running 10.04.4 LTS). I intend to use 3rd party software on my PC to periodically connect to my server via FTP(S) and to mirror certain files. For some reason, all FTP connection attempts fail UNLESS I'm simultaneously connected via SSH. For example, if I use putty to test the connection to port 21, the system hangs and times out. I get: 220 Connected to LeServer USER lucas 331 Please specify the password. PASS [password] <cursor> However, when I'm simultaneously logged in (in another session) everything works: 220 Connected to LeServer USER lucas 331 Please specify the password. PASS [password] 230 Login successful. Basically, this means that my software will never be able to connect on its own, as intended. I know that the correct port is open because it works (sometimes) and nmap gives me: Starting Nmap 5.00 ( http://nmap.org ) at 2012-03-20 16:15 CDT Interesting ports on xx.xxx.xx.x: Not shown: 995 closed ports PORT STATE SERVICE 21/tcp open ftp 22/tcp open ssh 53/tcp open domain 139/tcp open netbios-ssn 445/tcp open microsoft-ds Nmap done: 1 IP address (1 host up) scanned in 0.15 seconds My only hypothesis is that this has something to do with iptables. Maybe it's allowing only established connections? I don't think that's how I set it up, but maybe? Here's my iptables rules for INPUT: lucas@rearden:~$ sudo iptables -L INPUT Chain INPUT (policy DROP) target prot opt source destination fail2ban-ssh tcp -- anywhere anywhere multiport dports ssh ufw-before-logging-input all -- anywhere anywhere ufw-before-input all -- anywhere anywhere ufw-after-input all -- anywhere anywhere ufw-after-logging-input all -- anywhere anywhere ufw-reject-input all -- anywhere anywhere ufw-track-input all -- anywhere anywhere ACCEPT tcp -- anywhere anywhere tcp dpt:ftp I'm using vsftpd. Any thoughts/resources on how I could fix this? L

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  • Is it possible to run pgp 6.5.8 freeware on Windows 7 64 bit machine?

    - by Johnny Holmes
    I am trying to get the PGP Command Line -Freeware Version 6.5.8 by Networks Associates working on a Wndows 7 64 bit machine. Does anyone know if it is possible? I installed it in C:\pgp when i run pgp, it keeps telling me that it can't find the pgp.cfg file. My PGPPATH is defined and set to C:\pgp I have also included this path in my Path variable Can anyone tell me what i am doing wrong. The documentation states that: "The first time you start PGP, the software checks to see if the environment variable PGPPATH is defined. If PGPPATH is defined, the software puts the pgp.cfg in the %PGPPATH% directory" Edit: This is most likely a Windows 7 professional folder rights issue, since the file pgp.cfg can't get written. I tried my best given the folder full rights, but im not 100% confident that i did it right. Anyone help me?

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  • Registry in Windows7 - appears in powershell, but not regedit

    - by Dan
    Hi. My software is writing to the registry (HKCU:\software\classes\clsid\). The key that I'm writing isn't appearing when I go to that location in regedit. However, if I navigate to that location in powershell, then I see ONLY the entry I added, and not the other class ids that I see in regedit. It's almost as if there's two versions of the registry. I'm using Windows7 (moved recently from XP, so there's probably some weird virtualization stuff going on which I've not learnt yet! ;-)). Thanks for any help with this, Dan.

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  • COM+, DTC, and 80070422

    - by Chris Miller
    One of our  "packaged" software bits that accesses my servers is going through an upgrade right now.  Apparently this software requires DTC to be installed on my SQL Server, and able to accept remote connections.  So I look up how to do that in the knowledge base: http://support.microsoft.com/?kbid=555017 And immediately hit a roadblock.  The DTC components aren't showing up in my Component Services console.  The entire console's acting weird (well, weirder than usual) and when I go into the console and click "Options" it insists on having a timeout entered, and when I enter one, close the box, and go back, the setting's gone again and I'm required to re-enter it.  Lots of weirdness, and no DTC tab.  If you open the COM+ folders, you immediately get error 80070422. After a lot of searching I was looking through the Services listing on the box (after restarting DTC for the twelfth time) and saw that "Com+ System Application" was disabled.  I set it to manual, rebooted the box (test server) and everything started working. So, if you're trying to follow those instructions and discover that the Component Services tool is acting odder than usual, make sure that service isn't disabled.

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  • What causes bad performance in consumer apps?

    - by Crashworks
    My Comcast DVR takes at least three seconds to respond to every remote control keypress, making the simple task of watching television into a frustrating button-mashing experience. My iPhone takes at least fifteen seconds to display text messages and crashes ¼ of the times I try to bring up the iPad app; simply receiving and reading an email often takes well over a minute. Even the navcom in my car has mushy and unresponsive controls, often swallowing successive inputs if I make them less than a few seconds apart. These are all fixed-hardware end-consumer appliances for which usability should be paramount, and yet they all fail at basic responsiveness and latency. Their software is just too slow. What's behind this? Is it a technical problem, or a social one? Who or what is responsible? Is it because these were all written in managed, garbage-collected languages rather than native code? Is it the individual programmers who wrote the software for these devices? In all of these cases the app developers knew exactly what hardware platform they were targeting and what its capabilities were; did they not take it into account? Is it the guy who goes around repeating "optimization is the root of all evil," did he lead them astray? Was it a mentality of "oh it's just an additional 100ms" each time until all those milliseconds add up to minutes? Is it my fault, for having bought these products in the first place? This is a subjective question, with no single answer, but I'm often frustrated to see so many answers here saying "oh, don't worry about code speed, performance doesn't matter" when clearly at some point it does matter for the end-user who gets stuck with a slow, unresponsive, awful experience. So, at what point did things go wrong for these products? What can we as programmers do to avoid inflicting this pain on our own customers?

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  • ANNOUNCEMENT: Oracle VM 3 Templates Available for Oracle Secure Global Desktop 4.62

    - by Mohan Prabhala
    Today, we are proud to announce the general availability of Oracle VM 3 templates for Oracle Secure Global Desktop version 4.62.  With Oracle VM 3 templates, anyone using Oracle VM 3 need not download, install and configure the Operating System and product(s) individually. In this case, the supported operating system (Oracle Linux 5.7) and Oracle Secure Global Dekstop 4.62 product is packaged together into a template that one can easily import and clone as a VM into Oracle VM 3. This results in a nearly instant deployment and configuration of Oracle Secure Global Desktop within Oracle VM 3.  This means drastically reducing the evaluation and deployment time for Oracle Secure Global Desktop when leveraging Oracle VM 3. Feel free to give it a try! Login into the Oracle VM section at Oracle Software Delivery Cloud  (click on 'Cloud Portal (Main)' at the top-right) and: Under Oracle VM templates - x86 64-bit, look for Oracle VM 3 Template (OVF) for Oracle Secure Global Desktop Media Pack for x86_64 (64 bit) Oracle Secure Global Desktop 4.62 template for x86_64 (64 bit) with Oracle Linux 5.7 Under Oracle VM templates – x86 32 bit, look for Oracle VM 3 Template (OVF) for Oracle Secure Global Desktop Media Pack for x86 (32 bit) Oracle Secure Global Desktop 4.62 template for x86 (32 bit) with Oracle Linux 5.7 Download any of the above templates. Once you are done, you must First import the assembly (ova) file that you downloaded from Oracle Software Delivery Cloud Next, create a virtual machine template from the assembly And finally create a virtual machine from the template. Once the virtual machine is created and starts up, be sure to configure the networking parameters (hostname, IP address, netmask, gateway etc), and optional user parameters correctly. You must also enter a root password during first boot. And that's it - the Oracle Secure Global Desktop install script will pick up the networking parameters, prompt for confirmation and complete a default installation. Once the installation is complete, you may want to refer to the Oracle Secure Global Desktop Administration Guide to learn more about Oracle Secure Global Desktop and its capabilities.

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  • Microphone - static background noise suppression

    - by user1873947
    My soundcard is Realtek ALC 892. On Windows 7 I use official Realtek drivers, on Linux I use PulseAudio (on Ubuntu 13.10). On both Windows and Linux, when I enable microphone boost +30db (required because my microphone is quiet), I get very annoying and loud background noise (I also confirmed the background noise with Audacity on both systems). However, Windows Realtek drivers have noise suppression option which works (after enabling it, Audacity shows no background noise and my ears also confirm that there is no background noise). My question is how can I enable background noise suppression in ALSA/PulseAudio? Is there any module I can install or maybe there is a setting for it that can be enabled in config file? I can't find solution for it and this is the only thing that prevents me from switching to Linux completely - as I talk using microphone a lot and on Windows the Realtek software removes the background noise completely and PulseAudio doesn't remove it, which means the recorded voice on Linux is very bad. I know I could buy better soundcard and microphone, but as I said, Windows Realtek drivers remove the noise on software level in real time (ie no noise when talking on TeamSpeak3/Steam/whatever voip programme) so I hope that there is such option on Linux as well. Thanks in advance! This is also crossposted on Unix StackExchange

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  • Digital Blue Digital Movie Creator 3.0 driver

    - by user27977
    I'm having a complete 'mare of a time trying to use my schools Digital Blue cameras. We've got the model 3 ones, but can't find the driver disc and using the Windows Hardware Installation Wizard gets me no where! Can you help me to find the driver? When I've used it at my old school it had a piece of software called the Digital Movie Creator, which I've heard you can use to make stop-motion films, which is what I want to do! This is what it looks like http://www.amazon.co.uk/Digital-Movie-Creator-1GB-Card/dp/B000LP30LA/ref=sr_1_2?ie=UTF8&s=software&qid=1265928833&sr=1-2

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  • Cannot uninstall myspell-he

    - by Yuval Rabinovich
    I tried to install a Hebrew spell checker for LibreOffice. I downloaded a package named myspell-he_1.1-1_all.deb and tried to install it through the software center, installation failed and I can neither complete installation nor remove it. Since then, whenever I run Update Manager I get an error message: The package system is broken, In details: The following packages have unmet dependencies: dictionaries-common: When I try to run the Software center I get a pop-up window: Items cannot be installed or removed until the package catalog is repaired. A Repair option is suggested. If I click it the following nessage appears: installArchives() failed: dpkg: dependency problems prevent configuration of myspell-he: dictionaries-common (1.12.1ubuntu2) breaks myspell-he (<= 1.1-1) and is installed. Version of myspell-he to be configured is 1.1-1. dpkg: error processing myspell-he (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already Errors were encountered while processing: myspell-he Error in function: dpkg: dependency problems prevent configuration of myspell-he: dictionaries-common (1.12.1ubuntu2) breaks myspell-he (<= 1.1-1) and is installed. Version of myspell-he to be configured is 1.1-1. dpkg: error processing myspell-he (--configure): dependency problems - leaving unconfigured How can I clear this mess?

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  • Windows 7 - can't uninstall application as admin

    - by James Atkinson
    I'm trying to uninstall Microsoft Virtual PC 2007 from my Windows 7 machine. Logged in as administrator, when I attempt to uninstall I get a messagebox stating "The system administrator has set policies to prevent this installation." Excuse me? No I haven't. Immediately following, another messagebox displays: "You do not have sufficient access to uninstall Microsoft Virtual PC 2007. Please contact your system administrator." I didn't do anything unusual when installing or setting up the software. Just normal home use computer. Any ideas on how to remove this software?

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  • System-install-packages missing in RedHat Enterprise Linux 5

    - by Kumar P
    i am using RedHat Enterprise Linux 5.1. When i use add-remove software in application menu, i think, that i wrongly uninstalled something. so after reboot that menu item missing. Also i can't use system-install-packages in terminal. When i double click rpm package it open as archive. And i specifically open it as software installer by open with other application, it saying error /usr/bin/system-install-packages missing. Help me to solve this problem ...

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  • What tool can record multiple parallel stream to files of defined size?

    - by Hauke
    I would like to record record multiple audio web streams like this one in parallel to an mp3 or wma file for a duration of several days. I would like to be able to limit the file size or the duration stored in each file. The tool can be for any operating system. I do not need anything fancy like song recognition, metadata or silence detection. I haven't been able to find such a piece of software so far. Example: Tap channel "News" results in: News-090902-0000-0100.mp3, News-090902-0100-0200.mp3, etc... Who knows what tool can do this? It can be commercial software. Link in fulltext: 88.84.145.116:8000/listen.pls

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  • Manager keeps changing requirement specification after every demo.

    - by Jungle Hunter
    Background of my working environment My manager has no background or understanding of computers or software whatsoever. It is highly likely he hasn't seen code in any form (not even from a physical distance of 10 feet or less) in his life. There is no one who understands the complexity of what I am asked to implement. To the point that if I semi-hardcode no one would know. On Joel's test we score an unbelievable score 0. The problems The manager and at times other "senior" keep changing the requirement specification. Changes which, if good engineering be done and not patchy "fixes", require change in the underlying design. There is absolutely no one who looks at code (probably because no one knows how to, or even if it should be done) which means no one will ever be able to: Appreciate the complexity of the problem or the elegance of the solution. Suggest improvement to the approach. Appreciate the quality of the code. Point out where the code can be improved. A lot of jargon is used which makes sense grammatically but fails to make any sense any other way. Doesn't feel, behave or work like a software company. The question What should be done? Especially regarding there being no one who would point out improvements in my code. Update To answer HLGEM's (and possibly others) question about what I've done to try and fix it. I offered to set up Redmine and introduce source control to everyone. I said I would recommend distributed (git or mercurial) but will also talk about centralized ones and let the team decide. Response was that things are being done and will be done within weeks. Haven't seen that nor am I aware if other parts of the company use it.

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  • What's the simplest configuration of SVN on a Windows Server to avoid plain text password storage?

    - by detly
    I have an SVN 1.6 server running on a Windows Server 2003 machine, served via CollabNet's svnserve running as a service (using the svn protocol). I would like to avoid storing passwords in plain text on the server. Unfortunately, the default configuration and SASL with DIGEST-MD5 both require plain text password storage. What is the simplest possible way to avoid storing passwords in plain text? My constraints are: Path-based access control to the SVN repository needs to be possible (currently I can use an authz file). As far as I know, this is more-or-less independent of the authentication method. Active directory is available, but it's not just domain-connected windows machines that need to authenticate: workgroup PCs, Linux PCs and software that uses PySVN to perform SVN operations all need to be able to access the repositories. Upgrading the SVN server is feasible, as is installing additional software.

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  • confusion about installing/using git; how to undo

    - by dan
    I'm very new to ubuntu so I'm sure this is a dumb question. I wanted to install some source code that was on git. Don't really know what that means, I've never used git before, but I figured it was time to learn so I first installed git. Next I tried to clone the git directory of the software I want to install. I got a message saying "the authenticity of IP:IP:IP:IP can't be established". I went ahead and ended up with another message saying warning such and such will be added to known hosts. I went ahead and it said something about hanging up on the connection. After searching the internet for awhile I realized I didn't need git to install the software but now I have it installed and have added some host to some file or another. I'm concerned I've created some security issues I need to fix. I know this is stupid but can anyone help me undo what I've done, or better understand what I've done. Did adding a git project open up my system? Beyond that can anyone tell me how git works. Everything I've found assumes I know stuff that I don't yet. Thanks. Dan

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  • Chalk Talk, Glenn Block &ndash; Leith, Edinburgh 12th March 2011

    - by David Christiansen
    Exciting news. I am proud to announce that Glenn Block from Microsoft  will be coming all the way from Seattle to Scotland on the 12th March to talk to you!. Glenn is a PM on the WCF team working on Microsoft’s future HTTP and REST stack and has been involved in some pretty exciting and ground-breaking Microsoft development mind-shifts in recent times. Don’t miss the chance to hear him speak and ask him questions. Brief history of Glenn Prior to WCF he was a PM on the new Managed Extensibility Framework in .NET 4.0. Glenn has a breadth of experience both inside and outside Microsoft developing software solutions for ISVs and the enterprise. Glenn has also been very active in involving folks from the community in the development of software at Microsoft. This has included shipping several products under open source licenses, as well as assisting other teams looking to do so. Glenn is also a frequent speaker at local and international events and user groups.  When he's not working and playing with technology, he spends his time with his wife and daughter either at their home in Seattle or at one of the local coffee shops. Glenn Block on the web mvcConf 2 - Glenn Block: Take some REST with WCF (Feb 2011) @gblock on twitter My Technobabble - Glenn’s Blog Sponsored by Storm ID is an award winning full service digital agency in Edinburgh

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  • setting up multi-mon windows + mac

    - by psychotik
    Ok this is a stretch, but I know of some Windows only software that does this so curious if there is something that does it on the mac too. I have 2 monitors and 2 development machines - a PC and a Mac Mini. I want to be able to view/control both concurrently (one on each monitor). The Mac only has DVI out, the PC has both and my monitors have both. Any suggestions on how I can do it? A solution involving KVM or software (VNC/remoting) is OK... Thanks!

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  • Free desktop recording / screencasting on windows

    - by Mercer Traieste
    I'm a newbie in desktop recording and screencasting. I didn't find a suitable free application to do all the things I want it to do, but I did enjoy using jing. I would expect such an application to have these features: choose the whole desktop, a region, a window to record zoom in an area, and camera move save the recorded movie to a compressed format have basic editing tools have the mouse highlighting feature (either a sonar blip or something similar) highlight window/field on the screen, any trick will do display pressed keys/key combinations (like iphone does) So the question is: Which free desktop recording/screencasting software would you recommend on windows? It doesn't have to have all those features, just tell me your favorable experiences. Please suggest tools that would do mouse/keys/areas highlight tricks. I'm open to commercial software too, but I would prefer a free one. Thank you!

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