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  • use of Lsh and Rsh keys in windows 7 calculator

    - by Tom
    Does anyone know the function of the Lsh and Rsh keys in Windows 7 calculator when it is in Programmer's mode. One would think it's meant to shift bits left and right, but that doesn't seem to happen: sometimes nothing happens, other times I get a 'Result not defined' message in the display. Has anyone figured it out yet, is this a known bug? While we're at it, does anyone have suggestions for a good calculator, one with a decent reference guide / user guide (windows help doesn't seem to give any hints on what any of the keys do, in any mode).

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  • Viewpoint gem and Exchange resource account

    - by scott.simpson
    Hi- I'm trying my hand at using the Viewpoint gem (by zenchild @ github) as the base for a meeting scheduling system. It's great at reading calendar information from regular Exchange 2007 accounts, but I got stuck trying to change the SOAP request header to allow me to read resource accounts as a delegate. I came across http://blogs.msdn.com/b/mstehle/archive/2009/06/16/exchange-api-team-blog-exchange-impersonation-vs-delegate-access.aspx and it seems to be what I need, and I have the feeling I'm on the edge of getting it working, but I'm just not quite there yet as a ruby programmer. Any help would be appreciated... Thanks!

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  • Routing Essentials

    - by zharvey
    I'm a programmer trying to fill a big hole in my understanding of networking basics. I've been reading a good book (Networking Bible by Sosinki) but I have been finding that there is a lot of "assumed" information contained, where terms/concepts are thrown at the reader without a proper introduction to them. I understand that a "route" is a path through a network. But I am struggling with visualizing some routing-based concepts. Namely: How do routes actually manifest themselves in the hardware? Are they just a list of IP addresses that get computed at the network layer, and then executed by the transport? What kind of data exists in a so-caleld routing table? Is a routing-table just the mechanism for holding these lists of IP address (read above)? What are the performance pros/cons for having a static route, as opposed to a dynamic route?

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  • Connecting a USB laptop to a RJ45 serial port

    - by Jon
    We are about to get our first managed switch at work (Procurve 2520G-24-PoE), and this lowly programmer gets to put on his admin hat and try to configure it. The switch has an RJ45 serial port for console access. My laptop has USB ports but no serial port. In fact, there isn't a single computer in the office with a serial port. I've seen USB-to-DB9 adapters, but I need to go from USB to RJ45 (serial). How would I go about accomplishing this? Do I need two adapters? Will USB-to-DB9 and then DB9-to-RJ45 work? Thanks in advance.

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  • CentOS 5 VPN Server won't work

    - by Miro Markarian
    I have a CentOS 5 server configured to be both a L2TP server and a PPTP server + a radius server for hosting the AAA. My problem is that, the L2TP works great and I can connect to it, but can't connect to PPTP and every-time it ends up with error #619 when it gets to the verifying username and password section. Here is the log I got from /var/log/messages Dec 17 07:40:02 serverdl pptpd[8570]: CTRL: Client 5.52.247.62 control connection started Dec 17 07:40:03 serverdl pptpd[8570]: CTRL: Starting call (launching pppd, opening GRE) Dec 17 07:40:03 serverdl pppd[8571]: Plugin radius.so loaded. Dec 17 07:40:03 serverdl pppd[8571]: RADIUS plugin initialized. Dec 17 07:40:03 serverdl pppd[8571]: Plugin radattr.so loaded. Dec 17 07:40:03 serverdl pppd[8571]: RADATTR plugin initialized. Dec 17 07:40:03 serverdl pppd[8571]: Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded. Dec 17 07:40:03 serverdl pppd[8571]: pptpd-logwtmp: $Version$ Dec 17 07:40:03 serverdl pppd[8571]: pppd 2.4.4 started by root, uid 0 Dec 17 07:40:03 serverdl pppd[8571]: Using interface ppp0 Dec 17 07:40:03 serverdl pppd[8571]: Connect: ppp0 <--> /dev/pts/2 Dec 17 07:40:03 serverdl pptpd[8570]: GRE: read(fd=7,buffer=80515e0,len=8260) from network failed: status = -1 error = Protocol not available Dec 17 07:40:03 serverdl pptpd[8570]: CTRL: GRE read or PTY write failed (gre,pty)=(7,6) Dec 17 07:40:03 serverdl pppd[8571]: Modem hangup Dec 17 07:40:03 serverdl pppd[8571]: Connection terminated. Dec 17 07:40:03 serverdl pppd[8571]: Exit. Dec 17 07:40:03 serverdl pptpd[8570]: CTRL: Client 5.52.247.62 control connection finished Just yesterday when I hadn't set up the L2TP yet PPTP was working great but then I uninstalled it and removed all it's config from /etc/* and installed L2TP first and then installed PPTP after it. and then it stopped to work. I believe it must be a radiusclient issue because both of the PPTP and L2TP services use radius to authenticate. And another thing I think must be the issue is that when assigning IPs to the PPP interfaces, I have done the following config. Is that right? For L2TP: localip 10.10.10.1 remoteip 10.10.10.2-254 For PPTP: localip 10.10.9.1 remoteip 10.10.9.2-254

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  • Multiple columns in a single index versus multiple indexes

    - by Tim Coker
    The short version of my question is what's the difference between three indexes each indexing a single column and one index indexing three columns. Background follows. I'm primarily a programmer but have to do DBA work because we don't have a DBA. I'm evaluating our indexes versus the queries run against a particular table. The table as 3 columns that I'm often filtering against or getting the max value of. Most of the time the queries look like select max(col_a) from table where col_b = 'avalue' or select col_c from table where col_b = 'avalue' and col_a = 'anothervalue' All columns are independently indexed. My question is would I see any difference if I had an index that indexed col_b and col_a together since they can appear in a where clause together?

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  • Recommended resource to understand Internet conventions IPs, CNAMES, *, MX etc

    - by Petras
    I am a programmer who has been creating websites for many years in shared hosting environments. To make the website live, I logged into where the domain was hosted and updated the name servers. Sometimes I didn’t want POP email so I changed an A record. I never really understood what this meant but it worked. Now we have a dedicated server and I have to fill out all this to make it live: Plus I was told I had to complete zones at my domain host: I would really like to know what all this means. What is a * record What is an @ How does the internet work regarding all these conventions? Is there a good approachable book on this topic?

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  • batch copy files with error log on missing permissions

    - by sc911
    Hi *, I'm searching for a tool to batch-copy files, that should support the following points: copy files from a net-share report any errors show errors only or filter log on errors don't stop on an error also report if a file or a folder could not be copied due to missing permissions if possible it should have a queue where new job can be added while copying I tried the following tools: TerraCopy: takes a lot time to just calculate the time and the size of the job and does not report errors due to missing permissions (it doesn't even add those files to the copy-queue) Karne's replicator: does not report errors due to missing permissions xcopy: does a great job when using the right parameters and piping the output to a file (in the German localization xcopy /k /r /e /i /s /c /h SOURCE TARGET>LOGFILE 2>&1 will do the job. opening the logfile in IE will give you a great monitor). but quing jobs it not possible (ok, you can join them all in a batch-file, but you can not queue jobs while another one is running (hm, thinking of a batch-script that loops through a file with the source-target-config...)) to be continued Which tools do you use? Tell me! Thx sc911

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  • Deploy our own software using Puppet?

    - by Ken
    (Apologies in advance for the stupidity in this question. I'm normally a programmer, not a sysadmin, but I've taken it upon myself to automate some things, and clean up some other things which are automated but not in the prettiest way. :-) I've been looking around at various tools for automation of software deployment to a bunch of servers, like cfengine, Puppet, and Chef. So far, Puppet looks the most appealing, but I've certainly not committed to anything yet. These tools all look like they can do a great job of keeping a bunch of servers up-to-date with prepackaged software. What I don't get is: how does one use a tool (like Puppet) to manage deployments of our own internal software? I think I'm at a loss because I've seen a thousand tutorials showing how to keep Apache ensure => latest (which is pretty cool), but nothing that quite corresponds to my use-case today, which is something more like: when a human being pushes The Button, pull branch A from the version-control repository B run command C to compile it copy the binaries D to servers E1 through E10 on each server, run command F to make all changes take effect Puppet sounds great, and I totally see the advantage of declarative, idempotent configuration over some shell scripts, but I've not seen any tutorials for "you want to update your shell scripts to Puppet (or Chef, or cfengine) so here's what you should do". Is there such a thing? Is it obvious to other people how to take the things provided in the Puppet docs and replicate the behavior I want? Am I just not getting it? What it's sounding like to me, so far, is that the human being (#1) would manually package the software (#2 and #3) external to Puppet, manually update the Puppet config, which would trigger Puppet to update the servers ... maybe? (I'm a little confused here, as I'm sure you can tell.) Thanks!

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  • How to change fonts in Kod?

    - by the_great_monkey
    I started using this new text editor called Kod (runs on Mac OS 10.6): http://kodapp.com/ It's very very fast, I'm a poor programmer and I don't have money to pay for TextMate, this might be the closest to TextMate that I've used. (TextMate cost around $50). The problem is.... Where is the preferences window? Where can I set the font size? I need to make it bigger, that's it... Does anyone know how to do that? EDIT: I think they haven't implement them yet... From their discussion in google group.

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  • HP tx2510us shuts down without warning, now won't boot, no BIOS codes, screen doesn't light

    - by Tim S
    Hey all, HP tx2150us worked great for a year and a half, rarely it would shut down instead of sleeping. It started running hot sometimes, I installed Win7, worked great, still running hot. Before Xmas, it gave me evidence of video errors - jagged lines, rows missing. That same night, it started rebooting, then it shut off and wouldn't boot. It gave me a BIOS code, I shut it off to look up the code online. When I turned it on again, it won't boot at all. The LEDs all light up, the fan, HD, and optical all spin up, but the screen never lights up and it doesn't try to boot, nor does it blink any BIOS codes. It just acts like it's sleeping, and won't wake up. I suspected heat problems, so I disassembled it, cleaned the crap out of the fan, and reassembled it, breaking the stereo mic connector. Oh well. When I reassembled it, it booted up into Win7 again, but kept shutting down for no discernible reason. After a dozen or so random reboots like that, it is now back to where it was - turns on but doesn't boot or give BIOS codes. The screen never lights, and everything spins up then idles. Any ideas? I really can't afford to buy a new one and I use(d) it to take ALL my notes, that's why I got a tablet in the first place.

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  • Where can I download Microsoft VC80.CRT version 8.0.50608.0 ?

    - by Leonel
    Hi, I've just installed Microsoft Office Home and Student 2007 in Windows XP SP3 When trying to run MS word or any other office app (Excel, PowerPoint), I get the following message: this application has failed to start because the application configuration is incorrect This also happens with other applications, for instance, Acrobat Reader. A bit of Googling around this error message suggests that this might be due to a mismatch of library versions. In fact, most of the articles and forum messages I found mention a programmer writing an application in Visual C++ and sending it to someone else, who then runs into that error. This is hardly my case ! I looked into Office's files and the manifest file for Excel suggests that Office is trying to use Microsoft VC80.CRT version 8.0.50608.0. However, in my Windows System folder, I can only find the assemblies for 8.0.50727.762 My next step will be trying to find version 8.0.50608.0. How can I find and download it ?

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  • How difficult will it be to switch DHCP from Windows 2000 to our network router?

    - by MetalSearGolid
    While I know a bit about networking, I am more of a programmer, and I have never set up a DHCP server. I have always allowed a router to assign IP addresses. However, my boss has asked me to switch out our old Win2k Domain Controller and DHCP server to a new server. The catch is that he wants to just use our router to assign IP addresses rather than have the new server do it. Is this going to be more than just disconnecting the old server? And if so, are there any documents or tips anyone can help me to make the transition a bit smoother? The new server will most likely have Windows Server 2008 R2. Any advice I can get on this matter would be greatly appreciated.

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  • Access 2007: How can I make this EXPRESSION less complex?

    - by Mike
    Access is telling me that my new expression is to complex. It used to work when we had 10 service levels, but now we have 19! Great! My expression is checking the COST of our services in the [PriceCharged] field and then assigning the appropriate HOURS [Servicelevel] when I perform a calculation to work out how much REVENUE each colleague has made when working for a client. The [EstimatedTime] field stores the actual hours each colleague has worked. [EstimatedTime]/[ServiceLevel]*[PriceCharged] Great. Below is the breakdown of my COST to HOURS expression. I've put them on different lines to make it easier to read - please do not be put off by the length of this post, it's all the same info in the end. Many thanks,Mike ServiceLevel: IIf([pricecharged]=100(COST),6(HOURS), IIf([pricecharged]=200 Or [pricecharged]=210,12.5, IIf([pricecharged]=300,19, IIf([pricecharged]=400 Or [pricecharged]=410,25, IIf([pricecharged]=500,31, IIf([pricecharged]=600,37.5, IIf([pricecharged]=700,43, IIf([pricecharged]=800 Or [pricecharged]=810,50, IIf([pricecharged]=900,56, IIf([pricecharged]=1000,62.5, IIf([pricecharged]=1100,69, IIf([pricecharged]=1200 Or [pricecharged]=1210,75, IIf([pricecharged]=1300 Or [pricecharged]=1310,100, IIf([pricecharged]=1400,125, IIf([pricecharged]=1500,150, IIf([pricecharged]=1600,175, IIf([pricecharged]=1700,200, IIf([pricecharged]=1800,225, IIf([pricecharged]=1900,250,0)))))))))))))))))))

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  • Annoying Search Behavior - Search Companion

    - by DavidStein
    I'm running Windows XP Professional, and ever since the last service pack I've had a searching problem. When I want to search a network drive, I get the following message: This folder is not indexed. To search this directory plase use Search Companion or add this directory to your index via options. Basically, I have two questions. Is there some way that I can use the indexed search where appropriate and then have it switch over to the Search Companion automatically? Second, how does a programmer look at this code and think this is a good idea? I realize that this question is rhetorical. However, I must enter my search string into one search, receive the error, and then click "Search Companion" to bring up the new search window. This window doesn't even take the defaults from the previous one so I have to specify the search string and drive again.

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  • HP Media Smart remote access

    - by Coov
    I just purchased this box for home backups for my pc's and mac's. Everything works great accept for the remote access part. I can RD into the machine locally but I can't get to it from outside of my network. I've enabled port forwarding on my router but it doesn't seem to matter. I checked with Qwest and they don't block these ports so I'm at a loss. I do have Vonage in front of my router but I've taken it out and it didn't make a difference. I suspect I've made an error with my router setup. I'm a programmer and I'm playing in the world of the unknown here. I'm lost. Any suggestions?

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  • dom0 enable IPv6 for guests

    - by user98651
    I am looking at deploying IPv6 to my virtual machines. Right now I have v6 working great on the dom0 using a 6in4 provided by Hurricane Electric as I do not have native v6. However, I would like to distribute some of the /48 I am receiving to the domUs (/64 per machine would be ideal, but I am open to your suggestions). Static configuration on the domU side is fine. All I want to accomplish is getting the traffic to pass through the dom0 to the domU. To say the least, I'm still trying to wrap my head around all the virtual interfaces and bridges Xen creates. Yes, I have Googled around for this a bit and have not found anything great. I tried using two "vif-route6" bash scripts with no luck (possibly due to my ignorance with Xen networking). I am still stuck (mainly in how to configure the dom0). I would like to imagine this problem is relatively easy to solve and I look forward to your suggestions and help! Edited post to clarify my end goal: getting IPv6 to domU guests. I am completely open to suggestions but am hoping for something other than setting up a tunnel for every guest.

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  • Is it possible to code on two different computers simultaneously?

    - by Muhammad
    I want to work with another programmer and I want the source code to be live in real-time on both of our screens. Is this possible on the Mac OS x or Linux? We're going to be using OS X but occasionally we might need to add an Ubuntu computer too. Is there a way I can do this using ssh, any shell based program, or even a good GUI? I thought Coda might be capable of this but it's not really working. Anyone ever do this? I'm not look for a git/svn/or any other version control system. This is more of a live coding session. :)

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  • Apache Upgrade Version

    - by mcondiff
    I have a live server that I need to upgrade Apache from 2.2.10 to 2.2.15 on Windows Server 2003. I have just inherited this server and need the fastest way to upgrade to the latest stable version without much downtime and without messing up my configuration. My first thought is to copy the httpd.conf, uninstall the current Apache, install the latest stable Apache version and then replace the httpd.conf with the previous live version. Anyone see a problem or pitfall with that? How does a Server Pro do something like this. (I'm a programmer and am new to server systems administration).

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  • When, if ever, can i expect Perl 5.10 to be available on CentOS?

    - by mithaldu
    Hi, I'm mainly a Perl programmer and as such entirely clueless about linux administration and politics, but i figure people here would be able to help me on this one. I'm working on a website that is being run on a CentOS 5.4 server, which seems to be stuck on Perl 5.8.8. I know there are several guides and such out there on how to install it manually, but I'm wondering: Can i expect whoever maintains CentOS (I really have no clue about the sysadmin side.) to ever officially make Perl 5.10 (or higher) available for 5.4? If so, when?

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  • Troubleshooting "connection reset" error on my linux server

    - by Chris
    I fervently hope someone here can help me with the problem I am experiencing. I am a programmer, and I have very little understanding of linux sysadmin terminology/concepts. I am attempting to troubleshoot a problem with my website. It is a Facebook app, and whenever I try to connect using Chrome, I get an error stating that the "connection was reset". I have been Googling for four days straight trying to find a solution to this problem, but no joy. A big part of the problem is that I do not understand the terminology being employed, and the output from many of the tools referenced is likewise indecipherable to me. I am running a VPS with CentOS 5, apache, PHP, and MySQL. I could spam this post with a ton of information from my iptables, apache, etc but if anyone needs information from my server, please let me know how to get it, and I will post it here. Thank you for any help you can offer!

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  • My fingers are cold when using my computer - solutions?

    - by Kjensen
    This might seem silly, and if there is no good and practical solution... I will live. I am a programmer and sit at a computer 10 hours a day - and even though the rest of me is nice and warm (at least warm), my fingers are cold as ice. Are there some gadgets or tricks to keep your fingers warm while typing/mousing? Gloves do not seem like a good solution, since it hinders the movement of the fingers. I have sometimes put my extra laptop next to the mouse pad, so that it vents hot air on the mouse - and that works... But it is not very practical, plus it only works for one hand (and not very well). Tips?

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  • User not in the sudoers file. This incident will be reported

    - by Sergiy Byelozyorov
    I need to install a package. For that I need root access. However the system says that I am not in sudoers file. When trying to edit one, it complains alike! How I am supposed to add myself to the sudoers file if I don't have the right to edit one? I have installed this system and only administrator. What can I do? Edit: I have tried visudo already. It requires me to be in sudoers in the first place. amarzaya@linux-debian-gnu:/$ sudo /usr/sbin/visudo We trust you have received the usual lecture from the local System Administrator. It usually boils down to these three things: #1) Respect the privacy of others. #2) Think before you type. #3) With great power comes great responsibility. [sudo] password for amarzaya: amarzaya is not in the sudoers file. This incident will be reported. amarzaya@linux-debian-gnu:/$

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  • How Do I Make A Bash Script for Git Checkin/Checkout?

    - by ServerChecker
    I was thinking of bringing up a git service on an Ubuntu server. However, the way me and another programmer operate -- we really want to try and stick to one person working on a project at a time. How would I make a Bash script to create a check in and check out with git? We want to prevent anyone from checking in code that hasn't already been checked in, and it should error out with the name of the person who has the code checked out. EDIT: I'm not really interested in using Git with its fantastic diff features. I move 100mph and don't have time to play diff games with the other developers. That's why we're using Git. If the other developers want to play the diff game, they can still do so. But when I check something out, I want it locked to everyone until I check it back in again.

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  • My fingers are cold when using my computer - solutions?

    - by Kjensen
    I am a programmer and sit at a computer ten hours a day - and even though the rest of me is nice and warm, my fingers are as cold as ice. Are there any gadgets or tricks to keep your fingers warm while typing/mousing? Gloves do not seem like a good solution, since it hinders the movement of the fingers. I have sometimes put my extra laptop next to the mouse pad so that it vents hot air on the mouse - and that works. However it is not very practical, plus it only works for one hand (and not very well).

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