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  • Upstart Script on Centos 6

    - by MarcusMaximus
    I'm trying to create an upstart script to run a python script on startup. In theory it looks simple enough but I just can't seem to get it to work. I'm using a skeleton script I found here and altered. description "Used to start python script as a service" author "Me <[email protected]>" # Stanzas # # Stanzas control when and how a process is started and stopped # See a list of stanzas here: http://upstart.ubuntu.com/wiki/Stanzas#respawn # When to start the service start on runlevel [2345] # When to stop the service stop on runlevel [016] # Automatically restart process if crashed respawn # Essentially lets upstart know the process will detach itself to the background expect fork # Start the process script exec su nonrootuser -c "python /usr/local/scripts/script.py" end script The test script I want it to run is currently a simple python script that runs without any issue when run from a terminal. #!/usr/bin/python2 import os, sys, time if __name__ == "__main__": for i in range (10000): message = "shotgunUpstartTest " , i , time.asctime() , " - Username: " , os.getenv("USERNAME") #print message time.sleep(60) out = open("/var/log/scripts/scriptlogfile", "a") print >> out, message out.close() The location/var/log/scripts has permissions 777 The file /usr/local/scripts/script.py has permissions 775 The upstart script /etc/init.d/pythonupstart.conf has permissions 755

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  • Server Error Message: No File Access

    - by iMayne
    Hello. Im having an issues but dont know where to solve it. My template works great in xampp but not on the host server. I get this message: Warning: file_get_contents() [function.file-get-contents]: URL file-access is disables in the server configuration in homepage/......./twitter.php. The error is on line 64. <?php /* For use in the "Parse Twitter Feeds" code below */ define("SECOND", 1); define("MINUTE", 60 * SECOND); define("HOUR", 60 * MINUTE); define("DAY", 24 * HOUR); define("MONTH", 30 * DAY); function relativeTime($time) { $delta = time() - $time; if ($delta < 2 * MINUTE) { return "1 min ago"; } if ($delta < 45 * MINUTE) { return floor($delta / MINUTE) . " min ago"; } if ($delta < 90 * MINUTE) { return "1 hour ago"; } if ($delta < 24 * HOUR) { return floor($delta / HOUR) . " hours ago"; } if ($delta < 48 * HOUR) { return "yesterday"; } if ($delta < 30 * DAY) { return floor($delta / DAY) . " days ago"; } if ($delta < 12 * MONTH) { $months = floor($delta / DAY / 30); return $months <= 1 ? "1 month ago" : $months . " months ago"; } else { $years = floor($delta / DAY / 365); return $years <= 1 ? "1 year ago" : $years . " years ago"; } } /* Parse Twitter Feeds */ function parse_cache_feed($usernames, $limit, $type) { $username_for_feed = str_replace(" ", "+OR+from%3A", $usernames); $feed = "http://twitter.com/statuses/user_timeline.atom?screen_name=" . $username_for_feed . "&count=" . $limit; $usernames_for_file = str_replace(" ", "-", $usernames); $cache_file = dirname(__FILE__).'/cache/' . $usernames_for_file . '-twitter-cache-' . $type; if (file_exists($cache_file)) { $last = filemtime($cache_file); } $now = time(); $interval = 600; // ten minutes // check the cache file if ( !$last || (( $now - $last ) > $interval) ) { // cache file doesn't exist, or is old, so refresh it $cache_rss = file_get_contents($feed); (this is line 64) Any help on how to give this access on my host server?

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  • Question on Binary Search Trees.

    - by AGeek
    Hi, I was thinking of implementing a binary search trees. I have implemented some very basic operations such as search, insert, delete. Please share your experiences as to what all other operations i could perform on binary search trees, and some real time operations(basic) that is needed every time for any given situation.. I hope my question was clear.. Thanks.

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  • Xcode + Perforce: it frequently shows me the spinning wheel for no reason! What can i do?

    - by GamingHorror
    While working on an Xcode project i keep getting the spinning wheel while switching files, scrolling, searching, typing, debugging, removing breakpoints, switching back from another app or saving. It also happens before compiling but usually it just happens from time to time for no apparent reason. This is the second time this started happening in a Xcode project and it's driving me nuts. It completely breaks my flow of work to have to wait for the spinning wheel to go away (2-5 seconds). What on earth could i possibly do to ... figure out what's causing the problem? resolve the problem? More details: When any project is small, everything is super-smooth with Xcode and Perforce. Two of my projects eventually had this spinning wheel problem after about 4 weeks of work. It only happened with those two projects so far. They consist of around 1000-1200 files in source control, most of them assets. The problem occurs even if i manually check out the whole project in Perforce. The problem is gone when i copy the project directory and work in the copy which is no longer under source control, or if i create a branch in Perforce and work in the branch (under source control). One of these projects i shared with a colleague, and he had exactly the same issues on his Mac. We eventually switched to Subversion and the spinning-wheel issue immediately went away. Now that i've received an updated copy of the project and simply put it under Perforce as a new project, the problem also went away (so far it did not resurface). It leads me to think that it may be caused by a larger number of file revisions. The server itself (version 2009.1) is on a different (Windows) machine on my LAN, so there's definetely no Internet lag involved. The complete repository is just 1 GB in size spread over a dozen projects or so. I'm sorry if the question seems more like a support inquiry for Perforce. However i'm using the free version of Perforce so i'm not entitled to get support from them. I hope no one minds me asking here. I'm really bummed out by this. I don't want to have to create a new branch for the project each time the spinning wheel problem surfaces.

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  • What is an overloaded operator in c++?

    - by Jeff
    I realize this is a basic question but I have searched online, been to cplusplus.com, read through my book, and I can't seem to grasp the concept of overloaded operators. A specific example from cplusplus.com is: // vectors: overloading operators example #include <iostream> using namespace std; class CVector { public: int x,y; CVector () {}; CVector (int,int); CVector operator + (CVector); }; CVector::CVector (int a, int b) { x = a; y = b; } CVector CVector::operator+ (CVector param) { CVector temp; temp.x = x + param.x; temp.y = y + param.y; return (temp); } int main () { CVector a (3,1); CVector b (1,2); CVector c; c = a + b; cout << c.x << "," << c.y; return 0; } from http://www.cplusplus.com/doc/tutorial/classes2/ but reading through it I'm still not understanding them at all. I just need a basic example of the point of the overloaded operator (which I assume is the "CVector CVector::operator+ (CVector param)"). There's also this example from wikipedia: Time operator+(const Time& lhs, const Time& rhs) { Time temp = lhs; temp.seconds += rhs.seconds; if (temp.seconds >= 60) { temp.seconds -= 60; temp.minutes++; } temp.minutes += rhs.minutes; if (temp.minutes >= 60) { temp.minutes -= 60; temp.hours++; } temp.hours += rhs.hours; return temp; } from "http://en.wikipedia.org/wiki/Operator_overloading" The current assignment I'm working on I need to overload a ++ and a -- operator. Thanks in advance for the information and sorry about the somewhat vague question, unfortunately I'm just not sure on it at all.

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  • C#: Using DateTime.Parse with string

    - by Meko
    Hi all.I am trying to get date format from Day name and time like "Monday" and second string "08:15" and it must like 10:05:2010 08:15 and then I will make subtracting from date of today. DateTime.Parse("08:15") it works but it outputs todays date. I want to get date of day name. I also usedDateTime.Parse("08:15").AddDays(1)it gaves me next days date.Here I want to get date of next Monday with and "08:15" time.

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  • Windows VPN always disconnects after < 3 minutes, only from my network

    - by hemp
    First, this problem has existed for almost two years. Until serverfault was born, I pretty much gave up on solving it - but now, hope is reborn! I've set up a Windows 2003 server as a domain controller and VPN server at a remote office. I am able to connect to and work over the VPN from every windows client I've tried, including XP, Vista, and Windows 7 without issue, from at least five different networks (corporate and home, domain and non.) It works fine from all of them. However, whenever I connect from clients on my home network, the connection drops (silently) after 3 minutes or less. After a short while, it will eventually tell me the connection has dropped and attempt to redial/reconnect (if I've configured the client that way.) If I reconnect, the connection will re-establish and appear to work correctly, but again will silently drop, this time after a seemingly shorter time period. These are not intermittent drops. It happens every single time, in exactly the same way. The only variable is how long the connection survives. It doesn't matter what type of traffic I send. I can sit idle, send continuous pings, RDP, transfer files, all of that at once - it makes no difference. The result is always the same. Connected for a few minutes, then silent death. Since I doubt anyone has experienced this exact situation, what steps can I take to troubleshoot my evanescing VPN?

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  • WebRequest using c# (VS2008) is perfectly working but not on JAVA (Ecplise)

    - by Daniel
    Hi, I'm trying to read data from a webpage, and I have to do it using JAVA. When I try to do it in Eclipse using JAVA i'm getting time out error: java.net.ConnectException: Connection timed out: connect (Using HttpURLConnection) In order to understand where is the problem I tried doing the same task using c# and VS2008, and it worked perfectly fine, no time out at all. What can be the reason for this? Thanks! Daniel

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  • Performance, serve all CSS at once, or as its needed?

    - by yaya3
    As far as I know, these days there are two main techniques used for including CSS in a website. A) Provide all the CSS used by the website in one (compressed) file B) Provide the CSS for required by the elements on the page that is currently being viewed only Positives for A: The entire CSS used on the site is cached on first visit via 1 http request Negatives for A: if it's a big file, it will take a long time to load initially Positives for B: Faster initial load time Negatives for B: More HTTP requests, more files to cache Is there anything (fundamental) that I am missing here?

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  • Can I boot up a virtual machine natively?

    - by Anshul
    My question is: Is is possible to run a virtual machine natively on your hardware if you have installed the proper drivers etc? In other words, can I use a VHD as a regular hard drive to boot from? The reason I want to do this is that I do both graphics-intensive and audio-intensive work, but my computer is not powerful enough to handle both at the same time and many times I install a bunch of audio programs that I don't want affecting the stability of my graphics programs. Basically I wanted to have sandboxing between the two sets of applications. So I tried running the graphics-intensive programs in a VirtualBox VM and the audio-intensive work natively (simply because it's a pain to route ASIO audio devices in/out of VirtualBox). This kind-of works - the graphics-intensive stuff is tolerable, but still relatively slow, because it's running inside a VM. So my next idea was to just dual-boot and install the graphics and audio programs in separate partitions but I frequently use them in tandem, so it wouldn't be practical to reboot my machine every time I need to use the other set of programs. But I could live with this scenario: If I need to do more audio-intensive stuff, I'll just boot up to the audio partition and run the graphics programs in a VM, and then when I'm working heavily on the graphics part, I'll just boot the graphics partition as a regular OS directly on the hardware. Is this possible? For example by booting up a VHD as a regular hard drive? Or by setting up dual-boot, and every time the audio partition is shut down, synchronize the graphics VM VHD with the native graphics partition? Is it practical, given the above scenario? And if it's not possible, barring buying another computer, can anyone suggest a best-of-all-worlds setup (the two worlds being performance, sandboxing, and running in parallel) for the above scenario? Thanks in advance.

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  • Trobleshooting extremely slow opening times in Win7 for documents on Win2k8 server

    - by Mazupan
    Hello. It's hard even to describe my problem. It seems there's only problem with extreme slow openings (up to 10 minutes) on Windows 7 (on XP things works fine) for files that are stored on Windows Server 2008. And now what I discovered up till now. If I open (some files, not all, not allways) .doc and .xls files with doubleclicking it takes up to 10 minutes to finaly open the file. In that time, file seems to be locked for all other users. If I cancel opening, file remains locked for some time. Owner on that files is the one who last wrote changes in them. If I change the owner to larger group, which I am member of file gets opened super fast. When opened file can be saved normaly and fast. That file reopens fast. One other user reports that there is only problem when opening the files for the first time in a day. When he openes first file he has no problems with other files at all (or so he says). He also states that when accessing files from home via VPN he has no such problems with files. And now: anybody has a clue where to start looking? I suppose that is misconfiguration problem. But where? File system? Permissions? DFS? VMWare network config? My setup is as follows: Physical server: HP Prolian ML350 G6 Virtual host: VMWare ESXi 4 Guest: Windows Server 2008 Standard Files are accessed via DFS shares. Please help me. Thanks. Mazupan

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  • Cheap Solution for Routing a Toll Free Number to a Standard POTS Number

    - by VxJasonxV
    I do some technical work for an Internet Radio Show/Podcast, and need to fix something that has been broken for a while. The hosts have a Skype-In number to take listener calls, and for convenience sake, I bought and paid for a toll free number for a period of time. I used to use Asterlink for routing calls, but they folded and sent my number to OneBox, but they're ridiculously expensive by comparison. I'm looking for a cheap solution for this one simple task. Forward toll free calls to a skype-in number. The definition of cheap is as cheap or cheaper than Asterlink was. I paid something like $2 a month, and then the termination/call rate, which was a fraction of a sent for termination, and only whole cents after some serious time on the call. A $20 preload lasted me months at a time. I don't want to be upsold too, I want a simple web based management screen (CDR/stats are fun!), and obviously, it needs to be reliable. What vendors out there are you a fan of that solves this need?

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  • Java configuration framework

    - by Steen
    I'm in the process of weeding out all hardcoded values in a java library and was wondering what framework would be the best (in terms of zero- or close-to-zero configuration) to handle run-time configuration? I would prefer xml-based config-files, but it's not essential. Please do only reply if you have practical experience with a framework. I'm not looking for examples, but experience... Thanks for taking the time.

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  • sum of Times in SQL

    - by LIX
    Hello all, I have some records like this: ID Personel_Code Time --- ------------- ------ 1 0011 05:50 3 0011 20:12 4 0012 00:50 I want to have the sum of times for each person. in this example I want to have the result like this : Personel_Code Time ------------- ----- 0011 26:02 0012 00:50 Thank you.

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  • sql server 2008 takes alot of memory?

    - by Ahmed Said
    I making stress test on my database which is hosted on sqlserver 2008 64bit running on 64bit machine 10 GB of RAM. I have 400 threads each thread query the database for every second but the query time does not take time as the sql profiler says that, but after 18 hours sql takes 7.2 GB RAM and 7.2 on virtual memroy. Does is this normal behavior? and how can I adjust sql to clean up not in use memory?

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  • Building My First Computer And Suprise It Isn't Working

    - by BobbShots
    I've had many years of experience working on and around computers, but this was my first foray into building one completely from scratch. So far that foray has been a disaster. My rig is completely assembled, and on its maiden power-up plus many power cycles I noticed three things: There were a few beeps from the BIOS POST upon powering up the first time, but I wasn't paying attention completely to the sequence. However, every time after that there are 0 POST beeps, even after taking off all hardware except the CPU and MB. There was no video being sent to the monitor. I run a HDMI cable from my video card to the monitor. The video card was LOUD. My card is a Sapphire Radeon HD 5870 which is known for not only being a powerhouse, but being pretty quiet. A few times during my power cycles it ran a lot quieter, but most of the time it was just super loud. Can anyone provide help for any of these issues? My MB, CPU, and Video Card are: MB: ASUS P6X58D Premium LGA 1366 Intel X58 SATA 6Gb/s USB 3.0 ATX Intel Motherboard CPU: i7 920 Video Card: Sapphire Radeon HD 5870

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  • host an asp.net webite outside of IIS

    - by boraer
    Hi everybody, I need to write an asp.net application which have to handle very large amount of data per second. Probably max5000 user may transact in same time. I think I will use WCF in back to communicate SQL server. But in front ISS can handle 5000 user in same time effectively or is there any simple way to host my application outside of IIS

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  • Problem with IE 6 page loading.

    - by Puneet Dudeja
    I have a website which works fine in all browsers except in IE6. The pages content is inside a div loaded with a background image. The page layout gets very nasty and image does not load when the page is opened for first time, but when the same page is opened for the second time and any subsequent times, then it loads perfectly. This scenario is with every page in the site. Please help.

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  • Licensing SQL Server 2012 Reporting Services w/ SharePoint 2010

    - by Evan M.
    Here's my situation: I have 1 VM that is running SharePoint 2010 SP1. I have a different physical server that is running SQL Server 2008 R2 that hosts all the configuration and content database for SharePoint. Now, we want to start providing BI capabilities to our users with SharePoint and SQL Server. With it's new features, 2012 is the obvious way to go. To support this, I'm looking to build a new VM that will have SQL Server 2012 installed w/ Analysis services and SSIS, which will be the platform that gets our data from our Oracle databases, puts it in a warehouse hosted by the SQL 2012 instance, and is put into cubes. What's getting me about the platform is licensing for Reporting Services and PowerPivot. My plan was to install SSRS and PowerPivot on the current SharePoint server. But my understanding of the licensing means that instead of the new SQL server being licensed, I'd have to license both new server, and the SharePoint server. Conversely, I could install SharePoint onto the SQL server, and only have to get a second SP license, but then I'd have the added complexity of deploying a separated application server, and combines my data and application servers. Is my licensing understanding correct, or can I have SSRS and PowerPivot installed separately without incurring additional licensing costs?

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  • How to host 50 domains/sites with common Django code base

    - by Off Rhoden
    I have 50 different websites that use the same layout and code base, but mostly non-overlapping data (regional support sites, not link farm). Is there a way to have a single installation of the code and run all 50 at the same time? When I have a bug to fix (or deploy new feature), I want to deploy ONE time + 1 restart and be done with it. Also: Code needs to know what domain the request is coming to so the appropriate data is displayed.

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