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• Windows Vista stuck on crcdisk.sys

  - by hristo

  Hello everyone, I'm here with some Vista-trouble. After a cigarette-break I returned to my desk to find my PC with a black screen, and after failing to wake it up did a forced restart. I haven't been installing any hardware or software for quite a while. Ever since, Vista gets stuck on the animated 'Microsoft Corporation' progress bar with the animation still running and no hard disk activity. With an F8 and safe-mode + prompt I saw that the boot gets stuck at crcdisk.sys. I'm running Vista64 SP1. What could the problem be? Any advice?

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• Preserve Font Size when scaling a Drawing

  - by serhio

  I do the following when drawing: Matrix m = new Matrix() m.Scale(_zoom, _zoom) e.Graphics.Transform = m e.Graphics.DrawLine(...) ' line representation e.Graphics.DrawString(...) ' line text Now, the text became also scaled. Is it possible to avoid it?

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• django + wsgi + suexec + userdir + apache?

  - by Jayen

  I've got a django 1.1 website I want to run in wsgi (as that seems to be the recommended deployment on apache). I want it to run as the www user (apache is running as www-data). I would ideally like this to work out of http://hostname/~www/ (~www/public_html) as well as http://virtualhostname/. I also want this to work for other users who may later use wsgi. Can I make this happen? I've been staring at docs trying to figure where to start, but I'm having trouble combining userdir and wsgi to let me run ~xxx/public_html/index.wsgi as user xxx, for every user xxx.

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• Setting up 802.1X wireless connection on OSX

  - by hizki

  I am an OSX user, I have Snow Leopard 10.6.5 and an updated AirPort. I am trying to connect to my university's wireless network, but it has a complex security that I am having trouble defining... Here there are instructions for connecting with Windows XP, Windows 7 and Linux. Can someone please instruct me what should I do to set up this network on my MAC? Thank you. P.S. I have had previous success in setting up this network, but I have no idea what I did that made it work. Since I updated my AirPort it worked only seldomly and very slowly... Before the update, even when it worked it never remembered my password.

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• Django grappelli

  - by dzen

  Does anyone here use django-grappelli here ? I would like to read some experience of developers or users, if there are common mistake to avoid or why you use or do not use grappelli. Thanks for sharing

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• Lack of example escaping special characters in struts2

  - by Dewfy

  Hello colleagues! Googling today I couldn't found sample or mentioning of best practice: how to escape user input in Struts2. Of course I can manually convert characters on validate() method, but it looks too obvious. So may be exists some automation to avoid code/script injection?

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• how can I create a list of classes in C3 to itterate over in a loop

  - by Jean-Bernard Pellerin

  example: Suppose I have class animal And classes cat and dog extending it I want to do something along the lines of foreach (animal a in {cat, dog}) if (a.isValid(parameters)) doStuff(); (couldn't get the code formatting to work) my only alternative is a switch statement for each class, something I'd like to avoid Thanks, J-B

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• Avoiding session hijacking with Kohana

  - by Toto

  Do I have to do anything special to avoid session hijacking using Kohana framework? (Assuming the session is manipulated only with the Kohana Session library) Thanks in advance

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• server shrinks html file to 0bytes on upload

  - by user38714

  Hi there, I have come across a very unusual problem. I am working on a website at the moment and whenever I upload a file to the server, it becomes a 0kb file. I have changed ftp software to filezilla to see would this help and it hasn't. I have compared it to other sites I am working on the permissions are the same numbers 0644 but on the site that I am having the trouble with the permissions have the prefix- flcdmpe(0644). Would this be the problem and if so any ideas how to change it?, changing the permissions doesn't work. I have been onto the host company and they cannot figure it out at all. Any help would be appreciated. Cheers Emma

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• How to clear stuck locked maildrop pop3 process

  - by Joshua

  I am using cyrus for imap and pop One of my users is getting the following error: Unable to lock maildrop : Mailbox is locked by POP server. I can see where it starts in the log. I've read that there is no physical lock file anymore (i've tried looking for it anyways) and that the solution is to just wait for the timeout, or kill the offending pop3 process. I know that this is happening because of a lossy connection on the part of the affected user, and that pop3 can only have 1 session active at a time. I need to manually clear the lock and I am having trouble finding the offending pop process. I have tried lsof, but it doesn't say how long the individual files (sockets) have been opened for. I've reduced the tcp keepalive time down to 5 mins, but I still need to reset this guy's lock. I could use some pointers. Thanks!

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• Freezing with black screen after booting OS with AMD Catalyst driver

  - by Oleg

  I have ATI Mobility Radeon HD 5470 on my HP laptop. A few weeks ago I was confused with a weird trouble in proprietary drivers for my graphics card. When I start X server (or just boot Windows) system sometimes totally hangs up with black screen. The most annoying thing is that issue appearing is absolutely random (2 success, 3 fails, 1 success, 7 fails, etc.). It appears both on Linux (Arch, Debian 7) and Windows XP. I've tried reinstalling OS, drivers, etc. I've also tried updating BIOS. Then boot was successful for the next few times and issue appeared again (probably it was just a coincidence, because another BIOS updates gave no results). I really don't know what to do. Any ideas?

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• ASP.NET, JQuery - Sharing regular expressions

  - by Steve

  If you have a fair number of regular expressions used by both client (javascript) and server side code (C#, vb.net) and want to store them in one place to avoid duplication, where do you store them? I could use registerscript and write out the regex as strings, but just wondering if there is something more elegant.

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• Qmail/Plesk email help

  - by Dotty

  Hay Guys. I'm using plesk with Qmail as an outgoing server. I've never used my plesk setup before to send emails. I usually use my ISP. I'm having a little trouble settng this up. I've created a simple email account, [email protected]. All is well, i setup my POP account in my mail client (apple mail) and i can receive mail. However i can't send any. These are the details im using smtp.mycrazydomain.com standard auth (i've tried SSL and non SSL) username: [email protected] password: mypassword However nothing has happened. Anyone got any ideas?

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• Prevent IIS7 HTTPS from binding to all SSL IP addresses

  - by robpaveza

  I've had this interesting problem with IIS7. I have a number of HTTPS sites in IIS7. That hasn't been a problem, until I wanted to go and set up VisualSVN Server using an SSL certificate. The installer had trouble starting the service. When I looked in the event log, the error was that "the file is already in use by another process." I figured that the "file" was really a socket, and checked with netstat - even though IIS was only bound to three specific IP addresses (.160, .156, and .168) with port 443, it was consuming *:443. I could stop the World Wide Web Publishing Service, start VisualSVN, and then start IIS, but then none of my SSL servers would start. Any helpful hints about how I could make IIS not try to default-bind to *:443? Thanks!!

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• Yii, yiic and console

  - by undsoft

  In the installation instructions for Yii it is nescessary to use console and command line utility - yiic. Well, on my shared hosting I don't have ssh access. This is why I have following questions: How often and for what reasons will I have to use console? Is there a way to avoid using yiic? May I run yiic on local server and then just transfer everything to the final web server? Thanks!

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• How to stop Bash appending history

  - by Craig

  I am having a lot of trouble setting up the terminal history of Bash the way I want. I would like to have no duplicate entries and if I enter a command I want it saved and the duplicates above removed. The problem is the history command shows me it is functioning the way I want however once I log out the duplicates come back again. I believe it is just appending the history to the existing one. I have these lines in my .bashrc file (~/.bashrc) HISTCONTROL=ignoreboth:erasedups shopt -u histappend I have even tried uncommenting shopt but it still appends the history on logout. How can I have the history be exactly how it is before I logout?

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• How to read Excel file using vb.net

  - by Mark

  How to read excel file using vb.net.. I have a code to read the excel file but suddenly it crashes the output when I deleted some rows in excel file.. The deleted rows was also outputted in my coded program. Can anyone help me on how to read excel file and ignore those deleted rows to avoid unexpected null output..

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• What's the pythonic way of declaring variables?

  - by the_drow

  Usually declaring variables on assignment is considered a best practice in VBScript or JavaScript , for example, although it is allowed. Why does Python force you to create the variable only when you use it? Since Python is case sensitive can't it cause bugs because you misspelled a variable's name? How would you avoid such a situation?

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• The problem of return reference to local variable

  - by skydoor

  I happened to find this code return 5. It's OK to write it this way or should definitely be avoid? int& f() { int i = 5; return i; } int main(){ cout<<f()<<endl; }

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• What could cause Vista machines to degrade in performance?

  - by gencha

  We have installed several machines running Windows Vista at a client site. These machines run the same set of applications each day and are not operated with by any user. They mainly run a 3D application for digital signage purposes. After a few months I noticed that several machines suffer from really bad stuttering. The performance is unacceptable. At first I figured it was faulty hardware. But after putting a fresh image on them, they run perfectly fine again. These are Core i7 machines with GTX 280 graphics adapters. They should be able to handle the workload without any trouble (and they do, at least for a while). I really have no idea how to track down the source of this issue. Especially since not all of the machines display the same issue.

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• How do I use the Windows API Code Pack in VB.net 2010 Express?

  - by Josh

  Hi all, I recently downloaded the Windows API code pack for .net, and seeing there was VB.net examples inside there, I opened them up. Upon building I get a warning that the referenced components 'Core' and 'Shell' could not be found. Looking in the code pack folder I see there are no DLLs at all, but instead a whole load of C# sources. Do I have to download C# Express (which I want to avoid) to use the code pack or are there precompiled DLLs somewhere?

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• How can my WiX uninstall restore a registry value change?

  - by Thomas

  The installer I'm writing using WiX 3.0 uses a RegistryValue element to modify an existing registry value (originally written by our main product). I'm trying to figure out a way to restore the registry value when the user uninstalls my utility. I'd like to avoid using a custom action, but that might be the only recourse? TIA.

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• To HTMLENCODE or not to HTMLENCODE user input on web form (asp.net vb)

  - by Phil

  I have many params making up an insert form for example: x.Parameters.AddWithValue("@city", City.Text) I had a failed xss attack on the site this morning, so I am trying to beef up security measures anyway.... Should I be adding my input params like this? x.Parameters.AddWithValue("@city", HttpUtility.HtmlEncode(City.Text)) Is there anything else I should consider to avoid attacks? Thanks

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• MVC 2 Validation without BuddyClasses

  - by Muhammad Adeel Zahid

  Hello EveryOne, i m using asp.NET MVC 2 for my current project and i need to validate form fields both on client and server side. for that i started with DataAnnotations. Now, i figure out that i have to write buddy class for every model or i have to go to designer generated code and put my annotations there (not a good idea though). if someone can suggest me a solution that helps me avoid writing those buddy classes and get the same functionality. Regards Adeel

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• Are hash collisions with different file sizes just as likely as same file size?

  - by rwmnau

  I'm hashing a large number of files, and to avoid hash collisions, I'm also storing a file's original size - that way, even if there's a hash collision, it's extremely unlikely that the file sizes will also be identical. Is this sound (a hash collision is equally likely to be of any size), or do I need another piece of information (if a collision is more likely to also be the same length as the original). Or, more generally: Is every file just as likely to produce a particular hash, regardless of original file size?

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