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• Taking ownership of trustedinstaller files?

  - by P a u l

  vista32-sp1: I am unable to delete some files on my system that were installed with 'special permissions' by 'trustedinstaller'. I find the usual help suggestion to use 'takeown' is not working, all I get is access denied. I refuse to believe there isn't some way to delete these files, or that microsoft has finally acheived their perfect security filesystem. This is NOT a case of a file being locked by a process. If this is all it was, I could solve this by myself. I know there are some recommended unlocking programs and they might do some sort of file system trick, but I would like to know what my possible direct actions might be. If a 3rd party program can 'unlock' a file, I want to know the mechanism. But like I said 'takeown' at the command line is not working for this.

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• Network vulnerability and port scanning services

  - by DigitalRoss

  I'm setting up a periodic port scan and vulnerability scan for a medium-sized network implementing a customer-facing web application. The hosts run CentOS 5.4. I've used tools like Nmap and OpenVAS, but our firewall rules have special cases for connections originating from our own facilities and servers, so really the scan should be done from the outside. Rather than set up a VPS or EC2 server and configuring it with various tools, it seems like this could just be contracted out to a port and vulnerability scanning service. If they do it professionally they may be more up to date than something I set up and let run for a year... Any recommendations or experience doing this?

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• Following Domain Driven Design with MVVM/WPF

  - by msfanboy

  Hello, I have plain POCOs here and as INotifyPropertyChanged is a Interface for the Views need its implemented in the ViewModel not the Model. Now I want to show validation errors in the View beside every textbox the user typed in data. I do not want to implemented the IDataErrorInfo interface in my Models because lets assume I am not allowed to touch them as they come from another Service/Supplier. I do not want to put my IsCustomerFirstNameLenthValid Method into the Model because I could not have access to it or I just dont want to pollute my Models with interface`s having nothing to do there! How can I validate my naked POCO`s in the ViewModel and forward the results to the View by showing validation errors ?

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• The downsides of using nginx as a primary web server?

  - by FractalizeR

  Hello. I've seen millions of websites using nginx as a proxifying webserver working together with Apache. But I've seen very few servers running nginx only as their default webserver. What are the main downsides of such config? I can see some: Inability to use per-directory config files like .htaccess so every configuration change should be done to main server config file and requires server reload. But pecl htscanner can compensate them for php settings Unavailability of mod_php for nginx, which can be compensated by php-fpm for example. What are others? Why don't people just drop Apache and move to nginx or any other lightweight solution? May be, there are some special reasons?

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• How to change Arrow Keys Behavior?

  - by SO give me back my rep

  Hi, I am doing a cool menu (sorta XMB) to give a fresh touch to my app... I add all of the elements on the menu programatically via DB. the menu is designed for easy use with arrows keys but I have encountered a major problem!!! by default when I press the arrow keys they only change the focus based on the tabindex and what I need is to change focus based on position of the controls not on their tabindex hope it is clear... see pic!!! so, Is there any way to do this?

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• iOS6 MKMapView using a ton of memory, to the point of crashing the app, anyone else notice this?

  - by Jeremy Fox

  Has anyone else, who's using maps in their iOS 6 apps, noticing extremely high memory use to the point of receiving memory warnings over and over to the point of crashing the app? I've ran the app through instruments and I'm not seeing any leaks and until the map view is created the app consistently runs at around ~3mb Live Bytes. Once the map is created and the tiles are downloaded the Live Bytes jumps up to ~13mb Live Bytes. Then as I move the map around and zoom in and out the Live Bytes continuos to climb until the app crashes at around ~40mb Live Bytes. This is on an iPhone 4 by the way. On an iPod touch it crashes even earlier. I am reusing annotation views properly and nothing is leaking. Is anyone else seeing this same high memory usage with the new iOS 6 maps? Also, does anyone have a solution?

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• Remove server from loadbalancer [on hold]

  - by Cris

  Our datacenter is load balancing the traffic to our weblogic servers based on an application deployed on each server called probe.ear It is a simple java app which is accessed by the loadbalancer and if it accessible it will redirect traffic to this server as well. When we want to remove one node from the loadbalancer we just stop the probe app and new traffic is not redirected to it BUT I am asking myself what about the current requests? The responses for the current requests are executed (completed). I did not had time to test (will do that first thing when go back to work) but on theoretical level for me it make sense to do so unless the loadbalancer has some special settings. Does my reasoning make sense to you? Just to make it clear since it was reported the question is not clear. Is there a way to configure a load balancer in a way that from a specific moment will not redirect traffic to a certain server without reseting the current requests ?

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• How can I access the external microphone with Ubuntu?

  - by Charles Merriam

  Sound in Ubuntu, it has its own special joy. I would like my external microphone to work. Symptoms: I can play sound through the speakers I can play sound through the headsets. Plugging and and plugging headphone output correctly switches. I can record from the built-in microphone, using "Sound Recorder" and others. but: I cannot record from the external microphone. My Sound Preferences/Input panel has no option for an external microphone. If the answer is upgrade the ALSA drivers, please say exactly what to type. Thank you. ======== I'm using Ubuntu 9.10 Karmic Koala on a laptop (Gateway W3501), Sigmatel. That is: ~$ head -1 /proc/asound/card0/code* ==> /proc/asound/card0/codec#0 <== Codec: SigmaTel STAC9205 ==> /proc/asound/card0/codec#1 <== Codec: Conexant ID 2c06 ~$ lspci | grep -i audio 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)

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• What could cause a button on a UIActionSheet to "miss" on touches?

  - by Alex Gosselin

  I have a UIActionSheet as follows: UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:[NSString stringWithFormat: @"Cancel New %@? Changes will be lost.", [creator propertyName]] delegate:self cancelButtonTitle:@"Stay Here" destructiveButtonTitle:@"Discard and Close" otherButtonTitles:@"Save and Close", nil]; [sheet showInView:self.view]; [sheet release]; It creates the action sheet, The buttons display, the Destructive button is on top, cancel button is on the bottom, other button (save and close) shows up in the middle, the top two buttons, (destructive and other) work fine, but the bottom button has a gap, so it is farther down than the other buttons. For some reason though, in order to press the button I need to touch where it would be if there was no gap. Touching the actual button doesn't work. Sorry if this isn't super clear, has anyone encountered something like this? I don't like to whip out the "I found a bug" card too fast, maybe I'm doing something wrong here.

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• How much more complex is it to draw simple curves, lines and circles in OpenGL ES rather than in Qua

  - by mystify

  Is OpenGL ES really so much faster? Why? And is it really so horrible complicated to draw such simple things in OpenGL ES compared to drawing these in Quartz 2D? For example, I have a UIView subclass with -drawRect: implemented, where I draw some lines, curves and circles. Just simple paths, with some shadow. What would I do in OpenGL ES? Isn't there this nice EAGLView layer thing? One thing that comes to mind is how do touch events go into OpenGL ES? Maybe that's the complex thing about it? Are there tutorials on basic drawing operations in OpenGL ES?

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• How to read a Text File Hidden Characters?

  - by balexandre

  I've created a text file from an application that I developed. When I send the text file to a SYSTEM Validation, they (3rd Party System) say that the file is invalid and that the file contains 3 characters in the beginning of the file that are not allowed as well special characters are not correct. They also say I need to use either ISO 8859-1 or PC850 Well, I'm using Notepad++ and I can't see that at all! What is the best text file reader for this kind of problems? EDITED I also have a Mac and just thought I remembered opening in TextMate ... WOW! Now I know what they are talking about! How can I have the same in Windows?

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• NIC bonding with two uplinks

  - by Karolis T.

  Is bonding the preferred way of implementing ISP redundancy? In the texts I've seen, bond device has a netmask, gateway of it's own. How can this be obtained if there are two different gateways from two uplinks, which one to choose? Do I need any special routing rules to go with it or does simply configuring separate interfaces (using Debian, /etc/network/interfaces), i.e eth1, eth2 for their corresponding uplinks and bonding them to bond0 handle routing automatically? If I want to NAT client machines, do they use bond device's IP as a gateway? Does the bond0 device is the device that goes into iptables nat rules? Thanks

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• Questions about linux root file system.

  - by smwikipedia

  I read the manual page of the "mount" command, at it reads as below: All files accessible in a Unix system are arranged in one big tree, the file hierarchy, rooted at /. These files can be spread out over several devices. The mount command serves to attach the file system found on some device to the big file tree. My questions are: Where is this "big tree" located? Suppose I have 2 disks, if I mount them onto some point in the "big tree", does linux place some "special marks" in the mount point to indicate that these 2 "mount directories" are indeed seperate disks?

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• WPF Animate a Matrix using interpolation

  - by Mark

  I'm having a issue with my application that is using touch gestures to scale, translate and rotate my scene. I was using a TransformGroup which contained TranslateTransform, ScaleTransform and a RotateTransform but I could not get the movement correct, it always jumps and skips, so I moved to a MaxtrixTransform which I was able to use much easier to get my scene to be zoomable, rotatable and panable nicely. However, what I later found out was that you cannot animate smoothly (using interpolation) the values of a Matrix, for what reason I have no idea, but its part of the MSDN doco and the properties of the Matrix are not dependency properties anyways... Has anyone had any luck animating a matrix to make it smooth? The only idea(s) I have had is to animate a few different, custom DP which all have callbacks that I update the matrix from OR To convert the matrix to a set of Transform objects that I then animate and then afterwords convert back. Is there a smarter way to do this?

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• Nginx Restart Issues

  - by heavymark

  All of the sudden when restarting Nginx I get the following error: Restarting nginx: [alert]: could not open error log file: open() "/var/log/nginx/error.log" failed (13: Permission denied) 2011/02/16 17:20:58 [warn] 23925#0: the "user" directive makes sense only if the master process runs with super-user privileges, ignored in /etc/nginx/nginx.conf:1 the configuration file /etc/nginx/nginx.conf syntax is ok 2011/02/16 17:20:58 [emerg] 23925#0: open() "/var/run/nginx.pid" failed (13: Permission denied) configuration file /etc/nginx/nginx.conf test failed On the front end part of the site loads but some files such as the CSS in particular are not loading. They exist on the server but when loading the resources directly in Chrome they say "Oops this page can't be found." I set a special group and user to run my apache files using suexec for my domain files. I think the nginx are owned by root however which I'm assuming is the problem but which nginx file ownerships would I change?

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• Cheapest Embedded System with Wireless Connectivity?

  - by geeko

  Problem: I'm trying to capture some information coming from keyboard, mouse and barcode reader connected to some PC via PS/2, USB and/or RS-232, before information get to PC and send it over the Internet to some central server. I'm thinking to do so by using some kind of hardware interface (middleware, if you like) between PC and input devices. I thought this interface can be embedded PC, PDA or simply some mobile phone with wireless connectivity. PS/2 and RS-232 could be converted to USB using some USB convector/hub that connects to one of these interface systems. Then some special API programming take place to communicate between PC, input devices and wireless server, in the form of application running on the interface system. What's the cheapest solution that can achieve this? Or possibly any other solution?

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• What is IPKVM and why would I need that to install SQL Server on my Web Server?

  - by Eric

  Hello. I have a dedicated server, and will be installing SQL Server. However, my hosting company said they can connect an external CD ROM drive and give me KVM over IP to install SQL Server. My question is, what is IPKVM, and how does it work? Do I need special hardware or software on my side to use it....or do I just connect via remote desktop? Also, why can't I remote into my server through remote desktop instead of using KVM over IP?

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• How to rename folder? Folder in use [closed]

  - by Colonel Panic

  Possible Duplicate: Deleting folders give access denied error message on Windows 7, although I am administrator I am trying to rename a folder, but apparently it is in use. I don't think it is. I'd like to rename my folder. How can I do that? This happens regularly, and at random, particularly in my music folder. I'd like to know the cause and fix that. Rather than workaround with some special tool whenever I want to rename a file.

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• Unknow Linking Error

  - by Nathan Campos

  I'm developing my own OS, but for this I need to touch on linking, then I've done this linking script to build it: ENTRY (loader) SECTIONS{ . = 0x00100000 .text : { *(.text) } .bss : { sbss = .; *(COMMON) *(.bss) ebss = .; } } .data ALIGN (0x1000) : { start_ctors = .; *(.ctor*) end_ctors = .; start_dtors = .; *(.dtor*) end_dtors = .; *(.data) } But when I try to link the things, I got some errors $ ld -T linker.ld -o kernel.bin loader.o kernel.o ld:linker.ld:5: syntax error $ What can I do?

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• Connect two UIScrollView's together

  - by johnw188

  Here's a tricky iPhone problem I've been working on. I have three UIScrollViews on a page, one that only scrolls horizontally, one that only scrolls vertically, and one that scrolls both horizontally and vertically. I want to lock the views together, so that the horizontal location of the horizontal only scrollview matches the horizontal location of the main scrollview, and the vertical scrollview likewise, so that dragging the main scrollview around controls the horizontal and vertical scrollviews. Problem is, I'm completely stumped. I've looked around inside the apple documentation, but there doesn't seem to be any way to do this officially. One thought that I had was to somehow "clone" any touch on any of the scrollviews to a point on the other two, but I have no idea how to do this. If anyone has any thoughts on this, I'd very much appreciate it.

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• How to create a backup from SqlAlchemy?

  - by swilliams

  I'm writing a Pylons app, and am trying to create a simple backup system where every table is serialized and tarred up into a single file for an administrator to download, and use to restore the app should something bad happen. I can serialize my table data just fine using the SqlAlchemy serializer, and I can deserialize it fine as well, but I can't figure out how to commit those changes back to the database. In order to serialize my data I am doing this: from myproject.model.meta import Session from sqlalchemy.ext.serializer import loads, dumps q = Session.query(MyTable) serialized_data = dumps(q.all()) In order to test things out, I go ahead and truncation MyTable, and then attempt to restore using serialized_data: from myproject.model import meta restore_q = loads(serialized_data, meta.metadata, Session) This doesn't seem to do anything... I've tried calling a Session.commit after the fact, individually walking through all the objects in restore_q and adding them, but nothing seems to work. What am I missing? Or is there a better way to do what I'm aiming for? I don't want to shell out and directly touch the database, since SqlAlchemy supports different database engines.

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• Link bonding across multiple switches?

  - by Bryan Agee

  I've read up a little bit on bonding nics with ifenslave; what I'm having trouble understanding is whether there is special configuration needed in order to split the bonds across two switches. For example, if I have several servers that all have two nics each, and two separate switches, do I just configure the bonds and plug 1 nic from each into switch #1 and the other from each into switch #2? or is there more to it than that? If the bonds are active-backup, will a nic failure on single machine mean that server may become disconnected since the rest of the machines are using the primary nic and it's using the secondary? Or do you link the switches with one cable as well?

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• Push origin master error on new repository.

  - by thaiyoshi

  I just started using git with github. I followed their instructions and ran into errors on the last step. I'm checking in an existing directory that isn't currently source-controlled (project about a week old). Other than that, my use case should be pretty run of the mill. Here's what's happening: $ git push origin master error: src refspec master does not match any. fatal: The remote end hung up unexpectedly error: failed to push some refs to '[email protected]:{username}/{projectname}.git' Github's instructions: Global setup: Download and install Git git config --global user.name "Your Name" git config --global user.email {username}@gmail.com Next steps: mkdir projectname cd projectname git init touch README git add README git commit -m 'first commit' git remote add origin [email protected]:{username}/{projectname}.git git push origin master

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• Tips on refactoring existing .net applications to support localization?

  - by Lee Warner

  We're going global. I've been tasked with refactoring our existing products to support localization. Last week I shunned using resource files (.resx) in favor of a home-baked database look-up method. After hitting a serious snag with that, I'm back to the microsoft way of using resx. All the documentation I've seen so far details how to create new "World-Ready" applications, but I don't see anything on changing existing applications. Is my only recourse to touch the application form by form and control by control to have it point to newly created resource files? Any good sources/links for internationalizing your apps?

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• Use router as external high powered Wi-Fi adapter

  - by skywinder

  I need a powerful external Wi-Fi adapter for a couple of days. I heard that some types of router support this mode, allowing me to connect the router to my notebook and just use it as an external Wi-Fi interface. Is it possible to connect a router as an external Wi-Fi adapter? How can I determine it? Updated: My purpose is to set the router to monitor mode and check networks around through my notebook to provide better configuration for my network (power, channels, etc). My internal notebook Wi-Fi adapter is too weak for this purpose. Should I use special drivers for that? If yes, can someone describe, step-by-step, how to do it? p.s. I want to use ASUS RT-N56U as an external Wi-Fi adapter on OS X or Ubuntu.

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