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• deb package building

  - by newcode

  While trying to build a package, I gave the following command in terminal: cd Downloads/src/ cd unity-5.10.0/ dpkg-buildpackage -rfakeroot -uc -b Then it gives the output: dpkg-buildpackage: export CFLAGS from dpkg-buildflags (origin: vendor): -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security dpkg-buildpackage: export CPPFLAGS from dpkg-buildflags (origin: vendor): -D_FORTIFY_SOURCE=2 dpkg-buildpackage: export CXXFLAGS from dpkg-buildflags (origin: vendor): -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security dpkg-buildpackage: export FFLAGS from dpkg-buildflags (origin: vendor): -g -O2 dpkg-buildpackage: export LDFLAGS from dpkg-buildflags (origin: vendor): -Wl,-Bsymbolic-functions -Wl,-z,relro dpkg-buildpackage: source package unity dpkg-buildpackage: source version 5.10.0-0ubuntu6 dpkg-buildpackage: source changed by Didier Roche <[email protected]> dpkg-buildpackage: host architecture i386 dpkg-source --before-build unity-5.10.0 dpkg-checkbuilddeps: Unmet build dependencies: libutouch-grail-dev (>= 1.0.20) libutouch-geis-dev (>= 2.0.10) dpkg-buildpackage: warning: Build dependencies/conflicts unsatisfied; aborting. dpkg-buildpackage: warning: (Use -d flag to override.) Then I tried to install the package using: cd.. sudo dpkg -i *deb And it gives: [sudo] password for harshnarang8: dpkg: error processing *deb (--install): cannot access archive: No such file or directory Errors were encountered while processing: *deb What is exactly causing the problem and how to encounter it?

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• Achieve anisotropic filtering

  - by fedab

  I want to set anisotropic filtering to my scene. I use SharpDX (DirectX 11) and C#. How do i set up anisotropic filtering in my shader? Currently i try that in the shader: Texture2D tex; sampler textureSampler = sampler_state { Texture = (tex); MipFilter = Anisotropic; MagFilter = Anisotropic; MinFilter = Anisotropic; MaxAnisotropy = 16; }; float4 PShader(float4 position : SV_POSITION, float4 color:COLOR, float2 tex0 : TEXCOORD0) : SV_TARGET { float4 textureColor; textureColor = tex.Sample(textureSampler, tex0) * color; return textureColor; } I get my object, textured, but it is not filtered anisotropic. I can write everything in the Parameters, even invalid things and i don't get any errors. The result is the same, objects without applied anisotropic filtering. Do i have to set that in the shader? Can i do that also with SamplerState? I tested that but i didn't get a result too. Some steps what i have to set would be helpful.

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• Slightly off topic - How to Fix Sky Go Error [t6013-c1501] (and [t6000-c1501])

  - by bconlon

  Sky doesn't seem to understand what their own errors mean, so I cobbled together an understanding from some other posts and managed to get it working.When you see the error [t6013-c1501] instead of your TV programme in Sky Go, it seems to mean:'You registered a device, but then changed the hardware, so now I'm confused!'In other words, the Digital rights management (DRM) used between Sky Go and Silverlight stored an old fingerprint of your PC, but rather than recognising this and allowing you to remove the device, it just disappears from the 'Manage Devices' page.DISCLAIMER: Perform the following steps at your own risk. It worked for me, but I didn't care if it broke stuff. If you care....don't do it!So, to fix this I did the following:1. Login to Sky Go and click 'Watch live TV' from the home page. It will attempt to show Sky News and fail with the error [t6013-c1501].2. Right click on the error and you should see the Menu option 'Silverlight'. Select this and a dialog should appear. Click the 'Application Storage' tab and delete any entry that relates to sky go. Clcik OK to close the dialog.3. Open explorer and navigate to the folder C:\ProgramData\Microsoft\PlayReady4. Rename the file mspr.hds to mspr.hds.OLD5. Go back to the browser and click F5. You may need to logout/login (not sure).Note: Don't rename/delete the folder C:\ProgramData\Microsoft\PlayReady or you will get the error [t6000-c1501]. The folder must exist in order for the new file to be created by Silverlight. Techie talk:So whoever wrote the code to create a new mspr.hds file didn't write code to check the folder existed causing what I assume is a generic error t6000, probably something like:catch (Exception ex) { WriteToLog("Oops, something broke!"); }#

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• Can I install 12.04 packages on 11.10?

  - by Jason R

  I'm running 11.10 and am trying to apply the fix to this bug in Empathy, shown at the very bottom. There is an updated package for the offending component available in the Precise repository, and someone even posted a backported .deb package for use on Oneiric. However, when I try to install that package, it seems to have a dependency on a package that isn't available for Oneiric: (Reading database ... 254452 files and directories currently installed.) Preparing to replace telepathy-indicator 0.0.7-0ubuntu1 (using telepathy-indicator_0.1.1-0ubuntu1_amd64.deb) ... Unpacking replacement telepathy-indicator ... dpkg: dependency problems prevent configuration of telepathy-indicator: telepathy-indicator depends on libunity9 (>= 3.4.6); however: Package libunity9 is not installed. dpkg: error processing telepathy-indicator (--install): dependency problems - leaving unconfigured Errors were encountered while processing: telepathy-indicator The person who posted the backported telepathy-indicator package indicated that it depends upon libunity-dev-5.0; the latest version in the Oneiric repositories is a 4.0 vintage. I also can't find a libunity9 available for Oneiric, so I'm wondering: is it possible to just add the Precise repository to my list and pull the updated packages from there, or should I not expect that they would operate correctly?

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• Is it okay to use a language that isn't supported by your company for some tasks?

  - by systempuntoout

  I work for a company that supports several languages: COBOL, VB6, C# and Java. I use those languages for my primary work, but I often find myself to coding some minor programs (e.g. scripts) in Python because I found it to be the best tool for that type of task. For example: An analyst gives me a complex CSV file to populate some DB tables, so I would use Python to parse it and create a DB script. What's the problem? The main problem I see is that a few parts of these quick & dirty scripts are slowly gaining importance and: My company does not support Python They're not version controlled (I back them up in another way) My coworkers do not know Python The analysts have even started referencing them in email ("launch the script that exports..."), so they are needed more often than I initially thought. I should add that these scripts are just utilities that are not part of the main project; they simply help to get trivial tasks done in less time. For my own small tasks they help a lot. In short, if I were a lottery winner to be in a accident, my coworkers would need to keep the project alive without those scripts; they would spend more time in fixing CSV errors by hand for example. Is this a common scenario? Am I doing something wrong? What should I do?

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• Sound not working with Ubuntu 12.10 clean install

  - by ZooRocket

  Did a clean install of Ubuntu 12.10 from 12.04 and the sound is not working now. In 12.04 it worked out of the box. I ran hwinfo --sound > hal.1: read hal dataprocess 4222: arguments to dbus_move_error() were incorrect, assertion "(dest) == NULL || !dbus_error_is_set ((dest))" failed in file ../../dbus/dbus-errors.c line 282. This is normally a bug in some application using the D-Bus library. libhal.c 3483 : Error unsubscribing to signals, error=The name org.freedesktop.Hal was not provided by any .service files 10: PCI 1b.0: 0403 Audio device [Created at pci.318] Unique ID: u1Nb.ekgK5auW5RA SysFS ID: /devices/pci0000:00/0000:00:1b.0 SysFS BusID: 0000:00:1b.0 Hardware Class: sound Model: "Intel 82801G (ICH7 Family) High Definition Audio Controller" Vendor: pci 0x8086 "Intel Corporation" Device: pci 0x27d8 "82801G (ICH7 Family) High Definition Audio Controller" SubVendor: pci 0x1028 "Dell" SubDevice: pci 0x01de Revision: 0x01 Memory Range: 0xfdffc000-0xfdffffff (rw,non-prefetchable) IRQ: 11 (no events) Module Alias: "pci:v00008086d000027D8sv00001028sd000001DEbc04sc03i00" Driver Info #0: Driver Status: snd_hda_intel is active Driver Activation Cmd: "modprobe snd_hda_intel" Config Status: cfg=new, avail=yes, need=no, active=unknown Not sure how to proceed to fix this. Has also worked prior to this version.

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• Why do I get a blinking screen when running lwjgl?

  - by SystemNetworks

  I didn't have any errors. But When I run my lwjgl game, it gives me a blinking screen. Here is the code: package L1F3; import org.lwjgl.opengl.Display; import org.lwjgl.opengl.DisplayMode; import org.lwjgl.LWJGLException; import static org.lwjgl.opengl.GL11.*; public class Main { public static void main(String[] args) { try { Display.setDisplayMode(new DisplayMode(640, 480)); Display.setTitle("A fresh display!"); Display.create(); } catch (LWJGLException e) { e.printStackTrace(); Display.destroy(); System.exit(1); } while(!Display.isCloseRequested()) { Display.update(); } Display.destroy(); System.exit(0); } } How do I stop the blinking screen? I was thinking its my framerate. I deleted Display.sync but it still gives me all white and black. Last time it didn't give me a blinking screen. EDIT When I remove Display.update() , it gives me a perfect screen, no blinking or no white. Will my game work without it? I can also close it perfectly.

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• Directx vs XNA - Which is better for me? [closed]

  - by tristo

  Recently I got Visual Studio 2012 from visual studio 2010, although did not expect Visual Studio to 2012 to designed the way it was. Anyway I am pleased with some of VS 2012 technology and have moved all of my projects to it. At this point of time since I got VS 2012 I have been into making windows applications and other non-game activities. ALTHOUGH have recently gotten into the spirit of game development and I am planning to make a 3d comical game, shader effects, not too complicated meshes, but it requires alot of lighting effects to emphasise certain parts of the game. When I was using VS 2010 I had a great time making 2d games with XNA, it uses a great language, and has a very awesome system. But I no longer have XNA with me, and the workarounds described in stackoverflow always gives me errors while using xna. Anyway it seems that microsoft have stuffed themselves up with xna anyway with the weirdness of Windows 8, and it being only avaliabe on pc and xbox. Due to these reasons I have decided to work with Directx and Direct3d to produce my new game, although the overflowing credits after each directx game gives me the shivers, and the low-level coding of directx also puts me on thin ice with my games, left in a confusional mess with what decision I should make. I don't know anything about directx or direct3d. I am an indie developer, but I am planning to take on alot of professional aspects of games. I don't have heaps of time(2-3 hours a day) I don't mind the complexity of how directx works, as long as I can learn how to make the fundementals of a game in a week. I am also unsure if directx is really for my situation, and keep with xna game development. Anyone can tell me the best technology for me would be great.

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• Ubuntu Dependency Problem in Activity log Manager

  - by Incredible

  incredible@incredible-Inspiron-N5010:~$ sudo apt-get -f install [sudo] password for incredible: Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: activity-log-manager The following packages will be upgraded: activity-log-manager 1 upgraded, 0 newly installed, 0 to remove and 287 not upgraded. 1 not fully installed or removed. Need to get 0 B/60.3 kB of archives. After this operation, 29.7 kB disk space will be freed. Do you want to continue [Y/n]? y dpkg: dependency problems prevent configuration of activity-log-manager: activity-log-manager depends on activity-log-manager-common (= 0.9.4-0ubuntu3); however: Version of activity-log-manager-common on system is 0.9.4-0ubuntu3.1. activity-log-manager-control-center (0.9.4-0ubuntu3.1) breaks activity-log-manager (<< 0.9.4-0ubuntu3.1) and is installed. Version of activity-log-manager to be configured is 0.9.4-0ubuntu3. dpkg: error processing activity-log-manager (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: activity-log-manager E: Sub-process /usr/bin/dpkg returned an error code (1)

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• Compilation problem [closed]

  - by Misery

  I am trying to compile a program called Triangle Mesh Generator. It is an open source code written in ANSI C. I need it to bo a callable lib so I am using a switch (#define) created by it's Author. However I get this error: /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu/crt1.o: In function `_start': collect2: ld returned 1 exit status make: *** [triangle] Error 1 I am not sure why such an error occurs. Worth adding is that compiling it as a stand alone program is succesful. I am using GCC on 12.04. The lines quoted above constitute the total output. What I put in the terminal is just make in the proper folder. There are no other errors, warnings, or other messages. Link to the sources I found some additional instructions. I'll get back after reading them :] EDIT: I have found some additional instructions that let me compile it. Thanks for help. I am closing question right now. Regards

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• My home partition slowly fills up until the system is unable to complete even simple tasks

  - by user973810

  So I have an awesome configuration on my home pc. My /home directory has its own partition. My home partition slowly fills up until the system is unable to complete even simple tasks. For example, when this issue has occured, I can load up firefox. It just pops up an error message saying that it cannot be done. Rebooting solves the issue. The strange thing is, I've run baobab and it doesn't notice a problem. There should be hundreds of gigabytes of data somewhere, but it doesn't see it. Does anyone have any idea of how I might troubleshoot this issue? I'm thinking I could do lsof but I've always found the output of that to be too much information. Maybe my drive is, like, dying. Edit: is there a /home analog of /var that gets cleared out at boot time? Maybe I could check in there next time I notice this problem to see if I can divine what's up. Update: I found the issue. my .xsession-errors file is filling up with Authentication deferred - ignoring client message Is there a way I can see what is causing this error and fix it?

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• recovering raid 0 hard disk

  - by Hiawatha

  I bumped to a huge (for me) problem. I was running dual boot system (win 7 / linux) and at some point I decided to test fedora ( I am new in Linux ). My hard disk conf: 3 hard disks each 1 TB, 2 set to raid 0 with windows running on it and 1 for linux. After installing it from live usb I found out that windows 7 is not in grub anymore and while booting shows raid error. I installed back Ubuntu and ran Disk Utility and checked now I have one disks (raid 0) failed (READ) error. First has 5 bad sectors and second has 1 bad sector. And now I dont know what to do and how to repair. further I dont know which data i could provide to get help. I tried ntfsfix and got this output: Mounting volume... NTFS signature is missing. FAILED Attempting to correct errors... NTFS signature is missing. FAILED Failed to startup volume: Invalid argument NTFS signature is missing. Trying the alternate boot sector Unrecoverable error Volume is corrupt. You should run chkdsk. #sudo ntfs-3g -o force,rw /dev/sdb /media/windows NTFS signature is missing. Failed to mount '/dev/sdb': Invalid argument The device '/dev/sdb' doesn't seem to have a valid NTFS. Maybe the wrong device is used? Or the whole disk instead of a partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?

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• Google Indexing Issue after htaccess changes

  - by Klement

  I have a site called www.FuneralCoverFinder.co.za. I have about 30 pages on the site and usually have 29 indexed. (Excluding 15 blog posts) They are new. I recently upgraded my entire site and made some redirection changes in my .htaccess file. I have made my url's more SEO friendly (Removing index.php/) and redirecting dead pages to working pages. I have tons of unique content all checked by grammarly and plagium to ensure I have no duplicate content. I have since resubmited my sitemap to Google and now have only one page indexed. It was within a couple of minutes. I usually see results almost immediately after submitting, now it's stuck on 1 page indexed. I assume I might have made errors in the .htaccess file as this was my first attempt. The site runs perfectly and all the url's redirect the way they should. I'm scared I have some or other loop, although the website runs fine. I still see many of my old indexed pages in the SERP's, I'm just worried that the issue with the new sitemap can cause my rankings some harm. My website is pretty SEO optimized onsite. I have about 1500 indexed backlinks and have been building them steadily over about half a year. I would really appreciate some clarity on this matter.

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• maxItemsInObjectGraph limit required to be changed for server and client

  - by Michael Freidgeim

  We have a wcf service, that expects to return a huge XML data. It worked ok in testing, but in production it failed with error  "Maximum number of items that can be serialized or deserialized in an object graph is '65536'. Change the object graph or increase the MaxItemsInObjectGraph quota."The MSDN article about   dataContractSerializer xml configuration  element  correctly  describes maxItemsInObjectGraph attribute default as 65536, but documentation for of the DataContractSerializer.MaxItemsInObjectGraph property and DataContractJsonSerializer.MaxItemsInObjectGraph Property are talking about Int32.MaxValue, which causes confusion, in particular because Google shows properties articles before configuration articles.When we changed the value in WCF service configuration, it didn't help, because the similar change must be ALSO done on client.There are similar posts:http://stackoverflow.com/questions/6298209/how-to-fix-maxitemsinobjectgraph-error/6298356#6298356You need to set the MaxItemsInObjectGraph on the dataContractSerializer using a behavior on both the client and service. See  for an example.http://devlicio.us/blogs/derik_whittaker/archive/2010/05/04/setting-maxitemsinobjectgraph-for-wcf-there-has-to-be-a-better-way.aspxhttp://stackoverflow.com/questions/2325321/maxitemsinobjectgraph-ignored/4455209#4455209 I had forgot to place this setting in my client app.config file.http://stackoverflow.com/questions/9191167/maximum-number-of-items-that-can-be-serialized-or-deserialized-in-an-object-graphttp://stackoverflow.com/questions/5867304/datacontractjsonserializer-and-maxitemsinobjectgraph?rq=1 -It seems that DataContractJsonSerializer.MaxItemsInObjectGraph has actual default 65536, because there is no configuration for JSON serializer, but  it complains about the limit.I believe that MS should clarify the properties documentation re default limit and make more specific error messages to distinguish server side and client side errors.Note, that as a workaround it's possible to use commonBehaviors section which can be defined only in machine.config:<commonBehaviors> <behaviors> <endpointBehaviors> <dataContractSerializer maxItemsInObjectGraph="..." /> </endpointBehaviors> </behaviors></commonBehaviors>v

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• My new hard drive won't automount on boot

  - by user518

  I installed a new hard drive right before installing the new Ubuntu 11.10 by reformatting, not upgrading. I was able to mount my drive, and partition it. It's a 1TB, and I was able to transfer all of my music, and videos to it. For some reason, it won't mount on boot, and I can't figure out how to manually mount it afterwards either. Here's my current /etc/fstab: # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name devices # that works even if disks are added and removed. See fstab(5). # # proc /proc proc nodev,noexec,nosuid 0 0 # / was on /dev/sda1 during installation UUID=e0fbdf09-f9a0-4336-bac3-ba4dc6cfbcc0 / ext4 errors=remount-ro,user_xattr 0 1 # swap was on /dev/sda5 during installation UUID=adf15180-c84c-4309-bc9f-085fd7464f89 none swap sw 0 0 /dev/sdc1 /media/sdc1 ext4 defaults 0 0 The last line is what I added for my hard drive. Here's the output from sudo lshw -C disk: % sudo lshw -C disk ~ *-disk:0 description: ATA Disk product: ST3250310AS vendor: Seagate physical id: 0 bus info: scsi@2:0.0.0 logical name: /dev/sda version: 3.AD serial: 6RYBF2QE size: 232GiB (250GB) capabilities: partitioned partitioned:dos configuration: ansiversion=5 signature=000da204 *-cdrom description: DVD-RAM writer product: DVD+-RW DH-16A6S vendor: PLDS physical id: 0.0.0 bus info: scsi@4:0.0.0 logical name: /dev/cdrom logical name: /dev/cdrw logical name: /dev/dvd logical name: /dev/dvdrw logical name: /dev/scd0 logical name: /dev/sr0 version: YD11 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=nodisc

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• ASP.NET MVC Cookbook - public review

  - by asiemer

  I have recently started writing another book.  The topic of this book is ASP.NET MVC.  This book differs from my previous book in that rather than working towards building one project from end to end - this book will demonstrate specific topics from end to end.  It is a recipe book (hence the cookbook name) and will be part of the Packt Publishing cookbook series.  An example recipe in this book might be how to consume JSON, creating a master /details page, jquery modal popups, custom ActionResults, etc.  Basically anything recipe oriented around the topic of ASP.NET MVC might be acceptable.  If you are interested in helping out with the review process you can join the "ASP.NET MVC 2 Cookbook-review" group on Google here: http://groups.google.com/group/aspnet-mvc-2-cookbook-review Currently the suggested TOC for the project is listed.  Also, chapters 1, 2, and most of 8 are posted.  Chapter 5 should be available tonight or tomorrow. In addition to reporting any errors that you might find (much appreciated), I am very interested in hearing about recipes that you want included, expanded, or removed (as being redundant or overly simple).  Any input is appreciated!  Hearing user feedback after the book is complete is a little late in my opinion (unless it is positive feedback of course). Thank you!

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• Ubuntu 12.10 hotkeys not working properly [closed]

  - by Sly

  A couple of weeks ago, I ran a distribution upgrade from 12.04 to 12.10. Unfortunately, something has seemed to happen with the hotkeys on the system. At first, I thought that maybe this was just a glitch with the global hotkeys. That didn't turn out to be the case, as the custom hotkey I added into the Ubuntu settings works for my editor. The only default hotkey that seems to have a problem launching is CTRL+ALT+T (Terminal). This wasn't such a big issue to begin with, because I can always just drag the Terminal to my launcher and launch it from there. However, I was on Chrome earlier and tried to do SHIFT+CTRL+DEL to clear the history and it failed. I then tried to do SHIFT+ESC, just to see if the hotkey for the task manager would work.. and it did. I also thought it could be something with the "CTRL" key, since SHIFT+ESC works, but SHIFT+CTRL+DEL doesn't. That didn't turn out to be the case either, as keys like CTRL+ALT+DEL (logout) work perfectly fine. Not quite sure how to go about this, and I haven't found any errors in any of /var/log that raises any suspicion.

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• noexec option enabled in fstab is not getting applicable for limited user. Is it a bug?

  - by user170918

  noexec option enabled in fstab is not getting applicable for limited user. Is it a bug? cat /etc/fstab # / was on /dev/sda2 during installation UUID=fd7e2645-3cc4-4c6c-8b1b-016711c2fd07 / ext4 errors=remount-ro 0 1 # /boot was on /dev/sda1 during installation UUID=f3e58f86-8999-4678-a5ec-0a4b621c6e37 /boot ext4 defaults 0 2 # /home was on /dev/sda9 during installation UUID=bcbc1c4d-46a9-4b2a-bb0a-6fe1bdeaed22 /home ext4 defaults,nodev,nosuid 0 2 # /tmp was on /dev/sda5 during installation UUID=8538eecc-bd16-40fe-ad66-7d7b9287839e /tmp ext4 defaults,noexec,nosuid,nodev 0 2 # /var was on /dev/sda6 during installation UUID=292696cf-fc15-40ab-9cd8-cee9bff7e165 /var ext4 defaults,nosuid,nodev 0 2 # /var/log was on /dev/sda7 during installation UUID=fab1f85b-ae09-4ce0-b169-c01205eb8f9c /var/log ext4 defaults,noexec,nosuid,nodev 0 2 # /var/log/audit was on /dev/sda8 during installation UUID=602f5003-4ac0-49e9-99d3-b29378ce9430 /var/log/audit ext4 defaults,noexec,nosuid,nodev 0 2 # swap was on /dev/sda3 during installation UUID=a538d35b-b2e9-47f2-b72d-5dbbcf0afca0 none swap sw 0 0 /dev/sdb1 /mnt/usblpsc auto noauto,user,rw,noexec,nosuid,nodev 0 0 /dev/sdc1 /mnt/usblpsc auto noauto,user,rw,noexec,nosuid,nodev 0 0 /dev/sdd1 /mnt/usblpsc auto noauto,user,rw,noexec,nosuid,nodev 0 0 sudo users are not able to paste executable files in /bin into the file system which have the noexec option set. But limited users are able to paste the same files into the file system which have noexec option set. Why is it so?

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• Pointers inside a structure [on hold]

  - by user3402552

  I have the next program: #include<stdio.h> #include<stdlib.h> struct a { char *ch; char *str; }; int main() { struct a s1; char ptr[100]; int m, n; printf("\n Enter a string : "); gets(ptr); m = strlen(ptr); s1.ch = (char *)malloc(strlen(ptr) * sizeof(char)); if(s1.ch) { strcpy(s1.ch, ptr); } else { printf("\n Alocation failed!\n"); } printf("\n %s\n\n", s1.ch); while(*s1.ch) { printf(" %c", *(s1.ch)); s1.ch++; } printf("\n\n"); s1.ch = s1.ch - m; printf("\n\n\n %s \n\n", s1.ch); } Is this ok this program in this way ? I mean the pointers should not be initialized ? And if it is not ok, why compile it without errors?

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• Is it a good idea to dynamically position and size controls on a form or statically set them?

  - by CrystalBlue

  I've worked mostly with interface building tools such as xCode's Interface Builder and Visual Studio's environment to place forms and position them on screens. But I'm finding that with my latest project, placing controls on the form through a graphical interface is not going to work. This more has to do with the number of custom controls I have to create that I can't visually see before hand. When I first tackled this, I began to position all of my controls relative to the last ones that I created. Doing this had its own pros and cons. On the one hand, this gave me the opportunity to set one number (a margin for example) and when I changed the margin, the controls all sized correctly to one another (such as shortening controls in the center while keeping controls next to the margin the same). But this started to become a spiders-web of code that I knew wouldn't go very far before getting dangerous. Change one number and everything re sizes, but remove one control and you've created many more errors and size problems for all the other controls. It became more surgery then small changes to controls and layout. Is there a good way or maybe a preferred way to determine when I should be using relative or absolute positioning in forms?

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• Should I indicate that the user exists or was deleted on the error page?

  - by animuson

  On an ordinary public website, the user's profile is always publicly visible to all visitors (such as Stack Overflow), where they can limit certain pieces of information via privacy settings or just removing the information. Now the user has decided to delete their account (in my case deactivate) so that their account doesn't technically "exist" anymore. The way my system is set up, when their account is deactivated, their username for any content connected to them just becomes "Anonymous User" as if it were a guest that posted. I feel like this could cause some confusion for other users. I'm also concerned about what kind of error to display when someone attempts to view their profile page. My gut tells me to just display a standard 404 page to hide the fact that they ever existed, but then you also have to consider that, since usernames must be unique, anyone can go to the register page and type in the username to see if it really exists or not. I have a similar problem with another website, which gives users the ability to hide their profiles from the public and only allow registered users to view it. Again it's with the dilemma of what kind of error message to display when an unregistered users attempts to view their profile with invalid permissions. So, would it be acceptable to display basic errors such as "user has been deactivated" or "you must be logged in to view this profile" in order to give other visitors some idea of why the page can't be displayed, or should I attempt to cover the user's privacy a little and just display a standard 404 without indicating in any way that the user might exist? Are there any other issues that I'm not realizing about either route? To go back to the beginning, should I even bother changing the user's name to "Anonymous User" when their account is deactivated? Would it be acceptable to just display a non-linked version of their username in place of the normal linked display name?

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• how to solve this problem

  - by Surbir

  root@me-desktop:~# sudo apt-get install aircrack-ng Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: aircrack-ng 0 upgraded, 1 newly installed, 0 to remove and 446 not upgraded. 1 not fully installed or removed. Need to get 1,579kB of archives. After this operation, 2,843kB of additional disk space will be used. Get:1 http://archive.ubuntu.com/ubuntu/ maverick/universe aircrack-ng i386 1:1.1-1 [1,579kB] Fetched 1,579kB in 1min 9s (22.7kB/s) Selecting previously deselected package aircrack-ng. (Reading database ... 520739 files and directories currently installed.) Unpacking aircrack-ng (from .../aircrack-ng_1%3a1.1-1_i386.deb) ... Processing triggers for man-db ... Setting up linux-image-3.0.1-030001-generic (3.0.1-030001.201108060905) ... Running depmod. update-initramfs: Generating /boot/initrd.img-3.0.1-030001-generic Warning: No support for locale: en_US.utf8 Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/dkms 3.0.1-030001-generic /boot/vmlinuz-3.0.1-030001-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.0.1-030001-generic /boot/vmlinuz-3.0.1-030001-generic run-parts: executing /etc/kernel/postinst.d/nvidia-common 3.0.1-030001-generic /boot/vmlinuz-3.0.1-030001-generic run-parts: executing /etc/kernel/postinst.d/pm-utils 3.0.1-030001-generic /boot/vmlinuz-3.0.1-030001-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 3.0.1-030001-generic /boot/vmlinuz-3.0.1-030001-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 3.0.1-030001-generic /boot/vmlinuz-3.0.1-030001-generic exec: 15: update-grub: not found run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 2 Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-3.0.1-030001-generic.postinst line 1010. dpkg: error processing linux-image-3.0.1-030001-generic (--configure): subprocess installed post-installation script returned error exit status 2 Setting up aircrack-ng (1:1.1-1) ... Errors were encountered while processing: linux-image-3.0.1-030001-generic E: Sub-process /usr/bin/dpkg returned an error code (1) root@me-desktop:~#

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• problems establishing ssh connection

  - by Superbyte

  since two days I am facing a really weird problem. I have receantly installed ubuntu server 14.04 LTS on a workstation. It has a fix IP address, which I can successfully ping from other computers in the network. But when I try to establish a ssh connection from a windows computer via putty I get some strange errors, which I cannot fix. The Problem is that putty takes a really long time trying to establish a connection. After about 10 seconds I get the following error: Network error: Software caused connection abort But when I click the Restart Session option a several times after putty shows the error message, I can login in. But now comes the other problem. When the login appears on the putty console I type in the user, but it really takes a long time until I can type in the password to login. This is what I already tried: sshd: ALL in etc/hosts.allow commented line session optional pam_motd.so in etc/pam.d/login and etc/pam.d/sshd configured the firewall with: sudo iptables -A INPUT -p tcp --dport ssh -j ACCEPT checked if ssh server is listening on port 22 UseDNS no in etc/ssh/sshd_config I hope someone can help me, because this problem is really annoying. Thanks in regard

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• New and Improved Search Helpers Now Procurement Assistants!

  - by LuciaC

  Check out the new and improved Procurement Assistants (formerly Search Helpers). Let us guide you simply to Issue Resolution.  To access all our Procurement Search Helpers see Doc ID 1391694.2 our Procurement Information Center. Here you will see links to our Procurement Search Helpers: Assistants provide a collection of solutions based on the symptoms you enter. For example simply choose the radial button that pertains to your issue, as shown here: Then choose the additional symptom(s) that pertain and potential solution documents will be returned as shown here: Try these before logging a Service Request. Current Procurement Assistants: Doc ID Title 1361856.1     Assistant: Oracle Purchasing - Purchase Order and Requisition Approval (Search Helper) 1377764.1    Assistant: Oracle Purchasing PO Output for Communication / Supplier Notification Issues (Search Helper) 1364360.1    Assistant: Oracle Purchasing Requisition To Purchase Order (Search Helper) 1369663.1    Assistant: Oracle Purchasing Purchase Document Open Interface and API (Search Helper) 1391970.1    Assistant: Oracle Inventory Management RVTII-060 Errors in Receiving (Search Helper) 1394392.1    Assistant: Oracle Purchasing Buyer Work Center Search Helper (Search Helper) 1470034.1    Assistant: Oracle Purchasing - Document Control : Cancel and Close

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• Do there exist programming languages where a variable can truly know its own name?

  - by Job

  In PHP and Python one can iterate over the local variables and, if there is only once choice where the value matches, you could say that you know what the variable's name is, but this does not always work. Machine code does not have variable names. C compiles to assembly and does not have any native reflection capabilities, so it would not know it's name. (Edit: per Anton's answer the pre-processor can know the variable's name). Do there exist programming languages where a variable would know it's name? It gets tricky if you do something like b = a and b does not become a copy of a but a reference to the same place. EDIT: Why in the world would you want this? I can think of one example: error checking that can survive automatic refactoring. Consider this C# snippet: private void CheckEnumStr(string paramName, string paramValue) { if (paramName != "pony" && paramName != "horse") { string exceptionMessage = String.Format( "Unexpected value '{0}' of the parameter named '{1}'.", paramValue, paramName); throw new ArgumentException(exceptionMessage); } } ... CheckEnumStr("a", a); // Var 'a' does not know its name - this will not survive naive auto-refactoring There are other libraries provided by Microsoft and others that allow to check for errors (sorry the names have escaped me). I have seen one library which with the help of closures/lambdas can accomplish error checking that can survive refactoring, but it does not feel idiomatic. This would be one reason why I might want a language where a variable knows its name.

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