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• Cannot access the filesystems using LiveCD (LVM2,EXT2)

  - by ftkg

  I have to restore the /etc/passwd file I accidentally renamed in my Ubuntu Server, so I booted the machine using a LiveCD. Problem is, the system filesystem does not appear in Nautilus, under 'Devices'. Am I missing anything? ubuntu@ubuntu:~$ sudo fdisk -l Disk /dev/sda: 320.1 GB, 320072933376 bytes 255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000956dc Device Boot Start End Blocks Id System /dev/sda1 * 2048 499711 248832 83 Linux /dev/sda2 501758 625141759 312320001 5 Extended /dev/sda5 501760 625141759 312320000 8e Linux LVM ubuntu@ubuntu:~$ mount /cow on / type overlayfs (rw) proc on /proc type proc (rw,noexec,nosuid,nodev) sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) udev on /dev type devtmpfs (rw,mode=0755) devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620) tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755) /dev/sr0 on /cdrom type iso9660 (ro,noatime) /dev/loop0 on /rofs type squashfs (ro,noatime) none on /sys/fs/fuse/connections type fusectl (rw) none on /sys/kernel/debug type debugfs (rw) none on /sys/kernel/security type securityfs (rw) tmpfs on /tmp type tmpfs (rw,nosuid,nodev) none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880) none on /run/shm type tmpfs (rw,nosuid,nodev) gvfs-fuse-daemon on /home/ubuntu/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=ubuntu) ubuntu@ubuntu:~$ sudo blkid /dev/loop0: TYPE="squashfs" /dev/sda1: UUID="aad69790-198d-45bc-9ccd-e4cba7456914" TYPE="ext2" /dev/sda5: UUID="wbIDX7-RILL-VtFT-gX15-N1GJ-Yyfg-V8Oe5m" TYPE="LVM2_member" /dev/sr0: LABEL="Ubuntu 12.04 LTS i386" TYPE="iso9660" ubuntu@ubuntu:~$ cat /etc/fstab overlayfs / overlayfs rw 0 0 tmpfs /tmp tmpfs nosuid,nodev 0 0

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• Agile project management, agile development: early integration

  - by Matías Fidemraizer

  I believe that agile works if everything is agile. In software development area, in my opinion, if team members' code is integrated early, code will be more in sync and this has a lot of pros: Early integration helps team members to avoid painful merges. Encourages better coding habits, because everyone makes sure that they don't break co-workers' code everyday. Both developers and architects (code reviewers) may detect bad design decisions or just wrong development directions in real-time, preventing useless work. Actually I'm talking about getting the latest version of code base and checking-in your own code to the source control in a daily basis. When you start your coding day (i.e. you arrive to your work), your first action is updating your code base with the latest version from the source control. In the other hand, when you're about an hour to leave from your work and go home, your last action is checking-in your code to the source control and be sure that your day work doesn't break the project's build process. Rather than updating and checking-in your code once you finished an entire task, I believe the best approach is fixing small and flexible personal milestones and checking-in the code once you finish one of these. I really believe that this coding approach fits better in the agile project management concept. Do you know some document, blog post, wiki, article or whatever that you can suggest me that could be in sync with my opinion?. And, do you find any problem working with this approach?. Thank you in advance.

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• Sharing swap space between Windows and Ubuntu

  - by Leftium

  This Linux Swap Space Mini-HOWTO describes how to share swap space between Windows and Linux. Do these instructions still apply to Ubuntu in 2011? How should I modify the steps for Ubuntu? Is there a better approach to sharing swap space? Based on the HOWTO, it seems best to create a dedicated NTFS swap partition: Dedicated so the swap file will be contiguous and remain unfragmented. NTFS so both Windows and Ubuntu can read/write to it. (Or is FAT32 better for this purpose?) Then, configure Ubuntu to prepare the swap space for use by Linux on start up; by Windows on shut down. I want to dual boot Ubuntu and Windows 7 on my X301 laptop. However, my laptop only has a 64 GB SDD, so I would like to conserve as much disk space as possible. update: There is an alternate method using a special driver for Windows that let you use a Linux swap partition for temporary storage like a RAM-disk, but it doesn't seem to be as good...

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• 14540059 - UPDATE FOR BI PUBLISHER ENTERPRISE 11.1.1.6.0 AUGUST

  - by Tim Dexter

  Its been a while, I know :( I have posts in the pipe just gotta smoke em out! The latest update for BIP 11.1.1.6 was released last week. A bunch of defects have been addressed as you can see below.  13473493 - XMLP TRANSLATION ISSUE OF MILLION (ENG) TO MILLIONES (SPANISH) 13521951 - BIP UPGRADE FROM 10G TO 11.1.1.5.0 IS NOT SUCCESSFULL FOR TIAA-CREF  12542914 - ACC: REPORT VIEWER STRUCTURE HAS ERRORS - NO IFRAME AND NO LANG ATTRIBUTE  13562801 - XML TAG DISPLAY SHOULD DEFAULT TO 'FOLLOW THE DATA 13568043 - BIP QUERY FAILING VALIDATION DUE TO 'COALESCE' KEYWORD 13592901 - THE REPORT IS THROWING AN SQL ERROR THAT REFERENCES CHECKING FOR NULL VALUES 13836696 - BI PUBLISHER REPORT NOT GENERATED WHEN A TEXT FIELD START WITH "E.<SPACE>"  13879206 - DM MIGRATION ISSUES 13888939 - DM: LOV SEARCH CAUSING DB CONNECTION LEAK 13904225 - XSLX ERROR DUE TO URL LINK AND USE OF LIST 13930795 - RTF TEMPLATE GIVING DIFFERENT RESULTS IN DIFFERENT  13942064 - XDOEXCEPTION THROWN WHEN RUNNING PEOPLESOFT TEMPLATES AND XML FILE 13981523 - BI PUBLISHER ON 64-BIT WINDOWS CAN'T CONNECT TO MS ANALYSIS SERVICES CUBE 14039229 - BIP 11.1.1.5.0 REPORTS ARE NOT WORKING ON BIP 11.1.1.6.0  14055793 - BIP 11.1.1.6.0: DATE TYPE INPUT PARAMTER IS NOT DISPLAYING THE CORRECT VALUE USI  14059851 - UNABLE TO GRANT PRIVILEGES TO ROLE: DOMAIN USERS; THE ROLE DOES NOT EXIST 14109967 - LARGE OUTPUT CAUSES OUT OF MEMORY DUE TO LEFT OVER DEBUG CODE 14163973 - ISSUES USING DATA MODEL EDITOR IN BIP 11.1.1.6  14167915 - ORG.XML.SAX.SAXEXCEPTION: DATE FORMAT CANNOT BE NULL  14240045 - EDITING SCHEDULED REPORTS DOES NOT REFLECT VALID VALUES FOR UPGRADED SCHEDULES 14304427 - SEARCH DIALOG NOT BINDING PARAMETER VALUE - INVALID PARAMETER BINDING(S). 14338158 - PASSWORD FIELD SHOULD NOT BE DISPLAYED FOR FMW SECURITY MODEL 14393825 - OBIEE11G: LARGE NUMBER OF OBIPS SESSIONS CREATED WHEN USING SSO AND BI PUB 14558377 - CONT. BUG 14240045:EDITING SCHEDULES IN BI PUBLISHER IS DEFAULTING TO 'ALL' This patch is just for BI Publisher standalone installs. For those of you using BIP within the wider BIEE suite there is the 11.1.1.6.2 BP1 patchset. More details on that here.

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• Would it be a good idea to work on letting people add arrays of numbers in javascript?

  - by OneThreeSeven

  I am a very mathematically oriented programmer, and I happen to be doing a lot of java script these days. I am really disappointed in the math aspects of javascript: the Math object is almost a joke because it has so few methods you can't use ^ for exponentiation the + operator is very limited, you cant add array's of numbers or do scalar multiplication on arrays Now I have written some pretty basic extensions to the Math object and have considered writing a library of advanced Math features, amazingly there doesn't seem to be any sort of standard library already out even for calculus, although there is one for vectors and matricies I was able find. The notation for working with vectors and matricies is really bad when you can't use the + operator on arrays, and you cant do scalar multiplication. For example, here is a hideous expression for subtracting two vectors, A - B: Math.vectorAddition(A,Math.scalarMultiplication(-1,B)); I have been looking for some kind of open-source project to contribute to for awhile, and even though my C++ is a bit rusty I would very much like to get into the code for V8 engine and extend the + operator to work on arrays, to get scalar multiplication to work, and possibly to get the ^ operator to work for exponentiation. These things would greatly enhance the utility of any mathematical javascript framework. I really don't know how to get involved in something like the V8 engine other than download the code and start working on it. Of course I'm afraid that since V8 is chrome specific, that without browser cross-compatibility a fundamental change of this type is likely to be rejected for V8. I was hoping someone could either tell me why this is a bad idea, or else give me some pointers about how to proceed at this point to get some kind of approval to add these features. Thanks!

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• How to diagram custom programming languages, non textual?

  - by Adam

  I've used and created domain-specific languages before, plenty of times (e.g. using yacc/lex). Normally we'd start with grammar written in BNF, and a bunch of keywords. This is easy to do, easy to share. Recently, I've started working with diagrammatic programming languages - closest parallel is circuit-diagrams in electronics, where it's very difficult to express ideas in text, but very easy to express them in wiring-diagrams. This is a new and novel problem for me: how to efficiently express these mini-languages, and share concepts in them with colleagues? (i.e. how to whiteboard-program within them. Actual programming is easy - you have physical components to hand) Are there tools for this? Or good/best practices (e.g. equivalent of "always use BNF as starting point for your new DSL, and use tools like yacc to generate the parser, compiler, etc"). My googlefu is proving weak - all I get is false positives for wiring diagrams, and UML editors (since these are custom languages, UML doesn't seem to help)

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• Low pagerank backlinks - does Google penalize?

  - by Programmer Joe

  I have a new stock discussion forum and I would like to promote it. Specifically, I have two ideas in mind to help promote it: 1) Become a member at other stock discussion forums. Make high quality posts, build a good reputation, and leave a link to my own forum in a non intrusive way (ie. in signature or at the end of my posts). This approach makes sense because you can find other members in other forums that are interested in stock discussion and a backlink to your forum, as long as it is not done in an intrusive/spammy way, should come across as acceptable. 2) Promote my site by writing articles at Squidoo, Hubpages, etc. This approach also makes sense because that's what Squidoo and Hubpages is for. The problem with both these approaches is that when I leave a backlink to my site, the page that I am leaving a backlink from may have a low PR - most likely, a PR of 0. Now, I have read that after the Penguin update by Google, your site can be penalized if you have too many backlinks from low PR pages: http://www.entrepreneur.com/article/224339 So, I am caught in a dilemma: a) If I start promoting my site via other stock forums, Squidoo, Hubpages, etc, but the backlink to my site comes from a page with low PR, Google may penalize my site. b) However, if I don't promote my site, nobody will ever discover it (aside from other promotion techniques like social media promotion, directories, etc).

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• Developing configuration syntax - best practise/rules/methods?

  - by Isaac

  I am currently developing a small application, which checks if provided data meets certain requirements. The requirements are actually a long list, and might be changing, so I defined a syntax which allows me to state all of the requirements briefly and in a seperate file. Now the overall requirements for the application have changed, and I need to change my configuration syntax. Which leeds me to wonder if there is methodoloy or best practise for developing such syntaxes. Currently what I do is I think about the requirements and come up with an initial syntax, start configuring the first few items and see how it works. If I come upon something that does not work well or not at all with the current syntax, I change the syntax, if possible in a backward compatible way. This somehow works for me, but it feels a bit like fishing in troubled water. Also I feel it does not nessessarly lead to the most concise and easy to understand/use syntax. So I was wondering what other people do, especially if there is a better approach to this.

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• Gwibber only launches sometimes

  - by Stephen Judge

  I face this problem where Gwibber only launches sporadically. Sometimes when I click it to launch, it launches and then other times it doesn't. I can't seem to figure out what is preventing it from launching and what sort of information I need to collect, also where to collect it from to make a bug report. I have killed the gwibber-service processes in the System Monitor "it loads three processes called gwibber-service, is this normal" several times and tried to launch Gwibber again, but this doesn't seem to work. The process just called gwibber starts, then the three gwibber-service processes start, then the gwibbber process ends and the three gwibber-service processes remain but the application is still not launching. Generally, I want to know are other people facing the same problem. If someone can give me some guidance on how to triage this problem and get the information need to make a bug report I would be grateful. The upside to this though is at least when it is not launching it is preventing me from wasting endless hours reading my streams on Identi.ca and Twitter, so it is a bit Workrave for microblogging. In which case maybe I shouldn't fix this problem :-)

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• Does Google sometime prevent new white hat sites from ranking at all in some verticals?

  - by JVerstry

  Assuming someone wants to implement a new viagra or akai berry e-commerce website. There is a lot of competition and this site does not really bring something new, other than a new online counter to buy products at a nice price. Assuming this site does not use any black hat techniques and that it stays with Google quality guidelines, and assuming it has no (or few) backlinks (from non-authoritative websites). Assuming this website's pages are indexed properly in Webmaster Tool, and that no penalties are reported. No site improvements are suggested. Google crawls the site daily as reported in GWT. No robots.txt configuration issues. Does Google sometime decide to no rank this site for any user query (for weeks), because of lack of original content? The reason I am asking this is that I am trying to understand the possible cause of a similar situation I am observing with two sites. If so, what is the way out to start ranking for these site? If not, does it mean the cause is elsewhere for sure? Any confirmed info to get out of the maze is welcome.

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• Local file system not properly unmounted during shutdown

  - by bernhard

  I have a file system with two HDDs and several partitions mounted separately locally. /root, /home, /usr, /var, /local/share , /home/bernhard/fotos/bilder, /backup are on separate partitions and are all ext3. During unmounting the message "unmounting local file system" does not appear any further and when booting all partitions but the root partition have to reload the journal, which indicates improper unmounting. The root partition and /usr are on sda, the others on sdb or further usb-mounted devices. the only partition unmounted w/o problem seems to be the root partition on sda4. I wonder whether the script to umount all devices has a "wait for success" loop or that the script itself got corrupted. However, yesterday I upgraded to 11.04 and the error persists. pmount does not look to be appropriate since the device are not hotplugged but simply mounted during system start. Obviously mounting /usr and afterwards /usr/local/share as well as /home and later /home/bernhard/fotos/bilder presents problems for umount; the devices may be busy und thus not properly unmounted. Does anybody have an idea for a script to organize unmounting in an ordered way? How to wait for unmounting of the secondary mount? Do you know as well where to place such a script that it will be used instead of the original umount command? Could be a general solution.

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• Can't install software by terminal

  - by behnam mohammadi

  I don't know what packages i have installed that i no longer can get and install packages in terminal. e.g. when trying to install Prozgui, i got this error: Traceback (most recent call last): File "/usr/bin/add-apt-repository", line 60, in <module> sp = SoftwareProperties() File "/usr/lib/python2.7/dist-packages/softwareproperties/SoftwareProperties.py", line 90, in __init__ self.reload_sourceslist() File "/usr/lib/python2.7/dist-packages/softwareproperties/SoftwareProperties.py", line 538, in reload_sourceslist self.distro.get_sources(self.sourceslist) File "/usr/lib/python2.7/dist-packages/aptsources/distro.py", line 91, in get_sources raise NoDistroTemplateException("Error: could not find a " aptsources.distro.NoDistroTemplateException: Error: could not find a distribution template and it happens for all others too. Plus, my Software Center has been disabled and doesn't start. I get this error for that too: Traceback (most recent call last): File "/usr/bin/software-center", line 111, in <module> from softwarecenter.app import SoftwareCenterApp File "/usr/share/software-center/softwarecenter/app.py", line 40, in <module> from softwarecenter.db.application import Application, DebFileApplication File "/usr/share/software-center/softwarecenter/db/application.py", line 30, in <module> from softwarecenter.distro import get_distro File "/usr/share/software-center/softwarecenter/distro/__init__.py", line 151, in <module> distro_instance=_get_distro() File "/usr/share/software-center/softwarecenter/distro/__init__.py", line 140, in _get_distro module = __import__(distro_id, globals(), locals(), [], -1) ImportError: No module named OPTIMOS Can anyone please help me with this? Thank you in advance!

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• How to automatically render all opaque meshes with a specific shader?

  - by dsilva.vinicius

  I have a specular outline shader that I want to be used on all opaque meshes of the scene whenever a specific camera renders. The shader is working properly when it is manually applied to some material. The shader is as follows: Shader "Custom/Outline" { Properties { _Color ("Main Color", Color) = (.5,.5,.5,1) _OutlineColor ("Outline Color", Color) = (1,0.5,0,1) _Outline ("Outline width", Range (0.0, 0.1)) = .05 _SpecColor ("Specular Color", Color) = (0.5, 0.5, 0.5, 1) _Shininess ("Shininess", Range (0.03, 1)) = 0.078125 _MainTex ("Base (RGB) Gloss (A)", 2D) = "white" {} } SubShader { Tags { "Queue"="Overlay" "RenderType"="Opaque" } Pass { Name "OUTLINE" Tags { "LightMode" = "Always" } Cull Off ZWrite Off // Uncomment to show outline always. //ZTest Always CGPROGRAM #pragma target 3.0 #pragma vertex vert #pragma fragment frag #include "UnityCG.cginc" struct appdata { float4 vertex : POSITION; float3 normal : NORMAL; }; struct v2f { float4 pos : POSITION; float4 color : COLOR; }; float _Outline; float4 _OutlineColor; v2f vert(appdata v) { // just make a copy of incoming vertex data but scaled according to normal direction v2f o; o.pos = mul(UNITY_MATRIX_MVP, v.vertex); float3 norm = mul ((float3x3)UNITY_MATRIX_IT_MV, v.normal); float2 offset = TransformViewToProjection(norm.xy); o.pos.xy += offset * o.pos.z * _Outline; o.color = _OutlineColor; return o; } float4 frag(v2f fromVert) : COLOR { return fromVert.color; } ENDCG } UsePass "Specular/FORWARD" } FallBack "Specular" } The camera used fot the effect has just a script component which setups the shader replacement: using UnityEngine; using System.Collections; public class DetectiveEffect : MonoBehaviour { public Shader EffectShader; // Use this for initialization void Start () { this.camera.SetReplacementShader(EffectShader, "RenderType=Opaque"); } // Update is called once per frame void Update () { } } Unfortunately, whenever I use this camera I just see the background color. Any ideas?

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• Is it correct to fix bugs without adding new features when releasing software for system testing?

  - by Pratik

  This question is to experienced testers or test leads. This is a scenario from a software project: Say the dev team have completed the first iteration of 10 features and released it to system testing. The test team has created test cases for these 10 features and estimated 5 days for testing. The dev team of course cannot sit idle for 5 days and they start creating 10 new features for next iteration. During this time the test team found defects and raised some bugs. The bugs are prioritised and some of them have to be fixed before next iteration. The catch is that they would not accept the new release with any new features or changes to existing features until all those bugs fixed. The test team says that's how can we guarantee a stable release for testing if we also introduce new features along with the bug fix. They also cannot do regression tests of all their test cases each iteration. Apparently this is proper testing process according to ISQTB. This means the dev team has to create a branch of code solely for bug fixing and another branch where they continue development. There is more merging overhead specially with refactoring and architectural changes. Can you agree if this is a common testing principle. Is the test team's concern valid. Have you encountered this in practice in your project.

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• Oracle VM 3.1.1 build 365 released

  - by wcoekaer

  A few days ago we released a patch update for Oracle VM 3.1.1 (build 365). Oracle VM Manager 3.1.1 Build 365 is now available from My Oracle Support patch ID 14227416 Oracle VM Server 3.1.1 errata updates are, as usual, released on ULN in the ovm3_3.1.1_x86_64_patch channel. Just a reminder, when we publish errata for Oracle VM, the notifications are sent through the oraclevm-errata maillist. You can sign up here. Some of the bugfixes in 3.1.1 : 14054162 - Removes unnecessary locks when creating VNICs in a multi-threaded operation. 14111234 - Fixes the issue when discovering a virtual machine that has disks in a un-discovered repository or has un-discovered physical disks. 14054133 - Fixes a bug of object not found where vdisks are left stale in certain multi-thread operations. 14176607 - Fixes the issue where Oracle VM Manager would hang after a restart due to various tasks running jobs in the global context. 14136410 - Fixes the stale lock issue on multithreaded server where object not found error happens in some rare situations. 14186058 - Fixes the issue where Oracle VM Manager fails to discover the server or start the server after the server hardware configuration (i.e. BIOS) was modified. 14198734 - Fixes the issue where HTTP cannot be disabled. 14065401 - Fixes Oracle VM Manager UI time-out issue where the default value was not long enough for storage repository creation. 14163755 - Fixes the issue when migrating a virtual machine the list of target servers (and "other servers") was not ordered by name. 14163762 - Fixes the size of the "Edit Vlan Group" window to display all information correctly. 14197783 - Fixes the issue that navigation tree (servers) was not ordered by name. I strongly suggest everyone to use this latest build and also update the server to the latest version. have at it.

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• Tracking feature requests for small-scale components

  - by DXM

  I'm curious how other development teams (especially those that work in moderate to large development groups) track "future" features/wishlists for functionality for internally developed frameworks or components. I know the standard advice is that a development team should find one good tool for tracking bugs/features and use that for everything and I agree with that if the future requests are for the product itself. In my company we have an engineering department, which is broken up into multiple groups and within each there can be one to several agile teams. The bug tracking product we use has been "a leader since 1997" (their UI/usability seems to also be evaluated against that year even today) but my agile team or even group doesn't really control what is being used by the whole department. What we are looking to track is not necessarily product features but expansion/nice to have functionality for internal components that go into our product. So to name a few for example... framework/utility library on top of CppUnit which our developers share low-level IPC communications framework Common development SDK that myself and several other team leads started to help share some common code/tools at the department-wide level (this SDK is released as internal "product" to each of the groups). Is the standard practice to use the one bug tracking tool? Or would it make more sense to setup something more localized specifically for our needs and maintain it ourselves? It's also unclear how management will feel if developers start performing "IT" roles of maintaining software and servers. At the same time, right now, we use excel files, internal wiki and MS OneNote for this kind of stuff and that just doesn't feel right. (I'm afraid to ask for actual software recommendations, since that might make this question more localized or something. Also developers needs this way more than management, so it would be nice to find something either free or no more than the cost of a happy hour).

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• A new mission statement for my school's algorithms class

  - by Eric Fode

  The teacher at Eastern Washington University that is now teaching the algorithms course is new to eastern and as a result the course has changed drastically mostly in the right direction. That being said I feel that the class could use a more specific, and industry oriented (since that is where most students will go, though suggestions for an academia oriented class are also welcome) direction, having only worked in industry for 2 years I would like the community's (a wider and much more collectively experienced and in the end plausibly more credible) opinion on the quality of this as a statement for the purpose an algorithms class, and if I am completely off target your suggestion for the purpose of a required Jr. level Algorithms class that is standalone (so no other classes focusing specifically on algorithms are required). The statement is as follows: The purpose of the algorithms class is to do three things: Primarily, to teach how to learn, do basic analysis, and implement a given algorithm found outside of the class. Secondly, to teach the student how to model a problem in their mind so that they can find a an existing algorithm or have a direction to start the development of a new algorithm. Third, to overview a variety of algorithms that exist and to deeply understand and analyze one algorithm in each of the basic algorithmic design strategies: Divide and Conquer, Reduce and Conquer, Transform and Conquer, Greedy, Brute Force, Iterative Improvement and Dynamic Programming. The Question in short is: do you agree with this statement of the purpose of an algorithms course, so that it would be useful in the real world, if not what would you suggest?

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• Dell XPS 15 L502x and Ubuntu 11.04 - HDMI output

  - by Jones

  Recently I've bought my dream's notebook, a Dell XPS 15 but since then this dream became a kind of endless nightmare. I'm almost getting crazy to make my graphic card driver work properly, but it seems to be just impossible. Yes, I have a 2GB NVIDIA GeForce GT 540m (Optimus) in it! It simply doesn't work. Every time I generate the xorg.conf Ubuntu hangs on while starting up, which forces me to remove this file to be able to start the notebook with the standard graphic settings. Another problem is that the Dell XPS 15 does NOT have a VGA output, but a HDMI. So, to be able to use a second monitor I have to configure it by the NVIDIA X Server Settings, which just works if the driver is properly initialized with the xorg.conf. I've also tried to make it work with the Bumblebee, but unfortunately it didn't help me much with the HDMI output. Do you guys have any idea to solve this deadlock? Is there any way for me to use my second monitor?

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• configuring USB modem( Huawei EC156) in ubuntu 13.10

  - by user205427

  I am facing difficulty in installing my USB modem in Ubuntu 13.10. Contrary to what many have suggested,it does not get detected automatically, nor does setting a new connection help. USB Device is listed in lsusb, but not under network manager or Devices, it is detected as a CD-ROM, what I understood from the web was that usb-modeswitch can be used to switch it to a USB device. Even 'Enable Mobile Broadband' option is not shown in network manager. What was interesting is when I start laptop with windows 7 and use the USB modem and after that restart with Ubuntu, both Enable Broadband and the mobile broadband connection can be seen. Sadly, internet connection could not be installed. I tried using USB-modeswitch command as suggested somewhere, but it does not seem to work. Following is the message. Take all parameters from the command line * usb_modeswitch: handle USB devices with multiple modes * Version 2.0.1 (C) Josua Dietze 2013 * Based on libusb1/libusbx ! PLEASE REPORT NEW CONFIGURATIONS ! DefaultVendor= 0x12d1 DefaultProduct= 0x1505 HuaweiMode=1 NeedResponse=0 InquireDevice enabled (default) Look for default devices ... found USB ID 8087:0020 found USB ID 1d6b:0002 found USB ID 0461:4db6 found USB ID 12d1:1505 vendor ID matched product ID matched found USB ID 138a:0007 found USB ID 03f0:231d found USB ID 8087:0020 found USB ID 1d6b:0002 Found devices in default mode (1) Access device 005 on bus 001 Get the current device configuration ... OK, got current device configuration (1) Use interface number 0 Use endpoints 0x08 (out) and 0x87 (in) Inquire device details; driver will be detached ... Looking for active driver ... OK, driver detached INQUIRY message failed (error -9) USB description data (for identification) ------------------------- Manufacturer: HUA?WEI TECHNOLOGIES Product: HUAWEI Mobile Serial No.: ??????????????????? ------------------------- Send old Huawei control message ... -> Run lsusb to note any changes. Bye! I am stuck with this problem for 4 days now, any help would be appreciated

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• JUnit Testing in Multithread Application

  - by e2bady

  This is a problem me and my team faces in almost all of the projects. Testing certain parts of the application with JUnit is not easy and you need to start early and to stick to it, but that's not the question I'm asking. The actual problem is that with n-Threads, locking, possible exceptions within the threads and shared objects the task of testing is not as simple as testing the class, but testing them under endless possible situations within threading. To be more precise, let me tell you about the design of one of our applications: When a user makes a request several threads are started that each analyse a part of the data to complete the analysis, these threads run a certain time depending on the size of the chunk of data (which are endless and of uncertain quality) to analyse, or they may fail if the data was insufficient/lacking quality. After each completed its analysis they call upon a handler which decides after each thread terminates if the collected analysis-data is sufficient to deliver an answer to the request. All of these analysers share certain parts of the applications (some parts because the instances are very big and only a certain number can be loaded into memory and those instances are reusable, some parts because they have a standing connection, where connecting takes time, ex.gr. sql connections) so locking is very common (done with reentrant-locks). While the applications runs very efficient and fast, it's not very easy to test it under real-world conditions. What we do right now is test each class and it's predefined conditions, but there are no automated tests for interlocking and synchronization, which in my opionion is not very good for quality insurances. Given this example how would you handle testing the threading, interlocking and synchronization?

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• If statement causing xna sprites to draw frame by frame

  - by user1489599

  I’m a bit new to XNA but I wanted to write a simple program that would fire a cannon ball from a cannon at a 45 degree angle. It works fine outside of my keyboard i/o if statement, but when I encapsulate the code around an if statement checking to see if the user hits the space bar, the sprite will draw one frame at a time every time the space bar is hit. This is the code in question if (currentKeyboardState.IsKeyUp(Keys.Space) && previousKeyboardState.IsKeyDown(Keys.Space) && !skullBall.Alive) { //works outside the keyboard input if statement //{ skullBall.Position = cannon.Position; skullBall.DeltaY = -(float)(Math.Sin(MathHelper.ToRadians(45)) * 50/*39.7577*/ * time + 0.5 * (gravity * (time * time))); skullBall.DeltaX = (float)(Math.Cos(MathHelper.ToRadians(45)) * 50/*39.7577*/ * time); skullBall.Alive = true; //} } The skull ball represents the cannon ball and the cannon is just the starting point. DeltaX and DeltaY are the values I’m using to update the cannon balls position per update. I know it's dumb to have the cannon ball start at the cannons position every time the update is called but it’s not really noticeable right now. I was wondering if after examining my code, if anyone noticed any errors that would cause the sprite to display frame by frame instead of drawing it as a full animation of the cannon ball leaving the cannon and moving from there.

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• How do I add unmet dependencies for unity-lens-music autogen.sh?

  - by nickform

  I would like to build unity-lens-music on my newly-upgraded Ubuntu 12.10 machine. I followed these instructions from the unity website to get the code. The README was empty but I guessed that ./autogen.sh would be a sensible place to start. Unfortunately it exits with the following error: checking for LENS_DAEMON... no configure: error: Package requirements (glib-2.0 >= 2.27 gobject-2.0 >= 2.27 gio-2.0 >= 2.27 gio-unix-2.0 >= 2.27 dee-1.0 >= 1.0.7 sqlite3 >= 3.7.7 gee-1.0 json-glib-1.0 unity >= 6.90.0 unity-extras >= 6.90.0 tdb >= 1.2.6) were not met: No package 'dee-1.0' found No package 'sqlite3' found No package 'gee-1.0' found No package 'json-glib-1.0' found No package 'unity' found No package 'unity-extras' found No package 'tdb' found When I attempt to satisfy the dependencies that aren't found using apt-get install I either find that there is no exact match (e.g. 'dee-1.0' which matches several packages), I already have the latest version (e.g. sqlite3, unity) or there is no match at all (e.g. unity-extras and tdb). There is a later suggestion to modify PKG_CONFIG_PATH if I have installed software in a non-standard location but, to my knowledge, I have not. How should I proceed?

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• Nifty GUI Layout

  - by Jason Crosby

  I am new to JME3 game engine but I know Android XML GUI layouts pretty good. I have a simple layout here and I cant figure out what is wrong. Here is my XML code: <?xml version="1.0" encoding="UTF-8"?> <nifty xmlns="http://nifty-gui.sourceforge.net/nifty-1.3.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://nifty-gui.sourceforge.net/nifty-1.3.xsd http://nifty-gui.sourceforge.net/nifty-1.3.xsd"> <useControls filename="nifty-default-controls.xml" /> <useStyles filename="nifty-default-styles.xml" /> <screen id="start" controller="com.jasoncrosby.game.farkle.gui.MenuScreenGui"> <layer id="layer" backgroundColor="#66CD00" childLayout="center"> <panel id="panel" align="center" valign="center" childLayout="center" visibleToMouse="true"> <image filename="Textures/wood_floor.png" height="95%" width="95%"/> <panel id="panel" align="center" valign="center" childLayout="center" visibleToMouse="true"> <text text="test" font="Interface/Fonts/Eraser.fnt"></text> </panel> </panel> </layer> </screen> Everything works good until I get to displaying the text. I have tried different alignments and tried moving the text into different panels but no matter what I do the text is never in the center of the screen. Its always in the upper left corner so far I can only see the lower right part of the text. I'm sure it has to be something simple but since I'm new to this I'm not noticing anything. Thanks for the help in advance.

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• How can I reduce the amount of time it takes to fully regression test an application ready for release?

  - by DrLazer

  An app I work on is being developed with a modified version of scrum. If you are not familiar with scrum, it's just an alternative approach to a more traditional watefall model, where a series of features are worked on for a set amount of time known as a sprint. The app is written in C# and makes use of WPF. We use Visual C# 2010 Express edition as an IDE. If we work on a sprint and add in a few new features, but do not plan to release until a further sprint is complete, then regression testing is not an issue as such. We just test the new features and give the app a good once over. However, if a release is planned that our customers can download - a full regression test is factored in. In the past this wasn't a big deal, it took 3 or 4 days and the devs simply fix up any bugs found in the regression phase, but now, as the app is getting larger and larger and incorporating more and more features, the regression is spanning out for weeks. I am interested in any methods that people know of or use that can decrease this time. At the moment the only ideas I have are to either start writing Unit Tests, which I have never fully tried out in a commercial environment, or to research the possibilty of any UI Automation API's or tools that would allow me to write a program to perform a series of batch tests. I know literally nothing about the possibilities of UI automation so any information would be valuable. I don't know that much about Unit testing either, how complicated can the tests be? Is it possible to get Unit tests to use the UI? Are there any other methods I should consider? Thanks for reading, and for any advice in advance. Edit: Thanks for the information. Does anybody know of any alternatives to what has been mentioned so far (NUnit, RhinoMocks and CodedUI)?

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• CodePlex Daily Summary for Thursday, September 13, 2012

  CodePlex Daily Summary for Thursday, September 13, 2012Popular ReleasesAustralia Income and Tax Calculator: Australia Income and Tax Calculator: first release, can calculate net income, tax, quarterly/monthly/weekly/daily and hourly taxable/net ratedatajs - JavaScript Library for data-centric web applications: datajs version 1.1.0-beta: datajs is a cross-browser and UI agnostic JavaScript library that enables data-centric web applications with the following features: OData client that enables CRUD operations including batching and metadata support using both ATOM and JSON payloads. Single store abstraction that provides a common API on top of HTML5 local storage technologies. Data cache component that allows reading data ranges from a collection and storing them locally to reduce the number of network requests. Changes...SharePoint (2010) Farm Backup: PowerShell SharePoint (2010) Farm Backup v2.2: Version 2.2 Changelog - Added the ability to export Solutions (WSP) from solution gallery. - Added the ability to exclude MySites from the sites backup. - Added Is-Foundation method to determine whether SharePoint edition is Foundation, Standard or Enterprise to prevent errors when running script on SharePoint Foundation 2010 as Foundation does not have MySite functionality. - Added method to determine amount of storage required for sites backup. Script will now determine total required fo...Metadata Document Generator for Microsoft Dynamics CRM 2011: Metadata Document Generator (2.0.325.117): Add latest version of McTools.Xrm.Connection library to correct Office 365 authentication supportLakana - WPF Framework: Lakana V2: Lakana V2 contains : - Lakana WPF Forms (with sample project) - Lakana WPF Navigation (with sample project)Microsoft SQL Server Product Samples: Database: OData QueryFeed workflow activity: The OData QueryFeed sample activity shows how to create a workflow activity that consumes an OData resource, and renders entity properties in a Microsoft Excel 2010 worksheet or Microsoft Word 2010 document. Using the sample QueryFeed activity, you can consume any OData resource. The sample activity uses LINQ to project OData metadata into activity designer expression items. By setting activity expressions, a fully qualified OData query string is constructed consisting of Resource, Filter, Or...Arduino for Visual Studio: Arduino 1.x for Visual Studio 2012, 2010 and 2008: Register for the visualmicro.com forum for more news and updates Version 1209.10 includes support for VS2012 and minor fixes for the Arduino debugger beta test team. Version 1208.19 is considered stable for visual studio 2010 and 2008. If you are upgrading from an older release of Visual Micro and encounter a problem then uninstall "Visual Micro for Arduino" using "Control Panel>Add and Remove Programs" and then run the install again. Key Features of 1209.10 Support for Visual Studio 2...Microsoft Script Explorer for Windows PowerShell: Script Explorer Reference Implementation(s): This download contains Source Code and Documentation for Script Explorer DB Reference Implementation. You can create your own provider and use it in Script Explorer. Refer to the documentation for more information. The source code is provided "as is" without any warranty. Read the Readme.txt file in the SourceCode.Social Network Importer for NodeXL: SocialNetImporter(v.1.5): This new version includes: - Fixed the "resource limit" bug caused by Facebook - Bug fixes To use the new graph data provider, do the following: Unzip the Zip file into the "PlugIns" folder that can be found in the NodeXL installation folder (i.e "C:\Program Files\Social Media Research Foundation\NodeXL Excel Template\PlugIns") Open NodeXL template and you can access the new importer from the "Import" menuAcDown????? - AcDown Downloader Framework: AcDown????? v4.1: ??●AcDown??????????、??、??、???????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown??????????????????，????????????????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ????32??64? Windows XP/Vista/7/8 ???? 32??64? ???Linux ????(1)????????Windows XP???,?????????.NET Framework 2.0???(x86)，?????"?????????"??? (2)???????????Linux???，????????Mono?? ??...Move Mouse: Move Mouse 2.5.2: FIXED - Minor fixes and improvements.MVC Controls Toolkit: Mvc Controls Toolkit 2.3: Added The new release is compatible with Mvc4 RTM. Support for handling Time Zones in dates. Specifically added helper methods to convert to UTC or local time all DateTimes contained in a model received by a controller, and helper methods to handle date only fileds. This together with a detailed documentation on how TimeZones are handled in all situations by the Asp.net Mvc framework, will contribute to mitigate the nightmare of dates and timezones. Multiple Templates, and more options to...DNN Metro7 style Skin package: Metro7 style Skin for DotNetNuke 06.02.00: Maintenance Release Changes on Metro7 06.02.00 Fixed width and height on the jQuery popup for the Editor. Navigation Provider changed to DDR menu Added menu files and scripts Changed skins to Doctype HTML Changed manifest to dnn6 manifest file Changed License to HTML view Fixed issue on Metro7/PinkTitle.ascx with double registering of the Actions Changed source folder structure and start folder, so the project works with the default DNN structure on developing Added VS 20...Xenta Framework - extensible enterprise n-tier application framework: Xenta Framework 1.9.0: Release Notes Imporved framework architecture Improved the framework security More import/export formats and operations New WebPortal application which includes forum, new, blog, catalog, etc. UIs Improved WebAdmin app. Reports, navigation and search Perfomance optimization Improve Xenta.Catalog domain More plugin interfaces and plugin implementations Refactoring Windows Azure support and much more... Package Guide Source Code - package contains the source code Binaries...Json.NET: Json.NET 4.5 Release 9: New feature - Added JsonValueConverter New feature - Set a property's DefaultValueHandling to Ignore when EmitDefaultValue from DataMemberAttribute is false Fix - Fixed DefaultValueHandling.Ignore not igoring default values of non-nullable properties Fix - Fixed DefaultValueHandling.Populate error with non-nullable properties Fix - Fixed error when writing JSON for a JProperty with no value Fix - Fixed error when calling ToList on empty JObjects and JArrays Fix - Fixed losing deci...Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.66: Just going to bite the bullet and rip off the band-aid... SEMI-BREAKING CHANGE! Well, it's a BREAKING change to those who already adjusted their projects to use the previous breaking change's ill-conceived renamed DLLs (versions 4.61-4.65). For those who had not adapted and were still stuck in this-doesn't-work-please-fix-me mode, this is more like a fixing change. The previous breaking change just broke too many people, I'm sorry to say. Renaming the DLL from AjaxMin.dll to AjaxMinLibrary.dl...DotNetNuke® Community Edition CMS: 07.00.00 CTP (Not for Production Use): NOTE: New Minimum Requirementshttp://www.dotnetnuke.com/Portals/25/Blog/Files/1/3418/Windows-Live-Writer-1426fd8a58ef_902C-MinimumVersionSupport_2.png Simplified InstallerThe first thing you will notice is that the installer has been updated. Not only have we updated the look and feel, but we also simplified the overall install process. You shouldn’t have to click through a series of screens in order to just get your website running. With the 7.0 installer we have taken an approach that a...WinRT XAML Toolkit: WinRT XAML Toolkit - 1.2.2: WinRT XAML Toolkit based on the Windows 8 RTM SDK. Download the latest source from the SOURCE CODE page. For compiled version use NuGet. You can add it to your project in Visual Studio by going to View/Other Windows/Package Manager Console and entering: PM> Install-Package winrtxamltoolkit Features AsyncUI extensions Controls and control extensions Converters Debugging helpers Imaging IO helpers VisualTree helpers Samples Recent changes NOTE: Namespace changes DebugConsol...BIDS Helper: BIDS Helper 1.6.1: In addition to fixing a number of bugs that beta testers reported, this release includes the following new features for Tabular models in SQL 2012: New Features: Tabular Display Folders Tabular Translations Editor Tabular Sync Descriptions Fixed Issues: Biml issues 32849 fixing bug in Tabular Actions Editor Form where you type in an invalid action name which is a reserved word like CON or which is a duplicate name to another action 32695 - fixing bug in SSAS Sync Descriptions whe...Code Snippets for Windows Store Apps: Code Snippets for Windows Store Apps: First release of our snippets! For more information: Installation List of Snippets Minor update 9/13: Updated C# and VB packages -- Converted from VSI installers to ZIP files for easier usage with Visual Studio Express editions. Snippets contained in each package were not altered.New Projectsanother hello world: a very quick test.Atorpat Marquee: This is the advanced marquee pro moduleAustralia Income and Tax Calculator: Calculates australian net income, tax, ratesAuto generate C# DAL, BLL classes and Sql Store Procedures: This program helps to you for auto generate store procedures for Sql and DAL, BLL classes for C# without any extra code.BugSystem: bug systemBuild and Deploy Tool using BTDF: This tool can be used by a build and release manager who can prepare the BizTalk MSI and deploy the application in the corresponding environment. Calculation WebApplication: Calc web appChild&Family Brigade®: This Software, is specially realized for the Family Brigade of Cochabamba Bolivia, this is a nonprofit institution, that helps family's problems.Creative Style System: This is our Sheridan College Capstone project. Bitches.Customizable Process Guidance Content for VS ALM 2012: Customizable process guidance is provided for each of the default process templates that VS ALM TFS 2012 provides. DER_Autoit: 2012-9-13-14-10 ?????！Dynamics Xrm Application Speed Builder: The Dynamics Xrm Application Speed Builder will analyze databases, then create the entities in CRM, attributes, and forms for you. Feed Discovery: Want to subscribe to a web page and can't find the newsfeed? Just rightclick on the page and discover! Subscribe directly in IE, Google Reader or any other.Inmeta Tools for Visual Studio 2012 and TFS 2012: Info comingInventory Manager: Inventory Manager is a small demo project that lets you manage your items.Kayvon's Group: projectsLibreta: Something about LibretaMultiple Image choice custom field type: This solution contains "Custom Field Type" which allows the user to choose multiple images as a choice.PHP-Edin: Php kurs PROJETO PET: Um ambiente social para adoção e apreciação de animais.Read the Reader: Read the Reader is a lightweight Google Reader Client. It runs in the background and tells you, when something's happening.SharePoint 2010 File Recovery: A little utility program to allow you to easily recover files from your SharePoint 2010 content database backupsSistema para estudo do mvc: Estudando asp.mvcSports Center Asp.net MVC Demo: Sample Sports Center Asp.net MVC Project. Good start up kit for getting in to various feature of Asp.net MVC offering. testtom08092012git01: bvcT-SQL implementation of Standard Distribution PDF and CDF: Files for blog post at http://formaldev.blogspot.com/2012/09/T-SQL-NORMDIST-1.htmlWunderlist.com Shortcut Google Chrome Extension: Just exactly that, a shortcut to Wunderlist.com

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