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• Helping install mrcwa and solve problems with f2py in Ubuntu 14.04 LTS

  - by user288160

  I am sorry if this is the wrong section but I am starting to get desperate, please someone help me... I need to install the program mrcwa-20080820 (sourceforge.net/projects/mrcwa/) because a summer project that I am involved. I need to use it together with anaconda (store.continuum.io/cshop/anaconda/), I already installed Anaconda and apparently it is working. When I type: conda --version I got the expected answer. conda 3.5.2 If I tried to import numpy or scipy with python or simple type f2py there are no errors. So far so good. But when I tried to install this program sudo python setup.py install I got these errors: running install running build sh: 1: f2py: not found cp: cannot stat ‘mrcwaf.so’: No such file or directory running build_py running install_lib running install_egg_info Removing /usr/local/lib/python2.7/dist-packages/mrcwa-20080820.egg-info Writing /usr/local/lib/python2.7/dist-packages/mrcwa-20080820.egg-info Obs: I am trying to use intel fortran 64-bits and Ubuntu 14.04 LTS. So I was checking f2py and tried to execute the program hello world f2py -c -m hello hello.f from here: cens.ioc.ee/projects/f2py2e/index.html#usage and I had some problems too: running build running config_cc unifing config_cc, config, build_clib, build_ext, build commands --compiler options running config_fc unifing config_fc, config, build_clib, build_ext, build commands --fcompiler options running build_src build_src building extension "hello" sources f2py options: [] f2py:> /tmp/tmpf8P4Y3/src.linux-x86_64-2.7/hellomodule.c creating /tmp/tmpf8P4Y3/src.linux-x86_64-2.7 Reading fortran codes... Reading file 'hello.f' (format:fix,strict) Post-processing... Block: hello Block: foo Post-processing (stage 2)... Building modules... Building module "hello"... Constructing wrapper function "foo"... foo(a) Wrote C/API module "hello" to file "/tmp/tmpf8P4Y3/src.linux-x86_64-2.7 /hellomodule.c" adding '/tmp/tmpf8P4Y3/src.linux-x86_64-2.7/fortranobject.c' to sources. adding '/tmp/tmpf8P4Y3/src.linux-x86_64-2.7' to include_dirs. copying /home/felipe/.local/lib/python2.7/site-packages/numpy/f2py/src/fortranobject.c -> /tmp/tmpf8P4Y3/src.linux-x86_64-2.7 copying /home/felipe/.local/lib/python2.7/site-packages/numpy/f2py/src/fortranobject.h -> /tmp/tmpf8P4Y3/src.linux-x86_64-2.7 build_src: building npy-pkg config files running build_ext customize UnixCCompiler customize UnixCCompiler using build_ext customize Gnu95FCompiler Could not locate executable gfortran Could not locate executable f95 customize IntelFCompiler Found executable /opt/intel/composer_xe_2013_sp1.3.174/bin/intel64/ifort customize LaheyFCompiler Could not locate executable lf95 customize PGroupFCompiler Could not locate executable pgfortran customize AbsoftFCompiler Could not locate executable f90 Could not locate executable f77 customize NAGFCompiler customize VastFCompiler customize CompaqFCompiler Could not locate executable fort customize IntelItaniumFCompiler customize IntelEM64TFCompiler customize IntelEM64TFCompiler customize IntelEM64TFCompiler using build_ext building 'hello' extension compiling C sources C compiler: gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC creating /tmp/tmpf8P4Y3/tmp creating /tmp/tmpf8P4Y3/tmp/tmpf8P4Y3 creating /tmp/tmpf8P4Y3/tmp/tmpf8P4Y3/src.linux-x86_64-2.7 compile options: '-I/tmp/tmpf8P4Y3/src.linux-x86_64-2.7 -I/home/felipe/.local/lib/python2.7/site-packages/numpy/core/include -I/home/felipe/anaconda/include/python2.7 -c' gcc: /tmp/tmpf8P4Y3/src.linux-x86_64-2.7/hellomodule.c In file included from /home/felipe/.local/lib/python2.7/site-packages/numpy/core/include/numpy/ndarraytypes.h:1761:0, from /home/felipe/.local/lib/python2.7/site-packages/numpy/core/include/numpy/ndarrayobject.h:17, from /home/felipe/.local/lib/python2.7/site-packages/numpy/core/include/numpy/arrayobject.h:4, from /tmp/tmpf8P4Y3/src.linux-x86_64-2.7/fortranobject.h:13, from /tmp/tmpf8P4Y3/src.linux-x86_64-2.7/hellomodule.c:17: /home/felipe/.local/lib/python2.7/site-packages/numpy/core/include/numpy/npy_1_7_deprecated_api.h:15:2: warning: #warning "Using deprecated NumPy API, disable it by " "#defining NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp] #warning "Using deprecated NumPy API, disable it by " \ ^ gcc: /tmp/tmpf8P4Y3/src.linux-x86_64-2.7/fortranobject.c In file included from /home/felipe/.local/lib/python2.7/site-packages/numpy/core/include/numpy/ndarraytypes.h:1761:0, from /home/felipe/.local/lib/python2.7/site-packages/numpy/core/include/numpy/ndarrayobject.h:17, from /home/felipe/.local/lib/python2.7/site-packages/numpy/core/include/numpy/arrayobject.h:4, from /tmp/tmpf8P4Y3/src.linux-x86_64-2.7/fortranobject.h:13, from /tmp/tmpf8P4Y3/src.linux-x86_64-2.7/fortranobject.c:2: /home/felipe/.local/lib/python2.7/site-packages/numpy/core/include/numpy/npy_1_7_deprecated_api.h:15:2: warning: #warning "Using deprecated NumPy API, disable it by " "#defining NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp] #warning "Using deprecated NumPy API, disable it by " \ ^ compiling Fortran sources Fortran f77 compiler: /opt/intel/composer_xe_2013_sp1.3.174/bin/intel64/ifort -FI -fPIC -xhost -openmp -fp-model strict Fortran f90 compiler: /opt/intel/composer_xe_2013_sp1.3.174/bin/intel64/ifort -FR -fPIC -xhost -openmp -fp-model strict Fortran fix compiler: /opt/intel/composer_xe_2013_sp1.3.174/bin/intel64/ifort -FI -fPIC -xhost -openmp -fp-model strict compile options: '-I/tmp/tmpf8P4Y3/src.linux-x86_64-2.7 -I/home/felipe/.local /lib/python2.7/site-packages/numpy/core/include -I/home/felipe/anaconda/include/python2.7 -c' ifort:f77: hello.f /opt/intel/composer_xe_2013_sp1.3.174/bin/intel64/ifort -shared -shared -nofor_main /tmp/tmpf8P4Y3/tmp/tmpf8P4Y3/src.linux-x86_64-2.7/hellomodule.o /tmp/tmpf8P4Y3 /tmp/tmpf8P4Y3/src.linux-x86_64-2.7/fortranobject.o /tmp/tmpf8P4Y3/hello.o -L/home/felipe /anaconda/lib -lpython2.7 -o ./hello.so Removing build directory /tmp/tmpf8P4Y3 Please help me I am new in ubuntu and python. I really need this program, my advisor is waiting an answer. Thank you very much, Felipe Oliveira.

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• How do I restore compiz advanced zoom?

  - by Roland Taylor

  I lost compiz zoom due to some incompatibility that I am not sure about. I read about a fix before, but I forgot what it is. When I try to zoom with the super key and mouse it just vibrates the cursor. After further testing to find the problem, I know it has to be something that is trying to put the pointer to the centre of the screen. Hopefully someone will be able to track down the cause, because so far I cannot. EDIT - I've tried all kinds of options, including resetting all the settings on the plugin, still no change. I can't zoom, even if I change the keys. If it helps, restraining the mouse to the zoom area makes it jump to one side of the screen. Could it be that I have dual outputs that is causing the problem?

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• Issues with ganglia and upstart in 13.04

  - by theist

  I'm having an issue with ganglia-monitor and upstart. Just after installing it starts and it cannot be stopped. I tried to solve it following http://upstart.ubuntu.com/cookbook/#expect but I can achieve upstart to track the actual pid of gmond. Assuming the configuration of the init config is wrong i followed direcetions in http://upstart.ubuntu.com/cookbook/#how-to-establish-fork-count in order to try to fix it. As it states a count of 1 means "exec fork" stanza and 2 means "exec daemon" .... gmond gives a count of 8... And of course I can get it to track the actual PID. I haven't found a bug report or something like that. Is there something I missed ? Upstart seems to be failing and the worst thing is that upstart hangs on start/stop and I cannot even uninstall or reconfigure packages.

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• 13.10 - Black borders, black terminal

  - by Eric

  I've just upgraded to Ubuntu 13.10 and I'm seeing a strange behaviour. All windows I open have a black, boxy border, including popups, as you can see in the provided image. (The black box in the bottom right is a terminal, which fails to display any text. However, I can enter commands and they execute.) I followed the steps in this post: How do I reset my Unity configuration? to reset Unity using the unity-tweak-tool. Although helpful, that did not fix the issue. I'm thinking this may be a graphics card driver issue. Any help is much appreciated.

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• WCF Error when using “Match Data” function in MDS Excel AddIn

  - by Davide Mauri

  If you’re using MDS and DQS with the Excel Integration you may get an error when trying to use the “Match Data” feature that uses DQS in order to help to identify duplicate data in your data set. The error is quite obscure and you have to enable WCF error reporting in order to have the error details and you’ll discover that they are related to some missing permission in MDS and DQS_STAGING_DATA database. To fix the problem you just have to give the needed permession, as the following script does: use MDS go GRANT SELECT ON mdm.tblDataQualityOperationsState TO [VMSRV02\mdsweb] GRANT INSERT ON mdm.tblDataQualityOperationsState TO [VMSRV02\mdsweb] GRANT DELETE ON mdm.tblDataQualityOperationsState TO [VMSRV02\mdsweb] GRANT UPDATE ON mdm.tblDataQualityOperationsState TO [VMSRV02\mdsweb] USE [DQS_STAGING_DATA] GO ALTER AUTHORIZATION ON SCHEMA::[db_datareader] TO [VMSRV02\mdsweb] ALTER AUTHORIZATION ON SCHEMA::[db_datawriter] TO [VMSRV02\mdsweb] ALTER AUTHORIZATION ON SCHEMA::[db_ddladmin] TO [VMSRV02\mdsweb] GO Where “VMSRV02\mdsweb” is the user you configured for MDS Service execution. If you don’t remember it, you can just check which account has been assigned to the IIS application pool that your MDS website is using:

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• Stupid Geek Tricks: Use Google Chrome Drag/Drop to Upload Files Easier

  - by The Geek

  There’s nothing more annoying than saving a file somewhere on your hard drive, and then having to browse for that file again when you’re trying to upload it somewhere on the web. Thankfully Google Chrome makes this process much easier. Note: this might potentially work in Firefox 4, but we didn’t take the time to test it out. It definitely doesn’t work in Firefox 3.6 or Internet Explorer Latest Features How-To Geek ETC The How-To Geek Holiday Gift Guide (Geeky Stuff We Like) LCD? LED? Plasma? The How-To Geek Guide to HDTV Technology The How-To Geek Guide to Learning Photoshop, Part 8: Filters Improve Digital Photography by Calibrating Your Monitor Our Favorite Tech: What We’re Thankful For at How-To Geek The How-To Geek Guide to Learning Photoshop, Part 7: Design and Typography Happy Snow Bears Theme for Chrome and Iron [Holiday] Download Full Command and Conquer: Tiberian Sun Game for Free Scorched Cometary Planet Wallpaper Quick Fix: Add the RSS Button Back to the Firefox Awesome Bar Dropbox Desktop Client 1.0.0 RC for Windows, Linux, and Mac Released Hang in There Scrat! – Ice Age Wallpaper

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• Apport-gpu-error-intel.py crash

  - by artfulrobot

  Feeling disempowered by Ubuntu's new bug reporting policy/system. My Intel i5 machines have all experienced daily (if not more frequent) freezes, but it's very difficult to report bugs now and policy instead is just for ubuntu to collect counts; no way for me to see that anything is (or is not) being worked on. I've just experienced a freeze and now on reboot I'm stuck in a cycle of "Ubuntu has an internal error" (presumably Ubuntu never experiences an external error...) do you want to report it? Yes. Oh another internal error... It looks like this report could contain useful information. Is there anyway to make sure it gets provided to the people who can fix it?

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• Game Physics With RK4 Implementation For A 2D Platformer

  - by oscar.rpr

  I been reading about RK4 for physics implementation in a game, so I read in some pages and all people recommend me this page: http://gafferongames.com/game-physics/fix-your-timestep/ This page shows clearly how this one works, but I can't figure out how to implement in my game, maybe I don't understand that good but I find some things that are not really clearly to me. In my game, the player decides when change direction in the X-Axis but I can't figure out how with this RK4 implementation change the direction of the object, in the example the point goes side to side but I don't understand how I can control when he goes right or left. So if anyone can give a little bit of clarity in this implementation and my problem which I do not understand I will be really grateful. Thanks beforehand

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• How to grant write permissions in Samba?

  - by Eric Fossum

  I'm having trouble with read/write permissions on my Samba server, how do I fix my smb.conf and file permissions to have a more unified access? smb.conf [global] workgroup = workgroup netbios name = LnxNAS server string = %h wins support = no dns proxy = no security = user encrypt passwords = yes panic action = /usr/share/samba/panic-action %d [homes] comment = Home Directories [Video] path = /data/eric/Videos [Music] path = /data/eric/Music [Pictures] path = /data/eric/Pictures [data] path = /data my ls -l of /data/eric/Pictures drwxrwxrwx 2 ericfoss root 4096 2011-03-13 22:09 Android Projs drwxrwxrwx 3 ericfoss root 4096 2011-03-13 22:09 Automotive -rwxrwxrwx 1 ericfoss root 2439 2010-12-17 17:03 BDD reduction.png -rwxrwxrwx 1 ericfoss root 2722 2010-12-17 16:55 BDD Tree.png -rwxrwxrwx 1 ericfoss root 7341 2010-12-17 16:46 BDD Tree.xcf -rwxrwxrwx 1 ericfoss root 72421 2007-11-22 22:59 Bum Ninja.jpg -rwxrwxrwx 1 ericfoss root 32152 2010-12-17 21:25 cell transition.png -rwxrwxrwx 1 ericfoss root 40212 2010-12-17 17:55 control graph.png drwxrwxrwx 2 ericfoss root 4096 2011-03-13 22:09 Crap -rwxrwxrwx 1 ericfoss root 82 2010-09-20 17:18 desktop.ini ericfoss@SERVER:~$ If I try to delete \Server\Pictures\Crap it says permission denied, but \Server\data\eric\Pictures\crap can be deleted... I thought security = user took care of this?

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• XNA `tex2Dlod` always returns transparent black

  - by feralin

  I want to sample a texture in a vertex shader, so at first I just tried using float2 texcoords = ...; color = tex2D(texture, texcoords); But apparently I cannot use tex2D in a vertex shader, and must use tex2Dlod. So then I changed the above code to color = tex2Dlod(texture, float4(texcoords, 0, 0)); But now color is always float4(0, 0, 0, 0) (i.e. transparent black). Why is this, and how can I fix it? EDIT: I know for a fact that the texture does not contain just transparent black pixels.

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• Why does my Perl CGI script raise an internal server error on Apache?

  - by itcplpl

  I've installed apache2 on Ubuntu 11.04, and localhost is working. I created a simple printenv.pl script and put it in the following directory $ mv printenv.pl /usr/lib/cgi-bin/ $ chmod +rx /usr/lib/cgi-bin/printenv.pl However when I go to http://127.0.0.1/cgi-bin/printenv.pl, I get a 500 Internal Server Error I checked the error log at /var/log/apache2, and this is what it says: [Mon Oct 24 11:04:25 2011] [error] (13)Permission denied: exec of '/usr/lib/cgi-bin/printenv.pl' failed [Mon Oct 24 11:04:25 2011] [error] [client 127.0.0.1] Premature end of script headers: printenv.pl Any suggestions on how I can fix this and run CGI scripts on my localhost?

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• How do I report a missing package dependency during an upgrade?

  - by crasic

  A friend of mine (somewhat new to linux) recently upgraded from 10.10 to 11.04 and his OS broke from the upgrade. A few minutes of troubleshooting showed that the culprit was the PAE kernel that the upgrade decided to install since it determined he had 4GB of phyisical RAM. More specifically the upgrade forgot to install the linux-headers-generic-pae required by the closed source nvidia drivers. I'm not entirely sure how to report this bug to the devs. Its an easy fix (after booting into the non-pae kernel and installing the package everything worked), but they are encouraging users to use the built-in bug reporting system and I'm not entirely certain how to report update bugs.

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• Can't get wireless on macbook pro 8,2

  - by Jeff

  I'm a linux Newb, and I have tried several of the fixes listed to try and get my wifi drivers to work, but to no avail. Does anyone here know why this isn't working for me, or better yet, how to fix it? Under lspci -vvv I get the following output: 03:00.0 Network controller: Broadcom Corporation BCM4331 802.11a/b/g/n (rev 02) Subsystem: Apple Inc. AirPort Extreme Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast TAbort- SERR- Kernel modules: bcma With sudo lshw -class network I get this output: *-network UNCLAIMED description: Network controller product: BCM4331 802.11a/b/g/n vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:03:00.0 version: 02 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:b0600000-b0603fff Any help would be greatly appreciated!

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• Best way of Javascript web development in Netbeans (Hot deployment)

  - by marcelocbf

  I'm beginning Javascript development and as a beginner in JavaScript I make a lot of mistakes. The way I'm developing is very counter-productive because every mistake I fix I have to shutdown Glassfish, re-build the app and re-deploy it. My app is a Java back-end with REST services and the Html, JavaScript, CSS for the frontend. Everything is packed in a .ear file. As of right now, I'm just working with the frontend but I do have to make this whole process to update the files. My question is ... is there a better way of doing this? Can somebody tell how do you guys work in a similar setup to do the everyday development?

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• VS 2010: SP1

  - by xamlnotes

  I posted this yesterday but had the wrong link at the bottom. SP1 for VS 2010 just hit the web today. Check it out at http://support.microsoft.com/kb/983509/en-usHTH This should fix lots of big and little things such as startup time, bugs and more. Plus there are tons of features in there too for web, xaml, and other application types.  I am really excited about the unit testing and load testing features that were added. Theres also an update for .Net 4 framework. And check out the new Silverlight performance wizard. Lots of really cool stuff. Get it today! For now I looks like only MSDN subscribers can download it. Download it from here: http://msdn.microsoft.com/en-us/vstudio/default

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• VS 2010: SP1

  - by xamlnotes

  SP1 for VS 2010 just hit the web today. Check it out at http://support.microsoft.com/kb/983509/en-usHTH This should fix lots of big and little things such as startup time, bugs and more. Plus there are tons of features in there too for web, xaml, and other application types.  I am really excited about the unit testing and load testing features that were added. Theres also an update for .Net 4 framework. And check out the new Silverlight performance wizard. Lots of really cool stuff. Get it today! Download it from here: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=11ea69cb-cf12-4842-a3d7-b32a1e5642e2

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• Theme changes after resuming from suspend in 10.10

  - by mouche

  I'm using a Dell Inspiron 1520 and Ubuntu 10.10. I've read a lot of questions about graphics problems after resuming from suspend, but most of them are much more serious than mine. I can boot, login and use Ubuntu fine. The problem is that my theme for my top bar and bottom bar changes to gray and blocky (not rounded). Oddly enough, the theme for the title bars of my windows stay the same dark theme. Any ideas how I can fix this? It works fine if I logout and log back in.

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• GDC 2012: DXT is NOT ENOUGH! Advanced texture compression for games

  GDC 2012: DXT is NOT ENOUGH! Advanced texture compression for games (Pre-recorded GDC content) Tired of fighting to fit your textures on disk? Too many bad reviews on long download times? Fix it! Don't settle for putting your raw DXT files in a ZIP, instead, compress your DXT textures by an extra 50%-70%! This talk will cover various ways to increase the compression of your game textures to allow for smaller distributables without introducing error, and allowing for fast on-demand decompression at run time. We'll cover how to losslessly squeeze your data with Huffman, block expansion, vector quantization, and we'll even take a look at what MegaTexture is doing too. If you've ever fought to fit textures into memory, this is the talk for you. Speaker: Colt McAnlis From: GoogleDevelopers Views: 1132 21 ratings Time: 33:05 More in Science & Technology

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• Brightness keys adjust brightness too many times

  - by erjiang

  Every time I hit a brightness key on my laptop's keyboard, it adjusts the brightness by three steps instead of one. How can I fix it so that it only adjusts one step at a time? I am using an Acer Aspire D250 with the newest firmware. It was working better when I was using Ubuntu 10.10 with older firmware (although the scale was off). Any tips on debugging this would be appreciated. Edit: My graphics: 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03) /sys/class/backlight$ ls acpi_video0 intel_backlight

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• Ubuntu One Installation error - W:Failed to fetch cdrom://Ubunto 12.04.2 LTS_Precise

  - by Chuck J

  W:Failed to fetch cdrom://Ubunto 12.04.2 LTS_Precise Pangolin_-Release amd64(20130213)/dists/precise/main/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT.apt-get update cannont be used to add new CD-ROMs, W:Failed to fetch cdrom://Ubuntu 12.04.02 LTS_Precise Pangolin_-Release amd64(201302213)/dists/precise/restriced binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT.-get update connot be used to add new CD-ROMs, E:Some index files failed to download they have been ignored, or old ones used instead. Yes my laptop CD-ROM is not working, and I ASSUME that has something to do with this install not working. I don't want to have to fix my CD-ROM drive to get this to install, and my BIOS does not support disabling it... Any idea's?

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• Create Your Own Geeky LED Holiday Lights with Old Bottles

  - by YatriTrivedi

  Who needs to go buy store-bought lights? Here’s a great geek project for the holidays that’s fairly easy to put together with things most geeks already have. My friend, Chris “Groff” Groff, had the great idea to work up some holiday lights using stuff he had lying around, and a few hours later things turned out quite geeky indeed. Materials Latest Features How-To Geek ETC The How-To Geek Holiday Gift Guide (Geeky Stuff We Like) LCD? LED? Plasma? The How-To Geek Guide to HDTV Technology The How-To Geek Guide to Learning Photoshop, Part 8: Filters Improve Digital Photography by Calibrating Your Monitor Our Favorite Tech: What We’re Thankful For at How-To Geek The How-To Geek Guide to Learning Photoshop, Part 7: Design and Typography Fun and Colorful Firefox Theme for Windows 7 Happy Snow Bears Theme for Chrome and Iron [Holiday] Download Full Command and Conquer: Tiberian Sun Game for Free Scorched Cometary Planet Wallpaper Quick Fix: Add the RSS Button Back to the Firefox Awesome Bar Dropbox Desktop Client 1.0.0 RC for Windows, Linux, and Mac Released

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• Typing commands into a terminal always returns "-bash: /usr/bin/python: is a directory"

  - by Artur Sapek

  I think I messed something up on my Ubuntu server while trying to upgrade to Python 2.7.2. Every time I type in a command that doesn't have a response, the default from bash is this: -bash: /usr/bin/python: is a directory Just like it would say if I typed the name of a directory. But this happens every time I enter a command that doesn't do anything. artur@SERVER:~$ dslkfjdsklfdshjk -bash: /usr/bin/python: is a directory I remember messing with the update-alternatives to point at python at some point, perhaps that could be it? Any inklings as to why this is happening? Related to this problem is also the fact that when I try using easy_install it tells me -bash: /usr/bin/easy_install: /usr/bin/python: bad interpeter: Permission denied /etc/fstab/ is set to exec. I've read that could fix the second problem but it hasn't.

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• What's the deal with URLs for Yandex.Metrica not prepended with "http"?

  - by sharptooth

  The description of Yandex.Metrica explicitly says that URLs like //mc.yandex.ru/metrika/watch.js (no http: in front) that the web site owner has to insert into his pages are not erroneous. So for example this code: <img src="//mc.yandex.ru/watch/00000" style="position:absolute; left:-9999px;" alt="" /> is claimed to be okay. However the code validator thinks such URLs are not okay and I'd rather make the validator happy so that noone breaks the code later trying to "fix" it. Why are these URLs not prepended with http:? What happens if I actually prepend them with http:?

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• Frameskipping in Android gameloop causing choppy sprites (Open GL ES 2.0)

  - by user22241

  I have written a simple 2d platform game for Android and am wondering how one deals with frame-skipping? Are there any alternatives? Let me explain further. So, my game loop allows for the rendering to be skipped if game updates and rendering do not fit into my fixed time-slice (16.667ms). This allows my game to run at identically perceived speeds on different devices. And this works great, things do run at the same speed. However, when the gameloop skips a render call for even one frame, the sprite glitches. And thinking about it, why wouldn't it? You're seeing a sprite move say, an average of 10 pixels every 1.6 seconds, then suddenly, there is a pause of 3.2ms, and the sprite then appears to jump 20 pixels. When this happens 3 or 4 times in close succession, the result is very ugly and not something I want in my game. Therfore, my question is how does one deal with these 'pauses' and 'jumps' - I've read every article on game loops I can find (see below) and my loops are even based off of code from these articles. The articles specifically mention frame skipping but they don't make any reference to how to deal with visual glitches that result from it. I've attempted various game-loops. My loop must have a mechanism in-place to allow rendering to be skipped to keep game-speed constant across multiple devices (or alternative, if one exists) I've tried interpolation but this doesn't eliminate this specific problem (although it looks like it may mitigate the issue slightly as when it eventually draws the sprite it 'moves it back' between the old and current positions so the 'jump' isn't so big. I've also tried a form of extrapolation which does seem to keep things smooth considerably, but I find it to be next to completely useless because it plays havoc with my collision detection (even when drawing with a 'display only' coordinate - see extrapolation-breaks-collision-detection) I've tried a loop that uses Thread.sleep when drawing / updating completes with time left over, no frame skipping in this one, again fairly smooth, but runs differently on different devices so no good. And I've tried spawning my own, third thread for logic updates, but this, was extremely messy to deal with and the performance really wasn't good. (upon reading tons of forums, most people seem to agree a 2 thread loops ( so UI and GL threads) is safer / easier). Now if I remove frame skipping, then all seems to run nice and smooth, with or without inter/extrapolation. However, this isn't an option because the game then runs at different speeds on different devices as it falls behind from not being able to render fast enough. I'm running logic at 60 Ticks per second and rendering as fast as I can. I've read, as far as I can see every article out there, I've tried the loops from My Secret Garden and Fix your timestep. I've also read: Against the grain deWITTERS Game Loop Plus various other articles on Game-loops. A lot of the others are derived from the above articles or just copied word for word. These are all great, but they don't touch on the issues I'm experiencing. I really have tried everything I can think of over the course of a year to eliminate these glitches to no avail, so any and all help would be appreciated. A couple of examples of my game loops (Code follows): From My Secret Room public void onDrawFrame(GL10 gl) { //Rre-set loop back to 0 to start counting again loops=0; while(System.currentTimeMillis() > nextGameTick && loops < maxFrameskip) { SceneManager.getInstance().getCurrentScene().updateLogic(); nextGameTick += skipTicks; timeCorrection += (1000d / ticksPerSecond) % 1; nextGameTick += timeCorrection; timeCorrection %= 1; loops++; } extrapolation = (float)(System.currentTimeMillis() + skipTicks - nextGameTick) / (float)skipTicks; render(extrapolation); } And from Fix your timestep double t = 0.0; double dt2 = 0.01; double currentTime = System.currentTimeMillis()*0.001; double accumulator = 0.0; double newTime; double frameTime; @Override public void onDrawFrame(GL10 gl) { newTime = System.currentTimeMillis()*0.001; frameTime = newTime - currentTime; if ( frameTime > (dt*5)) //Allow 5 'skips' frameTime = (dt*5); currentTime = newTime; accumulator += frameTime; while ( accumulator >= dt ) { SceneManager.getInstance().getCurrentScene().updateLogic(); previousState = currentState; accumulator -= dt; } interpolation = (float) (accumulator / dt); render(interpolation); }

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• Troubleshooting Microsoft Message Queuing Issues on Microsoft Lync Server 2010

  - by John Breakwell

  This blog post sounds specific but most of the troubleshooting tips can be applied to other scenarios: Troubleshooting Microsoft Message Queuing Issues on Microsoft Lync Server 2010 Microsoft Message Queuing (MSMQ) plays an important role in the Microsoft Lync Server 2010 Monitoring/Archiving server infrastructure: in a distributed network environment, MSMQ is used to transmit data from agents located on other servers (such as Front End Servers) to Monitoring/Archiving servers. The purpose of this article is to help you discover the root cause of any MSMQ problems that you might encounter, and to provide suggested ways to fix those problems. Microsoft Lync Server is the new name for Microsoft Office Communications Server. It’s good to see a major product make use of MSMQ – there aren’t many in the public eye (Symantec’s Enterprise Vault comes to mind).

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