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System & Utilities

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Troy Unrau: The KDE Hiatus

System & Utilities Well folks, time has caught up with me and told me something needs to go: my thesis, faculty presidency, hockey, work, or KDE.

After briefly considering dropping out of my program to work on KDE full-time, I've decided that my KDE commitments have to go. Of course, I can't go without making a few parting remarks (and a shot or two) :)

First, some apologies:

I apologize that my last blog entry caused quite a stir, a cascade of comments, blogs on both sides of the subject, coverage on CNET, and more. I want to stress that KDE likes users. We have an awful lot of them (anyone aware yet of the story about Russia's planned migration of their schools to KDE yet? I think there'll be a dot story about it soon.) Its just that certain users (and I stress, their numbers are really likely less than a dozen people) really need to leave us for other pastures as their presence is harming the project.

As a result of this debate, KDE is drafting ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 03.07.2008 | Прочитано: 948 | Комментарии
16 | System & Utilities | http://troy-at-kde.livejournal.com/18018.html | 4525 |

Screen-by-Screen Guide to Installing KDE Apps in Windows [Screenshots]

System & Utilities

A project to port the KDE Linux Desktop's apps to Windows has been slowly gathering steam for some time now, but installing some of the more noteworthy apps, including the Kopete messenger, Amarok media ...


  
Подробнее | Разместил: KDE News | Дата: 03.07.2008 | Прочитано: 1108 | Комментарии
16 | System & Utilities | http://www.topix.com/tech/kde/2008/07/screen-by-screen-guide-to-installing-kde-apps-in-windows-screenshots?fromrss=1 | 4524 |

Fred Emmott (fred87): Slamd64 12.1

System & Utilities Face of Fred Emmott (fred87)Slamd64 Logo

Slamd64 12.1 has now been released (and was uploaded late last week), with many improvements and a new logo (thanks to Marc Carson). For full details, see the release announcement.


  
Подробнее | Разместил: Planet KDE | Дата: 02.07.2008 | Прочитано: 718 | Комментарии
16 | System & Utilities | http://www.fredemmott.co.uk/blog_151 | 4522 |

The critics are wrong: KDE 4 doesn't need a fork

System & Utilities

After the recent release KDE 4.1 beta 2 and openSUSE 11 with KDE 4.0.4, some critics have been especially vocal in expressing their displeasure with the KDE 4 user interface paradigms.


  
Подробнее | Разместил: KDE News | Дата: 02.07.2008 | Прочитано: 1016 | Комментарии
16 | System & Utilities | http://www.topix.com/tech/kde/2008/07/the-critics-are-wrong-kde-4-doesnt-need-a-fork?fromrss=1 | 4520 |

Ariya Hidayat: Converting between HSL and HSV

System & Utilities

Amazingly, tons of code fragments on how to convert between RGB and HSV as well as between RGB and HSL do exist (in any imagineable programming languages). However, googling for HSL to HSV conversion did not reveal anything useful. Maybe I was blind, but there is really no point wasting minutes for something that (should be trivial). A quick glance at the wikipedia article on HSL and HSV gave me the following code:

 1 void hsv_to_hsl(double h, double s, double v,
 2 double* hh, double* ss, double *ll)
 3 {
 4     *hh = h;
 5     *ll = (2 - s) * v;
 6     *ss = s * v;
 7     *ss /= (*ll <= 1) ? (*ll) : 2 - (*ll);
 8     *ll /= 2;
 9 }
10
11 void hsl_to_hsv(double hh, double ss, double ll,
12 double* h, double* s, double *v)
...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 02.07.2008 | Прочитано: 890 | Комментарии
16 | System & Utilities | http://ariya.blogspot.com/2008/07/converting-between-hsl-and-hsv.html | 4519 |

RE: licensing issues going to change?

System & Utilities

Two recent articles cover the success of Trolltech and their product Qt 4, on which KDE 4 will be based.


  
Подробнее | Разместил: KDE News | Дата: 02.07.2008 | Прочитано: 965 | Комментарии
16 | System & Utilities | http://www.topix.com/tech/kde/2008/07/re-licensing-issues-going-to-change?fromrss=1 | 4516 |

Casey Link (ramblurr): GSoC Report Week 5: Harmonizing Amarok

System & Utilities

Project: MP3tunes + Amarok Integration

Total Commits: 106 Weekly Commits: 26

Past 7 Days

I usually aim to post these reports on Monday, but I’m usually wrapping up a final commit or two on Monday night so I wait till Tuesday to post the report. Well now it’s 3:30 on Wednesday morning and I’m just starting. My last commit for “this week” was, oh, about 30 seconds ago.

During the last 7 days I:

  • Patched libmp3tunes to support track fetching based off a filekey.
  • Used the aforementioned patch in Amarok to enable saving of MP3tunes tracks to playlists.
  • Made the MP3tunes Service “Lazy Load” upon Amarok’s start-up.
  • Fixed misc non-mp3tunes related Amarok bugs.
  • Added libmp3tunes::Harmony to the source tree.
  • Created a harmony daemon that runs asynchronously within Amarok.

As usual you can see a list of my most recent commits via my fisheye page.

What the heck is ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 02.07.2008 | Прочитано: 1004 | Комментарии
16 | System & Utilities | http://binaryelysium.com/blog/2008/07/02/gsoc-report-week-5/ | 4515 |

Antonio Aloisio: Hello Planet!

System & Utilities

This is the first time that I post here, but I


  
Подробнее | Разместил: Planet KDE | Дата: 02.07.2008 | Прочитано: 975 | Комментарии
16 | System & Utilities | http://www.gnuton.org/blog/2008/07/hello-planet/ | 4511 |

Chani Armitage (Chani): sharing exposure

System & Utilities

when a project has one person who is significantly more visible than other contributors, speaking often and well, trying to make things happen by communicating outside the project, blogging on important issues, speaking at conferences… a funny thing happens. people seem to assume that person IS the project. they take his opinions as that of the project as a whole, believe that he somehow controls the project (a crazy notion when the project is as big and open as KDE), and some even seem to blame him personally for anything they dislike.

this isn’t good. not for the project, not for the individual. we should discourage people from treating anyone this way. we should try and keep anyone from falling into this position again. we don’t want celebrities.

after the recent drama, I imagine many contributors might want to hide away and make very very sure that they never get this kind of publicity. however, I think that would be bad. I think the problem isn’t exposure per se; it’s the relative levels of exposure for different contributors. ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 02.07.2008 | Прочитано: 958 | Комментарии
16 | System & Utilities | http://chani.wordpress.com/2008/07/01/sharing-exposure/ | 4509 |

Tom Albers: Things that keep me busy

System & Utilities

I did implement a IPv6 network at home and since then I've been begging for some more Sixxs credits and received them. That way I could also hook in some servers at work for testing. To deploy it further I need another fight with ip6tables. Since the concept of NAT is gone in IPv6, I need to shield a segment of the network. Some forward rules should do the trick, just haven't found the right set yet. After that I can do some checking if Mailody is IPv6 proof. I don't expect any problems, but you never know.

I've also been busy at work converting our internal invoicing system to Latex. I never worked with it before so I need to learn a lot. Of course using Kile for that. We used to generate HTML and pressed on the print button of the browser, which worked quite well up to now. Only our current set of browsers can't do the job anymore. Konqueror4 is the worst in that regard, it just places random bits everywhere, black squares in the middle, ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 02.07.2008 | Прочитано: 909 | Комментарии
16 | System & Utilities | http://www.omat.nl/drupal/things-keep-me-busy | 4507 |

Jos van den Oever (vandenoever): W3C: Standardizing the widget landscape

System & Utilities

The World Wide Web Consortium is looking into the feasibility of standardizing desktop widgets. They have done a survey on the widget frameworks available in the market. The frameworks they have surveyed are Konfabulator, Windows Sidebar, Google Desktop Gadgets, Opera Widgets, Mac OSX Dashboard, Web-Runtime by Nokia, and Joost Widgets.

The survey was performed in the first quarter of 2008 and frameworks were chosen because of their perceived prevalence in the market place. Since KDE 4 was only just released and not available as a stable option for any distribution, W3C cannot be blamed for leaving out Plasma.

"The purpose of this document is to provide a holistic overview of the widget space" is what the survey says. It compares the different offerings and tries to unify the nomenclature for the different gadgets/widgets/plasmoids.

In addition to this document, W3C has published a document that "lists the design goals and requirements that a specification would need to address in order to standardize various aspects of widgets." So W3C is ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 01.07.2008 | Прочитано: 884 | Комментарии
16 | System & Utilities | http://www.kdedevelopers.org/node/3541 | 4505 |

Benoit Jacob (bjacob): Eigen2 as a vectorization library

System & Utilities A big issue for any math-oriented software is vectorization i.e. how to make use of instruction sets such as SSE or AltiVec. Unfortunately this seems to be very hard for the compiler to do automatically, and even with Intel's own compiler, with complicated C++ code such as ours, the benefits were small (like +25% with ICC and +5% with GCC).

Yet, the theoretical benefit of vectorization is huge: with SSE, computations of floats can become 4x faster, and more in certain cases. So what math libraries tend to do, is to write their own explicitly vectorized paths for each architecture (SSE, AltiVec...) they support.

This is what Gael Guennebaud did a few monthes ago in Eigen2. We now have generic wrappers for vectorized operations: they abstract the underlying architecture and packet format, and are template in the numeric type. They got specialized by Gael for SSE2 and SSE3 and by ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 01.07.2008 | Прочитано: 1066 | Комментарии
16 | System & Utilities | http://bjacob.livejournal.com/6600.html | 4504 |

Popup Dropper -- now with 400% more droppinness

System & Utilities

First off -- the PUD now lives in the KDE Subversion repository! It's at svn://anonsvn.kde.org/home/kde/trunk/playground/libs/popupdropper -- it builds with CMake and acts as a standalone library.


  
Подробнее | Разместил: KDE News | Дата: 01.07.2008 | Прочитано: 947 | Комментарии
16 | System & Utilities | http://www.topix.com/tech/kde/2008/07/popup-dropper-now-with-400-more-droppinness?fromrss=1 | 4502 |

Harald Hvaal (metellius): Ark: some help on software design please…?

System & Utilities

The last few days I’ve been a little stuck on the Ark coding due to design decisions, but eventually figured a blog post to the community would get the right answers right away. (What I’m currently focusing on building is building a batch extract interface for ark, accessible through command line arguments and only shows the user the progress in a simple progress dialog, exiting when finished.)

Ark is divided into several parts:

  • part - the kpart along with the interface
  • app - the (relatively) trivial application that houses the kpart
  • kerfuffle - the extraction library base
  • plugins - the library plugins

The problems showed up when I tried to let the main app also take some arguments to instead of opening the file in a part, opening the part hidden and extracting the files one by one through it. It works fine with a single file, but once I want to do it sequentually I need some kind of a signal to do it sequentually. I went back and forth between several seemingly possible solutions, ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 01.07.2008 | Прочитано: 1168 | Комментарии
16 | System & Utilities | http://metelliuscode.wordpress.com/2008/07/01/ark-some-help-on-software-design-please/ | 4501 |

Johan Thelin: QCodeEdit

System & Utilities A spin-off from the Edyuk project has finally been released with a website of its own. The QCodeEdit project looks really promissing. What you get is a code editor with syntax highlighting for a range of languages (yes, you can add support for more languages) developed using Qt - i.e. 100% cross platform - and good looking as well.


  
Подробнее | Разместил: Planet KDE | Дата: 01.07.2008 | Прочитано: 1052 | Комментарии
16 | System & Utilities | http://www.thelins.se/johan/2008/07/qcodeedit.html | 4499 |

RE[5]: This might actually be a good thing

System & Utilities

This week's KDE Commit Digest tells about an installer for KDE on Windows and the problems the developers encountered setting up a working environment for KDE to run on.


  
Подробнее | Разместил: KDE News | Дата: 01.07.2008 | Прочитано: 953 | Комментарии
16 | System & Utilities | http://www.topix.com/tech/kde/2008/07/re-5-this-might-actually-be-a-good-thing?fromrss=1 | 4500 |

We need contributors

System & Utilities

Submitted by jason harris on Thu, 06/26/2008 - 22:35. KDE General Have to say, I totally agree with the sentiments expressed by Troy.


  
Подробнее | Разместил: KDE News | Дата: 01.07.2008 | Прочитано: 1005 | Комментарии
16 | System & Utilities | http://www.topix.com/tech/kde/2008/06/we-need-contributors?fromrss=1 | 4496 |

Matt Rogers (mattr): Kudos to the bug triagers

System & Utilities Face of Matt Rogers (mattr)
  • Some recognition for the bugsquad: in the last month, there have been 140 more bugs closed than bugs opened, and I would guess that at least a little bit of that is due to the work that they’ve been doing on triaging Konqueror bugs.
  • Also, thanks to Andreas Pakulat, for going through the KDevelop wishlist bugs and knocking the number of open wishlists down by nearly 150. That’s awesome work!
  • The bugsquad will be hosting two! bug triage days for Kopete in the month of July. I’m looking forward to working with the rest of the community those days to get the Kopete bugs triaged a bit more, helping the few developers Kopete has to prioritize their work
  • Speaking of Kopete, as with any open source project, it could use some more contributors. Please email kopete-devel@kde.org if you’re interested in helping. Artists, coders, people interested in helping with the web site, bug triagers, all are welcome. Update:For those interested in coding, there is a Junior Jobs page at ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 01.07.2008 | Прочитано: 981 | Комментарии
16 | System & Utilities | http://mattr.info:8080/blog/2008/06/30/kudos-to-the-bug-triagers/ | 4495 |

Lydia Pintscher (Nightrose): Let’s be dynamic again!

System & Utilities Face of Lydia Pintscher (Nightrose)

Hands up in the air everyone! Please cheer for Daniel! ;-)
Dynamic playlists are back o/

Daniel, my Summer of Code student, has been working hard to get one of the most loved features of Amarok 1.4 back for Amarok 2 and probably made a lot of people very happy by doing that last week. He implemented a dynamic mode as basis for the biased playlists he will be working on next. First results can be seen now and it is going to be great. It already improved a lot over what we had in Amarok 1.4 because it is easier to discover, configure and use. And I am sure Daniel will continue to improve it and kick ass ;-)

You can read more about it in his status report for this week and of course try it yourself with Neon or your own build. Go read ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 01.07.2008 | Прочитано: 915 | Комментарии
16 | System & Utilities | http://blog.lydiapintscher.de/2008/07/01/lets-be-dynamic-again/ | 4493 |

Bertjan Broeksema: users, contributors, SoC and holliday.

System & Utilities

First of all, I was pretty shocked reading about the disappearing of Aaron and all the fuss around. One of the things I really liked, and still like about the KDE community was the nice atmosphere in the community. I still know how Adriaan encouraged me to write some code for some functionality I wanted into KPilot. And also Jason has been quite an inspirator the last years. They are just some of the guys that help the new comers to step over the doorstep and to join "the club". This is actually exactly what kept me from contributing to my distro of choice. (Yes I switched back again).

Now the question arose, what we need, user or contributors. (1, 2). I think that we need both of them. Even users that do not contribute directly to the project have some use. If only that they show to their family, ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 30.06.2008 | Прочитано: 896 | Комментарии
16 | System & Utilities | http://bertjan.broeksemaatjes.nl/node/27 | 4492 |

Carsten Niehaus (carsten): Converting any window into plasmoid

System & Utilities Moin

Somehow Vladimirs blog disappeared from the planet, that is what he asked me to tell you about his work on Plasma. Please read the cool details (with screenshots) here:

http://ksvladimir.blogspot.com/2008/06/converting-any-window-into-plasmoid.html

  
Подробнее | Разместил: Planet KDE | Дата: 30.06.2008 | Прочитано: 849 | Комментарии
16 | System & Utilities | http://cniehaus.livejournal.com/47700.html | 4491 |

Juan Carlos Torres (jucato): Life’s little (and not so little) annoyances

System & Utilities

So my life has somewhat stabilized again, partly thanks to classes starting (so no more MMORPG playmates) and partly to my own classes having started. I only have 2 subjects this semester, so I thought it’d be easy. But alas! Things aren’t always what they seem. Here’s a series of things that suck or things I suck at lately.

1. Symbolic logic is a bit like math, specially algebra. You get one symbol, just one sign, wrong, and you get a whole bunch of stuff wrong. So when your logic book has lots of typographical errors, specially in rules or principles that are supposed to be the foundation of all other stuff, then you know you’re in a world of hurt. And like algebra again, it’s not simply enough to leave the student with the rules and one or two examples. For first time students, you need to explain how and why an answer was reached. Unfortunately for me, I lost the logic book I had in college years ago, and I can’t find it again on sale (not that ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 30.06.2008 | Прочитано: 1093 | Комментарии
16 | System & Utilities | http://jucato.org/blog/lifes-little-and-not-so-little-annoyances/ | 4488 |

Applications You Can't Live Without

System & Utilities

I find myself using a number of OSes daily but for the OSes I use most, I have some favorite third party applications that I can't live without.


  
Подробнее | Разместил: KDE News | Дата: 30.06.2008 | Прочитано: 797 | Комментарии
16 | System & Utilities | http://www.topix.com/tech/kde/2008/06/applications-you-cant-live-without?fromrss=1 | 4486 |

Ariya Hidayat: return of the graphics dojo: OpenGL-accelerated widgets and Bloom effect

System & Utilities

After almost a year without any sign of life, Samuel and I decide that we should resurrect the Graphics Dojo, i.e. by populating it with some new fresh examples..

Being a graphics ninja, Samuel's first example is on how to (finally) put widgets on OpenGL viewport. This is now made possible thanks to Qt 4.4's new feature of adding widgets to the graphics scene. Check out his example code, it looks awesome and you can play with it for hours!

Qt widgets and OpenGL

Since I'm new to all this magical graphics world, my first example is however fairly simple: Bloom effect (with pure Qt of course). If you are an avid ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 29.06.2008 | Прочитано: 822 | Комментарии
16 | System & Utilities | http://ariya.blogspot.com/2008/06/return-of-graphics-dojo-opengl.html | 4484 |

Patrick Spendrin (SaroEngels): Release Party

System & Utilities I just came home from my clausura now, and I should have gone to the Release Party at KDAB - that would have given me more.
I haven't written in a longer time now; please forgive me.
After the release of KDE 4.0 the kde-windows project decided to stay in trunk - most applications like koffice, amarok and kdepim aren't released yet anyway so no need to make other releases of the branch. Be aware that this might decrease stability - people might work more and change the codebase again.
That said - I will hopefully restart releasing new packages for mingw on my server again on monday night. There is some new stuff that works now:
Finally kdepim works again - that means applications like akregator, kleopatra and kontact work now. Kmail is built but has a big error which isn't solved yet - the checking for a running application are useless under windows. There is just one small thing for users of emerge: you have to build kdepimlibs first and then install kdepimlibs-test (from testing) over it.
then ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 29.06.2008 | Прочитано: 997 | Комментарии
16 | System & Utilities | http://saroengels.blogspot.com/2008/01/release-party.html | 4483 |

'Aaron, we owe you' or 'Why I am happy that Nepomuk is not as popular as Plasma'

System & Utilities

Submitted by trueg on Thu, 06/26/2008 - 09:50. After more than two weeks of vacation I read up on my email and of course am also sickened by some of the stuff I have to read there.


  
Подробнее | Разместил: KDE News | Дата: 28.06.2008 | Прочитано: 1122 | Комментарии
16 | System & Utilities | http://www.topix.com/tech/kde/2008/06/aaron-we-owe-you-or-why-i-am-happy-that-nepomuk-is-not-as-popular-as-plasma?fromrss=1 | 4480 |

Patrick Spendrin (SaroEngels): Python: subprocesses after all

System & Utilities Back in September 2007 I was sitting with dipesh until late in the night on a very interesting problem:
We wanted to implement a "tee"-like class in python which would work as the same command under unix: get input via one stream, double the input and give it out into a file and into a stream (like sys.stdout). This shouldn't be a big problem but when you try to give this class to subprocess.Popen as one of the streams you will find out that Popen doesn't use the write function but instead uses the fileno() function of the fileobject. But there would be a workaround for that:
We use subprocess.PIPE for the wanted input stream, then we check regularly for any stuff within the pipe - that this will not work on windows one could expect.
The problem is that all available read processes will block execution if not enough bytes can be read.

The solution is called pywin32 and is a python package for windows. Mark Hammond ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 27.06.2008 | Прочитано: 746 | Комментарии
16 | System & Utilities | http://saroengels.blogspot.com/2008/06/python-subprocesses-after-all.html | 4474 |

Erlend Hamberg: GSoC 2008: Vi input mode for the Kate kpart

System & Utilities Face of Erlend Hamberg

I’m one of the lucky students doing a Google Summer of Code project for KDE, and I would like to introduce my project.  I’m making a vi-like, modal editing mode for the Kate kpart. I’m doing this because many people—me included—find using a vi-like editor much more efficient and pleasant than using a non-modal editor. Especially for editing code. This will of course be an optional mode, and if you don’t want to use it, you will never notice it. This should be obvious, but I want to mention it because I have already gotten a reaction from a Kate user who were frightened to death when he heard the word “vi” and feared that I will destroy his beloved Kate. Fear not! :-)

My reference vi implementation is Vim, which is superior to the original vi in many ways. Especially text objects is a brilliant addition and will be supported by Kate’s vi input mode.

...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 27.06.2008 | Прочитано: 1022 | Комментарии
16 | System & Utilities | http://hamberg.no/erlend/index.php/2008/06/27/gsoc-2008-vi-input-mode-for-the-kate-kpart/ | 4472 |

Sebastian Kuegler: benchmarking XRender performance, how to file nvidia bugs

System & Utilities Blauzahl asks where to file bugs we encounter in the nvidia drivers. Last night, after my previous blogentry Fredrik told me he disagreed that it's hard to find nvidia engineers that can help with this kind of performance problems. It seems some hang out in #xorg-devel, and our planet admin Chris Lee is currently working on the NVidia Linux team as well. Fredrik pointed me to a benchmark that measures the performance of various XRender calls. Running it shows that most of the tests are very fast (1 - 20 milliseconds) or very slow (most between 8 and 16 seconds). That means lots of operations take 400 times as long as others. On my notebook's ati x1300 using the fglrx driver, I get results of 20 milliseconds for the 'faster' operations. Not a single test takes more than 2.5 seconds. So nvidia is faster , but only for some tests. Overall, ATI performs better in these tests. And then maybe those operations can be accelerated in the driver. ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 27.06.2008 | Прочитано: 876 | Комментарии
16 | System & Utilities | http://vizZzion.org/?blogentry=820 | 4470 |

Seb Ruiz (sebr): Amarok 2: Artwork is Back

System & Utilities Face of Seb Ruiz (sebr)

My last couple of weeks has been spent focusing on getting cover art back up to scratch in Amarok 2. Cover art really adds a lot of spice and colour into the UI of the application, especially now that we are showing the artwork in the collection browser, context view and playlist. For those of you who are supremely organised, the collection scanner will now trawl through directories and try to pick up images it thinks are relevant to the songs which are being scanned. Embedded artwork is not implemented currently but it is certainly on the todo list.

Most of the relevant actions can now be executed for artwork: fetching from amazon, setting a custom image, removal and full size display. Music lovers with non English songs can now rejoice because we’ve also fixed some problems fetching artwork for album/artists that have accented characters, which Amazon seemed to have problems with. Another cool feature that we’ve experimented with is automatic cover fetching if there is an album with ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 27.06.2008 | Прочитано: 955 | Комментарии
16 | System & Utilities | http://www.sebruiz.net/337 | 4468 |
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