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System & Utilities

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Micha

System & Utilities

Just a quick update for everyone interested. We closed our old mailing lists hosted by Sourceforge and moved to:

See you there!

Tagged: K3B, KDE

  
Подробнее | Разместил: Planet KDE | Дата: 16.02.2010 | Прочитано: 451 | Комментарии

Ariya Hidayat: new laptop, free yourself!

System & Utilities

The other day, I couldn't resist buying the el-cheapo Athlon 1.6 GHz-powered Acer Aspire 5532 in BestBuy for $330. With its 15.6 inch screen, seems that it is quite a nice bargain. It comes (of course) with Windows 7 Home Premium, but after slapping openSUSE 11.2 DVD I got from the last Camp KDE (must be from Will, thanks dude!) and a bunch of keystrokes, a few hours later the machine happily runs the shiny KDE 4.4. Sound was not a problem, even WiFi was easy to get it working (hard to believe that after all these years, NetworkManager still does not work for me, maybe my bad karma). The included radeonhd driver is good enough for its Radeon HD 3200 (RS780M chipset), but for the sake of testing, I did install ATI fglrx 7.4 10.1 and, voila, I got flawless KWin desktop effects. Even proprietary stuff like Opera, Skype, and Flash plugin faced no serious problem as well.

Time for some ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 16.02.2010 | Прочитано: 445 | Комментарии

Adriaan de Groot (adridg): Paneer (say cheese)

System & Utilities

The kids — now aged five and nearly seven — have some interest in cooking. After all, they see one parent or the other making dinner daily, usually with some narration. Once they’re old enough to hold a paring knife and not cut off their little fingers, I’ve been herding them both into the kitchen for odd jobs like chopping mushrooms, zucchini, bell peppers. Recently I’ve started trying to explain principles to them as well — like what can you do with an egg. Fried or scrambled is familiar to them, and I’ve started explaining why a boiled egg can be soft- or hard-boiled (and playing with the kitchen timer to show them how). Recently we moved a step further with separating an egg and making meringue from the whites and custard from the yolks. Kitchen chemistry at its best.

This weekend the “kid’s science corner” in the paper (with Dr. Zeepaard) had an item on “gummy cheese”, which they made with milk and vinegar — warning that it’s inedible. That prompted me to go looking for edible recipes, which ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 16.02.2010 | Прочитано: 573 | Комментарии

Kde SC 4.4 Released

System & Utilities

And there we are, the KDE team has released KDE Software Compilation 4.4, formerly known as, well, KDE.


  
Подробнее | Разместил: KDE News | Дата: 16.02.2010 | Прочитано: 416 | Комментарии

Aurelien Gateau: A week in Portland, Oregon

System & Utilities

I spent the first week of February in Portland, where I attended Canonical Platform Sprint for Ubuntu Lucid. We got some good work done on the DBusMenu front. You can read about it on Jono and Jorge blog posts.


  

Подробнее | Разместил: Planet KDE | Дата: 16.02.2010 | Прочитано: 481 | Комментарии

Boudewijn Rempt's Krita blog: Last week in Krita -- week 6

System & Utilities

Last week in Krita -- week 6

Last week was a frustrating week for your correspondent: he didn't manage to get much work done on Krita, also because he had to leave for Ersingen-K


  
Подробнее | Разместил: Planet KDE | Дата: 16.02.2010 | Прочитано: 409 | Комментарии

Adriaan de Groot (adridg): Hola, Amigo

System & Utilities

Hola, MeeGo. Not amoeba. Not mi-go (I wonder if they stay at the YMRCIGB-S?). The Register has a little bit on it, and Engadget has it labeled “a doozy?” With Intel and Nokia cooperating on a single Maemo/Moblin platform, re-dubbed MeeGo, we’re seeing a reduction (in the medium term at least) of the number of platforms for smartphones and devices (leaving Windows mobile, iPhone OS, Bada, Android, Symbian still out there as well as plenty of others, I’m sure).

At OSiMWorld last year I fiddled around with Moblin devices and thought they were OK — but unfinished. I haven’t done a whole lot with Maemo, either. But the two of them together, on ARM and x86 platforms? Sounds to me like a strong mix if the license-to-tinker and the dedication to Free Software remains. Since MeeGo is to live under the auspices of the Linux Foundation, I think that’s a given. In addition, there’s a history of working towards good governance there (by all three parties involved). I ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 15.02.2010 | Прочитано: 523 | Комментарии

Peter Penz: Visiting Openismus in Berlin

System & Utilities On February the 1st I started my new job at Openismus. Most of the time I can work at home in Austria, but last Wednesday I got the chance to meet the Openismus team at their office in Berlin. Beside my first visit of Openismus, it was also my first visit of Berlin. I was very impressed by both of them: the team and Berlin.

I got the chance to do some trials with Qt on Maemo and to get familiar with what is working well and which parts still need a lot of investigations. All developers at Openismus are Gnome people, being the only one using KDE is not always easy ;-) But maybe it helped that Dolphin does not look so much different in comparison to Nautilus - I even got a KDE-sticker from an Openismus colleague.

I'm learning a lot of new stuff currently and will have ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 15.02.2010 | Прочитано: 521 | Комментарии

Lukas Tvrdy (lukast): Week 3: Photoshop brushes

System & Utilities

Last week was devoted to add support for abr and vbr brushes. The abr file format comes from Adobe Photoshop, the later comes from Gimp. The motivation for this were the big collections on the web. Sites like deviantart.com are full of the artist’s collection of the abr brushes. The motivation is also interoperability with GIMP and with proprietary Adobe Photoshop. vbr brush support was postponed because it was too much work just to support abr brushes.

First day I started with exploring the abr format, so that we know each other a bit. I started to write simple code to parse it, but I found out that the issue is so complicated. Valek Filippov is working on the python script which parses abr brush, so I started with that one. Important note: We support only brush format v1, v2 and v6.2 (Photoshop CS2). The newest format is not documented at all and there is not open-source implementation around. It would require a lot of reverse engineering and that takes so much time, that we ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 15.02.2010 | Прочитано: 520 | Комментарии

Vinicius Azevedo (stdcout): Dimpress3D – Sliding Panels Paradigm

System & Utilities

Hi there,

About a month ago I’ve introduced myself and the project that me, Schkrab and Diogo are conducting here.  Now I’ll talk a little more about it.

The Dimpress3D is divided into three main parts: the application (KDE application in which the presentation is made up), the exportation module (piece of code which generates the video file) and the player (a trivial player capable of stop and play the video accordingly to predetermined events, in order to show the presentation softly).

The .dim file saved by the application contains a .xml file which holds the content. The content of the presentation is composed by: graphic components (and its properties),  a state machine which describes the presentation flow, animation and rendering options.

The exportation module is intended to read the .dim file and render a video. For now, we are using a python script running in Blender 2.49 to do so. We will build the application upon a plugin structure that will allow new exporters as well as other features to be dinamically linked.

Now, you can watch the ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 15.02.2010 | Прочитано: 485 | Комментарии

Lubos Lunak (llunak): Exmap fixed, and a little resulting peek at memory usage

System & Utilities

I have fixed Exmap, my still favourite tool to measure system memory usage, to compile with latest kernels, and also to work on x86_64 (the latter was a bit of guess-work, but I think I got it right). KSysGuard seems to be getting close, and with Exmap unmaintained by its author Sad I don't feel like doing this forever, but for now, it's still possible to get exmap from my home:llunak:kernel repository. And as I don't feel like trying to do cross-distro kernel packages in the buildservice, those not using openSUSE are left with either trying to package it for their other distro, or pick out the patches from the .src.rpm .

While I was at it, I had just a little look at memory usage. Since I had done quite some comparisons of KDE3's memory usage with other desktops in the past, the first thing that came to my mind was doing that quickly again. As these days LXDE appears to be the new lightweight kid on the block, I tried ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 15.02.2010 | Прочитано: 403 | Комментарии

Colin Guthrie (coling): This is the route to hell

System & Utilities

So I would like to take a few minutes to talk about audio routing in PulseAudio. This is a oft misunderstood topic and it does sometimes seem like black magic and/or broken but, as always, it's pretty simple when you look at it properly. That's not to say it's sensible (I have a several reservations about the current way of working), but the first step to improving something is understanding it, so I'll try to explain here and then say what I think is needed to improve it. This is a rather complex and in depth post, so if this kind of stuff doesn't float your boat, it's a good candidate to skip :p

So how does PulseAudio route your audio and what the hell do you mean by "audio routing" anyway? Well, PA handles multiple audio devices ("sinks" for output, "sources" for capture). When an application wants to play sound it says "Hey PulseAudio, play this!!", and PA tries it's best to comply. The application will typically not care about which device to actually output too - they ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 14.02.2010 | Прочитано: 796 | Комментарии

Frederik Gladhorn (fregl): Hot new Klassroom - Get started with KDE development

System & Utilities

Since KDE Software Compilation 4.4 we have an updated, improved and easier to use Hot New Stuff framework.
So far only a few test candidates were ported to it, namely the wallpaper dialog, Parley, Plasma comic strips and Amarok when compiled with 4.4.
Now it’s time to change this.
In cooperation with our forums staff, I will start a small course to let someone else do the work for me ;)
Should you participate? This is a great chance to learn about some of KDE’s infrastructure and how to get the source, build it and write some small patches.
You should know some C++ already, since that’s too much to learn in the one or two weeks of the course. Other than that you should have a distro that provides kdelibs 4.4.0 development packages (if there is a kdelibs 4.4 available to you, chances are you’re good to go).
Oh, and you should be interested in hacking on KDE software obviously :)
For more details ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 14.02.2010 | Прочитано: 468 | Комментарии

Mark Kretschmann (markey): Amarok 2.3 - First Look

System & Utilities Amarok user and enthusiast Abhishek has made a great video, showing off some features of the upcoming Amarok 2.3.


Again, please remember that this is a beta release, and some things are not fully finished (e.g. the toolbar).



Enjoy:

Video: Amarok 2.3 First Look


:-)


  
Подробнее | Разместил: Planet KDE | Дата: 14.02.2010 | Прочитано: 447 | Комментарии

Boudewijn Rempt (boud): Playing with KWin's Paint Desktop Effect

System & Utilities

Warning: no videos included, though they would help a lot. Also note that I'm using an Intel chipset in both my laptops (the big one also has an ATI chipset, but that doesn't work.)

Lukas recently discovered that Krita was taking about 100% of one of his CPU's cores. When moving the mouse over the canvas. Since X11 took about 60% of that CPU we immediately thought of painting issues, so I started testing with KWin's Paint desktop effect enabled. That effect overlays every rect that is redrawn with a color.

It quickly became clear that for some reason, updating the mouse position lable in the statusbar would update all of Krita's window: menu, toolbars, canvas, toolbox, dockers and statusbar. Curiously enough, Karbon only updates the statusbar. When I disabled the mouse position label in Krita, the CPU usage was gone.

Then I started playing some more, also on my other laptop and now in Ersingen for the KPresenter sprintlet, we tried the same on Thorsten's laptop. And I'm puzzled by the results:

On my X61t, the areas covered by ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 14.02.2010 | Прочитано: 475 | Комментарии

Sticky Notes For Ubuntu

System & Utilities

Wednesday, February 10th, 2010 by Matt Hartley at 1:13pm No Responses If you goto Applications, Ubuntu Software Center, you will find that there are a few different sticky note type options available.


  
Подробнее | Разместил: KDE News | Дата: 14.02.2010 | Прочитано: 468 | Комментарии

Lim Yuen Hoe (moofang): Plasmate 0.1 alpha1 Screencast!

System & Utilities

Today being the day it is I should start with wishing all my fellow chinks out there a very happy and prosperous Chinese New Year. And then to the rest of the world, Happy Valentines Day! While I’m at it let me also congratulate KDE on a stellar 4.4 software compilation release, thank the openSUSE folks for a pretty darn good upgrade-experience, and of course, last but certainly not least, congratulate Plasmate, the lovable Plasma add-on creation tool, on our recent first ever alpha release!

You cannot imagine how excited I am about this :)

Unfortunately I don’t have much to add to the other posts who have already previously announced the news, so I decided to do a brief showcase screencast instead. It’s a simple one where I demonstrate creating a simple Python plasmoid from scratch in Plasmate, which would hopefully hint at the workflow we are aiming to create as well as demonstrate the salient features that made it into the ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 14.02.2010 | Прочитано: 443 | Комментарии

Milian Wolff (milianw): Kate/KDevelop HackSprint Day 1

System & Utilities

So, first day of the Kate/KDevelop hacksprint.

We just talked and hacked at the rented flat,got to know each other and had a fun time. Everybody made it more or less in time, even last minute attendee Adymo from Ukraine, nice! Hacking-wise the productivity wasn’t that high, esp. for me, but a few patches got committed here and there.

Right now I’m working on a little speedup for Kate, esp. for big MySQL files - lets see how it turns out. Cullmann showed me a few things I could do so maybe it works out, lets see.

Over the next week I plan to push in user configurable include paths for the PHP plugin and do some more Snippets & Scripting work in Kate, lets see how it turns out. I’ll go home now, kinda sucks that I don’t stay with the others here at the flat but have to take a 1h ride into the city… Berlin is definitely too big :D


  
Подробнее | Разместил: Planet KDE | Дата: 14.02.2010 | Прочитано: 443 | Комментарии

Niko Sams (nsams): KDevelop XDebug (Php Debugger)

System & Utilities Another important part of a Web IDE is a debugger. The KDevelop XDebug Plugin is a frontend for the php debugger xdebug, and just had it's first beta release.
I'll explain in this post how to set it up.

Prerequisites:

  • Php
  • XDebug extension
  • xdebug configured to accept remote connections

    • xdebug.remote_enable = 1
    • xdebug.remote_host = localhost (yourhost if on remote server)
  • KDevplatform, KDevelop
  • The following KDevelop Plugins:
    • executescript
    • executebrowser
    • xdebug
    (download here)

Debugging a CLI Script

1. Create Launch Configuration

  • Run » Configure Launches...
  • add Launch Configuration (+)
  • choose Type "Script Application"
  • enter interpreter "php"
  • enter script path
  • activate the new Launch Configuration in Run » Current Launch Config
You may test the Launch Configuration now by executing it (Run » Execute Launch)

2. Start Debugger

  • Set a breakpoint (Run » Toggle Breakpoint, or rightclick on icon border in editor
  • Run » Debug ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 14.02.2010 | Прочитано: 885 | Комментарии

Andreas Pakulat: KDevelop4 Beta8

System & Utilities

I’m pleased to announce (as first as it seems) that KDevelop4 released its 8th Beta. This is mostly a bugfix release as we are slowly (but steadily) moving towards a final release. There’s going to be another Beta soon with (hopefully) some more features as the KDevelop/Kate Sprint just started.

Additionally to kdevelop+kdevplatform you’ll find Beta’s of various php-related plugins on the KDE mirros. These plugins enable language support (code-completion and navigation), php-documentation view and debugging of php code (both standalone and inside a browser via xdebug). These are provided by Milian Wolf and Niko Sams, so join #kdevelop and give them a hug for providing such outstanding php support :)

For those eager to try out (and when the distro hasn’t built packages yet), you can find the files on the KDE mirrors

...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 13.02.2010 | Прочитано: 441 | Комментарии

Anne Wilson (annew): UserBase is not just for English-speakers!

System & Utilities

Current Statistics

It’s a while since I wrote about UserBase, but there’s been plenty of activity.  Let’s look at some statistics, first.  We now have 1,212 content pages and 1,236 uploaded images.  There have been 10,889 page edits since UserBase began – and that will already be out of date by the time you read this.  We have 1,459 registered users, of which 20 have contributed this week.  A year ago that statistic was a mere handful.  The total number of views is now 2,764,290!  Kontact is the most-viewed page – well ahead of the Welcome page – and Akonadi has passed GPU-Performance!  A sign of the times, perhaps.

Top 10 contributors this week

Top 10 contributors this week

Once again the top three places in the Contributions table go to translators.  New contributors since last I wrote are Jzmer, writing about Kimpanel, Afiestas who has undertaken to get the Kbluetooth page sorted out, Aseigo who is writing about Plasmate and Algotruneman – a ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 13.02.2010 | Прочитано: 415 | Комментарии

Aaron Seigo (aseigo): Javascript plasmoids training session #2 tomorrow!

System & Utilities Today's Javascript Plasmoid training session went quite well. Even I learned some things from it, including what I need to communicate a bit more clearly tomorrow (such as "do not ever call resize in your main.js" :). It even led to at least one bugfix in the Javascript Plasmoid code, related to serviceForSource; there is a simple workaround in 4.4.0 though which I will be sure to share with everyone tomorrow.

Tomorrow? Yes, tomorrow! (Well, it's still tomorrow to me here on the West coast of Canada. :)

At 16:00 UTC in #plasma-training on irc.freenode.net on Saturday February 13th I will be repeating today's session. I will also be uploading tomorrow's irc log to plasma.kde.org; I'll link to it from my blog and identi.ca account tomorrow as well. I have today's logs, but I'd prefer to use tomorrow's session instead as there will be a few improvements to the training session that should really be in there.

Today we had nearly 50 people attend, how many will join us tomorrow? :)

If there is demand, I ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 13.02.2010 | Прочитано: 460 | Комментарии

The KDE 4.3 System Settings - Part 4 - Advanced User Settings

System & Utilities

"Welcome to part four of our look at the KDE 4.3 System Settings panel. In this section we'll tackle the Advanced User Settings under the Advanced tab.


  
Подробнее | Разместил: KDE News | Дата: 13.02.2010 | Прочитано: 482 | Комментарии

Sascha Manns (saigkill): Valentine’s Day 2010: Let other show your Love for Free Software

System & Utilities

We all knowing, that on 14. February this Year we celebrating the Valentine’s Day. This is an goog Day to share you Love for Free Software with your Friends, This Campain is started by Free Software Foundation Europe. All Details of this Campain you can see under: http://www.fsfe.org/campaigns/valentine-2010/ Have alot of Fun :-)


  
Подробнее | Разместил: Planet KDE | Дата: 13.02.2010 | Прочитано: 420 | Комментарии

Ian Monroe (eean): A Tale of Two Qt Mobile UI Toolkits

System & Utilities

In the now three years since Nokia purchased Qt I have been impressed to the extent that Nokia is taking advantage of their new Qt technology. It's basically turning into their development development SDK for all their smart phones. This is more or less what the press releases said at the time. But I'm sure eBay sent out a bunch of nice press releases about how helpful their 3 billion dollar Skype purchase was going to be for them... and look what that got them. However in the case of Qt those press releases (as I remember them) turned out to more or less be spot on.

As anyone with a N810 can tell you, you can't just stick a desktop UI on to a small device. It needs to be thumb-friendly.

One solution is QML. It's a declarative language, which opens up some interesting possibilities. However it currently isn't a toolkit, but only has primitive shapes. It's not really clear what the longterm plans for QML are. With its tight integration with QtScript its already pretty ideal for making simple ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 12.02.2010 | Прочитано: 450 | Комментарии

Stefan Majewsky (majewsky): Kolf: 1. Box2D, 2. ???, 3. Profit!!!

System & Utilities

The semester is nearly finished; Tuesday is the last exam (on quantum field theory). So finally I have some time for hacking. In the last few months, aside from some personal stuff, hacking almost exclusively meant Palapeli for me. I’m currently working on the design of the next version of Palapeli (with GHNS and puzzle piles, if everything works out), but that’s not what I’m hacking on right now.

In Kolf 2, I’ve decided some time ago to abandon the third spatial dimension and completely return to the classic Kolf feeling. This big change means exchanging the Open Dynamics Engine by a 2D physics engine. There seems to be only one good 2D physics engine around, Box2D. Incidentally, Box2D switched to CMake just two weeks ago.

After only some hours, I had some first prototypes of how I could implement the current Kolf-NG on top of Box2D. In order to get a clean design, I chose not to rewrite Kolf-NG from ODE to Box2D, but to create a complete new Kolf, with big parts of code ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 12.02.2010 | Прочитано: 542 | Комментарии

Paul Adams: KDE 4.4 Release Event - Glasgow

System & Utilities

Really?… A KDE event in the UK? Aye. Scotland, no less.

  • Date: 20/02/10
  • Time: 16:00 - 22:00
  • Place: Electron Club, CCA, 350 Sauchiehall Street, Glasgow, G2 3JD
  • Organizer: Kenny Duffus

If you are based in the UK want to join in the fun, drop an email to Kenny. If you are interested in KDE, a user ir a developer and want to see the advances that have been made in KDE 4.4, please come along.


  
Подробнее | Разместил: Planet KDE | Дата: 12.02.2010 | Прочитано: 525 | Комментарии

Two Billion-Transistor Beasts: POWER7 and Niagara 3

System & Utilities

"In years past, an ISSCC presentation on a new processor would consist of detailed discussion of the chip's microarchitecture , along with at least one shot of a floorplan that marked out the location of major functional blocks .


  
Подробнее | Разместил: KDE News | Дата: 12.02.2010 | Прочитано: 410 | Комментарии

Celeste Paul (seele): #WashingtonDC KDE 4.4 Release Party Tomorrow!

System & Utilities

Just a reminder that the KDE 4.4 release party is tomorrow, February 12 2010 at Fudruckers in Columbia Maryland. Jonathan Riddell will also be giving his CALUG/MD Loco talk that was canceled on Wednesday due to snow. More information…


  
Подробнее | Разместил: Planet KDE | Дата: 12.02.2010 | Прочитано: 437 | Комментарии

Jos van den Oever (vandenoever): Silent Metronome in QML

System & Utilities

Tonight I could not attend band rehearsal so I used the time to play with the new QML language. There is a nice tutorial online and a good screencast.

QML allows one to write flashy applications with little code. My first QML program is a metronome. The N900 has a metronome program but it is rather boring. It does not look and feel like a real metronome. So I set out to write one in QML and managed to do so in 56 lines of QML. The interaction is simple: tap it to toggle between on and off and slide up and down to move the cross-bar on the metronome which will adjust the tempo in the range 40 to 208 beats per minute.

Without further ado here is the code. You can run it in qmlviewer. Two things are lacking at the moment: a nice SVG image of a metronome and of course the ticking sound. I am keen to find out how to make the metronome produce sound to make it useful.

...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 12.02.2010 | Прочитано: 445 | Комментарии
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