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 Everyone here have been working very hard these days. And the difficulties and doubts that appeared gave me the opportunity to learn a lot with the KDE overlords we have here. Yesterday morning we stopped the coding/translation activities a bit to plan what we'll do this year to promote KDE in Latin America.
 | | KDE Promo BOF |
During the Promo BOF, Alvaro said that the KDE community is too small in Argentina and it made us remember that the Brazil situation was very similar around 2008. Five years later, we're here at LaKademy with thirteen Brazilians improving KDE in many different ways. The point is that nothing resist to work and we're doing our best towards the strengthening of the KDE communities in Latin America.
Other subjects in question were: the change of the KDE-BR portal from Wikimedia to a CMS format, ...read more...
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| KMyMoney is the personal finance manager for KDE. It operates in a manner similar to MS Money and Quicken and supports different account types, categorisation of expenses, QIF import/export, multiple currencies, and online banking.
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| I’m planning on taking the Tallink Silja boat from Stockholm to Tallin to get to (and from) Akademy. It is a all-night boat with restaurants, bars and almost whatever you would like. The boat leaves shortly before dinner and arrives shortly after breakfast and it is full of great fun. Last time (Akademy 2010 in Tampere), Inge, Ryan, Chani, Martin and me were on such a boat and it was a nice experience. Anyone up for such a experience this year ? You hopefully know how to reach me
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| Alternative title of the post: Yet another “hey, my proposal got accepted to GSoC!” post. In the next three months I am going to develop a feed aggregator for ownCloud as a Google Summer of Code 2012 (GSoC) project under KDE. The mentors of this project are Frank Osterfeld and Jakob Sack. As you might remember from my previous posts (1 and 2), this belongs to a wider project that aims at synchronizing KDE Akregator on the cloud. If you are interested in more details, you can read my full proposal here.
This is how the web interface of the aggregator is going to look like (in two different views):  
There are big changes happening in these days for ...read more...
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| Kubuntu is a Linux distribution that is based on Ubuntu. The main difference from standard Ubuntu is that KDE Plasma is used instead of Unity.
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| Hello people, First, i was a bit away of blogs (near a year now), but not away from KDE. At the end of the last year, I and my wife (a newcomer here in LaKademy), started to work as teachers. A good way to spread the FOSS among students. As result of being teacher, i wrote a new plugin to rocs, the Rooted tree data structure to teach trees to my students. Also, in this period, i am giving a class about development tools and good practices (all using FOSS tools and communities as examples). I hope to see some patchs in KDE’s review board from my students. The rooted tree plugin was presented to other students (another class) and they like a lot (they can ‘see’ the pointers), but i will talk more about it in another post (maybe with some photos). Well, as you all should know (unless you live in another planet), today LaKademy started, here is some pics http://t.co/PL70O7a0 and http://t.co/PL70O7a0 . Today i moved the Rooted tree plugin, that was in my scratch repo, to ...read more...
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| With a few minor tweaks, one can now edit the contents of XML files and PostgreSQL tables with the libferris REST interface. The YUI web interface has been updated to allow that to easily happen. In the below video, example.xml is first shown and then instead of viewing it as a file, I choose to "read" it as a directory, causing libferris to sniff it out and work out that it can mount that file as a directory for you. The same can be done using "ferrisls example.xml" at the command line. Notice that the read link is only offered on the XML files. This is because libferris tells the client that those are not natively "directories" but can be seen that way if you like. I then simply click down to the "barry" XML element in the mounted XML file. Editing the barry entry will write the data back to the server asynchronously. The terminal is used to verify that things went on back. The second browser tab shows a mounted PostgreSQL table which has ID and Message columns. ...read more...
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| The Skrooge team is pleased to announce the release 1.3.0 of its popular personal finances management application 
New features - Colors in "Incomes and Expenditure" dashboard widget
- Skrooge is now able to import file have amounts with unit symbole (example: -$8.35)
- "Base 100" mode for graphs, allowing to compare the evolution of two items. For example the following graph compares relative evolutions of my salary versus food and transportation expenses :
Bugfix & Enhancements - bug 291550: Do not display transfers in the Dashboard Advice that warns about empty category
- bug 292225: Skrooge 1.2.0 crash on opening report
- bug 293398: Do not Display Accounts Graph during Account Creation
- bug 293397: Error on duplicate account name creation
- bug 293580: Select/unselect "import state" column will display empty field
- bug 293941: Skrooge crashed on deleting split operation
- bug 278220: Wrong values in Monthly Report "Amounts in accounts"
- bug 296204: add ...read more...
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| 
We had several good proposals related to KDE Telepathy for Google Summer of Code 2012, but unfortunately we only got 2 slots! But hey, we got 2 slots! That’s great!  Thanks to Google for organising and sponsoring it. The first accepted project is “Message Filtering Plugin System” by Lasath Fernando (shocklateboy92), the author of the chat plasmoid that will be released in KDE Telepathy 0.4. He will be mentored by David Edmundson and “will create a completely asynchronous modular and extensible system that enriches messages before they’re displayed to the user. These includes embedding images and videos from links, Translating messages, (re)-formatting them nicely, reading out loud etc.”
The second project is “Enhancement to peer-to-peer DBus for Telepathy DBus Tubes” by Puneet Goyal. Puneet worked on the Payment Detection use-case of project Alkimia in Season of KDE 2011. I will be his mentor for this interesting project which aim is to ...read more...
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| Quassel IRC is a modern, cross-platform, distributed IRC client, meaning that one or more clients can attach to and detach from a central core, much like the popular combination of screen and a text-based IRC client, but graphical.
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| Since I started blogging I’ve talked many times about KAlgebra. Usually it’s not to display it’s awesome features but to discuss its portability. I’ve always considered that it’s important for KDE not to lock down its applications to a platform. That’s why I’ve put my efforts into ensuring KAlgebra will work properly on different platforms so far, like the N9 and Plasma Active. – TL;DR: you can jump to the video  – I think we’ve done a great job so far. It hasn’t been easy and we are not there yet, but I think that being able to do things like this is an awesome opportunity for projects like KDE Edu where we want to target the widest audience possible. Android offers this, a widespread audience where we will be able to put our things. That’s why I put my interest in it, anyway. Regarding the actual implementation, it’s far from perfect. It’s using KAlgebra Mobile, which has different backends. I created a new one that doesn’t require any components present. QtQuick ...read more...
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| I'm syndicating to planet KDE because things in the post might be of interest for KDE. I'd be overjoyed to see some of the features in KDE too, the more powerful the tools available to folks the better the future tools will be ;) So, on with the show... I decided to add REST and YUI stuff to libferris. This is still very much a work in progress in spare time... Luckily the heavy lifting is all done already in the libferris library. The initial web interface is still fairly basic, the back and forward buttons are handled by the browser leaving only the parent button in the apps toolbar. Home and Heart are your home dir and bookmarks respectively. Clicking on a row allows arbitrary annotation of that file. The annotations are stored in either native kernel level Extended Attributes or RDF. A feature I find very useful is that all metadata is presented via the same interface. As you can see the "Annotation" column in the listview is showing your own description of each file. You can filter or sort ...read more...
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| I have been thinking this over for quite a while, and have written this post several times over in my mind. As an undergraduate student I remember admiring scientists and imagining how amazing it must be to have a job where you got to discover new things, think of better solutions to problems facing our society and making the world a better place. As my studies continued I aspired to become one of those researchers, and made the decision to take my studies further and applied to do a PhD. As a PhD student I enjoyed learning more about materials, and was excited to be working with gold nanoparticles and research into how we might make real devices out of this novel new material in the Nanomaterial Engineering Group. It was exciting, challenging and fascinating using techniques such as X-ray and neutron reflectometry, electron and atomic force microscopy and Langmuir-Blodgett troughs. As I learned more through my work I became frustrated with the quality of the software I used, and had always imagined that "real scientists" had ...read more...
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| A reader send me an email, because he wanted to know what I think about an image he prepared. The graphic has an explicit title "Internet ruining your brain" (by the way: the image can be found at the address http://www.forensicpsychology.net/internet-ruining-your-brain/). Now, what to say about this work?
I can agree with the informations (and the graphic is nice), but I absolutely disagree about the opinion expressed:
sure, the internet is reducing our use of memory. But this is not a bad thing.
It's obious that, for someone, internet is still a new thing, and as every news it could be considered scary. For example, the legend says that when writing have been invented, many people believed it would kill the memory skills of men. But where would we be, now, without writing? Everything in our life is based on the possibility to write. The fact is that, every time we reduce the use of ...read more...
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| Chakra Linux is a Linux distribution that combines the simplicity of Arch Linux with KDE.
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| This is the fourth post in my blog series: bugs.kde.org for developers. Yesterday we looked at how to search in bko if there is useful information in it. Today we start adding the useful information: components. Now again I assume you will say that you know everything about components, but I have assigned bugs to so many products with too few components, that I decided components deserve an own post in this series. Components can be used to group your bugs. You can use any grouping which might make sense to you. You could add components for the parts exposed to the user interface, components for implemented concepts (e.g. a protocol) or components for specific parts of the code base. My recommendation is to remember that the bugtracker is there to help you and that means you should use what makes sense to you and not what might make sense to users. Please don’t expect that users or triagers will find the right component – setting the component is something the developers have to ...read more...
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I'll be attending LAkademy, the first KDE Latinamerica summit for KDE developers, old and new. Unfortunately, I'll be the only one from Argentina. I wasn't able to convince any more people to sign up. It is on my TODO list for next year. During the summit I'll be working on the long list of bugs of KMyMoney reports. Also, I can help with KDE Telepathy. I'm not part of that project, but I have been involved in developing a similar application for MeeGo that was never released, and know a bit or two about Telepathy nuances, which might come handy. |
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| The Linear Feedback Shift Register might appear to be "random" but it is of course far from it. The first two words should make you suspicious of how random things are. Version 1 does the actual production on the arduino chip. I'm hoping to break out the logic onto the breadboard for a future version. The arduino would then be relegated to a provider of voltage and ground.
Since it is all rather predictable, it would be fun to have a second arduino with light sensors on it be able to come close to the existing model and then sync its own LFSR and output to the LFSR.
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| There has been a lot of discussion in the Kdegames mailing list regarding the porting of the games from deprecated libraries like KGameRenderer and KGameTheme to new rendering methods and Graphics stack. This is a very good opportunity for new contributors to start contributing to Kdegames. Although some of the ports might be a bit difficult but there are easy ones too once the code of a game specially the rendering portion of the code is understood. The port table is available here http://community.kde.org/KDE_Games/Porting. A basic understanding of Qt/C++ would be required, but the junior jobs should get one up to speed for tackling the ports. For people who want to start contributing to Kdegames , it is advisable to go through the following steps in order 1. Subscribe to the Kde-games-devel mailing list (https://mail.kde.org/mailman/listinfo/kde-games-devel) . For those who do not know what it is, a mailing list is basically a kind of a forum where people post their queries or doubts or submit their patches. When they do that, all ...read more...
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| Little introduction first: I'm a student of theoretical computer science from Prague/Czech Republic and I've started contributing to Amarok last autumn by fixing some of its (mainly iPod-related) bugs.
It turned out that maintaining the iPod collection plug-in was rather painful due to its complexity that accumulated over time - and I got motivated to rewrite it from scratch by Amarok's Bart Cerneels. The effort is now over. Welcome the all-new iPod collection plug-in! (supports iPads and iPhones, too!)
 | | Mandatory screen-shot of the rewritten iPod collection plug-in |
What does the rewrite bring? Well, working playlists, transcoding, multiple concurrent transfers, working stale & orphaned tracks detection and elimination plus many more enhancements and bug-fixes. Thanks to the rewrite, some bugs in USB Mass Storage collection got fixed, too.
You'll get all these goodies with Amarok 2.6, which is slated for release in a month or (rather) two. But if you're ...read more...
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| In the wake of what has been claimed to be leaked screenshots of Microsoft Office 2014 and the continued growth of both OpenOffice and its LibreOffice fork, there is still more choice out there in the "productivity suite" applications market if you go looking for it.
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Intro
As I mentioned in my last post, I and my team in INdT are researching on how to improve the Styling new way of creating styled QML widgets components (Button, Sliders, ComboBox, etc.). We've been involved for such a long time in the development of Qt Components for the Harmattan, and me personally worked on the Plasma Components widget set.
We also did a some big desktop and mobile applications (such as Snowshoe and PagSeguro NFC Payment) which required us to create lots of custom widgets. Obviously there's a lot of redundant code between the applications that could belong to a common code base.
Besides the existence of the Qt Components, the styling of widgets is an issue it doesn't solves as well. Nowadays if you want a new style, you'll have to create a set of QML components from scratch or to base on an existing widget set, which would increase the development and code fragmentation. One way to style your widgets is to rely on the old and ...read more...
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| Bug #283105 is the famous "networkmanagement's kded module crashes when opening kwallet". Today I finally reproduced it but there is no solution yet. I will need to refactor Plasma NM's secret agent to avoid the crash and other potential problems I have also found. I do not know yet when the problem will be fixed, the secret agent is a delicate part of Plasma NM, so any precaution is worth when changing something in there.
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| i run kubuntu on a 1gb ram netbook, and optimizing KDE memory usage is cruicial for me because i use this machine for development (kdevelop is a large beast, and i want to have chromium and gcc running as well). I'd like to share a few tips to achieve that.
1. sudo apt-get install kubuntu-low-fat-settings
2. if you don't need bluetooth: sudo apt-get purge bluez* bluedevil
3. sudo apt-get purge akonadi-backend-mysql mysql* (this will automatically install sqlite backend)
4. if you don't use activities: sudo rm /usr/share/kde4/services/kactivitymanagerd.desktop (i filled bug 298088 with request to make kactivitymanagerd ran only when really needed)
5. if you don't need akonadi: sudo rm /usr/share/autostart/akonaditray.desktop
6. if you don't use nepomuk (i.e. disabled it in systemsettings): sudo rm /usr/share/autostart/nepomukserver.desktop
7. sudo rm /usr/share/autostart/kaddressbookmigrator.desktop
8. if you don't use printer often: sudo rm /usr/share/autostart/printer-applet.desktop (you can still start this applet manually by issuing 'printer-applet' command in konsole)
9. sudo mv /etc/rc5.d/S50saned /etc/rc5.d/K50saned
(hint by Dave: instead of removing .desktop files, just do 'cp FILE ~/.kde/share/autostart && echo Hidden=true >> ~/.kde/share/autostart/FILE)
Currently my ...read more...
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| Slackel is a Linux distribution based on Slackware's "current" branch, with the goal of integrating the latest KDE desktop, the Calligra office suite and some custom artwork into separate live and installation DVD images.
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| Calligra is an integrated suite of applications that cover office, creative, and management needs.
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| Qt5 alpha has been released. One of the features which I have been working on is a new syntax for signals and slot. This blog entry will present it. Previous syntax Here is how you would connect a signal to a slot:
connect(sender, SIGNAL(valueChanged(QString,QString)),
receiver, SLOT(updateValue(QString)) );
What really happens behind the scenes is that the SIGNAL and SLOT macros will convert their argument to a string. Then QObject::connect() will compare those strings with the introspection data collected by the moc tool. What's the problem with this syntax? While working fine in general, we can identify some issues: - No compile time check: All the checks are done at run-time by parsing the strings. That means if you do a typo in the name of the signal or the slot, it will compile but the connection will not be made, and you will only notice a warning in the standard output.
- Since it operates on the strings, the type names of the slot must match exactly the ones of the signal. And they ...read more...
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After about 2 years of development and 1½ year since we officially formed the Calligra project I'm happy that Calligra 2.4 is being released later today. In my vision Calligra becomes a ground breaking fresh alternative to the established free and proprietary players. Calligra should create history and revolutionize it. We are not there yet, but we have great plans and are very much still evolving. We don't believe that applications have to chose between being powerful and complex, or being dumbded down to make them easy to use. In the Calligra Words team we have this crede "powerfeatures made easy" and we are committed to making this come true by working hard on the usability as well as adding powerfeatures. And we don't want to just add configuration options. We want to create our interfaces in a way that puts all the power at your fingertips in the most intuitive way. We know we are not there yet. As I said it's early days yet, but we have already made some ...read more...
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| In my previous post I mentioned, among other things, two things I want to hack together: An improved REST API for libferris, and KDE KIO integration for libferris. It occurred to me that these two, while able to be performed as distinct tasks, are better done as one. Or rather that the later can be coded to rely on the first being available. With a REST API and a Web server, a virtual filesystem inherits one of the great properties plan9 - filesystems as separate processes that can run on another machine and access data on a third machine.
Consider wanting to get at information from a PostgreSQL table from a mobile phone. The REST API might be on the "webserver" machine, while the database runs on dbserver. The phone talks to webserver sending GET/POST and receiving XML/JSON depending on it's preference. Using libferris, webserver talks to dbserver (by mounting it) and queries and returns results back to the phone.
This also lets the phone upload images via the REST API. Instead of setting up software on ...read more...
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| Well, I still have not fixed the infamous "networkmanagement's kded module crashes when opening kwallet" bug I mentioned in the last release. The main reason for this release is to fix the translations that were being taken from master branch instead of nm09 branch.
Plasma NM 0.9.0.1
SHA256Sum: ed5aaff8ed7d52f2541eca27f5bf15792cd97f8e7f8014c0fe9ab8e73f2cab2f
Changelog: . fix translations. 297309: Return Gsm and Cdma providers lists case-insensitively sorted in Mobile Connection Wizard. 296740: Do not send the interfaceRemoved signal if NM stopped or crashed. If it has crashed we can crash too if we send the interfaceRemoved signal here. . Check if libnm-util and libnm-glib are installed before compiling. . Also import/export routes when importing/exporting VPN connections. 292477: Add to kcm module, in "Other" tab, option to select if Plasma NM should ask for GSM Pin on modem detection or when activating a gsm connection. The last one is what most users want but some modems do not work with this mode. The following languages have more than 80% of strings translated: ca ...read more...
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