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  • Screen Casting using ffmpeg (too fast)

    - by rowman
    I can use ffmpeg to make screen casts: ffmpeg -f x11grab -s 1280x800 -i :0.0 -c:v libx264 -framerate 30 -r 30 -crf 18 out.mkv However the output comes out to be too fast paced. It also happens with GTK RecordMyDesktop if I enable the encode on the fly. So, the questions is how to get a normal video pace. Also in order to capture the sound with ffmpeg what option should be used? FFmpeg Output: ffmpeg -f x11grab -s 1280x800 -r 30 -i :0.0 -c:v libx264 -framerate 30 -r 30 -crf 18 out.mkv ffmpeg version N-35162-g87244c8 Copyright (c) 2000-2012 the FFmpeg developers built on Oct 7 2012 15:56:19 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5) configuration: --enable-gpl --enable-libfaac --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-x11grab --enable-libx264 --enable-nonfree --enable-version3 libavutil 51. 73.102 / 51. 73.102 libavcodec 54. 64.100 / 54. 64.100 libavformat 54. 29.105 / 54. 29.105 libavdevice 54. 3.100 / 54. 3.100 libavfilter 3. 19.102 / 3. 19.102 libswscale 2. 1.101 / 2. 1.101 libswresample 0. 16.100 / 0. 16.100 libpostproc 52. 1.100 / 52. 1.100 [x11grab @ 0xab896a0] device: :0.0 -> display: :0.0 x: 0 y: 0 width: 1280 height: 800 [x11grab @ 0xab896a0] shared memory extension found [x11grab @ 0xab896a0] Estimating duration from bitrate, this may be inaccurate Input #0, x11grab, from ':0.0': Duration: N/A, start: 1350136942.608988, bitrate: 983040 kb/s Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1280x800, 983040 kb/s, 30 tbr, 1000k tbn, 30 tbc [libx264 @ 0xab87320] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64 SlowCTZ SlowAtom [libx264 @ 0xab87320] profile High 4:4:4 Predictive, level 3.2, 4:4:4 8-bit [libx264 @ 0xab87320] 264 - core 128 r2 198a7ea - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=18.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 Output #0, matroska, to 'out.mkv': Metadata: encoder : Lavf54.29.105 Stream #0:0: Video: h264, yuv444p, 1280x800, q=-1--1, 1k tbn, 30 tbc Stream mapping: Stream #0:0 -> #0:0 (rawvideo -> libx264) Press [q] to stop, [?] for help frame= 10 fps=0.0 q=0.0 size= 1kB time=00:00:00.00 bitrate= 0.0kbits/sframe= 19 fps= 17 q=0.0 size= 1kB time=00:00:00.00 bitrate= 0.0kbits/sframe= 28 fps= 17 q=0.0 size= 1kB time=00:00:00.00 bitrate= 0.0kbits/sframe= 37 fps= 17 q=0.0 size= 1kB time=00:00:00.00 bitrate= 0.0kbits/sframe= 45 fps= 16 q=0.0 size= 1kB time=00:00:00.00 bitrate= 0.0kbits/sframe= 47 fps= 14 q=0.0 size= 1kB time=00:00:00.00 bitrate= 0.0kbits/sframe= 52 fps= 13 q=24.0 size= 257kB time=00:00:00.00 bitrate=2101632.0kbiframe= 55 fps= 12 q=24.0 size= 257kB time=00:00:00.10 bitrate=20808.2kbitsframe= 59 fps= 11 q=24.0 size= 289kB time=00:00:00.23 bitrate=10145.0kbitsframe= 64 fps= 11 q=24.0 size= 289kB time=00:00:00.40 bitrate=5894.7kbits/frame= 70 fps= 11 q=24.0 size= 289kB time=00:00:00.60 bitrate=3933.1kbits/frame= 72 fps= 10 q=24.0 size= 289kB time=00:00:00.66 bitrate=3549.2kbits/frame= 77 fps=9.8 q=24.0 size= 289kB time=00:00:00.83 bitrate=2837.7kbits/frame= 80 fps=9.6 q=24.0 size= 289kB time=00:00:00.93 bitrate=2533.5kbits/frame= 85 fps=9.3 q=24.0 size= 289kB time=00:00:01.10 bitrate=2146.9kbits/frame= 89 fps=9.3 q=24.0 size= 289kB time=00:00:01.23 bitrate=1917.1kbits/frame= 92 fps=9.1 q=24.0 size= 289kB time=00:00:01.33 bitrate=1773.3kbits/frame= 96 fps=9.0 q=24.0 size= 289kB time=00:00:01.46 bitrate=1612.4kbits/frame= 99 fps=8.8 q=24.0 size= 321kB time=00:00:01.56 bitrate=1676.8kbits/frame= 104 fps=8.7 q=24.0 size= 321kB time=00:00:01.73 bitrate=1515.2kbits/frame= 109 fps=5.3 q=24.0 Lsize= 1093kB time=00:00:03.56 bitrate=2511.5kbits/s video:1092kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.120198% [libx264 @ 0xab87320] frame I:3 Avg QP:18.93 size:142610 [libx264 @ 0xab87320] frame P:43 Avg QP:20.79 size: 15751 [libx264 @ 0xab87320] frame B:63 Avg QP:23.75 size: 195 [libx264 @ 0xab87320] consecutive B-frames: 21.1% 1.8% 11.0% 66.1% [libx264 @ 0xab87320] mb I I16..4: 50.0% 21.1% 28.9% [libx264 @ 0xab87320] mb P I16..4: 6.1% 0.9% 3.2% P16..4: 5.5% 1.2% 0.6% 0.0% 0.0% skip:82.5% [libx264 @ 0xab87320] mb B I16..4: 0.4% 0.1% 0.0% B16..8: 2.9% 0.1% 0.0% direct: 0.0% skip:96.5% L0:40.7% L1:57.0% BI: 2.3% [libx264 @ 0xab87320] 8x8 transform intra:14.5% inter:46.1% [libx264 @ 0xab87320] coded y,u,v intra: 33.5% 24.1% 25.4% inter: 0.9% 0.4% 0.4% [libx264 @ 0xab87320] i16 v,h,dc,p: 70% 26% 1% 3% [libx264 @ 0xab87320] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 11% 21% 30% 5% 7% 5% 7% 4% 10% [libx264 @ 0xab87320] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 35% 12% 2% 4% 3% 4% 3% 5% [libx264 @ 0xab87320] Weighted P-Frames: Y:0.0% UV:0.0% [libx264 @ 0xab87320] ref P L0: 57.0% 5.6% 26.8% 10.6% [libx264 @ 0xab87320] ref B L0: 69.4% 22.6% 8.0% [libx264 @ 0xab87320] ref B L1: 93.7% 6.3% [libx264 @ 0xab87320] kb/s:2460.40

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  • LLBLGen Pro v3.0 has been released!

    - by FransBouma
    After two years of hard work we released v3.0 of LLBLGen Pro today! V3.0 comes with a completely new designer which has been developed from the ground up for .NET 3.5 and higher. Below I'll briefly mention some highlights of this new release: Entity Framework (v1 & v4) support NHibernate support (hbm.xml mappings & FluentNHibernate mappings) Linq to SQL support Allows both Model first and Database first development, or a mixture of both .NET 4.0 support Model views Grouping of project elements Linq-based project search Value Type (DDD) support Multiple Database types in single project XML based project file Integrated template editor Relational Model Data management Flexible attribute declaration for code generation, no more buddy classes needed Fine-grained project validation Update / Create DDL SQL scripts Fast Text-DSL based Quick mode Powerful text-DSL based Quick Model functionality Per target framework extensible settings framework much much more... Of course we still support our own O/R mapper framework: LLBLGen Pro v3.0 Runtime framework as well, which was updated with some minor features and was upgraded to use the DbProviderFactory system. Please watch the videos of the designer (more to come very soon!) to see some aspects of the new designer in action. The full version comes with Algorithmia in sourcecode as well. Algorithmia is an algorithm library written for .NET 3.5 which powers the heart of the designer with a fine-grained undo/redo command framework, graph classes and much more. I'd like to thank all beta-testers, our support team and others who have helped us with this massive release. :)

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  • Java Champion Stephen Chin on New Features and Functionality in JavaFX

    - by janice.heiss(at)oracle.com
    In an Oracle Technology Network interview, Java Champion Stephen Chin, Chief Agile Methodologist for GXS, and one of the most prolific and innovative JavaFX developers, provides an update on the rapidly developing changes in JavaFX.Chin expressed enthusiasm about recent JavaFX developments:"There is a lot to be excited about -- JavaFX has a new API face. All the JavaFX 2.0 APIs will be exposed via Java classes that will make it much easier to integrate Java server and client code. This also opens up some huge possibilities for JVM language integration with JavaFX." Chin also spoke about developments in Visage, the new language project created to fill the gap left by JavaFX Script:"It's a domain-specific language for writing user interfaces, which addresses the needs of UI developers. Visage takes over where JavaFX Script left off, providing a statically typed, declarative language with lots of features to make UI development a pleasure.""My favorite language features from Visage are the object literal syntax for quickly building scene graphs and the bind keyword for connecting your UI to the backend model. However, the language is built for UI development from the top down, including subtle details like null-safe dereferencing for exception-less code."Read the entire article.

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  • Using Microsoft's Chart Controls In An ASP.NET Application: Serializing Chart Data

    In most usage scenarios, the data displayed in a Microsoft Chart control comes from some dynamic source, such as from a database query. The appearance of the chart can be modified dynamically, as well; past installments in this article series showed how to programmatically customize the axes, labels, and other appearance-related settings. However, it is possible to statically define the chart's data and appearance strictly through the control's declarative markup. One of the demos examined in the Getting Started article rendered a column chart with seven columns whose labels and values were defined statically in the <asp:Series> tag's <Points> collection. Given this functionality, it should come as no surprise that the Microsoft Chart Controls also support serialization. Serialization is the process of persisting the state of a control or an object to some other medium, such as to disk. Deserialization is the inverse process, and involves taking the persisted data and recreating the control or object. With just a few lines of code you can persist the appearance settings, the data, or both to a file on disk or to any stream. Likewise, it takes just a few lines of codes to reconstitute a chart from the persisted information. This article shows how to use the Microsoft Chart Control's serialization functionality by examining a demo application that allows users to create custom charts, specifying the data to plot and some appearance-related settings. The user can then save a "snapshot" of this chart, which persists its appearance and data to a record in a database. From another page, users can view these saved chart snapshots. Read on to learn more! Read More >

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  • Don’t learn SSDT, learn about your databases instead

    - by jamiet
    Last Thursday I presented my session “Introduction to SSDT” at the SQL Supper event held at the offices of 7 Digital (loved the samosas, guys). I did my usual spiel, tour of the IDE, connected development, declarative database development yadda yadda yadda… and at the end asked if there were any questions. One gentleman in attendance (sorry, can’t remember your name) raised his hand and stated that by attempting to evangelise all of the features I’d missed the single biggest benefit of SSDT, that it can tell you stuff about database that you didn’t already know. I realised that he was dead right. SSDT allows you to import your whole database schema into a new project and it will instantly give you a list of errors and/or warnings pertaining to the objects in your database. Invalid references (e.g a long-forgotten stored procedure that refers to a non-existent column), unnecessary 3-part naming, incorrect case usage, syntax errors…it’ll tell you about all of ‘em! Turn on static code analysis (this article shows you how) and you’ll learn even more such as any stored procedures that begin with “sp_”, WHERE clauses that will kill performance, use of @@IDENTITY instead of SCOPE_IDENTITY(), use of deprecated syntax, implicit casts etc…. the list goes on and on. I urge you to download and install SSDT (takes a few minutes, its free and you don’t need SQL Server or Visual Studio pre-installed), start a new project: right-click on your new project and import from your database: and see what happens: You may be surprised what you discover. Let me know in the comments below what results you get, total number of objects, number of errors/warnings, I’d be interested to know! @Jamiet

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  • Is there a way to track data structure dependencies from the database, through the tiers, all the way out to a web page?

    - by Sean Mickey
    When we design applications, we generally end up with the same tiered sets of data structures: A persistent data structure that is described using DDL and implemented as RDBMS tables and columns. A set of domain objects that consist primarily of data structures, usually combined with business-rule level logic, that are implemented in a programming language such as Java. A set of service layer interfaces that directly support use case implementations (which use the domain data structures as parameters), implemented as EJBs or something equivalent in another programming language. UI screens that allow users to C reate, R etrieve, U pdate, and (maybe) D elete all manner of data structures and graphs of data structures, with numerous screens and with multiple UI widgets, all structured to support the same data structures. But if you want to change the data structures in any of these tiers, it always seems extremely difficult to assess the impact(s) the change will have across the application. UML can help, but tracing through diagram after diagram is not a real solution to this problem. The best I have ever seen was a homespun data tracking spreadsheet document that listed all of the data structures and walked the relationships from tier-to-tier. Is there a tool or accepted approach that makes it easy to identify a data structure in any tier and easily obtain a list of all dependent: database table and column data structures domain object data structures service layer interface methods and parameter data structures screen & UI component data structures

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  • Can I delete libc-bin?

    - by Balazs Szikszay
    Question is simple, I need to know because I cant upgrade/install anything, because it always says I have to uninstall/delete it to continue. It also says dont do it, if I dont know what I am doing. EDIT: szikszay@szikszay-Latitude-E5530-non-vPro:~$ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might want to run ‘apt-get -f install’ to correct these. The following packages have unmet dependencies. ia32-libs-multiarch:i386 : Depends: libqtcore4:i386 but it is not installed Depends: libqtgui4:i386 but it is not installed Depends: libqt4-dbus:i386 but it is not installed Depends: libqt4-network:i386 but it is not installed Depends: libqt4-opengl:i386 but it is not installed Depends: libqt4-qt3support:i386 but it is not installed Depends: libqt4-script:i386 but it is not installed Depends: libqt4-scripttools:i386 but it is not installed Depends: libqt4-sql:i386 but it is not installed Depends: libqt4-svg:i386 but it is not installed Depends: libqt4-test:i386 but it is not installed Depends: libqt4-xml:i386 but it is not installed Depends: libqt4-xmlpatterns:i386 but it is not installed Depends: libcups2:i386 but it is not installed Depends: libcupsimage2:i386 but it is not installed Depends: libcurl3:i386 but it is not installed Depends: libnss3:i386 but it is not installed Depends: libnspr4:i386 but it is not installed Depends: libssl1.0.0:i386 but it is not installed Recommends: libgl1-mesa-glx:i386 but it is not installed Recommends: libgl1-mesa-dri:i386 but it is not installed lib32ffi6 : Depends: libc6-i386 (= 2.4) but it is not installed lib32gcc1 : Depends: libc6-i386 (= 2.5) but it is not installed lib32nss-mdns : Depends: libc6-i386 (= 2.4) but it is not installed lib32stdc++6 : Depends: libc6-i386 (= 2.4) but it is not installed lib32z1 : Depends: libc6-i386 (= 2.4) but it is not installed libacl1:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libattr1:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libaudio2:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libavahi-client3:i386 : Depends: libc6:i386 (= 2.4) but it is not installed Depends: libdbus-1-3:i386 (= 1.1.1) but it is not installed libavahi-common3:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libcomerr2:i386 : Depends: libc6:i386 (= 2.12) but it is not installed libdb5.1:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libdrm-intel1:i386 : Depends: libc6:i386 (= 2.3.4) but it is not installed libdrm-nouveau1a:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libdrm-radeon1:i386 : Depends: libc6:i386 (= 2.3.4) but it is not installed libdrm2:i386 : Depends: libc6:i386 (= 2.7) but it is not installed libffi6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libfontconfig1:i386 : Depends: libc6:i386 (= 2.7) but it is not installed Depends: libexpat1:i386 (= 1.95.8) but it is not installed Depends: libfreetype6:i386 (= 2.2.1) but it is not installed libgcc1:i386 : Depends: libc6:i386 (= 2.2.4) but it is not installed libgcrypt11:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libgdbm3:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libglib2.0-0:i386 : Depends: libc6:i386 (= 2.9) but it is not installed libgpg-error0:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libice6:i386 : Depends: libc6:i386 (= 2.11) but it is not installed libidn11:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libjpeg62:i386 : Depends: libc6:i386 (= 2.7) but it is not installed libkeyutils1:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed liblcms1:i386 : Depends: libc6:i386 (= 2.7) but it is not installed libllvm2.9:i386 : Depends: libc6:i386 (= 2.11) but it is not installed libmng1:i386 : Depends: libc6:i386 (= 2.11) but it is not installed libpciaccess0:i386 : Depends: libc6:i386 (= 2.7) but it is not installed libpcre3:i386 : Depends: libc6:i386 (= 2.4) but it is not installed librtmp0:i386 : Depends: libc6:i386 (= 2.7) but it is not installed Depends: libgnutls26:i386 (= 2.9.11-0) but it is not installed libsasl2-2:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libsasl2-modules:i386 : Depends: libc6:i386 (= 2.4) but it is not installed Depends: libssl1.0.0:i386 (= 1.0.0) but it is not installed libselinux1:i386 : Depends: libc6:i386 (= 2.8) but it is not installed libsm6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libsqlite3-0:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libstdc++6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libuuid1:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libx11-6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libxau6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libxcb1:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libxdamage1:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libxdmcp6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libxext6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libxfixes3:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libxrender1:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libxss1:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libxt6:i386 : Depends: libc6:i386 (= 2.7) but it is not installed libxxf86vm1:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed zlib1g:i386 : Depends: libc6:i386 (= 2.4) but it is not installed E: Unmet dependencies. Try using -f. szikszay@szikszay-Latitude-E5530-non-vPro:~$ sudo apt-get upgrade -f Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages will be REMOVED libc-bin The following NEW packages will be installed libc-bin:i386 libc6:i386 libc6-i386 libcups2:i386 libcupsimage2:i386 libcurl3:i386 libdbus-1-3:i386 libexpat1:i386 libfreetype6:i386 libgl1-mesa-dri:i386 libgl1-mesa-glx:i386 libglapi-mesa:i386 libgnutls26:i386 libgssapi-krb5-2:i386 libk5crypto3:i386 libkrb5-3:i386 libkrb5support0:i386 libldap-2.4-2:i386 libnspr4:i386 libnss3:i386 libpng12-0:i386 libqt4-dbus:i386 libqt4-declarative:i386 libqt4-designer:i386 libqt4-network:i386 libqt4-opengl:i386 libqt4-qt3support:i386 libqt4-script:i386 libqt4-scripttools:i386 libqt4-sql:i386 libqt4-svg:i386 libqt4-test:i386 libqt4-xml:i386 libqt4-xmlpatterns:i386 libqtcore4:i386 libqtgui4:i386 libssl1.0.0:i386 libtasn1-3:i386 libtiff4:i386 libxi6:i386 The following packages have been kept back: ginn libgrip0 linux-headers-generic linux-image-generic unity unity-common xserver-xorg-input-evdev xserver-xorg-input-synaptics The following packages will be upgraded: accountsservice acpi-support acpid aisleriot alsa-utils app-install-data-partner apparmor appmenu-qt apport apport-gtk apt apt-transport-https apt-utils aptdaemon aptdaemon-data apturl apturl-common at-spi2-core bamfdaemon banshee banshee-extension-soundmenu banshee-extension-ubuntuonemusicstore baobab bind9-host binutils bluez bluez-alsa bluez-cups bluez-gstreamer brasero brasero-cdrkit brasero-common brltty bzip2 ca-certificates-java checkbox checkbox-gtk colord command-not-found command-not-found-data compiz compiz-core compiz-gnome compiz-plugins-default compiz-plugins-main-default cups cups-bsd cups-client cups-common cups-ppdc dbus dbus-x11 deja-dup desktop-file-utils dnsutils dpkg ecryptfs-utils empathy empathy-common eog evince evince-common evolution-data-server evolution-data-server-common file-roller firefox firefox-globalmenu firefox-gnome-support firefox-locale-en firefox-locale-hu gbrainy gcalctool gconf2 gconf2-common gedit gedit-common ghostscript ghostscript-cups ghostscript-x gir1.2-atspi-2.0 gir1.2-gconf-2.0 gir1.2-gnomebluetooth-1.0 gir1.2-gtk-3.0 gir1.2-gtksource-3.0 gir1.2-totem-1.0 gir1.2-unity-4.0 gir1.2-webkit-3.0 gnome-accessibility-themes gnome-bluetooth gnome-control-center gnome-control-center-data gnome-desktop3-data gnome-font-viewer gnome-games-common gnome-icon-theme gnome-keyring gnome-mahjongg gnome-online-accounts gnome-orca gnome-power-manager gnome-screenshot gnome-search-tool gnome-session gnome-session-bin gnome-session-canberra gnome-session-common gnome-settings-daemon gnome-sudoku gnome-system-log gnome-system-monitor gnome-utils-common gnomine gnupg gpgv grub-common grub-pc grub-pc-bin grub2-common gstreamer0.10-gconf gstreamer0.10-plugins-good gstreamer0.10-pulseaudio gvfs gvfs-backends gvfs-bin gvfs-fuse gwibber gwibber-service gwibber-service-facebook gwibber-service-identica gwibber-service-twitter gzip hpijs hplip hplip-cups hplip-data icedtea-6-jre-cacao icedtea-6-jre-jamvm icedtea-netx ifupdown im-switch indicator-datetime indicator-session indicator-sound initramfs-tools initramfs-tools-bin initscripts insserv isc-dhcp-client isc-dhcp-common iso-codes jockey-common jockey-gtk language-pack-en language-pack-en-base language-pack-gnome-en language-pack-gnome-en-base language-pack-gnome-hu language-pack-gnome-hu-base language-pack-hu language-pack-hu-base language-selector-common language-selector-gnome libaccountsservice0 libapt-inst1.3 libapt-pkg4.11 libarchive1 libasound2-plugins libatk-adaptor libatspi2.0-0 libbamf0 libbamf3-0 libbind9-60 libbluetooth3 libbrasero-media3-1 libbrlapi0.5 libbz2-1.0 libc-dev-bin libc6 libc6-dev libcamel-1.2-29 libcanberra-gtk-module libcanberra-gtk0 libcanberra-gtk3-0 libcanberra-gtk3-module libcanberra-pulse libcanberra0 libcolord1 libcups2 libcupscgi1 libcupsdriver1 libcupsimage2 libcupsmime1 libcupsppdc1 libcurl3-gnutls libdbus-1-3 libdbus-glib-1-2 libdecoration0 libdns69 libebackend-1.2-1 libebook1.2-12 libecal1.2-10 libecryptfs0 libedata-book-1.2-11 libedata-cal-1.2-13 libedataserver1.2-15 libedataserverui-3.0-1 libevince3-3 libexif12 libexpat1 libfreetype6 libgail-3-0 libgail-3-common libgck-1-0 libgconf2-4 libgcr-3-1 libgdata-common libgdata13 libgl1-mesa-dri libgl1-mesa-glx libglapi-mesa libglu1-mesa libgnome-bluetooth8 libgnome-control-center1 libgnome-desktop-3-2 libgnutls26 libgoa-1.0-0 libgs9 libgs9-common libgssapi-krb5-2 libgtk-3-0 libgtk-3-bin libgtk-3-common libgtksourceview-3.0-0 libgtksourceview-3.0-common libgudev-1.0-0 libgweather-3-0 libgweather-common libgwibber-gtk2 libgwibber2 libhpmud0 libicu44 libimobiledevice2 libisc62 libisccc60 libisccfg62 libjasper1 libjs-jquery libk5crypto3 libkrb5-3 libkrb5support0 libldap-2.4-2 liblightdm-gobject-1-0 liblwres60 libmetacity-private0 libmission-control-plugins0 libmono-cairo4.0-cil libmono-corlib4.0-cil libmono-csharp4.0-cil libmono-i18n-west4.0-cil libmono-i18n4.0-cil libmono-posix4.0-cil libmono-security4.0-cil libmono-sharpzip4.84-cil libmono-system-configuration4.0-cil libmono-system-core4.0-cil libmono-system-drawing4.0-cil libmono-system-security4.0-cil libmono-system-xml4.0-cil libmono-system4.0-cil libmono-zeroconf1.0-cil libmysqlclient16 libnautilus-extension1 libncurses5 libncursesw5 libnm-glib-vpn1 libnm-glib4 libnm-gtk-common libnm-gtk0 libnm-util2 libnotify0.4-cil libnspr4 libnss3 libnss3-1d libnux-1.0-0 libnux-1.0-common libpam-gnome-keyring libpam-modules libpam-modules-bin libpam-runtime libpam0g libperl5.12 libpng12-0 libpoppler-glib6 libpoppler13 libproxy0 libpulse-mainloop-glib0 libpulse0 libpurple-bin libpurple0 libpython2.7 libqt4-dbus libqt4-declarative libqt4-network libqt4-opengl libqt4-script libqt4-sql libqt4-sql-mysql libqt4-svg libqt4-xml libqt4-xmlpatterns libqtcore4 libqtgui4 libreoffice-base-core libreoffice-calc libreoffice-common libreoffice-core libreoffice-draw libreoffice-emailmerge libreoffice-gnome libreoffice-gtk libreoffice-help-en-gb libreoffice-help-en-us libreoffice-help-hu libreoffice-impress libreoffice-l10n-common libreoffice-l10n-en-gb libreoffice-l10n-en-za libreoffice-l10n-hu libreoffice-math libreoffice-style-human libreoffice-writer libsane-hpaio libsmbclient libsnmp-base libsnmp15 libssl1.0.0 libsyncdaemon-1.0-1 libt1-5 libtasn1-3 libtiff4 libtinfo5 libtotem0 libubuntuone-1.0-1 libubuntuone1.0-cil libudev0 libunity-core-4.0-4 libunity6 libusbmuxd1 libv4l-0 libvorbis0a libvorbisenc2 libvorbisfile3 libwbclient0 libwebkitgtk-1.0-0 libwebkitgtk-1.0-common libwebkitgtk-3.0-0 libwebkitgtk-3.0-common libxi6 libxml2 libxslt1.1 lightdm linux-firmware linux-libc-dev mawk metacity metacity-common mobile-broadband-provider-info modemmanager mono-4.0-gac mono-gac mono-runtime mousetweaks multiarch-support mysql-common nautilus nautilus-data nautilus-sendto-empathy ncurses-base ncurses-bin network-manager network-manager-gnome nux-tools onboard openjdk-6-jre openjdk-6-jre-headless openjdk-6-jre-lib openssl perl perl-base perl-modules poppler-utils pulseaudio pulseaudio-esound-compat pulseaudio-module-bluetooth pulseaudio-module-gconf pulseaudio-module-x11 pulseaudio-utils python-apport python-aptdaemon python-aptdaemon-gtk python-aptdaemon.gtk3widgets python-aptdaemon.gtkwidgets python-brlapi python-crypto python-cups python-cupshelpers python-egenix-mxdatetime python-egenix-mxtools python-gobject python-gobject-cairo python-httplib2 python-keyring python-launchpadlib python-libproxy python-libxml2 python-pam python-papyon python-pkg-resources python-problem-report python-pyatspi2 python-software-properties python-ubuntuone-client python-ubuntuone-storageprotocol python-uno python2.7 python2.7-minimal qdbus samba-common samba-common-bin seahorse shotwell simple-scan smbclient sni-qt software-center software-properties-common software-properties-gtk sudo system-config-printer-common system-config-printer-gnome system-config-printer-udev sysv-rc sysvinit-utils telepathy-indicator telepathy-mission-control-5 thunderbird thunderbird-globalmenu thunderbird-gnome-support thunderbird-locale-en thunderbird-locale-en-gb thunderbird-locale-en-us thunderbird-locale-hu tomboy totem totem-common totem-mozilla totem-plugins transmission-common transmission-gtk ttf-opensymbol tzdata tzdata-java ubuntu-desktop ubuntu-docs ubuntu-minimal ubuntu-sso-client ubuntu-standard ubuntuone-client ubuntuone-client-gnome ubuntuone-couch udev unity-lens-applications unity-services uno-libs3 update-manager update-manager-core update-notifier update-notifier-common upstart ure usbmuxd vim-common vim-tiny vinagre vino whois x11-common xdiagnose xorg xserver-common xserver-xorg xserver-xorg-core xserver-xorg-input-all xserver-xorg-video-all xserver-xorg-video-intel xserver-xorg-video-openchrome xserver-xorg-video-qxl xul-ext-ubufox WARNING: The following essential packages will be removed. This should NOT be done unless you know exactly what you are doing! libc-bin 498 upgraded, 40 newly installed, 1 to remove and 8 not upgraded. 69 not fully installed or removed. Need to get 439 MB of archives. After this operation, 135 MB of additional disk space will be used. You are about to do something potentially harmful To continue type in the phrase ‘Yes, do as I say!’ ?] I tried to upgrade but it gives me an error, when i try to upgrade-f it says i should delete libc-bin. Thanks for the answers btw. EDIT2: it also says this: The package system is broken If you are using third party repositories then disable them, since they are a common source of problems. Now run the following command in a terminal: apt-get install -f

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  • New version of SQL Server Data Tools is now available

    - by jamiet
    If you don’t follow the SQL Server Data Tools (SSDT) blog then you may not know that two days ago an updated version of SSDT was released (and by SSDT I mean the database projects, not the SSIS/SSRS/SSAS stuff) along with a new version of the SSDT Power Tools. This release incorporates a an updated version of the SQL Server Data Tier Application Framework (aka DAC Framework, aka DacFX) which you can read about on Adam Mahood’s blog post SQL Server Data-Tier Application Framework (September 2012) Available. DacFX is essentially all the gubbins that you need to extract and publish .dacpacs and according to Adam’s post it incorporates a new feature that I think is very interesting indeed: Extract DACPAC with data – Creates a database snapshot file (.dacpac) from a live SQL Server or Windows Azure SQL Database that contains data from user tables in addition to the database schema. These packages can be published to a new or existing SQL Server or Windows Azure SQL Database using the SqlPackage.exe Publish action. Data contained in package replaces the existing data in the target database. In short, .dacpacs can now include data as well as schema. I’m very excited about this because one of my long-standing complaints about SSDT (and its many forebears) is that whilst it has great support for declarative development of schema it does not provide anything similar for data – if you want to deploy data from your SSDT projects then you have to write Post-Deployment MERGE scripts. This new feature for .dacpacs does not change that situation yet however it is a very important pre-requisite so I am hoping that a feature to provide declaration of data (in addition to declaration of schema which we have today) is going to light up in SSDT in the not too distant future. Read more about the latest SSDT, Power Tools & DacFX releases at: Now available: SQL Server Data Tools - September 2012 update! by Janet Yeilding New SSDT Power Tools! Now for both Visual Studio 2010 and Visual Studio 2012 by Sarah McDevitt SQL Server Data-Tier Application Framework (September 2012) Available by Adam Mahood @Jamiet

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  • Residual packages Ubuntu 12.04

    - by hydroxide
    I have an Asus Q500A with win8 and Ubuntu 12.04 64 bit; Linux kernel 3.8.0-32-generic. I have been having residual package issues which have been giving me trouble trying to reconfigure xserver-xorg-lts-raring. I tried removing all residual packages from synaptic but the following were not removed. Output of sudo dpkg -l | grep "^rc" rc gstreamer0.10-plugins-good:i386 0.10.31-1ubuntu1.2 GStreamer plugins from the "good" set rc libaa1:i386 1.4p5-39ubuntu1 ASCII art library rc libaio1:i386 0.3.109-2ubuntu1 Linux kernel AIO access library - shared library rc libao4:i386 1.1.0-1ubuntu2 Cross Platform Audio Output Library rc libasn1-8-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - ASN.1 library rc libasound2:i386 1.0.25-1ubuntu10.2 shared library for ALSA applications rc libasyncns0:i386 0.8-4 Asynchronous name service query library rc libatk1.0-0:i386 2.4.0-0ubuntu1 ATK accessibility toolkit rc libavahi-client3:i386 0.6.30-5ubuntu2 Avahi client library rc libavahi-common3:i386 0.6.30-5ubuntu2 Avahi common library rc libavc1394-0:i386 0.5.3-1ubuntu2 control IEEE 1394 audio/video devices rc libcaca0:i386 0.99.beta17-2.1ubuntu2 colour ASCII art library rc libcairo-gobject2:i386 1.10.2-6.1ubuntu3 The Cairo 2D vector graphics library (GObject library) rc libcairo2:i386 1.10.2-6.1ubuntu3 The Cairo 2D vector graphics library rc libcanberra-gtk0:i386 0.28-3ubuntu3 GTK+ helper for playing widget event sounds with libcanberra rc libcanberra0:i386 0.28-3ubuntu3 simple abstract interface for playing event sounds rc libcap2:i386 1:2.22-1ubuntu3 support for getting/setting POSIX.1e capabilities rc libcdparanoia0:i386 3.10.2+debian-10ubuntu1 audio extraction tool for sampling CDs (library) rc libcroco3:i386 0.6.5-1ubuntu0.1 Cascading Style Sheet (CSS) parsing and manipulation toolkit rc libcups2:i386 1.5.3-0ubuntu8 Common UNIX Printing System(tm) - Core library rc libcupsimage2:i386 1.5.3-0ubuntu8 Common UNIX Printing System(tm) - Raster image library rc libcurl3:i386 7.22.0-3ubuntu4.3 Multi-protocol file transfer library (OpenSSL) rc libdatrie1:i386 0.2.5-3 Double-array trie library rc libdbus-glib-1-2:i386 0.98-1ubuntu1.1 simple interprocess messaging system (GLib-based shared library) rc libdbusmenu-qt2:i386 0.9.2-0ubuntu1 Qt implementation of the DBusMenu protocol rc libdrm-nouveau2:i386 2.4.43-0ubuntu0.0.3 Userspace interface to nouveau-specific kernel DRM services -- runtime rc libdv4:i386 1.0.0-3ubuntu1 software library for DV format digital video (runtime lib) rc libesd0:i386 0.2.41-10build3 Enlightened Sound Daemon - Shared libraries rc libexif12:i386 0.6.20-2ubuntu0.1 library to parse EXIF files rc libexpat1:i386 2.0.1-7.2ubuntu1.1 XML parsing C library - runtime library rc libflac8:i386 1.2.1-6 Free Lossless Audio Codec - runtime C library rc libfontconfig1:i386 2.8.0-3ubuntu9.1 generic font configuration library - runtime rc libfreetype6:i386 2.4.8-1ubuntu2.1 FreeType 2 font engine, shared library files rc libgail18:i386 2.24.10-0ubuntu6 GNOME Accessibility Implementation Library -- shared libraries rc libgconf-2-4:i386 3.2.5-0ubuntu2 GNOME configuration database system (shared libraries) rc libgcrypt11:i386 1.5.0-3ubuntu0.2 LGPL Crypto library - runtime library rc libgd2-xpm:i386 2.0.36~rc1~dfsg-6ubuntu2 GD Graphics Library version 2 rc libgdbm3:i386 1.8.3-10 GNU dbm database routines (runtime version) rc libgdk-pixbuf2.0-0:i386 2.26.1-1 GDK Pixbuf library rc libgif4:i386 4.1.6-9ubuntu1 library for GIF images (library) rc libgl1-mesa-dri-lts-quantal:i386 9.0.3-0ubuntu0.4~precise1 free implementation of the OpenGL API -- DRI modules rc libgl1-mesa-dri-lts-raring:i386 9.1.4-0ubuntu0.1~precise2 free implementation of the OpenGL API -- DRI modules rc libgl1-mesa-glx:i386 8.0.4-0ubuntu0.6 free implementation of the OpenGL API -- GLX runtime rc libgl1-mesa-glx-lts-quantal:i386 9.0.3-0ubuntu0.4~precise1 free implementation of the OpenGL API -- GLX runtime rc libgl1-mesa-glx-lts-raring:i386 9.1.4-0ubuntu0.1~precise2 free implementation of the OpenGL API -- GLX runtime rc libglapi-mesa:i386 8.0.4-0ubuntu0.6 free implementation of the GL API -- shared library rc libglapi-mesa-lts-quantal:i386 9.0.3-0ubuntu0.4~precise1 free implementation of the GL API -- shared library rc libglapi-mesa-lts-raring:i386 9.1.4-0ubuntu0.1~precise2 free implementation of the GL API -- shared library rc libglu1-mesa:i386 8.0.4-0ubuntu0.6 Mesa OpenGL utility library (GLU) rc libgnome-keyring0:i386 3.2.2-2 GNOME keyring services library rc libgnutls26:i386 2.12.14-5ubuntu3.5 GNU TLS library - runtime library rc libgomp1:i386 4.6.3-1ubuntu5 GCC OpenMP (GOMP) support library rc libgpg-error0:i386 1.10-2ubuntu1 library for common error values and messages in GnuPG components rc libgphoto2-2:i386 2.4.13-1ubuntu1.2 gphoto2 digital camera library rc libgphoto2-port0:i386 2.4.13-1ubuntu1.2 gphoto2 digital camera port library rc libgssapi-krb5-2:i386 1.10+dfsg~beta1-2ubuntu0.3 MIT Kerberos runtime libraries - krb5 GSS-API Mechanism rc libgssapi3-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - GSSAPI support library rc libgstreamer-plugins-base0.10-0:i386 0.10.36-1ubuntu0.1 GStreamer libraries from the "base" set rc libgstreamer0.10-0:i386 0.10.36-1ubuntu1 Core GStreamer libraries and elements rc libgtk2.0-0:i386 2.24.10-0ubuntu6 GTK+ graphical user interface library rc libgudev-1.0-0:i386 1:175-0ubuntu9.4 GObject-based wrapper library for libudev rc libhcrypto4-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - crypto library rc libheimbase1-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - Base library rc libheimntlm0-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - NTLM support library rc libhx509-5-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - X509 support library rc libibus-1.0-0:i386 1.4.1-3ubuntu1 Intelligent Input Bus - shared library rc libice6:i386 2:1.0.7-2build1 X11 Inter-Client Exchange library rc libidn11:i386 1.23-2 GNU Libidn library, implementation of IETF IDN specifications rc libiec61883-0:i386 1.2.0-0.1ubuntu1 an partial implementation of IEC 61883 rc libieee1284-3:i386 0.2.11-10build1 cross-platform library for parallel port access rc libjack-jackd2-0:i386 1.9.8~dfsg.1-1ubuntu2 JACK Audio Connection Kit (libraries) rc libjasper1:i386 1.900.1-13 JasPer JPEG-2000 runtime library rc libjpeg-turbo8:i386 1.1.90+svn733-0ubuntu4.2 IJG JPEG compliant runtime library. rc libjson0:i386 0.9-1ubuntu1 JSON manipulation library - shared library rc libk5crypto3:i386 1.10+dfsg~beta1-2ubuntu0.3 MIT Kerberos runtime libraries - Crypto Library rc libkeyutils1:i386 1.5.2-2 Linux Key Management Utilities (library) rc libkrb5-26-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - libraries rc libkrb5-3:i386 1.10+dfsg~beta1-2ubuntu0.3 MIT Kerberos runtime libraries rc libkrb5support0:i386 1.10+dfsg~beta1-2ubuntu0.3 MIT Kerberos runtime libraries - Support library rc liblcms1:i386 1.19.dfsg-1ubuntu3 Little CMS color management library rc libldap-2.4-2:i386 2.4.28-1.1ubuntu4.4 OpenLDAP libraries rc libllvm3.0:i386 3.0-4ubuntu1 Low-Level Virtual Machine (LLVM), runtime library rc libllvm3.1:i386 3.1-2ubuntu1~12.04.1 Low-Level Virtual Machine (LLVM), runtime library rc libllvm3.2:i386 3.2-2ubuntu5~precise1 Low-Level Virtual Machine (LLVM), runtime library rc libltdl7:i386 2.4.2-1ubuntu1 A system independent dlopen wrapper for GNU libtool rc libmad0:i386 0.15.1b-7ubuntu1 MPEG audio decoder library rc libmikmod2:i386 3.1.12-2 Portable sound library rc libmng1:i386 1.0.10-3 Multiple-image Network Graphics library rc libmpg123-0:i386 1.12.1-3.2ubuntu1 MPEG layer 1/2/3 audio decoder -- runtime library rc libmysqlclient18:i386 5.5.32-0ubuntu0.12.04.1 MySQL database client library rc libnspr4:i386 4.9.5-0ubuntu0.12.04.1 NetScape Portable Runtime Library rc libnss3:i386 3.14.3-0ubuntu0.12.04.1 Network Security Service libraries rc libodbc1:i386 2.2.14p2-5ubuntu3 ODBC library for Unix rc libogg0:i386 1.2.2~dfsg-1ubuntu1 Ogg bitstream library rc libopenal1:i386 1:1.13-4ubuntu3 Software implementation of the OpenAL API (shared library) rc liborc-0.4-0:i386 1:0.4.16-1ubuntu2 Library of Optimized Inner Loops Runtime Compiler rc libosmesa6:i386 8.0.4-0ubuntu0.6 Mesa Off-screen rendering extension rc libp11-kit0:i386 0.12-2ubuntu1 Library for loading and coordinating access to PKCS#11 modules - runtime rc libpango1.0-0:i386 1.30.0-0ubuntu3.1 Layout and rendering of internationalized text rc libpixman-1-0:i386 0.24.4-1 pixel-manipulation library for X and cairo rc libproxy1:i386 0.4.7-0ubuntu4.1 automatic proxy configuration management library (shared) rc libpulse-mainloop-glib0:i386 1:1.1-0ubuntu15.4 PulseAudio client libraries (glib support) rc libpulse0:i386 1:1.1-0ubuntu15.4 PulseAudio client libraries rc libqt4-dbus:i386 4:4.8.1-0ubuntu4.4 Qt 4 D-Bus module rc libqt4-declarative:i386 4:4.8.1-0ubuntu4.4 Qt 4 Declarative module rc libqt4-designer:i386 4:4.8.1-0ubuntu4.4 Qt 4 designer module rc libqt4-network:i386 4:4.8.1-0ubuntu4.4 Qt 4 network module rc libqt4-opengl:i386 4:4.8.1-0ubuntu4.4 Qt 4 OpenGL module rc libqt4-qt3support:i386 4:4.8.1-0ubuntu4.4 Qt 3 compatibility library for Qt 4 rc libqt4-script:i386 4:4.8.1-0ubuntu4.4 Qt 4 script module rc libqt4-scripttools:i386 4:4.8.1-0ubuntu4.4 Qt 4 script tools module rc libqt4-sql:i386 4:4.8.1-0ubuntu4.4 Qt 4 SQL module rc libqt4-svg:i386 4:4.8.1-0ubuntu4.4 Qt 4 SVG module rc libqt4-test:i386 4:4.8.1-0ubuntu4.4 Qt 4 test module rc libqt4-xml:i386 4:4.8.1-0ubuntu4.4 Qt 4 XML module rc libqt4-xmlpatterns:i386 4:4.8.1-0ubuntu4.4 Qt 4 XML patterns module rc libqtcore4:i386 4:4.8.1-0ubuntu4.4 Qt 4 core module rc libqtgui4:i386 4:4.8.1-0ubuntu4.4 Qt 4 GUI module rc libqtwebkit4:i386 2.2.1-1ubuntu4 Web content engine library for Qt rc libraw1394-11:i386 2.0.7-1ubuntu1 library for direct access to IEEE 1394 bus (aka FireWire) rc libroken18-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - roken support library rc librsvg2-2:i386 2.36.1-0ubuntu1 SAX-based renderer library for SVG files (runtime) rc librtmp0:i386 2.4~20110711.gitc28f1bab-1 toolkit for RTMP streams (shared library) rc libsamplerate0:i386 0.1.8-4 Audio sample rate conversion library rc libsane:i386 1.0.22-7ubuntu1 API library for scanners rc libsasl2-2:i386 2.1.25.dfsg1-3ubuntu0.1 Cyrus SASL - authentication abstraction library rc libsdl-image1.2:i386 1.2.10-3 image loading library for Simple DirectMedia Layer 1.2 rc libsdl-mixer1.2:i386 1.2.11-7 Mixer library for Simple DirectMedia Layer 1.2, libraries rc libsdl-net1.2:i386 1.2.7-5 Network library for Simple DirectMedia Layer 1.2, libraries rc libsdl-ttf2.0-0:i386 2.0.9-1.1ubuntu1 ttf library for Simple DirectMedia Layer with FreeType 2 support rc libsdl1.2debian:i386 1.2.14-6.4ubuntu3 Simple DirectMedia Layer rc libshout3:i386 2.2.2-7ubuntu1 MP3/Ogg Vorbis broadcast streaming library rc libsm6:i386 2:1.2.0-2build1 X11 Session Management library rc libsndfile1:i386 1.0.25-4 Library for reading/writing audio files rc libsoup-gnome2.4-1:i386 2.38.1-1 HTTP library implementation in C -- GNOME support library rc libsoup2.4-1:i386 2.38.1-1 HTTP library implementation in C -- Shared library rc libspeex1:i386 1.2~rc1-3ubuntu2 The Speex codec runtime library rc libspeexdsp1:i386 1.2~rc1-3ubuntu2 The Speex extended runtime library rc libsqlite3-0:i386 3.7.9-2ubuntu1.1 SQLite 3 shared library rc libssl0.9.8:i386 0.9.8o-7ubuntu3.1 SSL shared libraries rc libstdc++5:i386 1:3.3.6-25ubuntu1 The GNU Standard C++ Library v3 rc libstdc++6:i386 4.6.3-1ubuntu5 GNU Standard C++ Library v3 rc libtag1-vanilla:i386 1.7-1ubuntu5 audio meta-data library - vanilla flavour rc libtasn1-3:i386 2.10-1ubuntu1.1 Manage ASN.1 structures (runtime) rc libtdb1:i386 1.2.9-4 Trivial Database - shared library rc libthai0:i386 0.1.16-3 Thai language support library rc libtheora0:i386 1.1.1+dfsg.1-3ubuntu2 The Theora Video Compression Codec rc libtiff4:i386 3.9.5-2ubuntu1.5 Tag Image File Format (TIFF) library rc libtxc-dxtn-s2tc0:i386 0~git20110809-2.1 Texture compression library for Mesa rc libunistring0:i386 0.9.3-5 Unicode string library for C rc libusb-0.1-4:i386 2:0.1.12-20 userspace USB programming library rc libv4l-0:i386 0.8.6-1ubuntu2 Collection of video4linux support libraries rc libv4lconvert0:i386 0.8.6-1ubuntu2 Video4linux frame format conversion library rc libvisual-0.4-0:i386 0.4.0-4 Audio visualization framework rc libvorbis0a:i386 1.3.2-1ubuntu3 The Vorbis General Audio Compression Codec (Decoder library) rc libvorbisenc2:i386 1.3.2-1ubuntu3 The Vorbis General Audio Compression Codec (Encoder library) rc libvorbisfile3:i386 1.3.2-1ubuntu3 The Vorbis General Audio Compression Codec (High Level API) rc libwavpack1:i386 4.60.1-2 audio codec (lossy and lossless) - library rc libwind0-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - stringprep implementation rc libwrap0:i386 7.6.q-21 Wietse Venema's TCP wrappers library rc libx11-6:i386 2:1.4.99.1-0ubuntu2.2 X11 client-side library rc libx11-xcb1:i386 2:1.4.99.1-0ubuntu2.2 Xlib/XCB interface library rc libxau6:i386 1:1.0.6-4 X11 authorisation library rc libxaw7:i386 2:1.0.9-3ubuntu1 X11 Athena Widget library rc libxcb-dri2-0:i386 1.8.1-1ubuntu0.2 X C Binding, dri2 extension rc libxcb-glx0:i386 1.8.1-1ubuntu0.2 X C Binding, glx extension rc libxcb-render0:i386 1.8.1-1ubuntu0.2 X C Binding, render extension rc libxcb-shm0:i386 1.8.1-1ubuntu0.2 X C Binding, shm extension rc libxcb1:i386 1.8.1-1ubuntu0.2 X C Binding rc libxcomposite1:i386 1:0.4.3-2build1 X11 Composite extension library rc libxcursor1:i386 1:1.1.12-1ubuntu0.1 X cursor management library rc libxdamage1:i386 1:1.1.3-2build1 X11 damaged region extension library rc libxdmcp6:i386 1:1.1.0-4 X11 Display Manager Control Protocol library rc libxext6:i386 2:1.3.0-3ubuntu0.1 X11 miscellaneous extension library rc libxfixes3:i386 1:5.0-4ubuntu4.1 X11 miscellaneous 'fixes' extension library rc libxft2:i386 2.2.0-3ubuntu2 FreeType-based font drawing library for X rc libxi6:i386 2:1.6.0-0ubuntu2.1 X11 Input extension library rc libxinerama1:i386 2:1.1.1-3ubuntu0.1 X11 Xinerama extension library rc libxml2:i386 2.7.8.dfsg-5.1ubuntu4.6 GNOME XML library rc libxmu6:i386 2:1.1.0-3 X11 miscellaneous utility library rc libxp6:i386 1:1.0.1-2ubuntu0.12.04.1 X Printing Extension (Xprint) client library rc libxpm4:i386 1:3.5.9-4 X11 pixmap library rc libxrandr2:i386 2:1.3.2-2ubuntu0.2 X11 RandR extension library rc libxrender1:i386 1:0.9.6-2ubuntu0.1 X Rendering Extension client library rc libxslt1.1:i386 1.1.26-8ubuntu1.3 XSLT 1.0 processing library - runtime library rc libxss1:i386 1:1.2.1-2 X11 Screen Saver extension library rc libxt6:i386 1:1.1.1-2ubuntu0.1 X11 toolkit intrinsics library rc libxtst6:i386 2:1.2.0-4ubuntu0.1 X11 Testing -- Record extension library rc libxv1:i386 2:1.0.6-2ubuntu0.1 X11 Video extension library rc libxxf86vm1:i386 1:1.1.1-2ubuntu0.1 X11 XFree86 video mode extension library rc odbcinst1debian2:i386 2.2.14p2-5ubuntu3 Support library for accessing odbc ini files rc skype-bin:i386 4.2.0.11-0ubuntu0.12.04.2 client for Skype VOIP and instant messaging service - binary files rc sni-qt:i386 0.2.5-0ubuntu3 indicator support for Qt rc wine-compholio:i386 1.7.4~ubuntu12.04.1 The Compholio Edition is a special build of the popular Wine software rc xaw3dg:i386 1.5+E-18.1ubuntu1 Xaw3d widget set

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  • Using Microsoft's Chart Controls In An ASP.NET Application: Serializing Chart Data

    In most usage scenarios, the data displayed in a Microsoft Chart control comes from some dynamic source, such as from a database query. The appearance of the chart can be modified dynamically, as well; past installments in this article series showed how to programmatically customize the axes, labels, and other appearance-related settings. However, it is possible to statically define the chart's data and appearance strictly through the control's declarative markup. One of the demos examined in the Getting Started article rendered a column chart with seven columns whose labels and values were defined statically in the <asp:Series> tag's <Points> collection. Given this functionality, it should come as no surprise that the Microsoft Chart Controls also support serialization. Serialization is the process of persisting the state of a control or an object to some other medium, such as to disk. Deserialization is the inverse process, and involves taking the persisted data and recreating the control or object. With just a few lines of code you can persist the appearance settings, the data, or both to a file on disk or to any stream. Likewise, it takes just a few lines of codes to reconstitute a chart from the persisted information. This article shows how to use the Microsoft Chart Control's serialization functionality by examining a demo application that allows users to create custom charts, specifying the data to plot and some appearance-related settings. The user can then save a "snapshot" of this chart, which persists its appearance and data to a record in a database. From another page, users can view these saved chart snapshots. Read on to learn more! Read More >

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  • Metro: Understanding Observables

    - by Stephen.Walther
    The goal of this blog entry is to describe how the Observer Pattern is implemented in the WinJS library. You learn how to create observable objects which trigger notifications automatically when their properties are changed. Observables enable you to keep your user interface and your application data in sync. For example, by taking advantage of observables, you can update your user interface automatically whenever the properties of a product change. Observables are the foundation of declarative binding in the WinJS library. The WinJS library is not the first JavaScript library to include support for observables. For example, both the KnockoutJS library and the Microsoft Ajax Library (now part of the Ajax Control Toolkit) support observables. Creating an Observable Imagine that I have created a product object like this: var product = { name: "Milk", description: "Something to drink", price: 12.33 }; Nothing very exciting about this product. It has three properties named name, description, and price. Now, imagine that I want to be notified automatically whenever any of these properties are changed. In that case, I can create an observable product from my product object like this: var observableProduct = WinJS.Binding.as(product); This line of code creates a new JavaScript object named observableProduct from the existing JavaScript object named product. This new object also has a name, description, and price property. However, unlike the properties of the original product object, the properties of the observable product object trigger notifications when the properties are changed. Each of the properties of the new observable product object has been changed into accessor properties which have both a getter and a setter. For example, the observable product price property looks something like this: price: { get: function () { return this.getProperty(“price”); } set: function (value) { this.setProperty(“price”, value); } } When you read the price property then the getProperty() method is called and when you set the price property then the setProperty() method is called. The getProperty() and setProperty() methods are methods of the observable product object. The observable product object supports the following methods and properties: · addProperty(name, value) – Adds a new property to an observable and notifies any listeners. · backingData – An object which represents the value of each property. · bind(name, action) – Enables you to execute a function when a property changes. · getProperty(name) – Returns the value of a property using the string name of the property. · notify(name, newValue, oldValue) – A private method which executes each function in the _listeners array. · removeProperty(name) – Removes a property and notifies any listeners. · setProperty(name, value) – Updates a property and notifies any listeners. · unbind(name, action) – Enables you to stop executing a function in response to a property change. · updateProperty(name, value) – Updates a property and notifies any listeners. So when you create an observable, you get a new object with the same properties as an existing object. However, when you modify the properties of an observable object, then you can notify any listeners of the observable that the value of a particular property has changed automatically. Imagine that you change the value of the price property like this: observableProduct.price = 2.99; In that case, the following sequence of events is triggered: 1. The price setter calls the setProperty(“price”, 2.99) method 2. The setProperty() method updates the value of the backingData.price property and calls the notify() method 3. The notify() method executes each function in the collection of listeners associated with the price property Creating Observable Listeners If you want to be notified when a property of an observable object is changed, then you need to register a listener. You register a listener by using the bind() method like this: (function () { "use strict"; var app = WinJS.Application; app.onactivated = function (eventObject) { if (eventObject.detail.kind === Windows.ApplicationModel.Activation.ActivationKind.launch) { // Simple product object var product = { name: "Milk", description: "Something to drink", price: 12.33 }; // Create observable product var observableProduct = WinJS.Binding.as(product); // Execute a function when price is changed observableProduct.bind("price", function (newValue) { console.log(newValue); }); // Change the price observableProduct.price = 2.99; } }; app.start(); })(); In the code above, the bind() method is used to associate the price property with a function. When the price property is changed, the function logs the new value of the price property to the Visual Studio JavaScript console. The price property is associated with the function using the following line of code: // Execute a function when price is changed observableProduct.bind("price", function (newValue) { console.log(newValue); }); Coalescing Notifications If you make multiple changes to a property – one change immediately following another – then separate notifications won’t be sent. Instead, any listeners are notified only once. The notifications are coalesced into a single notification. For example, in the following code, the product price property is updated three times. However, only one message is written to the JavaScript console. Only the last value assigned to the price property is written to the JavaScript Console window: // Simple product object var product = { name: "Milk", description: "Something to drink", price: 12.33 }; // Create observable product var observableProduct = WinJS.Binding.as(product); // Execute a function when price is changed observableProduct.bind("price", function (newValue) { console.log(newValue); }); // Change the price observableProduct.price = 3.99; observableProduct.price = 2.99; observableProduct.price = 1.99; Only the last value assigned to price, the value 1.99, appears in the console: If there is a time delay between changes to a property then changes result in different notifications. For example, the following code updates the price property every second: // Simple product object var product = { name: "Milk", description: "Something to drink", price: 12.33 }; // Create observable product var observableProduct = WinJS.Binding.as(product); // Execute a function when price is changed observableProduct.bind("price", function (newValue) { console.log(newValue); }); // Add 1 to price every second window.setInterval(function () { observableProduct.price += 1; }, 1000); In this case, separate notification messages are logged to the JavaScript Console window: If you need to prevent multiple notifications from being coalesced into one then you can take advantage of promises. I discussed WinJS promises in a previous blog entry: http://stephenwalther.com/blog/archive/2012/02/22/windows-web-applications-promises.aspx Because the updateProperty() method returns a promise, you can create different notifications for each change in a property by using the following code: // Change the price observableProduct.updateProperty("price", 3.99) .then(function () { observableProduct.updateProperty("price", 2.99) .then(function () { observableProduct.updateProperty("price", 1.99); }); }); In this case, even though the price is immediately changed from 3.99 to 2.99 to 1.99, separate notifications for each new value of the price property are sent. Bypassing Notifications Normally, if a property of an observable object has listeners and you change the property then the listeners are notified. However, there are certain situations in which you might want to bypass notification. In other words, you might need to change a property value silently without triggering any functions registered for notification. If you want to change a property without triggering notifications then you should change the property by using the backingData property. The following code illustrates how you can change the price property silently: // Simple product object var product = { name: "Milk", description: "Something to drink", price: 12.33 }; // Create observable product var observableProduct = WinJS.Binding.as(product); // Execute a function when price is changed observableProduct.bind("price", function (newValue) { console.log(newValue); }); // Change the price silently observableProduct.backingData.price = 5.99; console.log(observableProduct.price); // Writes 5.99 The price is changed to the value 5.99 by changing the value of backingData.price. Because the observableProduct.price property is not set directly, any listeners associated with the price property are not notified. When you change the value of a property by using the backingData property, the change in the property happens synchronously. However, when you change the value of an observable property directly, the change is always made asynchronously. Summary The goal of this blog entry was to describe observables. In particular, we discussed how to create observables from existing JavaScript objects and bind functions to observable properties. You also learned how notifications are coalesced (and ways to prevent this coalescing). Finally, we discussed how you can use the backingData property to update an observable property without triggering notifications. In the next blog entry, we’ll see how observables are used with declarative binding to display the values of properties in an HTML document.

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  • guvcview recording video and audio out of synchronisation in Ubuntu 10.10

    - by SIJAR
    I finally got Guvcview, a great software for Logitech webcam and it does all the stuff that one wants out of it. But I'm not satisfy with the video recording, video and audio out of synchronisation also video seems to be in slow motion. Please help so that I can tweak in and get a good video recording with the webcam. Below is the log of Guvcview ------------------------------------------------------------------------------- guvcview 1.4.1 video_device: /dev/video0 vid_sleep: 0 cap_meth: 1 resolution: 640 x 480 windowsize: 1024 x 715 vert pane: 578 spin behavior: 0 mode: mjpg fps: 1/25 Display Fps: 0 bpp: 0 hwaccel: 1 avi_format: 4 sound: 1 sound Device: 4 sound samp rate: 0 sound Channels: 0 Sound delay: 0 nanosec Sound Format: 85 Pan Step: 2 degrees Tilt Step: 2 degrees Video Filter Flags: 0 image inc: 0 profile(default):/home/sijar/default.gpfl starting portaudio... bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: connect() failed: Connection refused (111) Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started language catalog= dir:/usr/share/locale type:UTF-8 lang:en_US.utf8 cat:guvcview.mo mjpg: setting format to 1196444237 capture method = 1 video device: /dev/video0 libv4lconvert: warning more framesizes then I can handle! libv4lconvert: warning more framesizes then I can handle! /dev/video0 - device 1 libv4lconvert: warning more framesizes then I can handle! libv4lconvert: warning more framesizes then I can handle! Init. UVC Camera (046d:0825) (location: usb-0000:00:1d.7-5) { pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' } { discrete: width = 640, height = 480 } Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, { discrete: width = 160, height = 120 } Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, { discrete: width = 176, height = 144 } Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, { discrete: width = 320, height = 176 } Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, { discrete: width = 320, height = 240 } Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, { discrete: width = 352, height = 288 } Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, { discrete: width = 432, height = 240 } Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, { discrete: width = 544, height = 288 } Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, { discrete: width = 640, height = 360 } Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5, ... repeats a couple of times ... vid:046d pid:0825 driver:uvcvideo Adding control for Pan (relative) UVCIOC_CTRL_ADD - Error: Operation not permitted checking format: 1196444237 VIDIOC_G_COMP:: Invalid argument compression control not supported fps is set to 1/25 drawing controls control[0]: 0x980900 Brightness, 0:255:1, default 128 control[0]: 0x980901 Contrast, 0:255:1, default 32 control[0]: 0x980902 Saturation, 0:255:1, default 32 control[0]: 0x98090c White Balance Temperature, Auto, 0:1:1, default 1 control[0]: 0x980913 Gain, 0:255:1, default 0 control[0]: 0x980918 Power Line Frequency, 0:2:1, default 2 control[0]: 0x98091a White Balance Temperature, 0:10000:10, default 4000 control[0]: 0x98091b Sharpness, 0:255:1, default 24 control[0]: 0x98091c Backlight Compensation, 0:1:1, default 1 control[0]: 0x9a0901 Exposure, Auto, 0:3:1, default 3 control[0]: 0x9a0902 Exposure (Absolute), 1:10000:1, default 166 control[0]: 0x9a0903 Exposure, Auto Priority, 0:1:1, default 0 resolutions of format(2) = 19 frame rates of 1º resolution=6 Def. Res: 0 numb. fps:6 --------------------------------------- device #0 Name = Intel 82801DB-ICH4: Intel 82801DB-ICH4 (hw:0,0) Host API = ALSA Max inputs = 2, Max outputs = 2 Def. low input latency = 0.012 Def. low output latency = 0.012 Def. high input latency = 0.046 Def. high output latency = 0.046 Def. sample rate = 44100.00 --------------------------------------- device #1 Name = Intel 82801DB-ICH4: Intel 82801DB-ICH4 - MIC ADC (hw:0,1) Host API = ALSA Max inputs = 2, Max outputs = 0 Def. low input latency = 0.011 Def. low output latency = -1.000 Def. high input latency = 0.043 Def. high output latency = -1.000 Def. sample rate = 48000.00 --------------------------------------- device #2 Name = Intel 82801DB-ICH4: Intel 82801DB-ICH4 - MIC2 ADC (hw:0,2) Host API = ALSA Max inputs = 2, Max outputs = 0 Def. low input latency = 0.011 Def. low output latency = -1.000 Def. high input latency = 0.043 Def. high output latency = -1.000 Def. sample rate = 48000.00 --------------------------------------- device #3 Name = Intel 82801DB-ICH4: Intel 82801DB-ICH4 - ADC2 (hw:0,3) Host API = ALSA Max inputs = 2, Max outputs = 0 Def. low input latency = 0.011 Def. low output latency = -1.000 Def. high input latency = 0.043 Def. high output latency = -1.000 Def. sample rate = 48000.00 --------------------------------------- device #4 Name = Intel 82801DB-ICH4: Intel 82801DB-ICH4 - IEC958 (hw:0,4) Host API = ALSA Max inputs = 0, Max outputs = 2 Def. low input latency = -1.000 Def. low output latency = 0.011 Def. high input latency = -1.000 Def. high output latency = 0.043 Def. sample rate = 48000.00 --------------------------------------- device #5 Name = USB Device 0x46d:0x825: USB Audio (hw:1,0) Host API = ALSA Max inputs = 1, Max outputs = 0 Def. low input latency = 0.011 Def. low output latency = -1.000 Def. high input latency = 0.043 Def. high output latency = -1.000 Def. sample rate = 48000.00 --------------------------------------- device #6 Name = front Host API = ALSA Max inputs = 0, Max outputs = 2 Def. low input latency = -1.000 Def. low output latency = 0.012 Def. high input latency = -1.000 Def. high output latency = 0.046 Def. sample rate = 44100.00 --------------------------------------- device #7 Name = iec958 Host API = ALSA Max inputs = 0, Max outputs = 2 Def. low input latency = -1.000 Def. low output latency = 0.011 Def. high input latency = -1.000 Def. high output latency = 0.043 Def. sample rate = 48000.00 --------------------------------------- device #8 Name = spdif Host API = ALSA Max inputs = 0, Max outputs = 2 Def. low input latency = -1.000 Def. low output latency = 0.011 Def. high input latency = -1.000 Def. high output latency = 0.043 Def. sample rate = 48000.00 --------------------------------------- device #9 Name = pulse Host API = ALSA Max inputs = 32, Max outputs = 32 Def. low input latency = 0.012 Def. low output latency = 0.012 Def. high input latency = 0.046 Def. high output latency = 0.046 Def. sample rate = 44100.00 --------------------------------------- device #10 Name = dmix Host API = ALSA Max inputs = 0, Max outputs = 2 Def. low input latency = -1.000 Def. low output latency = 0.043 Def. high input latency = -1.000 Def. high output latency = 0.043 Def. sample rate = 48000.00 --------------------------------------- device #11 [ Default Input, Default Output ] Name = default Host API = ALSA Max inputs = 32, Max outputs = 32 Def. low input latency = 0.012 Def. low output latency = 0.012 Def. high input latency = 0.046 Def. high output latency = 0.046 Def. sample rate = 44100.00 ---------------------------------------------- SampleRate:0 Channels:0 Video driver: x11 A window manager is available VIDIOC_S_EXT_CTRLS for multiple controls failed (error -1) using VIDIOC_S_CTRL for user class controls control(0x0098091a) "White Balance Temperature" failed to set (error -1) VIDIOC_S_EXT_CTRLS for multiple controls failed (error -1) using VIDIOC_S_EXT_CTRLS on single controls for class: 0x009a0000 control(0x009a0902) "Exposure (Absolute)" failed to set (error -1) VIDIOC_S_EXT_CTRLS for multiple controls failed (error -1) using VIDIOC_S_CTRL for user class controls control(0x0098091a) "White Balance Temperature" failed to set (error -1) VIDIOC_S_EXT_CTRLS for multiple controls failed (error -1) using VIDIOC_S_EXT_CTRLS on single controls for class: 0x009a0000 control(0x009a0902) "Exposure (Absolute)" failed to set (error -1) Cap Video toggled: 1 (/home/sijar/Videos/Webcam) 25371756K bytes free on a total of 39908968K (used: 36 %) treshold=51200K using audio codec: 0x0055 Audio frame size is 1152 samples for selected codec IO thread started...OK [libx264 @ 0x8cbd8b0]using cpu capabilities: MMX2 SSE2 Cache64 [libx264 @ 0x8cbd8b0]profile Baseline, level 3.0 [libx264 @ 0x8cbd8b0]non-strictly-monotonic PTS shift sound by -9 ms shift sound by -9 ms shift sound by -9 ms AUDIO: droping audio data AUDIO: droping audio data AUDIO: droping audio data AUDIO: droping audio data AUDIO: droping audio data ... repeats a couple of times ... AUDIO: droping audio data (/home/sijar/Videos/Webcam) 25371748K bytes free on a total of 39908968K (used: 36 %) treshold=51200K AUDIO: droping audio data AUDIO: droping audio data ... repeats a couple of times ... Cap Video toggled: 0 Shuting Down IO Thread AUDIO: droping audio data stop= 4426644744000 start=4416533023000 VIDEO: 146 frames in 10111.000000 ms = 14.439719 fps Stoping audio stream Closing audio stream... close avi Last message repeated 145 times [libx264 @ 0x8cbd8b0]frame I:2 Avg QP:14.10 size: 24492 [libx264 @ 0x8cbd8b0]frame P:103 Avg QP:16.06 size: 20715 [libx264 @ 0x8cbd8b0]mb I I16..4: 48.4% 0.0% 51.6% [libx264 @ 0x8cbd8b0]mb P I16..4: 57.5% 0.0% 0.0% P16..4: 40.2% 0.0% 0.0% 0.0% 0.0% skip: 2.3% [libx264 @ 0x8cbd8b0]final ratefactor: 62.05 [libx264 @ 0x8cbd8b0]coded y,uvDC,uvAC intra: 79.7% 92.2% 68.4% inter: 62.4% 87.5% 48.0% [libx264 @ 0x8cbd8b0]i16 v,h,dc,p: 23% 17% 41% 19% [libx264 @ 0x8cbd8b0]i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 24% 26% 2% 5% 3% 3% 3% 4% [libx264 @ 0x8cbd8b0]i8c dc,h,v,p: 53% 20% 23% 4% [libx264 @ 0x8cbd8b0]ref P L0: 63.0% 37.0% [libx264 @ 0x8cbd8b0]kb/s:-0.00 total frames encoded: 0 total audio frames encoded: 0 IO thread finished...OK IO Thread finished enabling controls Cap Video toggled: 1 (/home/sijar/Videos/Webcam) 25379744K bytes free on a total of 39908968K (used: 36 %) treshold=51200K using audio codec: 0x0055 Audio frame size is 1152 samples for selected codec IO thread started...OK [libx264 @ 0x8cfba20]using cpu capabilities: MMX2 SSE2 Cache64 [libx264 @ 0x8cfba20]profile Baseline, level 3.0 [libx264 @ 0x8cfba20]non-strictly-monotonic PTS shift sound by -236 ms shift sound by -236 ms shift sound by -236 ms (/home/sijar/Videos/Webcam) 25377044K bytes free on a total of 39908968K (used: 36 %) treshold=51200K (/home/sijar/Videos/Webcam) 25373408K bytes free on a total of 39908968K (used: 36 %) treshold=51200K AUDIO: droping audio data AUDIO: droping audio data AUDIO: droping audio data AUDIO: droping audio data AUDIO: droping audio data AUDIO: droping audio data ... repeats a couple of times ... (/home/sijar/Videos/Webcam) 25370696K bytes free on a total of 39908968K (used: 36 %) treshold=51200K AUDIO: droping audio data AUDIO: droping audio data AUDIO: droping audio data ... repeats a couple of times ... (/home/sijar/Videos/Webcam) 25367680K bytes free on a total of 39908968K (used: 36 %) treshold=51200K (/home/sijar/Videos/Webcam) 25364052K bytes free on a total of 39908968K (used: 36 %) treshold=51200K (/home/sijar/Videos/Webcam) 25360312K bytes free on a total of 39908968K (used: 36 %) treshold=51200K (/home/sijar/Videos/Webcam) 25356628K bytes free on a total of 39908968K (used: 36 %) treshold=51200K (/home/sijar/Videos/Webcam) 25352908K bytes free on a total of 39908968K (used: 36 %) treshold=51200K (/home/sijar/Videos/Webcam) 25349316K bytes free on a total of 39908968K (used: 36 %) treshold=51200K (/home/sijar/Videos/Webcam) 25345552K bytes free on a total of 39908968K (used: 36 %) treshold=51200K (/home/sijar/Videos/Webcam) 25341828K bytes free on a total of 39908968K (used: 36 %) treshold=51200K (/home/sijar/Videos/Webcam) 25338092K bytes free on a total of 39908968K (used: 36 %) treshold=51200K (/home/sijar/Videos/Webcam) 25334412K bytes free on a total of 39908968K (used: 36 %) treshold=51200K Cap Video toggled: 0 Shuting Down IO Thread stop= 4708817235000 start=4578624714000 VIDEO: 1604 frames in 130192.000000 ms = 12.320265 fps Stoping audio stream Closing audio stream... close avi Last message repeated 1603 times [libx264 @ 0x8cfba20]frame I:16 Avg QP:14.78 size: 42627 [libx264 @ 0x8cfba20]frame P:1547 Avg QP:16.44 size: 28599 [libx264 @ 0x8cfba20]mb I I16..4: 21.6% 0.0% 78.4% [libx264 @ 0x8cfba20]mb P I16..4: 28.1% 0.0% 0.0% P16..4: 70.5% 0.0% 0.0% 0.0% 0.0% skip: 1.4% [libx264 @ 0x8cfba20]final ratefactor: 88.17 [libx264 @ 0x8cfba20]coded y,uvDC,uvAC intra: 74.4% 95.8% 83.2% inter: 75.2% 94.6% 69.2% [libx264 @ 0x8cfba20]i16 v,h,dc,p: 27% 17% 40% 16% [libx264 @ 0x8cfba20]i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25% 25% 21% 3% 6% 4% 5% 4% 7% [libx264 @ 0x8cfba20]i8c dc,h,v,p: 61% 18% 18% 4% [libx264 @ 0x8cfba20]ref P L0: 64.0% 36.0% [libx264 @ 0x8cfba20]kb/s:-0.00 total frames encoded: 0 total audio frames encoded: 0 IO thread finished...OK IO Thread finished enabling controls Shuting Down Thread Thread terminated... cleaning Thread allocations: 100% SDL Quit Video Thread finished write /home/sijar/.guvcviewrc OK free audio mutex closed v4l2 strutures free controls free controls - vidState cleaned allocations - 100% Closing portaudio ...OK Closing GTK... OK

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  • Getting Started with Puppet on Oracle Solaris 11

    - by Glynn Foster
    One of the exciting enhancements with Oracle Solaris 11.2 has been the introduction of Puppet. While upstream Puppet did have some rudimentary support for Oracle Solaris 11, Drew Fisher and Ginnie Wray worked tirelessly to add enhance the Oracle Solaris Puppet offering. We've talked to customers over the past few years and asked them what their problems were and what technologies they were using, particularly for configuration management. Puppet came up time and time again, and it made a huge amount of sense bringing it as a 1st class citizen in the Oracle Solaris platform. So what is Puppet, and why is it useful? To quote from PuppetLabs, the guys who are responsible for creating Puppet: Puppet is a declarative, model-based approach to IT automation, helping you manage infrastructure throughout its lifecycle, from provisioning and configuration to orchestration and reporting. Using Puppet, you can easily automate repetitive tasks, quickly deploy critical applications, and proactively manage change, scaling from 10s of servers to 1000s, on-premise or in the cloud. What's more, with Puppet support for Oracle Solaris, administrators can now manage a completely heterogeneous data center from a single or series of Puppet masters. Better still, it's an excellent tool when combined with our new compliance framework to ensure you're meeting your compliance regulations. We're not stopping there of course, and we'll enhance our offerings over time, and work with PuppetLabs to get some of this support upstream (or into the Puppet Forge). So if you've heard some of the buzz around Puppet and never quite got started, and have some Oracle Solaris real estate that you'd love to manage, check out the Getting Started with Puppet on Oracle Solaris 11 guide.

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  • Welcome to the Weblog on Oracle ADF Mobile!

    - by joe.huang
    Welcome to ADF Mobile team's weblog.  My name is Joe Huang - I am the product manager for ADF Mobile.  Oracle ADF Mobile is a part of Oracle's Application Development Framework (ADF) that support the development of enterprise/business applications that run on mobile devices.  The development tool for this framework is of course Oracle JDeveloper.  As some of you may know, we currently support the development of mobile browser-based application - this part of product is called ADF Mobile Browser.  Additionally, we are close to release a technology preview of ADF Mobile Client, which supports development of on-device, disconnect capable mobile applications.  What's truly unique about ADF Mobile development process is that it's a very visual and declarative experience, while still allow power Java developers to completely extend the framework to their liking.  The framework also provides a rich set of services needed by an enterprise-grade mobile application - these services would literally take years to implement if they are to be built from the ground up.  However, by using JDeveloper and ADF Mobile, you get the entire framework at your service!In the coming entries, the ADF Mobile product development team will publish any news, best practices, our observation on mobile technology trends, or just our experiences in playing with "gadgets".  Be sure to check back on this page!Sincerely,Joe HuangOracle

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  • SQLAuthority News – Microsoft SQL Server 2012 Service Pack 1 Released (SP1)

    - by pinaldave
    Last week, I was attending SQLPASS 2012 and I had great fun attending the event. During the event long awaited SQL Serer 2012 Service Pack 1 was released. I am pretty excited with SP1 as new service packs are cumulative updates and upgrade all editions and service levels of SQL Server 2012 to SP1. This service pack contains SQL Server 2012 Cumulative Update 1 (CU1) and Cumulative Update 2 (CU2). The latest SP1 has many new and enhanced features. Here are a few for example: Cross-Cluster Migration of AlwaysOn Availability Groups for OS Upgrade Selective XML Index DBCC SHOW_STATISTICS works with SELECT permission New function returns statistics properties – sys.dm_db_stats_properties SSMS Complete in Express SlipStream Full Installation Business Intelligence highlights with Office and SharePoint Server 2013 Management Object Support Added for Resource Governor DDL Please note that the size of the service pack is near 1 GB. Here is the link to SQL Server 2012 Service Pack 1. SQL Server Express is the free and feature rich edition of the SQL Server. It is used with lightweight website and desktop applications. Here is the link to SQL Server 2012 EXPRESS Service Pack 1. Here is the question for you – how long have you been using SQL Server 2012? Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Documentation, SQL Download, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology Tagged: Service Pack

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  • Partner Webcast - Extend Your Application Reach to Mobile Devices. The Fusion Way!

    - by Thanos
    Mobile access to enterprise applications is fast becoming a standard part of corporate life. Such applications increase organizational efficiency because mobile devices are more readily at hand than their desktop counterparts. However, the speed with which mobile platforms are evolving creates challenges as enterprises define their mobile strategies. Extending Oracle Enterprise and Fusion Applications to mobile devices comes natural with Oracle Application Development Framework (ADF) Mobile, which provides all the necessary tools, services, and infrastructure to protect against technology shifts. Oracle ADF Mobile, part of Oracle ADF - the strategic, standards based framework for Oracle Fusion Applications and Oracle Fusion Middleware, is an HTML5 and Java mobile development framework that enables developers to build and extend enterprise applications for iOS and Android from a single code base. Based on a hybrid mobile architecture, ADF Mobile supports access to native device services, enables offline applications and protects enterprise investments from future technology shifts. Oracle ADF Mobile is part of Oracle ADF, the strategic, standards based framework for Oracle Fusion Applications and Oracle Fusion Middleware. Join us to find out more about Oracle ADF Mobile and how to extend your applications to tablets & mobiles building the next generation mobile applications. Agenda: Enterprise Challenges & Mobile Computing Oracle ADF Mobile Features & Benefits Visual and Declarative Development Develop Once and Deploy Java Technology & Runtime Architecture Mobile Optimized User Experience Device Services Offline Support Authentication & Security Live Demonstration Q&A Delivery Format This FREE online LIVE eSeminar will be delivered over the Web. Registrations received less than 24hours prior to start time may not receive confirmation to attend. Duration: 1 hour Register Now! For any questions please contact us at [email protected] Visit our ISV Migration Center blog Or Follow us @oracleimc to learn more on Oracle Technologies, upcoming partner webcasts and events. Existing content available YouTube - SlideShare - Oracle Mix.

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  • Database Developers Can Now Save 20%

    - by stephen.garth
    Database developers can now increase productivity and save money at the same time. For a limited time, Oracle Store is offering a 20% discount on Oracle SQL Developer Data Modeler. Just enter the code SQLDDM at checkout to get the discount. Oracle SQL Developer Data Modeler is an independent, standalone product with a full spectrum of data and database modeling tools and utilities, including modeling for Entity Relationship Diagrams (ERD), Relational (database design), Data Type and Multi-dimensional modeling, full forward and reverse engineering and DDL code generation. SQL Developer Data Modeler can connect to any supported Oracle Database and is platform independent. Save 20% on Oracle SQL Developer Data Modeler at Oracle Store - Discount Code SQLDDM Find out more about Oracle SQL Developer and Oracle SQL Developer Data Modeler var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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  • Top 5 Developer Enabling Nuggets in MySQL 5.6

    - by Rob Young
    MySQL 5.6 is truly a better MySQL and reflects Oracle's commitment to the evolution of the most popular and widelyused open source database on the planet.  The feature-complete 5.6 release candidate was announced at MySQL Connect in late September and the production-ready, generally available ("GA") product should be available in early 2013.  While the message around 5.6 has been focused mainly on mass appeal, advanced topics like performance/scale, high availability, and self-healing replication clusters, MySQL 5.6 also provides many developer-friendly nuggets that are designed to enable those who are building the next generation of web-based and embedded applications and services. Boiling down the 5.6 feature set into a smaller set, of simple, easy to use goodies designed with developer agility in mind, these things deserve a quick look:Subquery Optimizations Using semi-JOINs and late materialization, the MySQL 5.6 Optimizer delivers greatly improved subquery performance. Specifically, the optimizer is now more efficient in handling subqueries in the FROM clause; materialization of subqueries in the FROM clause is now postponed until their contents are needed during execution. Additionally, the optimizer may add an index to derived tables during execution to speed up row retrieval. Internal tests run using the DBT-3 benchmark Query #13, shown below, demonstrate an order of magnitude improvement in execution times (from days to seconds) over previous versions. select c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity)from customer, orders, lineitemwhere o_orderkey in (                select l_orderkey                from lineitem                group by l_orderkey                having sum(l_quantity) > 313  )  and c_custkey = o_custkey  and o_orderkey = l_orderkeygroup by c_name, c_custkey, o_orderkey, o_orderdate, o_totalpriceorder by o_totalprice desc, o_orderdateLIMIT 100;What does this mean for developers?  For starters, simplified subqueries can now be coded instead of complex joins for cross table lookups: SELECT title FROM film WHERE film_id IN (SELECT film_id FROM film_actor GROUP BY film_id HAVING count(*) > 12); And even more importantly subqueries embedded in packaged applications no longer need to be re-written into joins.  This is good news for both ISVs and their customers who have access to the underlying queries and who have spent development cycles writing, testing and maintaining their own versions of re-written queries across updated versions of a packaged app.The details are in the MySQL 5.6 docs. Online DDL OperationsToday's web-based applications are designed to rapidly evolve and adapt to meet business and revenue-generationrequirements. As a result, development SLAs are now most often measured in minutes vs days or weeks. For example, when an application must quickly support new product lines or new products within existing product lines, the backend database schema must adapt in kind, and most commonly while the application remains available for normal business operations.  MySQL 5.6 supports this level of online schema flexibility and agility by providing the following new ALTER TABLE online DDL syntax additions:  CREATE INDEX DROP INDEX Change AUTO_INCREMENT value for a column ADD/DROP FOREIGN KEY Rename COLUMN Change ROW FORMAT, KEY_BLOCK_SIZE for a table Change COLUMN NULL, NOT_NULL Add, drop, reorder COLUMN Again, the details are in the MySQL 5.6 docs. Key-value access to InnoDB via Memcached APIMany of the next generation of web, cloud, social and mobile applications require fast operations against simple Key/Value pairs. At the same time, they must retain the ability to run complex queries against the same data, as well as ensure the data is protected with ACID guarantees. With the new NoSQL API for InnoDB, developers have allthe benefits of a transactional RDBMS, coupled with the performance capabilities of Key/Value store.MySQL 5.6 provides simple, key-value interaction with InnoDB data via the familiar Memcached API.  Implemented via a new Memcached daemon plug-in to mysqld, the new Memcached protocol is mapped directly to the native InnoDB API and enables developers to use existing Memcached clients to bypass the expense of query parsing and go directly to InnoDB data for lookups and transactional compliant updates.  The API makes it possible to re-use standard Memcached libraries and clients, while extending Memcached functionality by integrating a persistent, crash-safe, transactional database back-end.  The implementation is shown here:So does this option provide a performance benefit over SQL?  Internal performance benchmarks using a customized Java application and test harness show some very promising results with a 9X improvement in overall throughput for SET/INSERT operations:You can follow the InnoDB team blog for the methodology, implementation and internal test cases that generated these results here. How to get started with Memcached API to InnoDB is here. New Instrumentation in Performance SchemaThe MySQL Performance Schema was introduced in MySQL 5.5 and is designed to provide point in time metrics for key performance indicators.  MySQL 5.6 improves the Performance Schema in answer to the most common DBA and Developer problems.  New instrumentations include: Statements/Stages What are my most resource intensive queries? Where do they spend time? Table/Index I/O, Table Locks Which application tables/indexes cause the most load or contention? Users/Hosts/Accounts Which application users, hosts, accounts are consuming the most resources? Network I/O What is the network load like? How long do sessions idle? Summaries Aggregated statistics grouped by statement, thread, user, host, account or object. The MySQL 5.6 Performance Schema is now enabled by default in the my.cnf file with optimized and auto-tune settings that minimize overhead (< 5%, but mileage will vary), so using the Performance Schema ona production server to monitor the most common application use cases is less of an issue.  In addition, new atomic levels of instrumentation enable the capture of granular levels of resource consumption by users, hosts, accounts, applications, etc. for billing and chargeback purposes in cloud computing environments.The MySQL docs are an excellent resource for all that is available and that can be done with the 5.6 Performance Schema. Better Condition Handling - GET DIAGNOSTICSMySQL 5.6 enables developers to easily check for error conditions and code for exceptions by introducing the new MySQL Diagnostics Area and corresponding GET DIAGNOSTICS interface command. The Diagnostic Area can be populated via multiple options and provides 2 kinds of information:Statement - which provides affected row count and number of conditions that occurredCondition - which provides error codes and messages for all conditions that were returned by a previous operation The addressable items for each are: The new GET DIAGNOSTICS command provides a standard interface into the Diagnostics Area and can be used via the CLI or from within application code to easily retrieve and handle the results of the most recent statement execution.  An example of how it is used might be:mysql> DROP TABLE test.no_such_table; ERROR 1051 (42S02): Unknown table 'test.no_such_table' mysql> GET DIAGNOSTICS CONDITION 1 -> @p1 = RETURNED_SQLSTATE, @p2 = MESSAGE_TEXT; mysql> SELECT @p1, @p2; +-------+------------------------------------+| @p1   | @p2                                | +-------+------------------------------------+| 42S02 | Unknown table 'test.no_such_table' | +-------+------------------------------------+ Options for leveraging the MySQL Diagnotics Area and GET DIAGNOSTICS are detailed in the MySQL Docs.While the above is a summary of some of the key developer enabling 5.6 features, it is by no means exhaustive. You can dig deeper into what MySQL 5.6 has to offer by reading this developer zone article or checking out "What's New in MySQL 5.6" in the MySQL docs.BONUS ALERT!  If you are developing on Windows or are considering MySQL as an alternative to SQL Server for your next project, application or shipping product, you should check out the MySQL Installer for Windows.  The installer includes the MySQL 5.6 RC database, all drivers, Visual Studio and Excel plugins, tray monitor and development tools all a single download and GUI installer.   So what are your next steps? Register for Dec. 13 "MySQL 5.6: Building the Next Generation of Web-Based Applications and Services" live web event.  Hurry!  Seats are limited. Download the MySQL 5.6 Release Candidate (look under the Development Releases tab) Provide Feedback <link to http://bugs.mysql.com/> Join the Developer discussion on the MySQL Forums Explore all MySQL Products and Developer Tools As always, thanks for your continued support of MySQL!

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  • ArchBeat Link-o-Rama for 11/22/2011

    - by Bob Rhubart
    A Brief Introduction on Migrating to an Oracle-based Cloud Environment | Tom Laszewski "Before you can start migrating to the cloud, you must define what the cloud means to you," says Tom Laszeski. "The cloud is not a specific software or hardware product; contrary to what many technology vendors would have you believe." Custom Exception Registration for ADF BC EO Attribute | Andrejus Baranovskis "Sometimes customers prefer to implement business logic validation completely in Java, without using ADF BC declarative/Groovy validation rules," says Oracle ACE Director Andrejus Baranovskis. "Thats fine, we can code business logic validation in ADF and implement different custom validation methods on VO/EO level." Oracle Exadata Virtual Conference - Jan 20 2012 The Exadata SIG, along with IOUG, is organizing the First Exadata Virtual Conference, to be held on January 20, 2012. Proposals for presentations are now being accepted. Smooth Sailing or Rough Waters: Navigating Policy Administration Modernization | Helen Pitts "It’s no surprise that fueling growth, both now and in the future, continues to be a key driver for modernization" says Helen Pitts. "Why? Inflexible, hard-coded, legacy systems require customization by IT every time a change is required." Architects putting on the Ritz; Info integration book learning; Platform for SAS Grid Computing This week on the Architect Home Page on OTN. Webcast: Introducing Oracle WebLogic Server 12c: Developer Deep Dive - Dec 1 - 11am PT / 2pm ET Learn how Oracle WebLogic Server 12c enables rapid development of modern, lightweight Java EE 6 applications. Discover how you can leverage the latest development technologies, tools and standards when deploying to Oracle WebLogic Server across both conventional and Cloud environments. Architecture all day. Oracle Technology Network Architect Day - Phoenix, AZ - Dec14. Free registration. When: December 14, 2011 Where: The Ritz-Carlton, Phoenix, 2401 East Camelback Road, Phoenix, AZ 85016 Registration is free, but seating is limited.

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  • Hex Dump using LINQ (in 7 lines of code)

    - by Fabrice Marguerie
    Eric White has posted an interesting LINQ query on his blog that shows how to create a Hex Dump in something like 7 lines of code.Of course, this is not production grade code, but it's another good example that demonstrates the expressiveness of LINQ.Here is the code:byte[] ba = File.ReadAllBytes("test.xml");int bytesPerLine = 16;string hexDump = ba.Select((c, i) => new { Char = c, Chunk = i / bytesPerLine })    .GroupBy(c => c.Chunk)    .Select(g => g.Select(c => String.Format("{0:X2} ", c.Char))        .Aggregate((s, i) => s + i))    .Select((s, i) => String.Format("{0:d6}: {1}", i * bytesPerLine, s))    .Aggregate("", (s, i) => s + i + Environment.NewLine);Console.WriteLine(hexDump); Here is a sample output:000000: FF FE 3C 00 3F 00 78 00 6D 00 6C 00 20 00 76 00000016: 65 00 72 00 73 00 69 00 6F 00 6E 00 3D 00 22 00000032: 31 00 2E 00 30 00 22 00 20 00 65 00 6E 00 63 00000048: 6F 00 64 00 69 00 6E 00 67 00 3D 00 22 00 75 00000064: 3E 00Eric White reports that he typically notices that declarative code is only 20% as long as imperative code. Cross-posted from http://linqinaction.net

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  • Thank You MySQL Community! MySQL 5.6.9 Release Candidate Available Now!

    - by Rob Young
    The MySQL Community continues its good work in testing and refining MySQL 5.6, and as such the next iteration of the 5.6 Release Candidate is now available for download.  You can get MySQL 5.6.9 here (look under the "Development Releases" tab).  This version is the result of feedback we have gotten since MySQL 5.6.7 was announced at MySQL Connect in late September. As iron sharpens iron, Community feedback sharpens the quality and performance of MySQL so please download 5.6.9 and let us know how we can improve it as we move toward the production-ready product release in early 2013. MySQL 5.6 is designed to meet the agility demands of the next generation of web apps and services and includes across the board improvements to the Optimizer, InnoDB performance/scale and online DDL operations, self-healing Replication, Performance Schema Instrumentation, Security and developer enabling NoSQL functionality.  You can learn all the details and follow MySQL Engineering blogs on all of the key features in this MySQL DevZone article. On a related note, plan to join this week's live webinars to learn more about MySQL 5.6 Self-Healing Replication Clusters and Building the Next Generation of Web, Cloud, SaaS, Embedded Application and Services with MySQL 5.6.  Hurry!  Seating is limited!  As always, thanks for your continued support of MySQL!

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  • Duck checker in Python: does one exist?

    - by elliot42
    Python uses duck-typing, rather than static type checking. But many of the same concerns ultimately apply: does an object have the desired methods and attributes? Do those attributes have valid, in-range values? Whether you're writing constraints in code, or writing test cases, or validating user input, or just debugging, inevitably somewhere you'll need to verify that an object is still in a proper state--that it still "looks like a duck" and "quacks like a duck." In statically typed languages you can simply declare "int x", and anytime you create or mutate x, it will always be a valid int. It seems feasible to decorate a Python object to ensure that it is valid under certain constraints, and that every time that object is mutated it is still valid under those constraints. Ideally there would be a simple declarative syntax to express "hasattr length and length is non-negative" (not in those words. Not unlike Rails validators, but less human-language and more programming-language). You could think of this as ad-hoc interface/type system, or you could think of it as an ever-present object-level unit test. Does such a library exist to declare and validate constraint/duck-checking on Python-objects? Is this an unreasonable tool to want? :) (Thanks!) Contrived example: rectangle = {'length': 5, 'width': 10} # We live in a fictional universe where multiplication is super expensive. # Therefore any time we multiply, we need to cache the results. def area(rect): if 'area' in rect: return rect['area'] rect['area'] = rect['length'] * rect['width'] return rect['area'] print area(rectangle) rectangle['length'] = 15 print area(rectangle) # compare expected vs. actual output! # imagine the same thing with object attributes rather than dictionary keys.

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  • Extreme Optimization Numerical Libraries for .NET – Part 1 of n

    - by JoshReuben
    While many of my colleagues are fascinated in constructing the ultimate ViewModel or ServiceBus, I feel that this kind of plumbing code is re-invented far too many times – at some point in the near future, it will be out of the box standard infra. How many times have you been to a customer site and built a different variation of the same kind of code frameworks? How many times can you abstract Prism or reliable and discoverable WCF communication? As the bar is raised for whats bundled with the framework and more tasks become declarative, automated and configurable, Information Systems will expose a higher level of abstraction, forcing software engineers to focus on more advanced computer science and algorithmic tasks. I've spent the better half of the past decade building skills in .NET and expanding my mathematical horizons by working through the Schaums guides. In this series I am going to examine how these skillsets come together in the implementation provided by ExtremeOptimization. Download the trial version here: http://www.extremeoptimization.com/downloads.aspx Overview The library implements a set of algorithms for: linear algebra, complex numbers, numerical integration and differentiation, solving equations, optimization, random numbers, regression, ANOVA, statistical distributions, hypothesis tests. EONumLib combines three libraries in one - organized in a consistent namespace hierarchy. Mathematics Library - Extreme.Mathematics namespace Vector and Matrix Library - Extreme.Mathematics.LinearAlgebra namespace Statistics Library - Extreme.Statistics namespace System Requirements -.NET framework 4.0  Mathematics Library The classes are organized into the following namespace hierarchy: Extreme.Mathematics – common data types, exception types, and delegates. Extreme.Mathematics.Calculus - numerical integration and differentiation of functions. Extreme.Mathematics.Curves - points, lines and curves, including polynomials and Chebyshev approximations. curve fitting and interpolation. Extreme.Mathematics.Generic - generic arithmetic & linear algebra. Extreme.Mathematics.EquationSolvers - root finding algorithms. Extreme.Mathematics.LinearAlgebra - vectors , matrices , matrix decompositions, solvers for simultaneous linear equations and least squares. Extreme.Mathematics.Optimization – multi-d function optimization + linear programming. Extreme.Mathematics.SignalProcessing - one and two-dimensional discrete Fourier transforms. Extreme.Mathematics.SpecialFunctions

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  • Unit testing statically typed functional code

    - by back2dos
    I wanted to ask you people, in which cases it makes sense to unit test statically typed functional code, as written in haskell, scala, ocaml, nemerle, f# or haXe (the last is what I am really interested in, but I wanted to tap into the knowledge of the bigger communities). I ask this because from my understanding: One aspect of unit tests is to have the specs in runnable form. However when employing a declarative style, that directly maps the formalized specs to language semantics, is it even actually possible to express the specs in runnable form in a separate way, that adds value? The more obvious aspect of unit tests is to track down errors that cannot be revealed through static analysis. Given that type safe functional code is a good tool to code extremely close to what your static analyzer understands. However a simple mistake like using x instead of y (both being coordinates) in your code cannot be covered. However such a mistake could also arise while writing the test code, so I am not sure whether its worth the effort. Unit tests do introduce redundancy, which means that when requirements change, the code implementing them and the tests covering this code must both be changed. This overhead of course is about constant, so one could argue, that it doesn't really matter. In fact, in languages like Ruby it really doesn't compared to the benefits, but given how statically typed functional programming covers a lot of the ground unit tests are intended for, it feels like it's a constant overhead one can simply reduce without penalty. From this I'd deduce that unit tests are somewhat obsolete in this programming style. Of course such a claim can only lead to religious wars, so let me boil this down to a simple question: When you use such a programming style, to which extents do you use unit tests and why (what quality is it you hope to gain for your code)? Or the other way round: do you have criteria by which you can qualify a unit of statically typed functional code as covered by the static analyzer and hence needs no unit test coverage?

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  • How can i fix some broken packages PyQt packages?

    - by Jorge
    I'm trying to install PyQt but i've met some difficulties (i.e packages that won't be updated and stuff like that). I'm not very proficient with Ubuntu, so some help is needed. Here's the output i get from the terminal: sudo apt-get install python-qt4 Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: python-qt4 : Depends: libqt4-declarative (>= 4:4.7.0~rc1) but it is not going to be installed Depends: libqt4-designer (>= 4:4.7.0) but it is not going to be installed Depends: libqt4-help (>= 4:4.7.0) but it is not going to be installed Depends: libqt4-script (>= 4:4.7.0) but it is not going to be installed Depends: libqt4-scripttools (>= 4:4.7.0) but it is not going to be installed Depends: libqt4-svg (>= 4:4.7.0) but it is not going to be installed Depends: libqt4-test (>= 4:4.7.0) but it is not going to be installed Depends: libqt4-xmlpatterns (>= 4:4.7.0) but it is not going to be installed E: Broken packages

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