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  • JCP.next.3: time to get to work

    - by Patrick Curran
    As I've previously reported in this blog, we planned three JSRs to improve the JCP’s processes and to meet our members’ expectations for change. The first - JCP.next.1, or more formally JSR 348: Towards a new version of the Java Community Process - was completed in October 2011. This focused on a small number of simple but important changes to make our process more transparent and to enable broader participation. We're already seeing the benefits of these changes as new and existing JSRs adopt the new requirements. However, because we wanted to complete this JSR quickly we deliberately postponed a number of more complex items, including everything that would require modifying the JSPA (the legal agreement that members sign when they join the organization) to a follow-on JSR. The second JSR (JSR 355: JCP Executive Committee Merge) is in progress now and will complete later this year. This JSR is even simpler than the first, and is focused solely on merging the two Executive Committees into one for greater efficiency and to encourage synergies between the Java ME and Java SE platforms. Continuing the momentum to move Java and the JCP forward we have just filed the third JSR (JCP.next.3) as JSR 358: A major revision of the Java Community Process. This JSR will modify the JSPA as well as the Process Document, and will tackle a large number of complex issues, many of them postponed from JSR 348. For these reasons we expect to spend a considerable amount of time working on it - at least a year, and probably more. The current version of the JSPA was created back in 2002, although some minor changes were introduced in 2005. Since then the organization and the environment in which we operate have changed significantly, and it is now time to revise our processes to ensure that they meet our current needs. We have a long list of topics to be considered, including the role of independent implementations (those not derived from the Reference Implementation), licensing and open source, ensuring that our new transparency requirements are implemented correctly, compatibility policy and TCKs, the role of individual members, patent policy, and IP flow. The Expert Group for JSR 358, as with all process-change JSRs, consists of all members of the Executive Committees. Even though the JSR has just been filed we started discussions on the various topics several months ago (see the EC's meeting minutes for details) and our EC members - including the new members who joined within the last year or two - are actively engaged. Now it's your opportunity to get involved. As required by version 2.8 of our Process (introduced with JSR 348) we will conduct all our business in the open. We have a public java.net project where you can follow and participate in our work. All of our deliberations will be copied to a public Observer mailing list, we'll track our issues on a public Issue Tracker, and all our documents (meeting agendas and minutes, task lists, working drafts) will be published in our Document Archive. We're just getting started, but we do want your input. Please visit us on java.net where you can learn how to participate. Let's get to work...

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  • Things to do After installing Visual Studio Express 12.

    - by Anirudha
    Originally posted on: http://geekswithblogs.net/anirugu/archive/2013/06/25/things-to-do-after-install-visual-studio-express-12.aspx  1. Environment > Document > Check the option for auto-load changes. By checking this option You can modified the file outside the VWD and VWD don’t tell you for confirmation. 2. Environment > Tabs and Windows > Preview Tab > uncheck the solution Explorer option. This option don’t show you the file when you just click on them in solution explorer. 3. Project and solutions > Check the track active item in solution explorer This option help you to easily figure out which file you working on and where it is in solution explorer . 4. text editor > all settings > word wrap > check this feature to enable word wrap 5. Text-editor > Css > formatting > check the compact rule. this option make you file smaller in size and easily to read. 6. Text-editor > html > miscellaneous > uncheck the auto ID option. Actually When you copy paste the html code Visual studio change their ID if ID is already exist. this option disable that feature. This is useful to do when we write if{} else {} statement and this is not helpful on that case. 7. Package manager > General > browse > copy the location of cache folder and in package source add them as source. This way you can use package that you have use earlier when you are offline. Thanks for read my post

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  • Calculating a circle or sphere along a vector

    - by Sparky
    Updated this post and the one at Math SE (http://math.stackexchange.com/questions/127866/calculating-a-circle-or-sphere-along-a-vector), hope this makes more sense. I previously posted a question (about half an hour ago) involving computations along line segments, but the question and discussion were really off track and not what I was trying to get at. I am trying to work with an FPS engine I am attempting to build in Java. The problem I am encountering is with hitboxing. I am trying to calculate whether or not a "shot" is valid. I am working with several approaches and any insight would be helpful. I am not a native speaker of English nor skilled in Math so please bear with me. Player position is at P0 = (x0,y0,z0), Enemy is at P1 = (x1,y1,z1). I can of course compute the distance between them easily. The target needs a "hitbox" object, which is basically a square/rectangle/mesh either in front of, in, or behind them. Here are the solutions I am considering: I have ruled this out...doesn't seem practical. [Place a "hitbox" a small distance in front of the target. Then I would be able to find the distance between the player and the hitbox, and the hitbox and the target. It is my understanding that you can compute a circle with this information, and I could simply consider any shot within that circle a "hit". However this seems not to be an optimal solution, because it requires you to perform a lot of calculations and is not fully accurate.] Input, please! Place the hitbox "in" the player. This seems like the better solution. In this case what I need is a way to calculate a circle along the vector, at whatever position I wish (in this case, the distance between the two objects). Then I can pick some radius that encompasses the whole player, and count anything within this area a "hit". I am open to your suggestions. I'm trying to do this on paper and have no familiarity with game engines. If any software folk out there think I'm doing this the hard way, I'm open to help! Also - Anyone with JOGL/LWJGL experience, please chime in. Is this making sense?

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  • Insanity&ndash;Day 1

    - by D'Arcy Lussier
    Some people do those posts about “Here’s what I’m going to do to change my life”. I don’t really like those. I’m a “don’t tell me what you’re going to do, tell me what you’re doing/have done” type of guy. So while I could say how I’m going to change my life and be healthier and happier and thinner in 60 days, I’m just going to tell you how I’m progressing through the Insanity workout. Insanity is a workout-in-a-box. It’s a collection of DVDs that you work out to. Nothing new here, except that the program is intense. It’s core tenet of the program is intensity – you workout at an elevated heart rate for 3 minutes with a short break in between, as opposed to traditional interval training where you go hard for a short time and recover for a few minutes. The other aspect of it is commitment. There is a timetable to follow – you workout 6 days a week with one rest day. This isn’t meant to be a “pick it up whenever you feel like it” type of program. The videos themselves are kind of…I don’t want to say low quality, but not as polished as I expected. Maybe that’s what they were going for. By that I mean they show shots of cameramen and the production equipment during the workout. Otherwise, it’s the Insanity leader Shawn T. leading a group of pretty fit folks through this gruelling workout. And ultimately, those little production nit-picks are irrelevant compared to the actual workout. Holy crap. I haven’t done an aerobics class in like…ever. And watching the video before my actual workout, I thought “That doesn’t look too hard”. Believe me, it is. No weights, no machines, just various exercises done in circuits and with increasing speed. By the end of the workout, I was drenched. So that was day one. Some stats just so I can track it: I’m 286 lbs at my last weigh-in a week ago or so. Should be interesting to see what 60 days of this does! D

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  • Building Enterprise Smartphone App &ndash; Part 3: Key Concerns

    - by Tim Murphy
    This is part 3 in a series of posts based on a talk I gave recently at the Chicago Information Technology Architects Group.  Feel free to leave feedback. Keys Concerns Of Smartphones In The Enterprise These are the factors that you need to be aware of and address in order to build successful enterprise smartphone applications.  Most of them have nothing to do with the application itself as you will see here. Managing Devices Managing devices is a factor that is going to effect how much your company will have to spend outside of developing the applications.  How will you track the devices within the corporation?  How often will you have to replace phones and as a consequence have to upgrade your applications to support new phones?  The devices can represent a significant investment of capital.  If these questions are not addressed you will find a number of hidden costs throughout the life of your solution. Purchase or BYOD We have seen the trend of Bring Your Own Device (BYOD) lately within the enterprise.  How many meetings have you been in where someone is on their personal iPad, iPhone, Android phone or Windows Phone?  The issue is if you can afford to support everyone's choice in device? That is a lot to take on even if you only support the current release of each platform. Do you go with the most popular device or do you pick a platform that best matches your current ecosystem and distribute company owned devices?  There is no easy answer here, but you should be able give some dollar value to both hardware and development costs related to platform coverage. Asset Tracking/Insurance Smartphones are devices that are easier to lose or have stolen than laptops and desktops. Not only do you have your normal asset management concerns but also assignment of financial responsibility. You also will need to insure them against damage and theft and add legal documents that spell out the responsibilities of the employees that use these devices. Personal vs. Corporate Data What happens when you terminate an employee?  How do you recover the device?  What happens when they have put personal data on the device?  These are all situation that can cause possible loss of corporate intellectual property or legal repercussions of reclaiming a device with personal data on it.  Policies need to be put in place that protect the company from being exposed to type of loss.  This can mean significant legal and procedural cost that you need to consider. Coming Up In the last installment of this series I will cover application development considerations. del.icio.us Tags: Smartphones,Enterprise Smartphone Apps,Architecture

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  • Misused mke2fs and cannot boot into system

    - by surlogics
    I installed Ubuntu with WUBI in Windows 7 64bit, and I had installed Mandriva 2011 with a disk. I tried to learn Linux with Ubuntu and misused mke2fs; after I reboot my computer, Windows 7 and Ubuntu has crashed. As I have Mandriva, I boot into Mandriva and found # df -h /dev/sda7 12G 9.8G 1.5G 88% / /dev/sda2 15G 165M 14G 2% /media/logical /dev/sda6 119G 88G 32G 74% /media/2C9E85319E84F51C /dev/sda5 118G 59G 60G 50% /media/D25A6DDE5A6DBFB9 /dev/sda9 100G 188M 100G 1% /media/ae69134a-a65e-488f-ae7f-150d1b5e36a6 /dev/sda1 100M 122K 100M 1% /media/DELLUTILITY /dev/sda3 98G 81G 17G 83% /media/OS # fdisk /dev/sda Command (m for help): p Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xd24f801e Device Boot Start End Blocks Id System /dev/sda1 2048 206847 102400 6 FAT16 /dev/sda2 * 206848 30926847 15360000 7 HPFS/NTFS/exFAT /dev/sda3 30926848 235726847 102400000 7 HPFS/NTFS/exFAT /dev/sda4 235728864 976771071 370521104 f W95 Ext'd (LBA) /dev/sda5 235728896 481488895 122880000 7 HPFS/NTFS/exFAT /dev/sda6 727252992 976771071 124759040 7 HPFS/NTFS/exFAT /dev/sda7 481500243 506674034 12586896 83 Linux /dev/sda8 506674098 514851119 4088511 82 Linux swap / Solaris /dev/sda9 514851183 727246484 106197651 83 Linux Partition table entries are not in disk order I think I may used the following command mke2fs -j -L "logical"/dev/sda2 but I had forgotten what kind of partition it was before I transfered it into ext3. perhaps ntfs Data was not lost, and I can view my files as I could in Windows. In Mandriva, there are following disks: 117.2 GB hard disk, files in it is the same as my Windows D:, and Ubuntu was installed in it; 119.0 GB hard disk is my G:, with my personal files in it; 12.0 GB is the same with Mandriva / (with means root), 101.3 GB hard disk with nothing but lost+found; DELLUTILITY should be Dell computer utilities pre-installed in my computer; logical is the disk which I had spoiled, I can view nothing but lost+found; and OS is the C: in my Windows. After I boot, grub lets me choose Mandriva or Windows. I chose Windows and it tells me: FILE system type unknown, partition type 0x7 Error 13: Invalid or unsupported executable format I doubt something wrong with windows MBR or something # cat /boot/grub/menu.lst timeout 5 color black/cyan yellow/cyan gfxmenu (hd0,6)/boot/gfxmenu default 0 title linux kernel (hd0,6)/boot/vmlinuz BOOT_IMAGE=linux root=UUID=199581b7-ac7e-4c5f-9888-24c4f213cad8 nokmsboot logo.nologo quiet resume=UUID=34c546e4-9c42-4526-aa64-bbdc0e9d64fd splash=silent vga=788 initrd (hd0,6)/boot/initrd.img title linux-nonfb kernel (hd0,6)/boot/vmlinuz BOOT_IMAGE=linux-nonfb root=UUID=199581b7-ac7e-4c5f-9888-24c4f213cad8 nokmsboot resume=UUID=34c546e4-9c42-4526-aa64-bbdc0e9d64fd initrd (hd0,6)/boot/initrd.img title failsafe kernel (hd0,6)/boot/vmlinuz BOOT_IMAGE=failsafe root=UUID=199581b7-ac7e-4c5f-9888-24c4f213cad8 nokmsboot failsafe initrd (hd0,6)/boot/initrd.img title windows root (hd0,1) makeactive chainloader +1 I can boot into Linux, but not Ubuntu, it boot into Mandriva. I don't have a boot disk. Help me find a way to make it work again.

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  • Should we persist with an employee still writing bad code after many years?

    - by user94986
    I've been assigned the task of managing developers for a well-established company. They have a single developer who specialises in all their C++ coding (since forever), but the quality of the work is abysmal. Code reviews and testing have revealed many problems, one of the worst being memory leaks. The developer has never tested his code for leaks, and I discovered that the applications could leak many MBs with only a minute of use. User's were reporting huge slowdowns, and his take was, "it's nothing to do with me - if they quit and restart, it's all good again." I've given him tools to detect and trace the leaks, and sat down with him for many hours to demonstrate how the tools are used, where the problems occur, and what to do to fix them. We're 6 months down the track, and I assigned him to write a new module. I reviewed it before it was integrated into our larger code base, and was dismayed to discover the same bad coding as before. The part that I find incomprehensible is that some of the coding is worse than amateurish. For example, he wanted a class (Foo) that could populate an object of another class (Bar). He decided that Foo would hold a reference to Bar, e.g.: class Foo { public: Foo(Bar& bar) : m_bar(bar) {} private: Bar& m_bar; }; But (for other reasons) he also needed a default constructor for Foo and, rather than question his initial design, he wrote this gem: Foo::Foo() : m_bar(*(new Bar)) {} So every time the default constructor is called, a Bar is leaked. To make matters worse, Foo allocates memory from the heap for 2 other objects, but he didn't write a destructor or copy constructor. So every allocation of Foo actually leaks 3 different objects, and you can imagine what happened when a Foo was copied. And - it only gets better - he repeated the same pattern on three other classes, so it isn't a one-off slip. The whole concept is wrong on so many levels. I would feel more understanding if this came from a total novice. But this guy has been doing this for many years and has had very focussed training and advice over the past few months. I realise he has been working without mentoring or peer reviews most of that time, but I'm beginning to feel he can't change. So my question is, would you persist with someone who is writing such obviously bad code?

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  • Transfer all 1&1 web and e-mail services to own Synology NAS using No-IP for DDNS

    - by Neo
    I have a domain x-treem.net. The registrar is DomainDiscover and I have a hosting package with 1&1 which includes web and e-mail. I also have an additional package with 1&1 - Microsoft Exchange which centralises all my e-mails, tasks, contacts, notes, etc. and I connect to it with my PC (Outlook) and my Android phone. I have just purchased a Synology NAS (DS213) and I can see I can run a web server (Web Station), e-mail server (Mail Server) on it amongst other things. I am behind a dynamic IP. So, I'm looking to get some clarification on what I must do to consolidate my services and make use of my NAS to do as much as possible and save third-party hosting costs. My registrar specifies nameservers as NS45.1AND1.CO.UK and NS46.1AND1.CO.UK. The MX record is mx00.1and1.co.uk and mx01.1and1.co.uk. I'm aware of the concept of DDNS and I am looking at using No-IP.com for this. This is where I need clarification. If I registered with the No-IP paid service and pointed my registrar to No-IP's nameservers, and used the DDNS support on my NAS (which supports No-IP), then any requests to x-treem.net would go to my NAS. Is that correct? Therefore, web requests would hit the web server on my NAS, and e-mails would hit the mail server on my NAS? So, given all of the above, I can then drop 1&1 completely and use my NAS for everything. I use MySQL, phpMyAdmin, phpBB on 1&1 all of which the Synology NAS appears to support in its available packages. As for Microsoft Exchange, Synology offers Zafara which appears to be a drop-in replacement for Exchange. Am I on the right track here, or is there anything I am missing?

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  • IPtables AWS EC2 NAT/Reverse NAT - For Reverse Proxy style setup but with IPtables

    - by Mark
    I was thinking initially needing to do a reverse proxy or something so I could get some SSL/TLS traffic look like it is being terminated at a server and IP address in the AWS cloud, and then that traffic is forwarded onto our actual web servers that aren't in the cloud... I've not done much iptables pre and post routing before Dnat or Snat which I know are the things I need or a combination of the things I need in order achieve what i'm trying. Things to note:- Client/User - Must not be able to see backend IP address and only see the IP address of the cloud box https (TLS/SSL) - connection shouldn't be terminated at the cloud box, it should act like a router almost EC2 instance - Has only one network interface available to play with... this is thus an (internet <- internet) type of routing going on. EC2 instance IP address is already more or less behind a NAT that I have no control over, for example... Public ip address could be 46.1.1.1 but instance IP will be 10.1.1.1. Connections from client will go to 46.1.1.1 which will end up at the instance and on interface 10.1.1.1. The connection from the client then needs to be forwarded (DNAT) onto the backend web servers which are back out on the internet (SNAT). Possibly a part of the problem could be that the SNAT will need to be set to the external interface of the instance and I wonder if this makes it harder for IPtables to track the connection? So looking to basically, have it look as though connections are terminating at this server and its IP address. Whereas all that's really happening is the https request and connection is being forwarded straight onto another internet facing web server. How possible does that sound?

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  • How to reset Bash on Mac OSX, .bash_profile corrupted and bash no longer works

    - by user1463172
    I am on a MacBook Pro, running the latest version of Mountain Lion. I really need some help, I have managed some how to damage my .bash_profile (I think) so that every time I open up the terminal I get the error listed below. -bash: export: `/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/go/bin': not a valid identifier -bash: export: `/Users/rob/Applications/sbt/bin:': not a valid identifier env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory env: bash: No such file or directory -bash: tar: command not found -bash: grep: command not found -bash: cat: command not found -bash: find: command not found I am not sure what has happened, I have no sudo, cd or any normal commands. The only way I have been able to get to any of the main directories is through the go to folder command in finder and try to find the file to no avail. To top it all off I think I created a file that might be causing the issue, I wanted to edit the .bash_profile so I typed sudo nano ./bash_profile This open a new file in nano which I think was then saved. After this I opened the real .bash_profile to add in the path for node.js. If I can get to the .bash_profile I think I can get it back on track but I can't find it, should I reinstall bash? If so how would I do that on a mac, I tried using brew install bash to which I get -bash: brew: command not found I am really stuck if anyone can help I would be really appreciated. Many thanks

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  • Goldtouch USB Keyboard reverses keystrokes in fast typing -- expected?

    - by Justin Grant
    I am running into an odd keyboard problem: some key combinations end up reversed (e.g. "pl" ends up being emitted as "lp") when I'm typing quickly. The problematic ones are the key combos I hit with two adjacent fingers on my right hand-- in other words, the combos I can hit the fastest. No idea how fast is "fastest", but I guess around 50-150 msecs gap between them. I'm trying to track down whether this represents a failed keyboard, an inherent limitation of my Goldtouch USB keyboards, or a software problem on my Windows 7 Lenovo T500. I use a PS/2 version of the same Goldtouch keyboard at home with no problems. I've tried another USB keyboard with my laptop and can't repro the problem. I've also used this keyboard on other laptops without a problem. According to this SU thread, USB keyboards have higher latency than PS/2 keyboards-- up to 30 msecs. I find it hard to imagine that I can type key combos faster than 50 msecs, probably more like 100-150. Anyone encountered this problem with this or another keyboard? If so, how did you fix it? Any idea if there's a "keyboard log" or some way to diagnose the problem inside Windows?

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  • SSTP BPDU with bad TLV and macflap -- info please

    - by Adeodatus
    Hi All, I'm slowly locking down the network I've inherited and mac-flapping has been a problem in the past with customers doing all kinds of crazy things. Thats changing but I am now encountering this error: Dec 30 18:31:31 10.50.1.50 1565: 001567: Dec 30 18:31:30: %SW_MATM-4-MACFLAP_NOTIF: Host xxxx.xxxx.f681 in vlan 1 is flapping between port Gi0/5 and port Gi0/48 Dec 30 18:43:28 10.50.1.50 1566: 001568: Dec 30 18:43:26: %SPANTREE-2-RECV_BAD_TLV: Received SSTP BPDU with bad TLV on GigabitEthernet0/5 VLAN1. Dec 30 18:48:18 10.50.1.50 1567: 001569: .Dec 30 18:48:17: %SPANTREE-2-RECV_BAD_TLV: Received SSTP BPDU with bad TLV on GigabitEthernet0/5 VLAN1. unfortunately, that mac address is the mac of our core router, the only link to the internet, on port gi0/48 On the other end of gi0/5, I have about 50 bridged customer machines connected through a series of managed and unmanaged L2 switches. Yes, on VLAN1 too ... like I said, working on changing this slowly. In the mean time, it has me quite baffled on how to deal with this and track down the customer or switch that is the problem. What else could be going on with these messages ... the bad TLV is a new one for me. Any ideas? Thank you and Happy New Year to you all!!

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  • Is there any way to tweak / rotate mouse orientation? Any applications? Registry edits?

    - by calbar
    I've got a very frustrating issue with my new Logitech Marathon Mouse M705. It is absolutely perfect for what I need, with the exception that it tracks on an angle for some reason. What I mean is when you slide the cursor to the left, it trends upward - when you slide to the right, it trends down. Moving the cursor along a flat horizontal line is no longer a natural motion - you need to fight what I suspect is a mechanical error of some kind. Unfortunately, I've already exchanged this mouse once and tested both on different Windows 7 and Mac OS machines - the problem continues to occur. So is there a software solution for me? I'm incredibly surprised there is no simple way to adjust the orientation... How can every mouse manufacturer possibly adjust their hardware to track to everyone's tastes? What about those who need to flip orientation a full 90 or 180 degrees? I only need to adjust mine a few degrees, but I'm sure that need has arisen as well. Anyway, I'm running the latest SetPoint drivers (6.00) on Windows 7 and there are no orientation options available. I've checked out uberOptions (http://uberoptions.net/) and the M705 isn't supported yet (with the last version update over 6 months ago). MAF Mouse (http://www.maf-soft.de/mafmouse/) instructions are a very strange series of mouse clicks to activate? This app also seems a little overkill and costs $$ (which I'm willing to pay as a last resort). Is there no universal registry value for mouse orientation? How about for SetPoint drivers specifically? I've done a simple search in regedit without any luck. An XML file somewhere? Anything?? Thanks a million for any help - it's driving me nuts!

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  • RAID-1 and regular drive removal (using RAID-1 as a backup measure)

    - by Vi
    Is using mdadm's RAID-1 of 2 partitions (one on laptop's internal HDD, one on external HDD) a good idea. I want the system to work as RAID-1 if both drives are present, work as regular volume (degradad RAID-1) if external HDD is unplugged and quickly resync when I plug external HDD again. Questions: Is it a good idea? Will write-intent bitmap be enough for this task or I need something else? Should I consider doing it at filesystem level (3b. if yes, how?). Basic requirements are: Quick resync when I re-add the external drive (provided I hasn't changed that partition). More or less consistent data on the removed drive if I remove it not during write/resync operation. If I remove the drive during resync I expect the data to be somewhat inconsistent, but expect quick resync completion when I re-add it again. E.g. I want the the remaining drive to track what is changed (there can be a lot of changes) and that sync back only those parts that need it.

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  • Synchronizing audio and video using MP4Box / ffmpeg to concatenate files

    - by jdl2003
    I have two H.264 encoded MPEG-4 files that I need to concatenate. I have been using MP4Box for this task by first ensuring the files are encoded identically (even went so far as to compare output from h264_parse on their video tracks) and then concatenating with this command: MP4Box -cat file1.mp4 -cat file2.mp4 output_file.mp4 This works and the output file is playable, but on playback in Quicktime or VLC the second video's audio starts too soon, making the entire second part of the concatenated file out of sync. I have tried reencoding the output through ffmpeg with -vcodec copy and -acodec copy but the sync issue persists. I have also tried converting to MPEG-2 format first, concatenating with a simple cat file1.mpg file2.mpg > output.mpg and reencoding the result with ffmpeg. This was even worse. I know that I can pass commands to MP4Box to adjust the start time of the audio track, but I am trying to do this programmatically for any input video (in the same encoding of course). I am looking for possible solutions that would not require human intervention / manual adjustments. Or, at least, an understanding of what is happening to make the second part of the concatenated video go out of sync.

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  • Spreadsheet RDBMS

    - by John Nilsson
    I'm looking for a software (or set of software) that will let me combine spreadsheet and database workflows. Data entry in spreadsheet to enable simple entry from clipboard, analysis based on joins, unions and aggregates and pivot/data pilot summaries. So far I've only found either spreadsheets OR db applications but no good combination. OO base with calc for tables doesn't support aggregates f.ex. Google Spreadsheet + Visualizaion API doesn't support unions or joins, zoho db doesn't let me paste from clipboard. Any hints on software that could be used? Basically I'm trying to do some analysis of my personal bank transactions. Problem 1, ETL. The data has to be moved from my bank to a database. My current solution is to manually copy and paste the data into one spread sheet per account from my internet bank. Pains: Not very scriptable. Lots of scrolling to reach the point to paste. Have to apply sorting and formatting to the pasted data each time. Problem 2, analysis. I then want to aggregate the different accounts in one sweep to track transfers per type of transfer over all accounts. The actual aggregation is still unsolved because I can't find a UNION equivalent in the spreadsheets I've tried.

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  • Ubuntu 10.04 preseed unattended install results in faulty partition table

    - by joschi
    I'm currently trying to set up an unattended installation of Ubuntu 10.04 (Lucid Lynx) through preseeding. But whenever I try to create a custom partition scheme, the Debian installer (which Ubuntu is using) produces a faulty partition table. I've taken the partition scheme described in the example preseed file: d-i partman-auto/expert_recipe string \ boot-root :: \ 40 50 100 ext3 \ $primary{ } $bootable{ } \ method{ format } format{ } \ use_filesystem{ } filesystem{ ext3 } \ mountpoint{ /boot } \ . \ 500 10000 1000000000 ext3 \ method{ format } format{ } \ use_filesystem{ } filesystem{ ext3 } \ mountpoint{ / } \ . \ 64 512 300% linux-swap \ method{ swap } format{ } \ . Unfortunately it also produces an incorrect partition table on the disk. The installation process itself is working and the installed system eventually boots and is working, as far as I can tell. But fdisk and cfdisk are still complaining: # fdisk -l /dev/sda Disk /dev/sda: 17.2 GB, 17179869184 bytes 255 heads, 63 sectors/track, 2088 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000a1cdd Device Boot Start End Blocks Id System /dev/sda1 * 1 5 37888 83 Linux Partition 1 does not end on cylinder boundary. /dev/sda2 5 2089 16736257 5 Extended /dev/sda5 5 2013 16121856 83 Linux /dev/sda6 2013 2089 613376 82 Linux swap / Solaris cfdisk even refuses to start at all: # cfdisk /dev/sda FATAL ERROR: Bad primary partition 1: Partition ends in the final partial cylinder parted on the other hand does not complain about the cylinder boundary of /dev/sda1: # parted /dev/sda p Model: VMware Virtual disk (scsi) Disk /dev/sda: 17.2GB Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 1049kB 39.8MB 38.8MB primary ext4 boot 2 40.9MB 17.2GB 17.1GB extended 5 40.9MB 16.5GB 16.5GB logical ext4 6 16.6GB 17.2GB 628MB logical linux-swap(v1) Since the installed system is working, it shouldn't be a big problem but I'm afraid that this will mean trouble in the future.

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  • Why can't “knife data bag from file” find existing json file on chef server?

    - by ellisera
    Summary: I'm running into a problem with "knife data bag from file", where knife doesn't recognize the .json data bag file pulled down from a remote git repo. Background: I'm currently trying to transition from chef-solo use to chef server while using the cookbooks, data bags and other chef info from our remote git repo. I've currently pulled down a copy of our git repo and set the cookbook path and data bag path in knife.rb. I also loaded the cookbooks, made adjustments, etc. Details: When trying to load our .json data bags by doing "knife data bag add from file FOLDER FILE" it looks like it worked until I do "knife data bag list" and it comes up blank. So I decided to try adding the edit option at the end to see what's being loaded, if it is. This is the error I get: knife data bag from file local_settings test.json -e nano ERROR: Could not find or open file 'test.json' in current directory or in 'data_bags/local_settings/test.json' The data bag file does exist, in the proper location, in a tested, working json file. I've also sometimes gotten an error saying "could not open data bag "local_settings". I would obviously like to keep the data bag path within the appropriate git repo folder to be able to keep track of changes in a more centralized location (our git repo, as opposed to the chef server). Any solutions, advice or pointers in the right direction are appreciated.

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  • mercurial hgwebdir error with basicauth in apache2

    - by Dio
    Hello, I'm having kind of a strange error that I'm trying to track down. I was trying to setup mercurial on my home server this weekend. I seem to have it running up to the point where I'm trying to get repositories published correctly. I'm running Ubuntu 10.04 LTS Mercurial Distributed SCM (version 1.4.3) I followed the hgwebdir guide: http://mercurial.selenic.com/wiki/HgWebDirStepByStep and everything seems to work great, I can pull and push my local repositories. Then I tried to add basic auth changing ScriptAliasMatch ^/hg(.*) /var/hg/hgwebdir.cgi$1 <Directory "/var/hg"> Options ExecCGI FollowSymLinks AllowOverride None </Directory> to ScriptAliasMatch ^/hg(.*) /var/hg/hgwebdir.cgi$1 <Directory "/var/hg"> Options ExecCGI FollowSymLinks AllowOverride None AuthType Basic AuthName hgwebdir AuthUserFile /usr/local/etc/httpd/users Require valid-user </Directory> This works exactly as I'd expect it to when I navigate to the directory via my web browser, but when I hg push get a long section repeating of File "/usr/lib/python2.6/urllib2.py", line 369, in _call_chain result = func(*args) File "/usr/lib/python2.6/urllib2.py", line 855, in http_error_401 url, req, headers) File "/usr/lib/python2.6/urllib2.py", line 833, in http_error_auth_reqed return self.retry_http_basic_auth(host, req, realm) File "/usr/lib/python2.6/urllib2.py", line 843, in retry_http_basic_auth return self.parent.open(req, timeout=req.timeout) followed by File "/usr/lib/pymodules/python2.6/mercurial/keepalive.py", line 249, in do_open self._start_transaction(h, req) File "/usr/lib/pymodules/python2.6/mercurial/url.py", line 419, in _start_transaction return keepalive.HTTPHandler._start_transaction(self, h, req) File "/usr/lib/pymodules/python2.6/mercurial/keepalive.py", line 342, in _start_transaction h.endheaders() File "/usr/lib/python2.6/httplib.py", line 904, in endheaders self._send_output() File "/usr/lib/python2.6/httplib.py", line 776, in _send_output self.send(msg) File "/usr/lib/pymodules/python2.6/mercurial/url.py", line 247, in _sendfile connection.send(self, data) File "/usr/lib/pymodules/python2.6/mercurial/keepalive.py", line 519, in safesend self.connect() File "/usr/lib/pymodules/python2.6/mercurial/url.py", line 273, in connect keepalive.HTTPConnection.connect(self) RuntimeError: maximum recursion depth exceeded while calling a Python object I'm a bit at a loss on this one. I'm really not sure why adding the authorization seems to work fine via my web browser but throw these errors from hg. Any help would be greatly appreciated.

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  • Boot ISO image from GRUB4DOS on EFI machines

    - by Vladimir Tikhomirov
    I failed with loading ISO image (non-distro) from GRUB2 from USB stick, but found the way how I can boot the GRUB4DOS and then load the image from there. However, it doesn't work all the time and the questions is WHY it doesn't? Environment and loading process: We need to have EFI machine, USB stick, booting ISO, GRUB2 and GRUB4DOS. Last 3 on USB stick. Boot: USB - EFI loader - GRUB2 - GRUB4DOS - ISO image Configuration files To boot GRUB4DOS I use this from grub.cfg: menuentry "image.iso" { linux /syslinux/grub.exe --config-file="/menu.lst" } My menu.lst is here: timeout 20 default 0 title image.iso find --set-root --ignore-floppies --ignore-cd //image.iso map --heads=0 --sectors-per-track=0 //image.iso (hd32) map --hook chainloader (hd32) This works perfectly with Legacy machines. However, when I come to GRUB4DOS, I don't see the menu with image.iso, I see only GRUB command line. That means that my menu.lst didn't load. Why is it like this? Background and ideas I have an idea that GRUB4DOS doesn't recognize my USB stick as a device. I tried the command find and got (hd0,0), (hd0,1), (hd0,2), (rd). When I tried to set root to any of these devices I don't see fat file system, how it was with Legacy machines. The root device is (hd0,0), which has ntfs file system which should be partition with Windows. EFI machines support only GRUB2, so I can't boot GRUB4DOS straight away. Please, don't suggest anything like this, because my image doesn't have kernel. You can imagine that you load HDAT2 or Hiren's boot cd, for example. menuentry "Blancco Blancco5.iso" { set isofile="/image.iso" loopback loop $isofile set root=(loop) linux /isolinux/vmlinuz isofile=$isofile splash quiet initrd /isolinux/initrd }

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  • My computer loses network connectivity every 30 minutes

    - by Logan Garland
    My LAN connected PC loses network connectivity every 30 minutes. It has a static IP address and I've checked to make sure there aren't any IP conflicts on my network. If I'm streaming from that PC to my Xbox the stream will be interrupted and it normally takes about a minute to come back online. The same happens if I'm actually on the PC and just browsing the web. I'm looking for suggestions on how to track down this issue. I've tried checking the available logs on my router to see if there is an issue with DCHP but have been unsuccessful in finding any evidence. Any suggestions would be helpful. I can't think of any recent changes to my network, PC or software installations that may have caused this. I am a software developer and have intermediate networking knowledge. EDIT: During one outage I told windows to troubleshoot the network problem and it said that it could automatically fix the problem by changing DCHP info. It basically said my network adapter from static to automatically obtain. This did fix the issue quicker than just waiting it out, but the outage occurred again 30 minutes later even when leaving those settings.

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  • How can I fix my corrupted RAID1 ext4 partition on a Synology DS212 NAS?

    - by Neil
    I have two identical 3 TB disks that were in a RAID1 array, where one disk crashed. I replaced the failed disk, but not after the RAID partitions got messed up. I need to figure out how to restore the RAID array and get at my ext4 partition. Here are the properties of the surviving disk: # fdisk -l /dev/sda fdisk: device has more than 2^32 sectors, can't use all of them Disk /dev/sda: 2199.0 GB, 2199023255040 bytes 255 heads, 63 sectors/track, 267349 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 1 267350 2147483647+ ee EFI GPT # parted /dev/sda print Model: ATA ST3000DM001-9YN1 (scsi) Disk /dev/sda: 3001GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 1 131kB 2550MB 2550MB ext4 raid 2 2550MB 4698MB 2147MB linux-swap(v1) raid 5 4840MB 3001GB 2996GB raid I replaced the failed drive, and cloned the surviving drive to it so I have something to work with. I cloned the drives with dd if=/dev/sdb of=/dev/sda conv=noerror bs=64M, and now /dev/sda and /dev/sdb are identical. Here is the RAID information: # cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] md1 : active raid1 sdb2[1] 2097088 blocks [2/1] [_U] md0 : active raid1 sdb1[1] 2490176 blocks [2/1] [_U] unused devices: <none> It seems that md2 is missing. Here is what testdisk 6.14-WIP finds: Disk /dev/sda - 3000 GB / 2794 GiB - CHS 364801 255 63 Current partition structure: Partition Start End Size in sectors 1 P Linux Raid 256 4980735 4980480 [md0] 2 P Linux Raid 4980736 9175039 4194304 [md1] Invalid RAID superblock 5 P Linux Raid 9453280 5860519007 5851065728 5 P Linux Raid 9453280 5860519007 5851065728 # After a quick search Disk /dev/sda - 3000 GB / 2794 GiB - CHS 364801 255 63 Partition Start End Size in sectors D MS Data 256 4980607 4980352 [1.41.12-2197] D Linux Raid 256 4980735 4980480 [md0] D Linux Swap 4980736 9174895 4194160 D Linux Raid 4980736 9175039 4194304 [md1] >P MS Data 9481056 5858437983 5848956928 [1.41.12-2228] And listing the files on the last partition in the list shows all of my files intact. What should I do?

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  • Tools to (privately) annotate/markup a website for maintenance

    - by rob
    I've been tasked with updating a website. Rather than proofreading and updating each page (one at a time), I want to make a single pass over the entire website, marking graphics/images/videos that need to be rewritten, removed, or updated. I thought about taking screenshots, marking those up, and putting them in our bug-tracking database, but that seems like an extremely tedious solution. Some of the content is similar on various pages across the website, and the entire site itself is localized into several languages (so any changes made to the English version will have corresponding changes for other languages). I also want all of my markup to remain private (that is, if it's stored online somewhere, I should be the only person who can see my comments). I found an article that lists several website annotation services, but it's not clear whether they allow private annotations, or whether these tools are even appropriate for website maintenance (many of them look more geared toward social networking). I've started making a list of some necessary and desired features below, and may add more as necessary. Annotations/markup/comments remain private (only visible to me) Comment history/tagging (so I can reuse the same comment for shared footers, items requiring similar updates, etc.) Ability to print/export a list or report of all comments for the entire website Ability to produce a categorized list of changes (e.g., to produce a list of images that need updating, which I can send to the graphic designer) What processes and tools do you use to keep track of all the changes that need to be made to a website? What features are painfully absent from the tools you use?

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  • Finding all IP ranges blelonging to a specific ISP

    - by Jim Jim
    I'm having an issue with a certain individual who keeps scraping my site in an aggressive manner; wasting bandwidth and CPU resources. I've already implemented a system which tails my web server access logs, adds each new IP to a database, keeps track of the number of requests made from that IP, and then, if the same IP goes over a certain threshold of requests within a certain time period, it's blocked via iptables. It may sound elaborate, but as far as I know, there exists no pre-made solution designed to limit a certain IP to a certain amount of bandwidth/requests. This works fine for most crawlers, but an extremely persistent individual is getting a new IP from his/her ISP pool each time they're blocked. I would like to block the ISP entirely, but don't know how to go about it. Doing a whois on a few sample IPs, I can see that they all share the same "netname", "mnt-by", and "origin/AS". Is there a way I can query the ARIN/RIPE database for all subnets using the same mnt-by/AS/netname? If not, how else could I go about getting every IP belonging to this ISP? Thanks.

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  • mdadm superblock hiding/shadowing partition

    - by Kjell Andreassen
    Short version: Is it safe to do mdadm --zero-superblock /dev/sdd on a disk with a partition (dev/sdd1), filesystem and data? Will the partition be mountable and the data still there? Longer version: I used to have a raid6 array but decided to dismantle it. The disks from the array are now used as non-raid disks. The superblocks were cleared: sudo mdadm --zero-superblock /dev/sdd The disks were repartitioned with fdisk and filesystems created with mfks.ext4. All disks where mounted and everything worked fine. Today, a couple of weeks later, one of the disks is failing to be recognized when trying to mount it, or rather the single partition on it. sudo mount /dev/sdd1 /mnt/tmp mount: special device /dev/sdd1 does not exist fdisk claims there to be a partition on it: sudo fdisk -l /dev/sdd Disk /dev/sdd: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xb06f6341 Device Boot Start End Blocks Id System /dev/sdd1 1 243201 1953512001 83 Linux Of course mount is right, the device /dev/sdd1 is not there, I'm guessing udev did not create it because of the mdadm data still on it: sudo mdadm --examine /dev/sdd /dev/sdd: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : b164e513:c0584be1:3cc53326:48691084 Name : pringle:0 (local to host pringle) Creation Time : Sat Jun 16 21:37:14 2012 Raid Level : raid6 Raid Devices : 6 Avail Dev Size : 3907027120 (1863.02 GiB 2000.40 GB) Array Size : 15628107776 (7452.06 GiB 8001.59 GB) Used Dev Size : 3907026944 (1863.02 GiB 2000.40 GB) Data Offset : 2048 sectors Super Offset : 8 sectors State : clean Device UUID : 3ccaeb5b:843531e4:87bf1224:382c16e2 Update Time : Sun Aug 12 22:20:39 2012 Checksum : 4c329db0 - correct Events : 1238535 Layout : left-symmetric Chunk Size : 512K Device Role : Active device 3 Array State : AA.AAA ('A' == active, '.' == missing) My mdadm --zero-superblock apparently didn't work. Can I safely try it again without losing data? If not, are there any suggestion on what do to? Not starting mdadm at all on boot might be a (somewhat unsatisfactory) solution.

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