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• Java Embedded Releases

  - by Tori Wieldt

  Oracle today announced a new product in its Java Platform, Micro Edition (Java ME) product portfolio, Oracle Java ME Embedded 3.2, a complete client Java runtime Optimized for resource-constrained, connected, embedded systems.  Also, Oracle is releasing Oracle Java Wireless Client 3.2, Oracle Java ME Software Development Kit (SDK) 3.2. Oracle also announced Oracle Java Embedded Suite 7.0 for larger embedded devices, providing a middleware stack for embedded systems. Small is the new big! Introducing Oracle Java ME Embedded 3.2  Oracle Java ME Embedded 3.2 is designed and optimized to meet the unique requirements of small embedded, low power devices such as micro-controllers and other resource-constrained hardware without screens or user interfaces. These include: On-the-fly application downloads and updates Remote operation, often in challenging environments Ability to add new capabilities without impacting the existing functions Support for hardware with as little as 130 kB RAM and 350 kB ROM Oracle Java Wireless Client 3.2 Oracle Java Wireless Client 3.2 is built around an optimized Java ME implementation that delivers a feature-rich application environment for mass-market mobile devices. This new release: Leverages standard JSRs, Oracle optimizations/APIs and a flexible porting layer for device specific customizations, which are tuned to device/chipset requirements Supports advanced tooling functions, such as memory and network monitoring and on-device tooling Offers new support for dual SIM functionality, which is highly useful for mass-market devices supported by multiple carriers with multiple phone connections Oracle Java ME SDK 3.2 Oracle Java ME SDK 3.2 provides a complete development environment for both Oracle Java ME Embedded 3.2 and Oracle Java Wireless Client 3.2. Available for download from OTN, The latest version includes: Small embedded device support In-field and remote administration and debugging Java ME SDK plug-ins for Eclipse and the NetBeans Integrated Development Environment (IDE), enabling more application development environments for Java ME developers. A new device skin creator that developers can use to generate their custom device skins for testing their applications. Oracle Embedded Suite 7.0 The Oracle Java Embedded Suite is a new packaged solution from Oracle (including Java DB, GlassFish for Embedded Suite, Jersey Web Services Framework, and Oracle Java SE Embedded 7 platform), created to provide value added services for collecting, managing, and transmitting data to and from other embedded devices.The Oracle Java Embedded Suite is a complete device-to-data center solution subset for embedded systems.  See Java Me and Java Embedded in Action Java ME and Java Embedded technologies will be showcased for developers at JavaOne 2012 in over 60 conference sessions and BOFs, as well as in the JavaOne Exhibition Hall. For business decision makers, the new event Java Embedded @ JavaOne you learn more about Java Embedded technologies and solutions.

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• Creating smooth lighting transitions using tiles in HTML5/JavaScript game

  - by user12098

  I am trying to implement a lighting effect in an HTML5/JavaScript game using tile replacement. What I have now is kind of working, but the transitions do not look smooth/natural enough as the light source moves around. Here's where I am now: Right now I have a background map that has a light/shadow spectrum PNG tilesheet applied to it - going from darkest tile to completely transparent. By default the darkest tile is drawn across the entire level on launch, covering all other layers etc. I am using my predetermined tile sizes (40 x 40px) to calculate the position of each tile and store its x and y coordinates in an array. I am then spawning a transparent 40 x 40px "grid block" entity at each position in the array The engine I'm using (ImpactJS) then allows me to calculate the distance from my light source entity to every instance of this grid block entity. I can then replace the tile underneath each of those grid block tiles with a tile of the appropriate transparency. Currently I'm doing the calculation like this in each instance of the grid block entity that is spawned on the map: var dist = this.distanceTo( ig.game.player ); var percentage = 100 * dist / 960; if (percentage < 2) { // Spawns tile 64 of the shadow spectrum tilesheet at the specified position ig.game.backgroundMaps[2].setTile( this.pos.x, this.pos.y, 64 ); } else if (percentage < 4) { ig.game.backgroundMaps[2].setTile( this.pos.x, this.pos.y, 63 ); } else if (percentage < 6) { ig.game.backgroundMaps[2].setTile( this.pos.x, this.pos.y, 62 ); } // etc... (sorry about the weird spacing, I still haven't gotten the hang of pasting code in here properly) The problem is that like I said, this type of calculation does not make the light source look very natural. Tile switching looks too sharp whereas ideally they would fade in and out smoothly using the spectrum tilesheet (I copied the tilesheet from another game that manages to do this, so I know it's not a problem with the tile shades. I'm just not sure how the other game is doing it). I'm thinking that perhaps my method of using percentages to switch out tiles could be replaced with a better/more dynamic proximity forumla of some sort that would allow for smoother transitions? Might anyone have any ideas for what I can do to improve the visuals here, or a better way of calculating proximity with the information I'm collecting about each tile? (PS: I'm reposting this from Stack Overflow at someone's suggestion, sorry about the duplicate!)

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• Analysing SQLBits Feedback

  - by jamiet

  Earlier this week I received all the feedback that people offered on my session at SQLBits 7 in York – “SSIS Dataflow Performance Tuning” (the video is available online if you wish to see it). As you may have gathered from previous posts on this blog and my less-SQLy-focused Wordpress blog I am a big fan of collecting and tracking both personal and public data and session feedback lends itself very well to tracking because it is quantitative rather than qualitative; by that I mean attendees are invited to provide marks out of ten rather than (or, in the case of SQLBits, as well as) written comments. The SQLBits feedback is also useful because they use a consistent format – the same questions are asked each time – this means it is particularly easy to to track whether the scores that people give are trending up or down. I suspect that somewhere the SQLBits organisers have a big Analysis Services cube (ok, perhaps its an Excel pivot table) that allows them to analyse these scores per conference, speaker, track etc.… and there’s no reason that we as session speakers cannot do the same thing. To that end I have started to store my feedback in an Excel spreadsheet of my own which in the interests of transparency is available for public viewing (only a web browser required) on SkyDrive at http://cid-550f681dad532637.office.live.com/view.aspx/Public/Misc/Personal%20SQLBits%20Session%20Feedback.xlsx. I have used a pivot table to aggregate all that feedback and here is a screenshot: I am hereby making a public plea to the SQLBits organisers (on the off-chance that they are reading) to please continue to keep the feedback format consistent in the future and I encourage them to publish all of the feedback in an anonymised form. I would also encourage anyone doing conference speaking to track their conference feedback in the same way that I am doing so that you get an insight into whether or not you are improving over time. It is not difficult to setup and maintaining it as you do more sessions takes very little effort. Storing feedback data like this leads me to wider thoughts about well-known conventions and data format standardisation. Let’s imagine a utopia where there were a standard set of questions for capturing session feedback that were leveraged at every conference regardless of subject matter, location or culture; that would give rise to immense cross-conference and cross-discipline analysis – the data analyst in me goes giddy at the thought of it. It is scenarios like this that drive my interest both in data formats such as iCalendar, microformats and RDF, and in emerging movements such as the semantic web and linked data, all things which I have written about in the past. I don’t know whether we will ever reach the stage where every piece of data has structured, descriptive metadata associated with it but I live in hope. @Jamiet

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• JavaOne 2013: (Key) Notes of a conference – State of the Java platform and all the roadmaps by Amis

  - by JuergenKress

  Last week’s JavaOne conference provided insights in the roadmap of the Java platform as well as in the current state of things in the Java community. The close relationship between Oracle and IBM concerning Java, the (continuing) lack of such a relationship with Google, the support from Microsoft for Java applications on its Azure cloud and the vibrant developer community – with over 200 different Java User Groups in many countries of the world. There were no major surprises or stunning announcements. Java EE 7 (release in June) was celebrated, the progress of Java 8 SE explained as well as the progress on Java Embedded and ME. The availability of NetBeans 7.4 RC1 and JDK 8 Early Adopters release as well as the open sourcing of project Avatar probably were the only real news stories. The convergence of JavaFX and Java SE is almost complete; the upcoming alignment of Java SE Embedded and Java ME is the next big consolidation step that will lead to a unified platform where developers can use the same skills, development tools and APIs on EE, SE, SE Embedded and ME development. This means that anything that runs on ME will run on SE (Embedded) and EE – not necessarily the reverse because not all SE APIs are part of the compact profile or the ME environment. However, the trimming down of the SE libraries and the increased capabilities of devices mean that a pretty rich JVM runs on many devices – such as JavaFX 8 on the Raspberry PI. The major theme of the conference was Internet of Things. A world of things that are smart and connected, devices like sensors, cameras and equipment from cars, fridges and television sets to printers, security gates and kiosks that all run Java and are all capable of sending data over local network connections or directly over the internet. The number of devices that has these capabilities is rapidly growing. This means that the number of places where Java programs can help program the behavior of devices is growing too. It also means that the volume of data generated is expanding and that we have to find ways to harvest that data, possibly do a local pre-processing (filter, aggregate) and channel the data to back end systems. Terms typically used are edge devices (small, simple, publishing data), gateways (receiving data from many devices, collecting and consolidating, pre-processing, sending onwards to back end – typically using real time event processing) and enterprise services – receiving the data-turned-information from the gateways to further consolidate, distribute and act upon. A cheap device like the Raspberry PI is a perfect way to get started as a Java developer with what embedded (device) programming means and how interaction with physical input and output takes place. Roadmaps The over all progress on Java is visualized in this overview: Read the full article here. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: Amis,OOW,Oracle OpenWorld,JavaOne,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• Running perfmon continuously with periodic reports

  - by Sal

  I have a question very similar to this one, but I want to continuously run perfmon, during reboots and throughout the day. Further, I'd like to generate a perfmon report every 10 mins or so. The original question tells me how to run perfmon when the server is restarted, but I don't know how to make perfmon continuously run while throwing periodic files. I've tried setting it as a scheduled task that needs to be done every 10 mins, but this is too sloppy, and when the scheduled task kicks another instance, the current perfmon report writer crashes, and I get a garbage report. I've also tried writing a sloppy batch script that would fire off the task at scheduled intervals, but this is the same problem as the scheduled task. I'm sure I'm just missing something silly, but I don't see it. Ideas? (If it helps, I'm running Windows 7 locally, and I'm trying to set up the processes for boxes running Windows 2008.)

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• Running perfmon continuously with periodic files

  - by Sal

  I have a question very similar to this one, but I want to continuously run perfmon, during reboots and throughout the day. Further, I'd like to generate a perfmon report every 10 mins or so. The original question tells me how to run perfmon when the server is restarted, but I don't know how to make perfmon continuously run while throwing periodic files. I've tried setting it as a scheduled task that needs to be done every 10 mins, but this is too sloppy, and when the scheduled task kicks another instance, the current perfmon report writer crashes, and I get a garbage report. I've also tried writing a sloppy batch script that would fire off the task at scheduled intervals, but this is the same problem as the scheduled task. I'm sure I'm just missing something silly, but I don't see it. Ideas? (If it helps, I'm running Windows 7 locally, and I'm trying to set up the processes for boxes running Windows 2008.)

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• Static route in conflict with a default route

  - by Ossan Sokiv

  Hi guys, I have a default route configured. 192.168.1.0/24 dev eth1 proto kernel scope link src 192.168.1.1 I'd like to add a static route to pass traffic destined for 192.168.1.51 via a load balancer's redundant virtual interface at 192.168.1.2. ip route add 192.168.1.51 mask 255.255.255.255 via 192.168.1.2 When I try to add the static route I get this error. Error: either "to" is duplicate or "default" is garbage." It doesn't want to add the static route because it's in conflict with the default route. Is there a way around this? Regards Ossan

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• How to run MS C++ 6.0 on Windows 7

  - by hotei

  I have MS Windows C++ version 6.0 on XP. I'd like to move it to a Windows 7 platform but when I try to install it there I get some garbage about it not being compatible, proceed at your own risk etc. When I proceed, it (not surprisingly) doesn't work. Is there a way to convince these Microsoft tools to play nice with each other? I have Win7 home edition, but I would be willing to upgrade to Win7 Pro IF I knew it would work under the "XP emulation" mode. Failing both those options, what is the least expensive "upgrade" path for C++? I don't need a bunch of other junk, just the C++ compiler. The goal is to retire my XP system since currently the only reason I keep it is to compile C++ programs that eventually are run under Win7. Thanks, Hotei

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• fedora 11 server won't boot from SATA disk, won't boot from CD, BIOS configuration problems

  - by Tom

  Hi all, Yesterday our fc11 file/print server didn't boot, and had stopped on the BIOS page with a configuration problem. (with a distinct lack of foresight) I reset the BIOS settings to default without recording the message and booted the server. The server ran until it was to be booted this morning, and it was failing to mount the root partition from the SATA disk. It also failed to boot from a known good diagnostics CD. After a few more tries, it now fails part way through the Phoenix - AwardBIOS screen where it is listing the SATA/IDE devices, and it is showing garbage for the identity of one of the disks, which should actually be "none" It looks like the motherboard has gone kaput. The motherboard is an EVGA NF790i, are there any diagnostic tools that I can use to determine this? (as I would prefer to not send the motherboard back, only to discover that it is the RAM or the CPU) ps I can't get it to boot from the memTest disk, so I can't run that diagnostic. Thanks!

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• How do I know if my SSD Drive supports TRIM?

  - by Omar Shahine

  Windows 7 has support for the TRIM command which should help ensure that the performance of an SSD drive remains good through it's life. How can you tell if a given SSD drive supports TRIM? See here for a description of TRIM. Also the following from a Microsoft presentation: Microsoft implementation of “Trim” feature is supported in Windows 7 NTFS will send down delete notification to the device supporting “trim” File system operations: Format, Delete, Truncate, Compression OS internal processes: e.g., Snapshot, Volume Manager Three optimization opportunities for the device Enhancing device wear leveling by eliminating merge operation for all deleted data blocks Making early garbage collection possible for fast write Keeping device’s unused storage area as much as possible; more room for device wear leveling.

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• Make windows vista file explorer act normally

  - by user25866

  Is there some file I can remove or something I can do to globally ensure that windows visa/xp/etc doesn't do annoying things? Annoying things: 1) Hide the file extension 2) All these "meta" columns I could care less about in "details" view (rating, album, date taken, Assistant's name, Artist, 35mm focal length, City, Other City, etc...). All I want are Name, size, date created, date modified, and file extension. MAYBE file chmod settings. 3) That garbage in the left pane known as "favorite links." (Documents, desktop, photos, music, etc...) 4) Switching between detail view, large icon view, thumbnail view, list view, and tiles when I goto differnt folders, all I want is detail view, with the same columns every time. That's it. I shouldn't have to get third party software to make my file system browseable, but if I need to so be it... Why are all these settings buried away? It feels like I have to apply them onto each folder every time.

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• unique .htaccess question about mod_rewrite and RewriteCond

  - by Stephen

  I have a few rewrite rules like these RewriteRule ^dir/(.*)-something.html otherdir/file1.php?var1=val&var2=$1 [L,NC] RewriteRule ^dir/ otherdir/file2.php?var1=val [L,NC] dir/ is not a real directory. Everything above works as expected. However, the user is able to type anything like mysite.com/dir/asdfasdfasdfsdf And they are still redirected to file2.php. If the user types in just garbage I'd like to serve a 404 instead. I'm guessing I need a RewiteCond that will test for blank space after the slash and only then serve file2.php, but I'm unsure how to write it.

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• Touch Screen Ubuntu 10.04LTS

  - by WalterJ89

  I'm trying to get a touch screen working with Ubuntu 10.04LTS (64bit) -it is a serial touchsceen, connected at /dev/ttyS0 ,i know that works because I get garbage in the terminal when I enable it. -before the screen used a 3m driver (I believe) in XP. My knowledge of Linux is passive so I generally pick up something when I need it. To get this working I came accross a lot of tutorials (a lot outdated a bit), I'm still at a loss to get this work. I'm not sure where to put linux drivers (/usr/ or /dev/?) most tutorials kind of skip over that part. I have tried editing the /etc/X11/xorg.conf unsuccessfully. I'm not sure what the syntax for that is supposed to be. Thank You

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• Simple NNTP clent for Ubuntu

  - by Alexander Gladysh

  I need to download a particular NNTP group. I do not need to setup any crons, put group contents in /opt and other stuff. Just run <fetch-nntp> <server> <group-name> <output-dir> and be done with it without putting a lot of garbage in the system. If that <fetch-nntp> would not fetch the same messages on the second run — fine. But I can live without it. All NNTP clients that I've looked at are trying to be a NNTP server as well. Is there something simpler that is suitable for my needs?

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• Problem with gmailfs

  - by user35529

  Hello(????????????) I've got a little with gmailfs. I'm trying to mount gmail accout as a local file system on my Debian Lenny using the following command. mount -t gmailfs none /mnt/gmail -o [email protected],password=mypassword,fsname=SixSixSix But it gives my garbage like this Ignored option :rw Traceback (most recent call last): File "/sbin/mount.gmailfs", line 166, in <module> main(mountpoint, namedOptions, useEncfs) File "/sbin/mount.gmailfs", line 92, in main gmailfs.main(mountpoint, namedOptions) File "/usr/lib/python2.5/site-packages/gmailfs.py", line 1175, in main server = Gmailfs(namedOptions,mountpoint,version="gmailfs 0.8.0",usage='',dash_s_do='setsingle') File "/usr/lib/python2.5/site-packages/gmailfs.py", line 611, in __init__ self.ga.login() File "/usr/lib/python2.5/site-packages/libgmail.py", line 316, in login raise GmailLoginFailure("Login failed. (Wrong username/password?)") libgmail.GmailLoginFailure: 'Login failed. (Wrong username/password?)' Username and Password are totally correct.

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• Tomcat memory usage grows until crash with no GC run

  - by Phil

  I'm administrating a server running Tomcat that is getting a lot of traffic lately. If I monitor memory usage in Task Manager I can see the memory usage growing and eventually tomcat crashes around the 1GB mark. Here's the memory relevent bits I've set in Tomcat Properties (this is a Windows Server): Intial memory pool: 1024 MB Maximum memory pool: 1024 MB -XX:MaxPermSize=256M The weird thing is since these problems arose I've deployed Lambda Probe to the Tomcat instance and the memory usage values I see there are much lower, for example Task Manager might show 467MB used while the "Total" used in Probe is 212 MB. Also, the Maximum Total listed in Probe is 1.29GB, when I would have expected 1GB, the maximum memory set above. If I force the garbage collector to run using Probe, I can keep Tomcat from crashing for a while (indefinitely, AFAIK). So why doesn't the GC run automatically and stop Tomcat from crashing? Thanks.

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• Vim-like keyboard input in all text fields in all programs.

  - by vgm64

  So, I'm addicted to vim and often add lots of garbage to regular text fields when I try to use vim commands and am not in vim. I thought to myself, why can't vim be EVERYWHERE?! Then it struck me. Why not? Has anyone written a program that could redirect input/current text fields into a vim buffer so that one could use vim-style editing in things other than terminals and gVim? Redirect keyboard input? Alter a key-logger? Any thougts as to how it could be done?$wdw thoughtsA I did it again. I need serious help. Ideas, anyone?

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• What can I do with .chk files in FOUND.000 folders?

  - by Svish

  Just discovered I have gotten a FOUND.000 folder on my usb drive. I guess from running chkdsk once. It has three files in it: FILE0000.CHK FILE0001.CHK FILE0002.CHK What exactly can I do with these files? What are my options? Are they lost files? Are they garbage? Can I use them for anything at all? Or will I just have to delete them?

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• Simple NNTP client for Ubuntu

  - by Alexander Gladysh

  I need to download a particular NNTP group. I do not need to setup any crons, put group contents in /opt and other stuff. Just run <fetch-nntp> <server> <group-name> <output-dir> and be done with it without putting a lot of garbage in the system. If that <fetch-nntp> would not fetch the same messages on the second run — fine. But I can live without it. All NNTP clients that I've looked at are trying to be a NNTP server as well. Is there something simpler that is suitable for my needs?

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• My site was recently attacked. What do I do?

  - by ChrisH

  This is a first for me. One of the sites I run was recently attacked. Not at all an intelligent attack - pure brute force - hit every page and every non-page with every extension possible. Posted with garbage data to every form and tried to post to some random urls too. All tod, 16000 requests in one hour. What should I do to prevent/alert this kind of behavior? Is there a way to limit the request/hr for a given ip/client? Is there a place I should be reporting the user to? They appear to be from China and did leave what seems like a valid e-mail.

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• Avoiding syslog-ng noise from cron jobs [closed]

  - by Eyal Rozenberg

  Possible Duplicate: How can I prevent cron from filling up my syslog? On my small Debian squeeze web server, I have syslog-ng installed. Generally, my logs are nice and quiet, with nice -- MARK -- lines. My syslog, however, is littered with this Sep 23 23:09:01 bookchin /USR/SBIN/CRON[24885]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete > /dev/null) Sep 23 23:09:01 bookchin /USR/SBIN/CRON[24886]: (root) CMD ( [ -d /var/lib/php4 ] && find /var/lib/php4/ -type f -cmin +$(/usr/lib/php4/maxlifetime) -print0 | xargs -r -0 rm > /dev/null) Sep 23 23:17:01 bookchin /USR/SBIN/CRON[24910]: (root) CMD ( cd / && run-parts /etc/cron.hourly) kind of garbage. What's the clean way to avoid it?

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• Acrobat 8 on Windows 7 64-bit

  - by user66822

  Here's the situation I'm in. I have Acrobat 8 on Wows 7 (64-bit) and anytime I create PDFs any numbers on the page I'm PDFing come through as garbage. Everything else on the page comes out fine, just the numbers are messed up. They appear as random symbols. I've uninstalled, reinstalled. Applied all updates, not applied updates, nothing seems to help. Mayube I'm a bad searcher, can't put in the right search terms, but I can't find anything that seems to point me in a direction on this. ANy ideas?

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• What I do with .chk files in FOUND.000 folders?

  - by Svish

  Just discovered I have gotten a FOUND.000 folder on my usb drive. I guess from running chkdsk once. It has three files in it: FILE0000.CHK FILE0001.CHK FILE0002.CHK What exactly can I do with these files? What are my options? Are they lost files? Are they garbage? Can I use them for anything at all? Or will I just have to delete them?

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• Confirm that two filesystems are identical, ignoring special files

  - by endolith

  /media/A and /media/B should be identical, but I want to confirm before deleting one. Duplicate file finders don't work, because they'll find two copies of the same file within B, for instance. I only want to confirm that every file in one is identical to the other. diff -qr /media/A/ /media/B/ seems to work, but the output is cluttered with garbage like diff: /media/A//etc/alternatives/ControlPanel: No such file or directory and File /media/A//dev/tty8 is a character special file while file /media/B//dev/tty8 is a character special file I can suppress the former with 2> /dev/null, but I don't know about the latter. rsync -avn /media/A/ /media/B/ also produces a bunch of clutter, like "skipping non-regular file". How can I compare the two trees and just make sure that all the real files exist in both and are identical?

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• Staying on a registered-only IRC channel

  - by rwallace

  Freenode, like other IRC servers, has the property that one's connection will drop at the slightest hiccup. Fortunately mIRC knows to automatically reconnect when this happens. The problem lies with some channels such as #ai, which cannot be joined unless one's nickname is registered. mIRC doesn't know how to send the password to NickServ, and even if it did, at the time it reconnects, the original connection is still present on the server as a ghost; it doesn't know to wait a few minutes for the original connection to be garbage collected; thus it is not able to stay on such channels. Is there a way to solve this problem either with mIRC or some other IRC client that runs on Windows?

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