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• Upcoming Webinar: Practical Performance Profiling presented by Jean-Philippe Gouigoux

  - by Michaela Murray

  Hot on the heels of releasing his new book, Practical Performance Profiling, I'm delighted that Jean-Philippe Gouigoux will be joining us on April 3rd to present a free webinar on optimizing .NET code performance. He gave me a sneak preview of his talk last week and there's a lot of really useful advice in there. He'll be discussing why he thinks 20% of performance problems account for 80% of lost time, before looking at some real examples of both server-side and client-side profiling, and covering a variety of best practices you can use to improve the performance of your own code. The webinar will be followed by a Q&A session where he'll be joined by Red Gate technical support engineer Chris Allen to answer any of your questions. Jean-Philippe has 10 years' experience in .NET, most recently as system architect at MGDIS, and was recently made a Microsoft MVP for his contributions to the .NET community. I'm really excited that he's found a gap between his day job and university lecturing to share his knowledge, and I hope you'll be able to join us on April 3rd - it's free but you do need to register in advance at https://www3.gotomeeting.com/register/829014934. I'll see you there!

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• SQL Monitor Alerts in Outlook Without Configuring Email Settings

  - by Fatherjack

  SQL Monitor is a Red Gate tool that I have a long history with and I have worked closely with the development team from a time before it was called SQL Monitor. It is with that history in mind I am a little disappointed in myself that I have only just found out about a pretty cool feature. Out of the box SQL Monitor keeps itself to itself, it busily goes about watching over your servers, noting down when things look suspicious, change drastically or are just out and out wrong. You have to go into the settings and provide email details (SMTP server, account details etc.) before it starts getting at all intrusive with warning and alerts on the condition of your servers. However, it was after installing the most recent version that I was going through the application screen by screen looking for new and interesting changes that I noticed something that had avoided my attention. On the Alerts tab there is an option in the left hand menu. I don’t know how long ago it appeared or why I have never explored it previously but it appears that you can see your Alerts in the format of an RSS feed. Now when you click that link you are taken to a page that is the raw RSS XML – not too interesting but clearly you can use this in an RSS aggregator. Such as Outlook. Note the URL in the newly opened page take it with you into Outlook. For me it is in the form of http://SQLMonitorServerName/Alerts/Inbox/Feed. Again, this is something that I have only recently noticed – Outlook can aggregate RSS feeds. Down below the Inbox, Drafts folders etc, one up from the bottom is RSS Feeds. If you right click that and choose to Add a feed then you can supply the URL for SQL Monitor Alerts: And there you have it, your SQL Monitor Alerts available in Outlook where you can keep an eye on the number of unread items and pick them off at your convenience.

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• Problem with SNMP and MIBs

  - by jap1968

  I am installing Zabbix to monitor via snmp some devices from a machine running Ubuntu 12.04 server. There is a problem with MIB definitions, since snmp commands do no properly translate some of the MIBs. I have already installed the "snmp-mibs-downloader" package, so the files containing the MIB descriptions are properly installed. The MIB are only translated to obtain the numeric key (the MIB files are accessible to the snmp commands), but the results returned by the snmpget command do not properly translate the key. The zabbix templates that I am using do expect the key translated (SNMPv2-MIB::sysUpTime.0) , so, the current results are not recognised and these are ignored. Test case: $ snmptranslate -On SNMPv2-MIB::sysUpTime.0 .1.3.6.1.2.1.1.3.0 $ snmpget -v 2c -c public 192.168.1.1 1.3.6.1.2.1.1.3.0 iso.3.6.1.2.1.1.3.0 = Timeticks: (2911822510) 337 days, 0:23:45.10 On another machine (running a very old Red Hat based distribution), the snmp commands perform both, the directe and reverse traslation, as expected: # snmptranslate -On SNMPv2-MIB::sysUpTime.0 .1.3.6.1.2.1.1.3.0 # snmpget -v 2c -c public 192.168.1.1 1.3.6.1.2.1.1.3.0 SNMPv2-MIB::sysUpTime.0 = Timeticks: (2911819485) 337 days, 0:23:14.85 What is the problem on my Ubuntu box? Is there something I am missing?

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• ArchBeat Link-o-Rama for 2012-03-27

  - by Bob Rhubart

  Deploying OAM "correctly" | Chris Johnson fusionsecurity.blogspot.com Chris Johnson's concise blog post will help you to deploy Oracle Access Manager "for real." Oracle BPM: Suspend and alter process | Martijn van der Kamp www.nl.capgemini.com "There’s one tricky part with intervening in the run time behavior of a process, and that is compliance," says Martijn van der Kamp. "Make sure your solution covers the compliance regulations by the regulatory department, including the option of intervening in the process." Red Samurai Tool Announcement - MDS Cleaner V2.0 | Andrejus Baranovskis andrejusb.blogspot.com Oracle ACE Director Andrejus Baranovskis shares news about an upcoming free product for MDS administrators. Oracle bulk insert or select from Java with Eclipselink | Edwin Biemond biemond.blogspot.com Oracle ACE Edwin Biemond shows you how to retrieve all the departments from the HR demo schema, add a new department, and do a multi insert. WebLogic Server Weekly for March 26th, 2012 | Steve Button blogs.oracle.com Steve Button share information on: WLS 1211 Update, Java 7 Certification, Galleria, WebLogic for DBAs, REST and Enterprise Architecture, Singleton Services. Northeast Ohio Oracle Users Group 2 Day Seminar - May 14-15 - Cleveland, OH www.neooug.org May 14-15 - Cleveland, OH.More than 20 sessions over 4 tracks, featuring 18 speakers, including Oracle ACE Director Cary Millsap, Oracle ACE Director Rich Niemiec, and Oracle ACE Stewart Brand. Register before April 15 and save. Thought for the Day "With good program architecture debugging is a breeze, because bugs will be where they should be." — David May

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• Turning on the wireless card freezes Ubuntu 12.04

  - by Ryan Schram

  I've been using Ubuntu 12.04 for close to a year. Occasionally after booting into Gnome 3, the desktop is unresponsive to cursor clicks. The mouse cursor moves but can't open menus. Also the network icon displays a red error badge instead of the usual gray x indicating that it is off. The only way I have found to solve this is to switch to a terminal shell (Ctrl-Alt-F5), login and kill gnome-session. This is an intermittent and occasional problem. Recently I moved house and set up this computer in my new apartment. Now I have for the first time a new and more difficult problem. Switching on the wireless card (wlan0) to connect to the wifi router causes the desktop to freeze. Switching to a terminal via Ctrl-Alt-F5 doesn't work. The only solution is a hard reboot from the power switch. How can I diagnose the second, more recent problem? Is there a solution? Cheers, Ryan

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• Project Manager that wants to lock in time estimate with a signed contract

  - by sunpech

  At a previous employment, a project manager (PM) wasn't satisfied with the delivery time of the code on a project I was on. I was told by my project lead that that the PM was considering having me sign a contract to lock-in my time estimates I gave for tasks and delivery dates. The situation on the project was that we were working with new technologies, codebase, coding standards, and very prone-to-change requirements. I was learning new things and applying them the best I could on requirements that kept on changing. The requirements throughout the iterations grew by 2-3 times, with my estimate-to-complete growing by roughly 5-8 times. The only things that didn't change were the estimates and delivery dates. Yes, I did end up missing most deadlines. And I was working on some very new technologies that no one else on the entire development team could really help out on because they wouldn't be familiar with it. At least not easily. It seemed to me then, that the PM wanted his numbers to add up-- and thus wanted me to sign a contract to "ensure" that I would always deliver working code on time. I suppose with a signed contract the PM could use it against me if I couldn't deliver on time. I believe what happened next was that other project managers and/or project leads defended me, and didn't let this happen. My question is, should this raise a red flag about the manager? Is it common practice for a manager to lock-in time estimates of a software developer with a signed contract? Or in this case, try to. Please note, I was a full time employee, not an independent consultant. Update: I want to add that I did give new estimates weekly, but it seems the original estimates and delivery dates were what the PM was fixated on.

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• Ubuntu: The Movie

  - by CYREX

  Since Ubuntu is the most popular distribution and has made a lot of changes in many places around the globe and in different industries up to the point where even people that do not know what Linux is, they know what Ubuntu is (go figure? ) there might be a movie coming someday (like the social network for Facebook or Revolution OS for Linux/Red Hat) i wanted to know how it all came to be from the actual players in the show. UBUNTU: The Movie Since i have seen several of the primary characters of the movie here, this might be a good place to start on how it all came to be. Not in the traditional wikipedia way or the ubuntu help section, but in the what the actual developers have in mind on how it all went down to the point of having a huge amount of users, an incredible level sophistication in the forum, help sections, installers, etc.. This is just to have the KNOW HOW before the actual movie makes it out some day in the future. As a fan of Ubuntu this is a MOST KNOW! ;) Hope i made some people happy and some other shy hehe.

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• CSS and HTML incoherences when declaring multiple classes

  - by Cesco

  I'm learning CSS "seriously" for the first time, but I found the way you deal with multiple CSS classes in CSS and HTML quite incoherent. For example I learned that if I want to declare multiple CSS classes with a common style applied to them, I have to write: .style1, .style2, .style3 { color: red; } Then, if I have to declare an HTML tag that has multiple classes applied to it, I have to write: <div class="style1 style2 style3"></div> And I'm asking why? From my personal point of view it would be more coherent if both could be declared by using a comma to separate each class, or if both could be declared using a space; after all IMHO we're still talking about multiple classes, in both CSS and HTML. I think that it would make more sense if I could write this to declare a div with multiple classes applied: <div class="style1, style2, style3"></div> Am I'm missing something important? Could you explain me if there's a valid reason behind these two different syntaxes?

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• release management system - architectural question

  - by Sonic Soul

  Every place i've worked created their own release process, and all of them worked pretty well, however it took pretty good effort (and often a dedicated team) to manage releases. I am currently at a new place, and about to design such a system, however this time the team is very lean and we won't have dedicated resources to releasing. It will be up to development manager until the system is proofed enough for other developers to use. we're using Subversion as code repository, Team City as the build server, Jira issue tracker, Oracle db. I was thinking about writing a basic workflow app, that will let developers create a new manifest which will specify the following items. release details (who, jira issues etc) workflow step (dev, test, uat, prod approved, prod released) source files that last item is where it can get hairy. especially with database scripts. Figured I'd ask if there is a good pattern, or off the shelf product that could help with the database part, or perhaps the whole process. I briefly tested Red Gate Oracle deployment tool, but it didn't work out as well as I had hoped (from 1 day of testing at least) Questions: I think I could get around releasing of our code with something like Octopus Deploy straight from Team City. I am not clear however, how I could create a simple database deployment part, that will track which version of which script (from subversion) has been deployed where. Is there already some utility I could utilize for navigating subversion to choose which scripts should be released, instead of writing one from scratch. I'd just need it to produce some manifest of paths + versions.

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• AABB Sweeping, algorithm to solve "stacking box" problem

  - by Ivo Wetzel

  I'm currently working on a simple AABB collision system and after some fiddling the sweeping of a single box vs. another and the calculation of the response velocity needed to push them apart works flawlessly. Now on to the new problem, imagine I'm having a stack of boxes which are falling towards a ground box which isn't moving: Each of these boxes has a vertical velocity for the "gravity" value, let's say this velocity is 5. Now, the result is that they all fall into each other: The reason is obvious, since all the boxes have a downward velocity of 5, this results in no collisions when calculating the relative velocity between the boxes during sweeping. Note: The red ground box here is static (always 0 velocity, can utilize spatial partitioning ), and all dynamic static collisions are resolved first, thus the fact that the boxes stop correctly at this ground box. So, this seems to be simply an issue with the order the boxes are sweept against each other. I imagine that sorting the boxes based on their x and y velocities and then sweeping these groups correctly against each other may resolve this issues. So, I'm looking for algorithms / examples on how to implement such a system. The code can be found here: https://github.com/BonsaiDen/aabb The two files which are of interest are [box/Dynamic.lua][3] and [box/Manager.lua][4]. The project is using Love2D in case you want to run it.

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• Reflector – The King is Dead. Long Live the King.

  - by Sean Feldman

  There was enough of responses for Red Gate announcement about free version of .NET Reflector. Neither there’s a need to explain how useful the tool is for almost any .NET developer. There were a lot of talks about the price – $35 is it something to make noise about or just accept it and move on. Honestly, I couldn’t make my mind and was sitting on a fence. Today I learned some really exciting news – two (not one), two different initiatives to replace Reflector. A completely free ILSpy from SharpDevelop Commercial later to be stand-alone free decompiler tool from JetBrains These are great news. First – ILSpy is already doing what I need – you can download it and start using. Having experience with a few projects from SharpDevelop I believe it will be a great tool to have. One of immediate things that I found is reflecting obfuscated assemblies. Reflector blows up and closes, where ILSpy takes it gracefully and just shows an exception with no additional popup windows. JetBrains – company I highly respect. This is the case where I would continue paying money for their product and get more productivity. I am heavily relying on R# to do my job, and having a reflecting option would only add oil into fire of convincing others to use the tool. Though what I was excited was the statement JetBrains boldly put out: …it’s going to be released this year, and it’s going to be free of charge. And by saying “free”, we actually mean “free”.

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• How to list all my packages from command line which can show package name, license, source url, etc?

  - by YumYumYum

  How to get all the installed package list with there license, source url? Such as following only shows name of the package only. $ dpkg --get-selections acpi-support install acpid install adduser install adium-theme-ubuntu install aisleriot install alacarte install For example in Fedora/CentOS (RED HAT LINUX BRANCH), you can see that: $ yum info busybox Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit Available Packages Name : busybox Arch : i686 Epoch : 1 Version : 1.18.2 Release : 5.fc15 Size : 615 k Repo : updates Summary : Statically linked binary providing simplified versions of system commands URL : http://www.busybox.net License : GPLv2 Description : Busybox is a single binary which includes versions of a large number : of system commands, including a shell. This package can be very : useful for recovering from certain types of system failures, : particularly those involving broken shared libraries. Follow up: /var/lib/apt/lists$ ls extras.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages extras.ubuntu.com_ubuntu_dists_natty_main_source_Sources extras.ubuntu.com_ubuntu_dists_natty_Release extras.ubuntu.com_ubuntu_dists_natty_Release.gpg lock partial security.ubuntu.com_ubuntu_dists_natty-security_main_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_main_source_Sources security.ubuntu.com_ubuntu_dists_natty-security_multiverse_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_multiverse_source_Sources security.ubuntu.com_ubuntu_dists_natty-security_Release security.ubuntu.com_ubuntu_dists_natty-security_Release.gpg security.ubuntu.com_ubuntu_dists_natty-security_restricted_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_restricted_source_Sources security.ubuntu.com_ubuntu_dists_natty-security_universe_binary-amd64_Packages security.ubuntu.com_ubuntu_dists_natty-security_universe_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_main_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_multiverse_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_multiverse_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_Release us.archive.ubuntu.com_ubuntu_dists_natty_Release.gpg us.archive.ubuntu.com_ubuntu_dists_natty_restricted_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_restricted_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty_universe_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty_universe_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_main_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_main_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_multiverse_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_multiverse_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_Release us.archive.ubuntu.com_ubuntu_dists_natty-updates_Release.gpg us.archive.ubuntu.com_ubuntu_dists_natty-updates_restricted_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_restricted_source_Sources us.archive.ubuntu.com_ubuntu_dists_natty-updates_universe_binary-amd64_Packages us.archive.ubuntu.com_ubuntu_dists_natty-updates_universe_source_Sources

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• Inevitable Corporate Bureaucracy

  - by Ahsan Alam

  Top executives of most smaller organizations want their companies to be different from the larger corporations. They want their organizations smaller in size; but bigger in productivity by eliminating red tapes and corporate bureaucracy. When the company is smaller, people often work like firefighters – taking on new business and technology challenges without thinking about any procedures and guidelines. People also tend to wear many hats to accomplish tasks quickly in order to integrate new businesses. For example, software developers in smaller organizations may take on responsibilities of client interactions, requirements gathering, design and development, code deployment, production support, network infrastructure support, database design and maintenance along with countless other duties. In addition, systems in smaller organizations tend to be loosely guarded. So, people often don't follow many procedures in order to setup environments and implement technical projects. It's not uncommon to change code and deploy without anyone realizing. Similarly, business requirements may also get defined in an informal manner without any type of documentation. As the company grows, everything starts to change significantly impacting people and the overall business process. Suddenly, following procedures become extremely important. Consequently, new roles, guidelines and procedures start to emerge. Everything from business process to technology implementation start to become more and more process oriented. Organizations start to define and document steps, invent procedure to track process and systems level changes, and start restricting access to various systems for security reasons. At the same time, as a growing company start doing businesses with larger clienteles, they are automatically forced to abide by all sorts of industry compliance laws. Moreover, growing companies tend to recruit experienced individuals to fill new roles who usually bring their expertise from larger and more bureaucratic organizations.   Despite the best efforts from the top executives, it seems increased number of procedures and guidelines as well as new recruits automatically contribute to the evolution of corporate bureaucracy. Maybe, corporate bureaucracy is an inevitable side effect of a growing organization.

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• Need for gksudo for "Install new software" in eclipse

  - by Captain Giraffe

  I have been developing for android on eclipse for a while now, and my experience with the eclipse environment on Ubuntu10.10 has not been a smooth one. With the repo install of eclipse I have had to sudo eclipse to install the required components for android development. (a big red flag for me) I tried today to install updates for the eclipse and android platform and my eclipse installation seems to have broken horribly. I can no longer find and of the urls for new software if i gksudo it, if I run it in user mode it fails (as it always has) with permissions problems. I have chowned user:user all my eclipse and android related private/user files. This is a system running ubuntu 10.10 with gnome2.x. On my kubuntu 11.10 install it work a lot better. Is there an easy fix to this? Is the repo version of eclipse broken? Should I do a clean install for just my user? (if so can I retain my previously installed software? the installation process is very time consuming) I saw there was a previous post here recommending this for new installations.

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• Gateway ZA8 Netbook graphics Issue

  - by Hansel

  The graphics keep tearing and are barely usable anytime I try to use my Netbook. And I did a full install with Ubuntu so I'm pretty much stuck. These are the specs of the Netbook: Processor AMD Athlon™ 64 L110 Single-Core Processor (1.2GHz, 800MHz FSB, 512KB L2 Cache)6 Operating System Genuine Windows Vista® Home Basic (32-bit) with SP1 Display 11.6" HD WXGA Ultrabright™ LED-backlit Display (1366 x 768 resolution, 16:9 aspect ratio)7 Memory 2048MB DDR2 533MHz SDRAM Single Channel Memory8 Hard Drive 250GB SATA hard drive2 Color Classic and Elegant Design with Cherry Red finish Wireless Network 802.11b/g Wi-Fi CERTIFIED®3 Adapter AC Adapter Application Software Microsoft® Works, Microsoft® Money Essentials, Microsoft® Office Home and Student 2007 (60-day complimentary trial period)1 Battery 6-Cell Lithium Ion (5200mAh) Chassis Chassis with ATI Radeon® X1270 Graphics and AMD RS690E Chipset8 Dimensions (Box) 3.1" (H) x 14.8" (W) x 10.1" (D) or 80mm (H) x 376mm (W) x 256mm (D) Dimensions (System) 1.03" (H) x 11.26" (W) x 7.99" (D) or 26.4mm (H) x 286mm (W) x 203mm (D) External Ports (3) USB 2.0, VGA Connector Keyboard and Mouse Keyboard with Multi-Gesture Touchpad Media Card Reader Multi-in-1 Digital Media Card Reader (Memory Stick®, Memory Stick Pro™, MultiMediaCard, Secure Digital™, xD-Picture Card™) Network 10/100 Ethernet LAN (RJ-45 port) What can I do?

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• Running & Managing Concurrent Queries in SQL Developer

  - by thatjeffsmith

  We’ve all been there – you’ve managed to write a query that takes longer than a few seconds to execute. Tuning aside, sometimes it takes longer than you want for a query to run. So what’s a SQL Developer user to do? I say, keep going! While you’re waiting for your query to finish, there’s no reason why you can’t continue on with your work. If you need to execute something else in a worksheet, there’s no reason to launch a 2nd or 3rd copy of SQL Developer. Just open an un-shared worksheet. Now while you’ve got 1 or more queries running, you can easily get yourself into a situation where you’re not sure what’s running where. Or maybe you want to cancel a query or just check how long something’s been running. Just open the Task Progress Panel If a query or task in SQL Developer takes more than 3-5 seconds, it will appear in the Task Progress panel. You can then watch the throbbers go back and forth while you sip your coffee/soda/Red Bull. Run a query, spawn a new worksheet, run another query, watch them in the Task Progress panel. Kudos and thanks to @leight0nn for helping me get the title of this post right If you’re looking for help in managing and monitoring sessions in general, check out this post.

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• Is Joel Test really a good gauging tool?

  - by henry

  I just learned about Joel Test. I have been computer programmer for 22 years, but somehow never heard about it before. I consider my best job so far to be this small investment managing company with 30 employees and only 3 people in IT department. I am no longer with them but I had being working there for 5 years – my longest streak with any given company. To my surprise they scored extremely poor on Joel Test. The only two questions I would answer “yes” are #4: Do you have a bug database? And #9: Do you use the best tools money can buy? Everything else is either “sometimes” or straight “no”. Here is what I liked about the company however: a) Good pay, they bragged about it to my face and I bragged about it to their face, so it was almost like a family environment. b) I always knew big picture. When writing a code to solve particular problem there were no ambiguity about the business nature of that problem. Even though we did not always had written specs we could ask business users a question anytime, often yelling it across the floor. I could even talk to executives any time I felt like doing it: no appointment necessary. c) Immediate feedback. Once we implement a solution and make business users happy they immediately let us know that, we (programmers) become heroes of the moment. d) No red tape. I could always buy any tools I deem necessary, and design solutions the way my professional judgment dictates. e) Flexibility. If I had mid-day dental appointment that is near my house rather than near the office, I would send email to the company: "FYI: I work from home today". As long as one of 3 IT guys was on the floor (to help traders in case their monitors go dark) they did not care where 2 others are. So the question thus becomes how valuable Joel Test is? Why bother with it?

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• AceCypher is an Addictive Cypher Slide Puzzle Game

  - by Akemi Iwaya

  Are you ready for a game that will test your logical thinking skills while providing hours of fun? Then you may want to have a look at this awesome cypher slide puzzler! AceCypher is great puzzle game for those times when you only have a few minutes to play or want a fun way to pass the time while relaxing. The overall premise and style of game play for AceCypher is simple. You move individual rows (left, right) or columns (up, down) one space at a time in order to shift the positions of numbers on the game board through ’round-a-bout’ trading. The goal is to make the four numbers in the red square match the code shown in the upper right corner (including positions). Sounds simple so far, right? But the challenge comes from the random boards you will be given to work with…some will not be too hard to solve while others will tax your brain (and patience!) quite well.     

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• Fixed JavaScript Warning - Pin to Top of Page Using CSS Position [migrated]

  - by nicorellius

  I am new to this site, but it seems like the right place to ask this question. I am working on a noscript chunk of code whereby I do some stuff that includes a <p> at the top of the page that alerts the users that he/she has JavaScript disabled. The end result should look like the Stack Exchange sites when JavaScript is disabled (here is a screenshot of mine - SE looks similar except it is at the very top of the page): I have it working OK, but I would love it if the red bar stayed fixed along the top, upon scrolling. I tried using the position: fixed; method, but it ends up moving the p element and I can't get it to look exactly the same as it does without the position: fixed; modification. I tried fiddling with CSS top and left and other positioning but it doesn't ever look like I want it to. Here is a CSS snippett: <noscript> <style type="text/css"> p. noscript_warning { position: fixed; } </noscript>

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• Google Chrome for Mac, CSS colors and display profiles

  - by Trevor Burnham

  So, I'm aware that some browsers correct the colors in images in accordance with system settings, and that browsers differ in how they do this. But I'm very surprised when a color specified in a stylesheet appears different from one browser to another on the same system. With the latest Safari and Firefox, if I draw a div with background: #885500, I get a box with that color (as confirmed by the native DigitalColor Meter app): But when I load the same page in Chrome (Mac version 12.0.742.91) on the same system, a MacBook Pro with the default "Color LCD" display profile set, I get a noticeably different-colored box (DigitalColor Meter reports #a34d00—much more red, a bit less green): I tried a few different color profiles, and found that the color reported by DigitalColor Meter changed under Chrome. It stays constant in Safari. What's going on? Is it that Chrome is adjusting its colors depending on the system's display profile, or is it that Safari and Firefox are doing so? Does this happen under other operating systems, or is it purely a Mac phenomenon? And is there any way, from CSS/JavaScript, to detect/prevent this behavior so that colors are consistent across modern browsers on the same system?

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• Tab Sweep - Upgrade to Java EE 6, Groovy NetBeans, JSR310, JCache interview, OEPE, and more

  - by alexismp

  Recent Tips and News on Java, Java EE 6, GlassFish & more : • Implementing JSR 310 (New Date/Time API) in Java 8 Is Very Strongly Favored by Developers (java.net) • Upgrading To The Java EE 6 Web Profile (Roger) • NetBeans for Groovy (blogs.oracle.com) • Client Side MOXy JSON Binding Explained (Blaise) • Control CDI Containers in SE and EE (Strub) • Java EE on Google App Engine: CDI to the Rescue - Aleš Justin (jaxenter) • The Java EE 6 Example - Testing Galleria - Part 4 (Markus) • Why is OpenWebBeans so fast? (Strub) • Welcome to the new Oracle Enterprise Pack for Eclipse Blog (blogs.oracle.com) • Java Spotlight Episode 75: Greg Luck on JSR 107 Java Temporary Caching API (Spotlight Podcast) • Glassfish cluster installation and administration on top of SSH + public key (Paulo) • Jfokus 2012 on Parleys.com (Parleys) • Java Tuning in a Nutshell - Part 1 (Rupesh) • New Features in Fork/Join from Java Concurrency Master, Doug Lea (DZone) • A Java7 Grammar for VisualLangLab (Sanjay) • Glassfish version 3.1.2: Secure Admin must be enabled to access the DAS remotely (Charlee) • Oracle Announces the Certification of the Oracle Database on Oracle Linux 6 and Red Hat Enterprise Linux 6

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• Finding the normals of an oriented bounding box?

  - by Milo

  Here is my problem. I'm working on the physics for my 2D game. All objects are oriented bounding boxes (OBB) based on the separate axis theorem. In order to do collision resolution, I need to be able to get an object out out of the object it is penetrating. To do this I need to find the normal of the face(s) that the other OBB is touching. Example: The small red OBB is a car lets say, and the big OBB is a static building. I need to determine the unit vector that is the normal of the building edge(s) the car is penetrating to get the car out of there. Here are my questions: How do I determine which edges the car is penetrating. I know how to determine the normal of an edge, but how do I know if I need (-dy, dx) or (dy, -dx)? In the case I'm demonstrating the car is penetrating 2 edges, which edge(s) do I use to get it out? Answers or help with any or all of these is greatly appreciated. Thank you

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• Upgrading Visual Studio 2010

  - by Martin Hinshelwood

  I have been running Visual Studio 2010 as my main development studio on my development computer since the RC was released. I need to upgrade that to the RTM, but first I need to remove it. Microsoft have done a lot of work to make this easy, and it works. Its as easy as uninstalling from the control panel. I have had may previous versions of Visual Studio 2010 on this same computer with no need to rebuild to remove all the bits. Figure: Run the uninstall from the control panel to remove Visual Studio 2010 RC Figure: The uninstall removes everything for you.  Figure: A green tick means the everything went OK. If you get a red cross, try installing the RTM anyway and it should warn you with what was not uninstalled properly and you can remove it manually.   Once you have VS2010 RC uninstalled installing should be a breeze. The install for 2010 is much faster than 2008. Which could take all day, and then some on slower computers. This takes around 20 minutes even on my small laptop. I always do a full install as although I have to do c# I sometimes get to use a proper programming language VB.NET. Seriously, there is nothing worse than trying to open a project and the other developer has used something you don't have. Its not their fault. Its yours! Save yourself the angst and install Fully, its only 5.9GB. Figure: I always select all of the options.   Now go forth and develop! Preferably in VB.NET…   Technorati Tags: Visual Studio,VS2010,VS 2010

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• UTF-8 encoding problem with flash mysql and php

  - by alibhp

  Hi, As you may know, I am programming an on-line game using FLASH. I am connecting my FLASH 8 movie with MySQL database through PHP. I am doing very good in that, and I have everything working fine. The problems come when I am trying to insert (Using the INSERT SQL func) data to the database that are non-english. In other words, UTF-8 data. I red a lot of articls about that stuff and found and apply the fallowing: 1. In PHP4, you need to tell the PHP to use UTF-8 when using the xml_parser_crater() func, however, in PHP5 that is done automatically. Even though I told PHP5 to use the UTF-8 when calling the func. Adding the header to the XML sent to PHP from flash. Force the FLASH to use UTF-8 encoding in the preference options. Set the encoding in MySQL to UTF-8 (utf8_unicode_ci with InnoDB engine). I can read and insert the other language data correctly in the phpadmin as well. I did all that in my coding, and still I can't insert such data. one more strange thing is that, when I use the same link, that the FLASH using, with the XML, that the FLASH creating, on the browser (google chrome), I got the data inserted right in the database!!!!! I am about to get crazy about that stuff, What am I missing? what cause the problem? Thank you in advance.

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• Panning with the OpenGL Camera / View Matrix

  - by Pris

  I'm gonna try this again I've been trying to setup a simple camera class with OpenGL but I'm completely lost and I've made zero progress creating anything useful. I'm using modern OpenGL and the glm library for matrix math. To get the most basic thing I can think of down, I'd like to pan an arbitrarily positioned camera around. That means move it along its own Up and Side axes. Here's a picture of a randomly positioned camera looking at an object: It should be clear what the Up (Green) and Side (Red) vectors on the camera are. Even though the picture shows otherwise, assume that the Model matrix is just the identity matrix. Here's what I do to try and get it to work: Step 1: Create my View/Camera matrix (going to refer to it as the View matrix from now on) using glm::lookAt(). Step 2: Capture mouse X and Y positions. Step 3: Create a translation matrix mapping changes in the X mouse position to the camera's Side vector, and mapping changes in the Y mouse position to the camera's Up vector. I get the Side vector from the first column of the View matrix. I get the Up vector from the second column of the View matrix. Step 4: Apply the translation: viewMatrix = glm::translate(viewMatrix,translationVector); But this doesn't work. I see that the mouse movement is mapped to some kind of perpendicular axes, but they're definitely not moving as you'd expect with respect to the camera. Could someone please explain what I'm doing wrong and point me in the right direction with this camera stuff?

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