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• Filezilla FTP Server - Security Implications of its usage on Windos Server 2003

  - by Brian Webster

  I'm running Filezilla server on my dedicated windows 2003 server. It uses its own user-access control system. The Filezilla server service itself is running under the System user. When I setup users within the FTP Server Administrator Interface, I do not need to setup equivalent users, or adjust permissions on folders to allow users to login. Example: I setup TestFTP user with password 'p' I set the home directoy of TestFTP user to be e:/website I verify that e:/website only has permission for the System and Admin accounts (right click - security in windows explorer) TestFTP is able to login to the server just fine. I'm OK with this (perhaps due to ignorance?). Is it generally frounded upon to utilize a FTP Server such as FileZilla Server that bypasses the built-in UAC in this method? If I wasn't clear enough, please let me know.

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• More details on America's Cup use of Oracle Data Mining

  - by charlie.berger

  BMW Oracle Racing's America's Cup: A Victory for Database Technology BMW Oracle Racing's victory in the 33rd America's Cup yacht race in February showcased the crew's extraordinary sailing expertise. But to hear them talk, the real stars weren't actually human. "The story of this race is in the technology," says Ian Burns, design coordinator for BMW Oracle Racing. Gathering and Mining Sailing DataFrom the drag-resistant hull to its 23-story wing sail, the BMW Oracle USA trimaran is a technological marvel. But to learn to sail it well, the crew needed to review enormous amounts of reliable data every time they took the boat for a test run. Burns and his team collected performance data from 250 sensors throughout the trimaran at the rate of 10 times per second. An hour of sailing alone generates 90 million data points.BMW Oracle Racing turned to Oracle Data Mining in Oracle Database 11g to extract maximum value from the data. Burns and his team reviewed and shared raw data with crew members daily using a Web application built in Oracle Application Express (Oracle APEX). "Someone would say, 'Wouldn't it be great if we could look at some new combination of numbers?' We could quickly build an Oracle Application Express application and share the information during the same meeting," says Burns. Analyzing Wind and Other Environmental ConditionsBurns then streamed the data to the Oracle Austin Data Center, where a dedicated team tackled deeper analysis. Because the data was collected in an Oracle Database, the Data Center team could dive straight into the analytics problems without having to do any extract, transform, and load processes or data conversion. And the many advanced data mining algorithms in Oracle Data Mining allowed the analytics team to build vital performance analytics. For example, the technology team could remove masking elements such as environmental conditions to give accurate data on the best mast rotation for certain wind conditions. Without the data mining, Burns says the boat wouldn't have run as fast. "The design of the boat was important, but once you've got it designed, the whole race is down to how the guys can use it," he says. "With Oracle database technology we could compare the incremental improvements in our performance from the first day of sailing to the very last day. With data mining we could check data against the things we saw, and we could find things that weren't otherwise easily observable and findable."

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• Powershell import-module webadministration

  - by David

  Every time I execute this command invoke-command -computername REMOTEPC -scriptblock { import-module WebAdministration; new-item "$env:systemdrive\inetpub\testsite" -type directory; New-WebSite -Name TestSite -Port 81 -PhysicalPath "$env:systemdrive\inetpub\testsite" } I get the following error Invalid class string (Exception from HRESULT: 0x800401F3 (CO_E_CLASSSTRING)) + CategoryInfo : NotSpecified: (:) [Get-ChildItem], COMException + FullyQualifiedErrorId : System.Runtime.InteropServices.COMException,Microsoft.PowerShell.Commands.GetChildItemCommand The website is created successfully as far as I can see. The following command gives the same error when enumerating the testsite Invoke-Command -computername REMOTEPC { import-module webadministration; dir -path IIS:\Sites\ } Name ID State Physical Path Bindings PSComputerName Default Web Site 1 Started http *:80: REMOTEPC Invalid class string (Exception from HRESULT: 0x800401F3 (CO_E_CLASSSTRING)) + CategoryInfo : NotSpecified: (:) [Get-ChildItem], COMException + FullyQualifiedErrorId : System.Runtime.InteropServices.COMException,Microsoft.PowerShell.Commands.GetChildItemCo mmand Any suggestions would be appreciated

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• Create Your CRM Style

  - by Ruth

  Company branding can create a sense of spirit, belonging, familiarity, and fun. CRM On Demand has long offered company branding options, but now, with Release 17, those options have become quicker, easier, and more flexible. Themes (also known as Skins) allow you to customize the appearance of the CRM On Demand application for your entire company, or for individual roles. Users may also select the theme that works best for them. You can create a new theme in 5 minutes or less, but if you're anything like me, you may enjoy tinkering with it for a while longer. Before you begin tinkering, I recommend spending a few moments coming up with a design plan. If you have specific colors or logos you want for your theme, gather those first...that will move the process along much faster. If you want to match the color of an existing Web site or application, you can use tools, like Pixie, to match the HEX/HTML color values. Logos must be in a JPEG, JPG, PNG, or GIF file format. Header logos must be approximately 70 pixels high by 1680 pixels wide. Footer logos must be no more than 200 pixels wide. And, of course, you must have permission to use the images that you upload for your theme. Creating the theme itself is the simple part. Here are a few simple steps. Note: You must have the Manage Themes privilege to create custom themes. Click the Admin global link. Navigate to Application Customization Themes. Click New. Note: You may also choose to copy and edit and existing theme. Enter information for the following fields: Theme Name - Enter a name for your new theme. Show Default Help Link - Online help holds valuable information for all users, so I recommend selecting this check box. Show Default Training and Support Link - The Training and Support Center holds valuable information for all users, so I recommend selecting this check box. Description - Enter a description for your new theme. Click Save. Once you click Save, the Theme Detail page opens. From there, you can design your theme. The preview shows the Home, Detail, and List pages, with the new theme applied. For more detailed information about themes, click the Help link from any page in CRM On Demand Release 17, then search or browse to find the Creating New Themes page (Administering CRM On Demand Application Customization Creating New Themes). Click the Show Me link on that Help page to access the Creating Custom Themes quick guide. This quick guide shows how each of the page elements are defined.

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• Move the Status Bar Web Address Display to the Address Bar

  - by Asian Angel

  Is the ability to see the addresses for weblinks the only reason that you keep the Status Bar visible? Now you can hide the Status Bar and move that address display to the Address Bar in Firefox. Before Here is the normal “Status Bar” address display for the weblink we were hovering the mouse over in our browser. That is nice but if you really prefer to keep the “Status Bar” hidden what do you do? Move that display to a better (and definitely more convenient) location. After Once you have the extension installed that is all there is to it…you are ready to go. Notice the address display in “Address Bar”. That is definitely looking nice. Just for fun we temporarily left the “Status Bar” visible as a demonstration while hovering over the link. And then with the “Status Bar” totally disabled…more screen real-estate is always a good thing. Note: The Status Address Bar extension does not show the original address behind shortened URLs. Conclusion If you are looking for an alternate way to see the address behind weblinks and acquire more screen real-estate, then the Status Bar extension will be a wonderful addition to your Firefox Browser. Links Download the Status Address Bar extension (Mozilla Add-ons) Similar Articles Productive Geek Tips Clear the Auto-Complete Email Address Cache in OutlookFind Out a Website’s Actual Location with FlagfoxView Website Domain Names Clearly with Locationbar2Switch MySQL to listen on TCPSave 15 Keystrokes – Use Ctrl+Enter to Complete URL TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Awe inspiring, inter-galactic theme (Win 7) Case Study – How to Optimize Popular Wordpress Sites Restore Hidden Updates in Windows 7 & Vista Iceland an Insurance Job? Find Downloads and Add-ins for Outlook Recycle !

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• Which Browser is the Best to Use When Running Your Laptop on Battery Power?

  - by Asian Angel

  Squeezing the maximum amount of usage time out of your laptop battery can be challenging at times…it all depends on the software you are using. One software we are all likely to be using is a browser to keep up with our online lives… If your laptop is older, then getting the most out of your laptop’s aging battery is definitely a must. The good folks over at the 7 Tutorials blog have done a comparison test to see which browser is the gentlest on your laptop’s battery and the results may surprise you. You can view the results by visiting the link below… Had better (or worse) luck with one of the browsers tested? Then make sure to share the results with your fellow readers in the comments! Test Comparison: Which Browser Will Make Your Laptop’s Battery Last Longer? [7 Tutorials] How to Own Your Own Website (Even If You Can’t Build One) Pt 3 How to Sync Your Media Across Your Entire House with XBMC How to Own Your Own Website (Even If You Can’t Build One) Pt 2

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• Trouble opening my router to my web server [closed]

  - by justin

  Here's the story. I have a webs server created and connected to my router. The website works great when I'm connected to the router, but when I'm off the network I can't access the website. I got the IP for my router by googling "what is my ip." I have opened ports 80 to 10080 to link to the server in the router. THe firewall is off. I can ping the router. One odd thing that I don't understand. When I am in network if I access XXX.XXX.XX.XX:80 I can access the web page no problem. If I access XXX.XXX.XX.XX:81 (or any other port) I get the error "Cannot access server." Any idea what the problem could be? Could it be my ISP?

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• What is the most time-effective way to monitor & manage threats from bots and/or humans?

  - by CheeseConQueso

  I'm usually overwhelmed by the amount of tools that hosting companies provide to track & quantify traffic data and statistics. I'm equally overwhelmed by the countless flavors of malicious 'attacks' that target any and every web site known to man. The security methods used to protect both the back and front end of a website are documented well and are straight-forward in terms of ease of implementation and application, but the army of autonomous bots knows no boundaries and will always find a niche of a website to infest. So what can be done to handle the inevitable swarm of bots that pound your domain with brute force? Whenever I look at error logs for my domains, there are always thousands of entries that look like bots trying to sneak sql code into the database by tricking the variables in the url into giving them schema information or private data within the database. My barbaric and time-consuming plan of defense is just to monitor visitor statistics for those obvious patterns of abuse and either ban the ips or range of ips accordingly. Aside from that, I don't know much else I could do to prevent all of the ping pong going on all day. Are there any good tools that automatically monitor this background activity (specifically activity that throws errors on the web & db server) and proactively deal with these source(s) of mayhem?

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• Submit form to another domain

  - by doubter

  I need to access the result of submitting a form to a website. There is a web site where you complete a form and it posts the information using ajax and then tells you if you have their service in the are or not. I'd like to be able to do this from my web page, which means posting the information required by the form to their server and getting the result. The problem is I get "403 Forbidden", I think it's because the "Origin" being a different domain. Is there anyway that I can the response from the server on my website? I thought about php_curl (used once with google docs api) but would like to know what you guys think it's the best way.

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• Various roles in an Organization and their respective tasks.

  - by balu

  In various organizations(Software Company) there would be various designations having different roles. I would like to know the Industry accepted & followed trend in the organization hierarchy(..Like DBA,System Architect,Project Manager,Senior Developer,Developer,QA,Design Team,Delivery Manager etc..).And the various roles played by each of them in the various stages of the Software Development Life Cycle.Who all could possibly be sharing the responsibility mutually?

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• how do I write a functional specification quickly and efficiently

  - by giddy

  So I just read some fabulous articles by Joel on specs here. (Was written in 2000!!) I read all 4 parts, but Im looking for some methodical approaches to writing my specs. Im the only lonely dev, working on this fairly complicated app (or family of apps) for a very well known finance company. I've never made something this serious, I started out writing something like a bad spec, an overview of some sorts, and it has wasted a LOT of my time. Ive also made 3 mockup-kinda-thingies for my client so I have a good understanding of what they want. Also released a preview (a throw away working app with the most basic workflow), and Ive only written and tested some of the very core/base systems. I think the mistake Ive been making so far is not writing a detailed spec, so Im getting to it now. So the whole thing comprises of An MVC website (for admins & data viewing) 2 Silverlight modules (For 2 specific tasks) 1 Desktop Application Im totally short on time, resources and need to get this done quick, also, need to make sure these guys read it up equally quick and painlessly. So how do I go about it, Im looking for any tips, any real world stuff, how do you guys usually do it? Do you make a mock screenie of every dialog/form/page? Im thinking of making a dummy asp.net web forms project, then filling in html files in folders and making it look like my mvc url structure. Then having a section in the spec for the website and write up a page for every URL Ive got with a screenie. For my win forms app, Ive made somewhat of a demo Win Form project, would I then put in a dialog or stucture everything as I would in the real app and then screen shot it?

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• Ubuntu installation on Windows , I can't find my way back.

  - by Poofs

  So recently I have installed Ubuntu as an OS in addition to my Windows because it looked good and I have used it in the past and I liked it. Before I installed Ubuntu, they (the website) have given me a help list that shows that I will have the option of having Windows aside to Ubuntu (dual install), while I work with the Ubuntu OS. They told me that if I either put it in a CD or USB drive, I'll be okay. So there I was, installing Ubuntu, saving the Ubuntu file on my USB drive first, then afterwards clicking it and therefore proceeded to install. The problem is once I installed Ubuntu, it directed me to the 'login' page without giving me an option for dual-installing (you know, the language portion and so on). Now I tried both to suspend and shut off, and it seems like I cannot access my Windows files/account anymore and it really is unfortunate. Now I am FREAKING out, because this is a shared computer that my family uses (it's like a main computer in the house) and everyone's files are on this. It is extremely crucial for me to get these Windows files back because if I don't, my life will end tonight. Please, if someone can help me, I will love you forever. Please just help me, this is urgent. I'm sure a lot of people have experienced this too, but I have found nothing on the website helpful for me as Ubuntu is a very new thing for me. Thanks everyone! :)

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• Newbie worried about CASE tool.

  - by Jason Evans

  Hi there. I'm looking for some guidance on CASE tools and whether my concerns are valid. Recently I was in a meeting between my employer and an external software company which have a CASE tool currently in beta. They demonstrated this tool to us, showing how you build a UML model in Enterprise Architect (or something like it) and then, through their tool, that UML model is transformed into a Visual Studio project, with C# files, stored procedures for SQL Server, code for the data layer, WCF stuff, logging code and allsorts. Now, admittedly, I don't see the point in this, as in I'm not convinced it will save that much time (plus it feels like overkill). The tool authors said that a trial of the tool at another company had saved a team there 5 weeks of development time (from 6 weeks down to about 1 week) using this tool. I find the accuracy of that estimate hard to believe. My main concern is whether using this tool is going slow down my productivity. For example - Say I have a UML model which I built a VS solution from. Now, I want to rename a class method to something else; will this mean having to update the UML model first and then rebuilding the code? Is this how case tools normally work? Something I will need to check with the authors is the structure of the generated VS solution. I like the Domain Driven Design way of project structure - Infrstructure, Services, Model, etc. I doubt very much this tool will do that. Also, I've been playing around with Entity Framework Code First and think it's a great way to build the data model. I have nice repositories, unit of work classes and other design patterns that work well with EF. I have data anootations and stuff like that working great. By not having EF (the CASE tool uses it's own data layer code) I'm concerned that this tool's data layer code might not be a nice to integrate in the UoW pattern, repositories, etc. This I will need to verify when I get a closer look at the generated code. What are other people's experiences with CASE tools? Am I being paranoid about nothing? Am I being unfair - are my negativities unfounded? EDIT: I like to use TDD/BDD for building my code, and using a CASE tool looks like it will make this difficult. Again, any feedback on this would be great. Cheers. Jas.

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• Usergroups in london this week

  - by simonsabin

  Don’t forget there are 2 usergroup meetings in London this week. The first is on service broker (by far the best but under used feature in SQL Server IMHO) and resource governor. This one is in Victoria on Wednesday http://sqlserverfaq.com/events/216/Service-Broker-Intro-Terminology-Design-Considerations-Monitoring-and-Controlling-Resources-in-SQL-Server-Resource-Governor-Data-Collector.aspx Then on Thursday Hitatchi Consulting are hosting a BI evening on DAX in Powerpivot and a case study in high...(read more)

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• Does Test Driven Development (TDD) improve Quality and Correctness? (Part 1)

  - by David V. Corbin

  Since the dawn of the computer age, various methodologies have been introduced to improve quality and reduce cost. In this posting, I will by sharing my experiences with Test Driven Development; both its benefits and limitations. To start this topic, we need to agree on what TDD is. The first is to define each of the three words as used in this context. Test - An item or action which measures something in some quantifiable form. Driven - The primary motivation or focus of a series of activities (process) Development - All phases of a software project/product from concept through delivery. The above are very simple definitions that result in the following: "TDD is a process where the primary focus is on measuring and quantifying all aspects of the creation of a (software) product." There are many places where TDD is used outside of software development, even though it is not known by this name. Consider the (conventional) education process that most of us grew up on. The focus was to get the best grades as measured by different tests. Many of these tests measured rote memorization and not understanding of the subject matter. The result of this that many people graduated with high scores but without "quality and correctness" in their ability to utilize the subject matter (of course, the flip side is true where certain people DID understand the material but were not very good at taking this type of test). Returning to software development, let us look at some common scenarios. While these items are generally applicable regardless of platform, language and tools; the remainder of this post will utilize Microsoft Visual Studio and Team Foundation Server (TFS) for examples. It should be realized that everyone does at least some aspect of TDD. At the most rudimentary level, getting a program to compile involves a "pass/fail" measurement (is the syntax valid) that drives their ability to proceed further (run the program). Other developers may create "Unit Tests" in the belief that having a test for every method/property of a class and good code coverage is the goal of TDD. These items may be helpful and even important, but really only address a small aspect of the overall effort. To see TDD in a bigger view, lets identify the various activities that are part of the Software Development LifeCycle. These are going to be presented in a Waterfall style for simplicity, but each item also occurs within Iterative methodologies such as Agile/Scrum. the key ones here are: Requirements Gathering Architecture Design Implementation Quality Assurance Can each of these items be subjected to a process which establishes metrics (quantified metrics) that reflect both the quality and correctness of each item? It should be clear that conventional Unit Tests do not apply to all of these items; at best they can verify that a local aspect (e.g. a Class/Method) of implementation matches the (test writers perspective of) the appropriate design document. So what can we do? For each of area, the goal is to create tests that are quantifiable and durable. The ability to quantify the measurements (beyond a simple pass/fail) is critical to tracking progress(eventually measuring the level of success that has been achieved) and for providing clear information on what items need to be addressed (along with the appropriate time to address them - in varying levels of detail) . Durability is important so that the test can be reapplied (ideally in an automated fashion) over the entire cycle. Returning for a moment back to our "education example", one must also be careful of how the tests are organized and how the measurements are taken. If a test is in a multiple choice format, there is a significant statistical probability that a correct answer might be the result of a random guess. Also, in many situations, having the student simply provide a final answer can obscure many important elements. For example, on a math test, having the student simply provide a numeric answer (rather than showing the methodology) may result in a complete mismatch between the process and the result. It is hard to determine which is worse: The student who makes a simple arithmetric error at one step of a long process (resulting in a wrong answer) or The student who (without providing the "workflow") uses a completely invalid approach, yet still comes up with the right number. The "Wrong Process"/"Right Answer" is probably the single biggest problem in software development. Even very simple items can suffer from this. As an example consider the following code for a "straight line" calculation....Is it correct? (for Integral Points)         int Solve(int m, int b, int x) { return m * x + b; }   Most people would respond "Yes". But let's take the question one step further... Is it correct for all possible values of m,b,x??? (no fair if you cheated by being focused on the bolded text!)  Without additional information regarding constrains on "the possible values of m,b,x" the answer must be NO, there is the risk of overflow/wraparound that will produce an incorrect result! To properly answer this question (i.e. Test the Code), one MUST be able to backtrack from the implementation through the design, and architecture all the way back to the requirements. And the requirement itself must be tested against the stakeholder(s). It is only when the bounding conditions are defined that it is possible to determine if the code is "Correct" and has "Quality". Yet, how many of us (myself included) have written such code without even thinking about it. In many canses we (think we) "know" what the bounds are, and that the code will be correct. As we all know, requirements change, "code reuse" causes implementations to be applied to different scenarios, etc. This leads directly to the types of system failures that plague so many projects. This approach to TDD is much more holistic than ones which start by focusing on the details. The fundamental concepts still apply: Each item should be tested. The test should be defined/implemented before (or concurrent with) the definition/implementation of the actual item. We also add concepts that expand the scope and alter the style by recognizing: There are many things beside "lines of code" that benefit from testing (measuring/evaluating in a formal way) Correctness and Quality can not be solely measured by "correct results" In the future parts, we will examine in greater detail some of the techniques that can be applied to each of these areas....

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• Mac Mini 1.66 no sound on Windows 7

  - by Steph

  I've tried everything I could to get the sound working. I've tried to install the drivers from the Snow Leopard disk, then I went and got the latest RealTek drivers from the RealTek website. Then I read that old Mac mini's could have an integrated Cirrus chip, and I tried to grab the latest driver from the website, and it appeared to install, but nothing. There's also nothing listed under Sound and ... in the Device Manager. I've tried to manually include a legacy driver, which worked for RealTek but not for the Cirrus driver. Of course it said there was no RealTek hardware install, which makes me think it's a Cirrus chip. Any further suggestions or thoughts would be really appreciated. This is a Mac Mini 1.66. I'm also not sure how to be able to detect what card is integrated into the system, so that would be helpful too (remembering that there's no driver installed). Even just to get the chip type would be great to confirm.

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• Introducing QuickUnit

  - by RoyOsherove

  A friend of mine, Ariel, just finished up his latest project, in the unit testing world – called QuickUnit. From the site: QuickUnit significantly reduces the time needed to design and generate high-quality unit tests. I see it as an interactive unit test generator with all the options for isolation included. give it a whirl

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• DIY $2 Flash Diffuser [Video]

  - by Jason Fitzpatrick

  This simple flash diffuser is cheap to make, easy to assemble, and offers a wide surface area to bounce your flash. The video comes to us courtesy of StepByStep Photography, building off a design by Chuck Gardner (follow the link below to read Chuck’s full tutorial and learn a bit about using a bounce flash). DIY Diffuser for Hot-Shoe Flash [via DIY Photography] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• Spell check web pages using Firefox plugin

  - by Gopinath

  Having spelling mistakes on a website degrades customer experience by many times. Developers and website content creators spend good amount of time in going through the content manually to make sure that there are no spelling mistakes. At times few mistakes slip in as manual process is error prone. There are few web services and tool available in the market which provide automated spell checking services but they have certain limitations like – high fees to use the service, limitation on the number of pages they scan for errors, privacy issues, etc. What about a free tool that runs locally on your PC and spell checks unlimited web pages? Here comes Spell Checker extension for  Firefox web browser. This free Firefox extension is developed by  Gaurang, a Software Test Engineer based out in India. Once the extension is installed it adds a new context menu “Check Spelling” and a small icon to Add-On bar. To check spellings of a web page just click on the icon or the context menu and it will highlight all the errors on the page. By default SpellChecker extension uses US English dictionary to find spell mistakes and supports spell checking in other languages with installation of dictionaries. Download SpellChecker Extension for Firefox. Spell check dictionaries:  US-English , GB English and  Australian English

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• change default port of IIS and let another process to listen on port 80 (Windows Server 2008)

  - by aleroot

  I have an installation of Windows Server 2008 running IIS 6 with a website listening on port 8080, even though I have moved the website to listen on 8080, port 80 is still kept in use by IIS (for truth by the kernel process : System - ProcId : 4). I want to let another process listen on port 80 without uninstalling or disabling IIS, I want to keep IIS listening on port 8080 and another service on port 80, is there a way to do it? I saw another similar thread here on serverfault but the solution (using httpcfg.exe delete iplisten -i 0.0.0.0:80 ) can work only in 2003 because in 2008 the utility httpcfg.exe doesn't exist and it seems that it cannot be installed ... Does anyone have a solution to get rid of the kernel listening on port 80 in Windows Server 2008 with IIS running?

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• Sending Emails via Google SMTP - after some time quit working

  - by Chris

  on a website I use PHPMailer to send automated registration emails, etc and also a newsletter-tool (which loops through the emails and sends them one by one). Also, I configured in Gmail under Settings and confirmed @mydomain addresses, so I can send from @mydomain emails without the gmail address being displayed. Furthermore I authorized the website to send mails with this link: https://accounts.google.com/DisplayUnlockCaptcha Now, after 2 month where everything worked perfectly fine, suddenly users started not to receive emails anymore and most recently emails are not even being sent anymore. Also, I received many error messages like this: Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 5.4.1 [email protected]: Recipient address rejected: Access Denied (state 13). When I check at this link: https://toolbox.googleapps.com/apps/checkmx/ It tells 2 none critical errors: Relayhost configuration detected. There SHOULD be a valid SPF record. So, the questions I would have were: does anybody have any hint why it stopped working, what the error messages mean? what to do to fix it? where do I set a SPF record (Cpanel?)? what is a relayhost and how to fix that? It is about 1000-1400 mails a day (gmail's limit is 2000). Also, what can I do wrong when setting up an SPF record? I've heard there are some testing tools for that. Thank you so much already in advance for your help!

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• Create Google Maps screenshots at regular intervals

  - by Dave Jarvis

  Background People are concerned that building a pipeline to the West Coast of Canada will increase the number of oil tankers, thus increasing the probability of a major oil spill, thereby creating an environmental catastrophe. The AIS Live Ships Map website captures real-time Marine Traffic updates using a Google Maps interface. While it is possible to obtain data from an AIS data feed, often the feeds are either pay-for-use, or otherwise encumbered with license restrictions. Problem The AIS Live Ships website presents a map in the browser: The map above has had its location interactively changed to focus on the area in question: the northern straight of Vancouver Island. Question How would you create a service that captures the map every 30 minutes and that could run, with neither user-intervention nor a significant memory footprint, for a few years? Idea #1 Create a virtual machine. Install and run a light-weight browser. Use Shutter to take captures at regular intervals. Idea #2 Use Python's Ghost Webkit to automate the captures. Thank you!

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• GDL Presents: Women Techmakers with Pixel Qi

  GDL Presents: Women Techmakers with Pixel Qi Jean Wang sits down with 2011 Anita Borg "Woman of Vision" Award for Innovation winner Mary Lou Jepsen of Pixel Qi to discuss overcoming technical challenges in hardware, drawing on Mary Lou's experience leading the engineering and architectural design of the $100 laptops that inspired the One Laptop Per Child (OLPC) organization. Hosts: Jean Wang - Lead Hardware Engineer for Project Glass | Vivian Cromwell - Manager, Global Chrome Developer Relations Guest: Mary Lou Jepsen - CEO and Founder, Pixel Qi From: GoogleDevelopers Views: 0 0 ratings Time: 01:00:00 More in Science & Technology

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• What's your advise on a potential legal suit? [closed]

  - by ohho

  I [xxx app developer] received an email from Apple that a developer [of yyy app] believes I am "infringing their copyright." Description of Issue: [xxx developer] copied my application (my application is [yyy]) feature by feature. Even their donation model is completely copied from my application. Their first release was significantly later than mine, which implies copying of the application rather than parallel development. I suffered significant financial losses because of their actions, in additional to promotion problems as many people are confused with their product. My advertising was based around the idea of a "free [yyy] application for an iPhone" and they have just taken that as a title for their application. I would appreciate if someone takes a look at their release schedule and compare it to my releases. Additionally, please take a look at their functionality and how it point by point copies the functionality of my older releases. I am asking Apple to remove their application from the App Store, and ban them from resubmitting it. Thank you for your time! [yyy developer], the developer of the [yyy] application. My response was: The code of [xxx] is written by myself, using Apple public API. The graphics elements are designed by myself. The user interface and app control are independently designed and different from other [similar type] apps (please judge yourself). In-app Purchase is iOS Apple standard API. iAd is Apple iOS standard API. I don't think features can be owned exclusively. In fact, my app comes with fewer features, as I prefer minimalist design. I don't think idea can be owned exclusively. Apple responded: Thank you for your response. Unfortunately, Apple cannot serve as arbiter for disputes among third parties. Please contact [yyy developer] directly regarding your actions. You can reach [yyy developer] through: [...]. We look forward to confirmation from both parties that this issue has been resolved. If this issue is not resolved shortly, Apple may be forced to pull your application(s) from the App Store. Then I sent my response above to [yyy developer]. [yyy developer] then asked me "to provide (my) legal address and contact details that (his) lawyer requires to file a copyright infringement suit." IMO, I don't think the [yyy developer]'s claim on "feature by feature" copy is valid. I have fewer features, completely different user interface design. However, I don't think I can afford a legal action for an app of so little financial return. So what's your advise on this? Should I just let Apple pull my app? Or is there any alternative I can consider? FYI ... UI of [xxx app]: and UI of [yyy app]:

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• Good ruby book with exercises? [closed]

  - by watabou

  I find that I learn the best with a book that has a number of exercises at the end of each chapters. A great example of this is C++ Primer Plus by Stephen Prata or Scientific Programming with Python or the Horstmann Java books. All of those books have a number of programming exercises at the end tailored to that specific chapter. I love the styles of those book and was wondering if there is anything similar for Ruby. I've extensively searched google for this and people have been suggesting different stuff like different websites like Ruby Koans and LRTHW but honestly, I've tried those and they aren't for me. I taught myself Python with the the Hard Way book and to be honest, it's not for me. Now, forgive me if I'm blunt but does anyone have a Ruby programming BOOK (i.e. not a website), that has EXERCISES in it? I do NOT want a website, unless the book is only or is freely available online by the author, similar to the Hard Way books. I would say that I'm a intermediate level programmer with only some Ruby experience but if you know of a beginner book on Ruby, that is fine too. Thanks in advance, I would really really appreciate the help.

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