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  • Is verification and validation part of testing process?

    - by user970696
    Based on many sources I do not believe the simple definition that aim of testing is to find as many bugs as possible - we test to ensure that it works or that it does not. E.g. followint are goals of testing form ISTQB: Determine that (software products) satisfy specified requirements ( I think its verificication) Demonstrate that (software products) are fit for purpose (I think that is validation) Detect defects I would agree that testing is verification, validation and defect detection. Is that correct?

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  • what is the Web development process efficiency judgment criteria

    - by Ahmed safan
    I'm working as a web developer and I want to be able to determine if I'm efficient. Does this include the how long it take to accomplish tasks such as: Server side code for the site logic with one language or multiple php,asp,asp.net. Client side code like javascript with jquery for ajax, menus and other interactivity Page layout, html, css (color, fonts (but I have no artistic sense!)) The needs of the site and how it will work (planning) How can i judge how long it will take to complete a website? The site has CMS for adding and editing news, products, articles on the experience of the company. Also, they can edit team work, add Recreational Activities and a logo gallery with compressed psd download, and send messages to cpanel and to email. You are starting from scratch except JQuery and PHPmailer. How can I estimate how long the job will take, and how can I calculate the required time to finish any new projects? I'm so sorry for many scattered questions, but I'm in my first experiment and I want to take benefits from the great experience of those who have it.

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  • developers-designers-testers interaction [closed]

    - by user29124
    Sorry for my bad English, and also you may not read this and waste your time, because it is just a lament of layman developer... Seems no one want to learn anything at my workplace. We have Mantis bug tracker, but our testers use google-docs for reports and only developers and team lead report bugs in Mantis. We have SVN for version control and use Smarty as template system, but our designers give us pure HTML (sometimes it's ugly for programmers, but mostly it's OK) in archives, and changes to design made by programmers go nowhere (I mean designers use their own obsolete HTML and CSS most of the time). We have a testing environment but designers don't have access with restricted accounts to it. So we can only ask them where to look for the problem and then investigate the problem by ourselves (and made changes to CSS by ourselves (that go nowhere most of the time...)). I will not mention legacy code without documentation, tests, or any requirements, just an absence of real interaction in triangle programmers-designers-testers. I'm not talking about using HAML, SASS, continuous integration, or something else, just about using basic tools by all participants of the development process. Maybe the absence of communication is not a problem in short-time projects, which will finish up in 2 months time but rather on the types of projects that lasts for years. Any comments please...

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  • 7 Tips to Avoid Fatal Results in Search Engine Optimization Process

    Most companies whether big or small rely on the search engine marketing techniques for making the site more popular and definitely more search-engine friendly. You have to understand that there will be a lot of companies which will offer their SEO techniques. But you need to be extra cautious when you choose the company. Check out the 7 tips which should be followed if you want to avoid fatal mistakes.

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  • Can I assume interface oriented programming as a good object oriented programming?

    - by david
    I have been programming for decades but I have not been used to object oriented programming. But for recenet years, I had a great opportunity to learn OOP, its principles, and a lot of patterns that are great. Since I've learned OOP, I tried to apply them to a couple of projects and found those projects successful. Unfortunately I didn't follow extreme programming that suggests writing test first, mainly because their time frame were tight. What I did for those projects were Identify all necessary classes and create them with proper properties and methods whenever there is dependency between classes, write interface between them see if there is any patterns for certain relationships between classes to replace By successful, I meant that it was quick development effort, the classes can be reused better, and flexible enough so that another programmer does not have to change something else to fix another part. But I wonder if this is a good practice. Of course, I know I need to put writing unit tests first in my work process. But other than that, is there any problem with this approach - creating lots of interfaces - in long term?

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  • Multiple instances of Intellitrace.exe process

    - by Vincent Grondin
    Not so long ago I was confronted with a very bizarre problem… I was using visual studio 2010 and whenever I opened up the Test Impact view I would suddenly see my pc perf go down drastically…  Investigating this problem, I found out that hundreds of “Intellitrace.exe” processes had been started on my system and I could not close them as they would re-start as soon as I would close one.  That was very weird.  So I knew it had something to do with the Test Impact but how can this feature and Intellitrace.exe going crazy be related?  After a bit of thinking I remembered that a teammate (Etienne Tremblay, ALM MVP) had told me once that he had seen this issue before just after installing a MOCKING FRAMEWORK that uses the .NET Profiler API…  Apparently there’s a conflict between the test impact features of Visual Studio and some mocking products using the .NET profiler API…  Maybe because VS 2010 also uses this feature for Test Impact purposes, I don’t know… Anyways, here’s the fix…  Go to your VS 2010 and click the “Test” menu.  Then go to the “Edit Test Settings” and choose EACH test setting file applying the following actions (normally 2 files being “Local” and TraceAndTestImpact”: -          Select the Data And Diagnostic option on the left -          Make sure that the ASP.NET Client Proxy for Intellitrace and Test Impact option is NOT SELECTED -          Make sure that the Test Impact option is NOT SELECTED -          Save and close   Edit Test Settings   Problem solved…  For me having to choose between the “Test Impact” features and the “Mocking Framework” was a no brainer, bye bye test impact…  I did not investigate much on this subject but I feel there might be a way to have them both working by enabling one after the other in a precise sequence…  Feel free to leave a comment if you know how to make them both work at the same time!   Hope this helps someone out there !

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  • Heavy Criticism on Patch Process Thrown Microsoft's Way

    Plus: McAfee explains patching problem; what security concerns make you lose sleep?; Patching in the dark....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How to Build Your Own Siri App In a Browser

    - by ultan o'broin
    This post from Applications User Experience team co-worker Mark Vilrokx (@mvilrokx) about building your own Siri-style voice app in a browser using Rails, Chrome, and WolframAlpha is so just good you've now got it thrice! I love these kind of How To posts. They not only show off innovation but inspire others to try it out too. Love the sharing of the code snippets too. Hat tip to Jake at the AppsLab (and now on board with the Applications UX team too) for picking up the original All Things Rails blog post. Oracle Voice & Nuance demo on the Oracle Applications User Experience Usable Apps YouTube Channel Mark recently presented on Oracle Voice at the Oracle Usability Advisory Board on Oracle Voice and Oracle Fusion Applications and opened customers and partners eyes to how this technology can work for their users in the workplace and what's coming down the line! Great job, Mark.

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  • Build a LEGO Creation without Leaving Your Cube

    - by Jason Fitzpatrick
    Just because you’re stuck at your desk doesn’t mean you can’t sneak in a little fun. At BuildWithChrome you can slap together virtual LEGO bricks with ease. The site, a collaboration between Google and LEGO, shows you a massive map of Australia and New Zealand covered in thousands of LEGO base plates. Zoom in, select a base plate, and get building. The block selection is fairly limited (you can work with the kind of blocks you’d find in a generic LEGO brick pack) but it’s still quite a bit of fun. When I took it for a test drive, I started simple by building a house-like structure: With the addition of a few more pieces it would be possible to pull off the wizard shop my wife and daughter just built: How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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  • Digital Due Process

    Coalition urges updates to Electronic Communications Privacy Act (ECPA) to reflect web 2.0 world Electronic Communications Privacy Act - Privacy - Security - Google - ECPA

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  • What do you do about content when someone asks you to build a website

    - by Jon
    I am an experienced asp.net developer and asp.net mvc and I have my own CMS that I have written but starting to think there should be another approach. When someone asks you to develop them a website how do you develop it so that they can add pictures,slideshows, content, news items, diary events. On a side note do you give them a design for the home page and inner page and thats it. I'm just thinking if they turn around and say 6 months down the line I want a jquery slideshow on the right hand side of this page how do you or CMS's handle it?

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  • Warning messages while build Apache server

    - by GoinOff
    I am building Apache server 2.4.6 from source and am not sure about a few warning messages I received during the rpm build process. The build completes OK and everything seems fine..BTW, this is on CentOS 5.5... During the make process: /home/johnm/dev/project1/install/linux/BUILD/httpd-2.4.6/srclib/apr/libtool --silent --mode=install install mod_authn_file.la /home/johnm/dev/project1/install/linux/tmp/usr/local/apache2/modules/ libtool: install: warning: remember to run `libtool --finish /usr/local/apache2/modules' What is this warning message about?? remember to run libtool --finish ?? Also, I see this: libtool: install: warning: `/home/johnm/dev/project1/install/linux/BUILD/httpd-2.4.6/srclib/apr-util/libaprutil-1.la' has not been installed in `/usr/local/apache2/lib' I am building Apache in a temp directory but libtools seems to be looking in the wrong place (/usr/local/apache2/lib instead of /home/johnm/dev/project1/install/linux/tmp/usr/local/apache2/lib). This seems like something I can blow off?? In my specfile I set DESTDIR to /home/johnm/dev/project1/install/linux/tmp where the install files are placed: %install export DESTDIR=%{buildroot} make install Both messages appear numerous times during the make process. When I install the rpm on the system, everything appears to work without problems..Thinking I can ignore these messages??? or am I missing something important??

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  • Help Creating a Google Analytics Funnel for Check out process

    - by Drew
    have a funnel question. I am currently working on tracking (through GA) guest and logged in member activity once they get to my sites shopping cart. But need help with setting up funnels. Specifically to see; Total sales Logged in member total sales List item Guest member sales The urls associated to the check out proces are: Logged in members /cart (arriving to checkout) /checkout (checking out as a logged in member) /checkout/confirmation (thank you - confirmed sale) Guest members - /cart (arriving to checkout) - /checkout-guest (checking out as a guest) - /checkout/confirmation (thanks you - confirmed sale) I've tested the funnels set up for the above with 9 transactions. But the end maths doesn't seem to line up. Total sales funnel shows 9 completed transactions when only tracking these to urls: - /cart - /checkout/confirmation Which is great - cause it's working Logged in member sales show a total of 9 completed transactions based on each step of the logged in url steps (above) being tracked in a funnel. Not good because this number should be 3. Guest check out funnel (see guest steps above) shows 9 as well. What the?!?!?!? The results I am looking for should reflect the following - total sales = 9, logged in members = 3, guest members = 6 Is there any way to set these urls up so that the funnels report the correct results - or do I need to changed the urls and provide logged in members and guest stand alone purchase confirmation pages (this would mean I can not track total sales which combine results from both streams)? Any knowledge in this area is welcome. Thanks.

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  • Forking project on Github process

    - by Mike Wills
    There is a project on Github that I mostly like and want to use. There are a few things I want to do differently/remove that doesn't make sense for what I want/need. Also I want to add a few things as well. As I understand it, I should fork the project and I can make whatever changes I want and push back to my fork. From there, I also want to occasionally pull into my fork the changes from the original project so I get the latest bug fixes/features. Am I off-base of how I think it should work? How would bring in the changes from the original project?

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  • How to build a "traffic AI"?

    - by Lunikon
    A project I am working on right now features a lot of "traffic" in the sense of cars moving along roads, aircraft moving aroun an apron etc. As of now the available paths are precalculated, so nodes are generated automatically for crossings which themselves are interconnected by edges. When a character/agent spawns into the world it starts at some node and finds a path to a target node by means of a simply A* algorithm. The agent follows the path and ultimately reaches its destination. No problem so far. Now I need to enable the agents to avoid collisions and to handle complex traffic situations. Since I'm new to the field of AI I looked up several papers/articles on steering behavior but found them to be too low-level. My problem consists less of the actual collision avoidance (which is rather simple in this case because the agents follow strictly defined paths) but of situations like one agent leaving a dead-end while another one wants to enter exactly the same one. Or two agents meeting at a bottleneck which only allows one agent to pass at a time but both need to pass it (according to the optimal route found before) and they need to find a way to let the other one pass first. So basically the main aspect of the problem would be predicting traffic movement to avoid dead-locks. Difficult to describe, but I guess you get what I mean. Do you have any recommendations for me on where to start looking? Any papers, sample projects or similar things that could get me started? I appreciate your help!

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  • Build Your Own PBX With Asterisk and Linux

    Setting up your own Asterisk installation isn't for the faint of heart, but the savings you can reap from combining the powerful, open source PBX with Linux are worth the effort. Here's a quick guide to getting your own Asterisk install up and running.

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  • How do you manage a complexity jump?

    - by glenatron
    It seems an infrequent but common experience that sometimes you're working on a project and suddenly something turns up unexpectedly, throws a massive spanner in the works and ramps up the complexity a whole lot. For example, I was working on an application that talked to SOAP services on various other machines. I whipped up a prototype that worked fine, then went on to develop a regular front end and generally get everything up and running in a nice, fairly simple and easy to follow fashion. It worked great until we started testing across a wider network and suddenly pages started timing out as the latency of the connections and the time required to perform calculations on remote machines resulted in timed out requests to the soap services. It turned out that we needed to change the architecture to spin requests out onto their own threads and cache the returned data so it could be updated progressively in the background rather than performing calculations on a request by request basis. The details of that scenario are not too important - indeed it's not a great example as it was quite forseeable and people who have written a lot of apps of this type for this type of environment might have anticipated it - except that it illustrates a way that one can start with a simple premise and model and suddenly have an escalation of complexity well into the development of the project. What strategies do you have for dealing with these types of functional changes whose need arises - often as a result of environmental factors rather than specification change - later on in the development process or as a result of testing? How do you balance between avoiding the premature optimisation/ YAGNI/ overengineering risks of designing a solution that mitigates against possible but not necessarily probable issues as opposed to developing a simpler and easier solution that is likely to be as effective but doesn't incorporate preparedness for every possible eventuality?

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  • Build a Water Rocket for Cheap Summer Fun

    - by Jason Fitzpatrick
    If you’re looking for a cheap thrill this summer (and an easy way to sneak some covert summer school lessons about physics into the mix), this fun DIY project turns soda bottles into rockets. Over at Geek Dad they share a roundup of information about building soda bottle rockets including plans, information about the physics behind the rockets, and more. Rather than link to one specific plan, we’d suggest hitting up the roundup at the link below and picking your favorite. Soda Bottle Water Rockets for Summer Fun [Geek Dad] How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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  • What are the common mistakes in 'tailored Scrum approaches'?

    - by Clark Gable
    I have seen this before. Management wants to be agile and be scrummified, but does not want to step out of the status quo. My latest observation is no different; here, the Scrum is 'tailored' to the organization; specifically into a weird many-people-process. The diagram showing the different participants. I am putting together a document listing why this will not work. Here are the obvious ones: 1. There are product owner agents (an obvious WTF), who report to the product owner: causing dilution of decision making capability 2. There is a role that looks similar to a manager in the traditional approach - development manager: an obvious attempt at command-and-control model 3. The ScrumMaster's role includes collecting timesheets, which are used to track progress instead of burndown charts: detrimental to agile's efforts to build teams with motivated individuals Leaving the question "how would you convince the management?", my question is more at, "what else do you see as failures in this/similar 'tailored Scrum approaches'? EDIT: The diagram might use a few more details 1. The development manager is not part of the development team, with not very clearly defined responsibilities, except: developer performance assessemnt, recruitment, etc., 2. There are more than two teams (with ScrumMaster+development manager+dev team) with the same product owner for all teams!

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