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  • OOP - Composition, Components and Composites Example?

    - by coder3
    I've been reading a bit about OOP in relation to Composition, Components and Composites. I believe I understand the fundamental principle (not sure). Can some one please provide a code example of a person or car (both have many properties) using Composition, Components and Composites. I think seeing it in code would clear up the confusion I have regarding this pattern. Preferably in Java or PHP - many thanks!

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  • The Google Maps API and Chrome DevTools

    The Google Maps API and Chrome DevTools Learn how the Chrome Developer Tools can make development with the Maps API faster and easier. If you'd like to know more, see the links below. Chrome DevTools documentation: goo.gl Google Maps API V3 reference: goo.gl For more DevTools screencasts than you can handle: www.html5rocks.com From the jQuery Docs: "jQuery() — which can also be written as $() — searches through the DOM for any matching elements and *creates a new jQuery object that references these elements*." api.jquery.com From: GoogleDevelopers Views: 145 12 ratings Time: 12:16 More in Science & Technology

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  • GDL Presents: Creative Sandbox | Geo API

    GDL Presents: Creative Sandbox | Geo API Tune in to hear about two cool, innovative campaigns that use the Geo API, Nature Valley Trail View and Band of Bridges, from the core creative teams at McCann Erickson NY, Goodby Silverstein & Partners and Famous Interactive in conversation with a Google Maps product expert. They'll talk about how they pushed the possibilities of the Geo API - and will inspire you to do the same. From: GoogleDevelopers Views: 23 1 ratings Time: 52:32 More in Science & Technology

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  • YouTube Developers Live: Playlist Party Picker

    YouTube Developers Live: Playlist Party Picker Submit your questions here: goo.gl Danny Hermes, Jeff Posnick and JJ Behrens discuss how they built Party Playlist Picker, a Python App Engine application that lets Google+ users collaboratively edit YouTube Playlists. More details are at apiblog.youtube.com Helpful Links: OAuth2 for GData APIs - googleappsdeveloper.blogspot.com Channel API - developers.google.com Memcache - developers.google.com From: GoogleDevelopers Views: 141 18 ratings Time: 40:14 More in Science & Technology

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  • Design Principles: An Illuminati For Better Solution

    From my earliest memory of programming, I was taught that we should do some level of design before coding. Somewhere around the way I started hearing phrases Dependency Injection, IoC etc., but whenever I asked people the need for these patterns, I seldom got an answer that satisfied me…

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  • IE9 HTML5 Video Will Be H264 Only

    <b>OSNews:</b> "Other codecs often come up in these discussions. The distinction between the availability of source code and the ownership of the intellectual property in that available source code is critical."

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  • cannot run c compiled programs. if you meant to cross compile use --host' Ubuntu

    - by Ali.A
    I'm completely new to Ubuntu I downloaded and unpacked a tar.gz package, after extraction, it is said in its documentation : "type ./configure --disable-gts" But when i run this command alone it tells me "Permission Denied" error. Then i tried to use "sh ./configure --disable-gts" insted, but this time i faced this error: configure: error: cannot run C compiled programs. If you meant to cross compile, use `--host'. How can i overcome these two problems? (I mean permission and compile error) I'm just a rookie and i need urgent help. Thanx

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  • A TDD Journey: 3- Mocks vs. Stubs; Test Frameworks; Assertions; ReSharper Accelerators

    Test-Driven Development (TDD) involves the repetition of a very short development cycle that begins with an initially-failing test that defines the required functionality, and ends with producing the minimum amount of code to pass that test, and finally refactoring the new code. Michael Sorens continues his introduction to TDD that is more of a journey in six parts, by implementing the first tests and introducing the topics of Test doubles; Test Runners, Constraints and assertions

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  • Reuse Business Logic between Web and API

    - by fesja
    We have a website and two mobile apps that connect through an API. All the platforms do the exactly same things. Right now the structure is the following: Website. It manages models, controllers, views for the website. It also executes all background tasks. So if a user create a place, everything is executed in this code. API. It manages models, controllers and return a JSON. If a user creates a place on the mobile app, the place is created here. After, we add a background task to update other fields. This background task is executed by the Website. We are redoing everything, so it's time to improve the approach. Which is the best way to reuse the business logic so I only need to code the insert/edit/delete of the place & other actions related in just one place? Is a service oriented approach a good idea? For example: Service. It has the models and gets, adds, updates and deletes info from the DB. Website. It send the info to the service, and it renders HTML. API. It sends info to the service, and it returns JSON. Some problems I have found: More initial work? Not sure.. It can work slower. Any experience? The benefits: We only have the business logic in one place, both for web and api. It's easier to scale. We can put each piece on different servers. Other solutions Duplicate the code and be careful not to forget anything (do tests!) DUplicate some code but execute background tasks that updates the related fields and executes other things (emails, indexing...) A "small" detail is we are 1.3 person in backend, for now ;)

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  • Checker AI in visual basic not working [on hold]

    - by Eugene Galkine
    I am trying to a make checkers in visual basic with ai. I am using the minimax algorithm (or at least what I understand of it) and it works, except the ai is retarded and plays like it is trying to loose and I tried to switch around the min and the max but the results are IDENTICAL. I am pissed of and have been trying to fix it for over a week now, I would really appreciate it if someone could help me out here. I have 3 years experience of programming (in Java, only about of month of VB experience) and I always am able to solve all my errors on my own so I don't know why I can't get this to work. The program is not at all optimized or anything at this point and is over 1.2K lines long, so here is the entire vb project instead: https://www.dropbox.com/sh/evii0jendn93ir2/9fntwH2dNW I would really appreciate any help I could get.

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  • So, what&rsquo;s your blog URL?

    - by johndoucette
    Asked by many of my colleagues often enough, I decided to take the plunge and begin blogging. After many attempts to start and long discussions about what I should write about, I decided to give my “buddies” a series of lessons and tidbits to help them understand what it takes to manage a software development project in the real world. Stories of success and failure to keep hope alive. I am formally trained as a developer (BS/CS) and have scattered my code throughout the matrix since 1985 (officially working for the man). As I moved from job-to-job over my career, I have had good managers, bad ones, and ones who were – well, just sitting in the corner office. It wasn't until I began the transition and commitment to the role of project management that I began to take real software development management seriously. A boss once told me “put down the code. Start managing the people and process.” That was a scary time in my career. I loved solving really cool problems with a blank sheet of paper. It was an adrenaline rush to get an opportunity to start from scratch and write an application solution people would actually use and help them in their work/business. I felt that moving into “management” would remove me from the thrill and ownership I felt as a developer. It was a hard step to take, and one which I believe is hard for any developer. Well, I am here to help you through this transition. For those of you wanting to read my stories or learn about the tools and techniques I use on a daily basis, you too might just learn something you would have never thought of as an architect/developer. I am currently a Sr. Consultant at Magenic with the Boston branch office and primarily work with clients in the New England area. I am typically engaged as the lead project manager on our engagements, but also perform Application Lifecycle Management (ALM) assessments for development organizations as well as augment the Technical Evangelists for Microsoft and perform many Team Foundation Server (TFS) demos, installs and “get started” engagements. I have spoken at the New England Code Camp, our most recent CodeMastery event in Boston, and have written several whitepapers.   I am looking forward to helping you “Put down the code.” John Doucette

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  • Objective C - Aggro with Images

    - by Will
    I have three UIImageViews. enemy1, enemy1AggroBox and mainSprite. What I want to do is when mainSprite and enemy1AggroBox interect, I want enemy1 to start moving towards mainSprite. Basically creating aggro for a game. if(CGRectIntersectsRect(mainSprite.frame, enemy1AggroBox.frame)){ //Code here// } My plan would be to call this method in viewDidLoad. I'm not using any sort of framework like cocos2d or OpenGLES. If you need to see any more code just ask.

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  • Updating a database connection password using a script

    - by Tim Dexter
    An interesting customer requirement that I thought was worthy of sharing today. Thanks to James for the requirement and Bryan for the proposed solution and me for testing the solution and proving it works :0) A customers implementation of Sarbanes Oxley requires them to change all database account passwords every 90 days. This is scripted leveraging shell scripts today for most of their environments. But how can they manage the BI Publisher connections? Now, the customer is running 11g and therefore using weblogic on the middle tier, which is the first clue to Bryans proposed solution. To paraphrase and embellish Bryan's solution a little; why not use a JNDI connection from BIP to the database. Then employ the web logic scripting engine to make updates to the JNDI as needed? BIP is completely uninvolved and with a little 'timing' users will be completely unaware of the password updates i.e. change the password when reports are not being executed. Perfect! James immediately tracked down the WLST script that could be used here, http://middlewaremagic.com/weblogic/?p=4261 (thanks Ravish) Now it was just a case of testing the theory. Some steps: Create the JNDI connection in WLS Create the JNDI connection in BI Publisher pointing to the WLS connection Build new data models using or re-point data sources to use the JNDI connection. Create the WLST script to update the WLS JNDI password as needed. Test! Some details. Creating the JNDI connection in web logic is pretty straightforward. Log into hte console and look for Data Sources under the Services section of the home page and click it Click New >> Generic Datasource Give the connection a name. For the JNDI name, prefix it with 'jdbc/' so I have 'jdbc/localdb' - this name is important you'll need it on the BIP side. Select your db type - this will influence the drivers and information needed on the next page. Being a company man, Im using an Oracle db. Click Next Select the driver of choice, theres lots I know, you can read about them I just chose 'Oracle's Driver (Thin) for Instance connections; Versions 9.0.1 and later' Click Next >> Next Fill out the db name (SID), server, port, username to connect and password >> Next Test the config to ensure you can connect. >> Next Now you need to deploy the connection to your BI server, select it and click Next. You're done with the JNDI config. Creating the JNDI connection on the Publisher side is covered here. Just remember to the connection name you created in WLS e.g. 'jdbc/localdb' Not gonna tell you how to do this, go read the user guide :0) Suffice to say, it works. This requires a little reading around the subject to understand the scripting engine and how to execute scripts. Nicely covered here. However a bit of googlin' and I found an even easier way of running the script. ${ServerHome}/common/bin/wlst.sh updatepwd.py Where updatepwd.py is my script file, it can be in another directory. As part of the wlst.sh script your environment is set up for you so its very simple to execute. The nitty gritty: Need to take Ravish's script above and create a file with a .py extension. Its going to need some modification, as he explains on the web page, to make it work in your environment. I played around with it for a while but kept running into errors. The script as is, tries to loop through all of your connections and modify the user and passwords for each. Not quite what we are looking for. Remember our requirement is to just update the password for a given connection. I also found another issue with the script. WLS 10.x does not allow updates to passwords using clear type ie un-encrypted text while the server is in production mode. Its a bit much to set it back to developer mode bounce it, change the passwords and then bounce and then change back to production and bounce again. After lots of messing about I finally came up with the following: ############################################################################# # # Update password for JNDI connections # ############################################################################# print("*** Trying to Connect.... *****") connect('weblogic','welcome1','t3://localhost:7001') print("*** Connected *****") edit() startEdit() print ("*** Encrypt the password ***") en = encrypt('hr') print "Encrypted pwd: ", en print ("*** Changing pwd for LocalDB ***") dsName = 'LocalDB' print 'Changing Password for DataSource ', dsName cd('/JDBCSystemResources/'+dsName+'/JDBCResource/'+dsName+'/JDBCDriverParams/'+dsName) set('PasswordEncrypted',en) save() activate() Its pretty simple and you can expand on it to loop through the data sources and change each as needed. I have hardcoded the password into the file but you can pass it as a parameter as needed using the properties file method. Im not going to get into the detail of that here but its covered with an example here. Couple of points to note: 1. The change to the password requires a server bounce to get the changes picked up. You can add that to the shell script you will use to call the script above. 2. The script above needs to be run from the MW_HOME\user_projects\domains\bifoundation_domain directory to get the encryption libraries set correctly. My command to run the whole script was: d:\oracle\bi_mw\wlserver_10.3\common\bin\wlst.cmd updatepwd.py - where wlst.cmd is the scripting command line and updatepwd.py was my update password script above. I have not quite spoon fed everything you need to make it a robust script but at least you know you can do it and you can work out the rest I think :0)

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  • Google I/O 2012 - Up Close and Personal: NFC and Android Beam

    Google I/O 2012 - Up Close and Personal: NFC and Android Beam Martijn Coenen, Robert Hamilton A session covering the developer-oriented NFC features we've been adding to the Android platform. Learn how to use Android Beam to add magic sharing abilities to your application, and see what other new and exciting NFC features we're working on. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 251 4 ratings Time: 01:03:13 More in Science & Technology

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  • Sarg Daily Report not generated

    - by Suleman
    Ubuntu 12.04 LTS Squid 3 Sarg 2.3.2 following is my crontab configuration # SHELL=/bin/sh PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin m h dom mon dow user command 25 6 * * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily ) 47 6 * * 7 root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly ) 52 6 1 * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly ) # this does not generate daily html report.

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  • Google Drive SDK: Writing your First App in Java

    Google Drive SDK: Writing your First App in Java During this session we'll show how to build a complete Java application that uses the Google Drive API to upload a file into the user's Drive account. If you follow along with the presentation, you can have a working Drive command-line application running by the end of the session. From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Science & Technology

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