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  • I am having trouble with my first project in ruby on rails

    - by Sebastian
    Here's my index action in the books controller: http://pastebin.com/XdtGRQKV Here's the view for the action i just mentioned: http://pastebin.com/nQFy400m Here's the result without being logged in: http://i.imgur.com/rQoiw.jpg Here's the result when i'm logged in with the user 'admin': http://i.imgur.com/E1CUr.jpg So the problem is that, in the view, before line 25 the 'user' variable seems to be empty ( or not loaded), and after line 25 the variable 'user' has the expected values. I have tried initializing a variable in the index method of the books controller but get exactly the same results. Thanks in advance! BTW had to make the links text because of stackoverflow limit.

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  • how can i make a dynamic drop down box in php?

    - by sebastian
    i need in an php file three drop down boxes or multiple select boxes. the entries from these boxes are in a mysql database. the single problem is that the entries in the thrid box depend on the second, and the entries in the second depend on the first. can someone help? know any examples?

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  • [Perl] Retrieve the reference

    - by Sebastian
    Hello, with the hash below, I would like the clients array's reference : my $this = { 'name' => $name, 'max_clients' => $max_clients, 'clients' => () }; I can't do "\$this{'clients'};" to retrieve the reference.

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  • Post to wall as Facebook App (not as a user)?

    - by Sebastian
    I need to obtain an access_token as an App, not as an admin or user. This is so that I can post/comment/like in a the style of "[ app name ] has commented on your post". The problem is that when I attempt to get an access token (which I do successfully), I'm getting one that is for me (the admin) because I'm logged in when I attempt to call: https://graph.facebook.com/oauth/authorize?client_id=[app id]&redirect_uri=[url]&scope=publish_stream,offline_access&type=user_agent&display=popup What is the process for getting an non-expiring access token AS an app, rather than an admin? Thanks in advance

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  • Attributes passed to .build() dont show up in the query

    - by Sebastian
    Hi there guys! Hope your all enjoying your hollydays. Ive run into a pretty funny problem when trying to insert rows into a really really simple database table. The basic idea is pretty simple. The user selects one/multiple users in a multiselect which are supposed to be added to a group. This piece of code will insert a row into the user_group_relationships table, but the users id always @group = Group.find(params[:group_id]) params[:newMember][:users].each do |uid| # For debugging purposes. puts 'Uid:'+uid @rel = @group.user_group_relationships.build( :user_id => uid.to_i ) @rel.save end The user id always gets inserted as null even though it is clearly there. You can see the uid in this example is 5, so it should work. Uid:5 ... SQL (0.3ms) INSERT INTO "user_group_relationships" ("created_at", "group_id", "updated_at", "user_id") VALUES ('2010-12-27 14:03:24.331303', 2, '2010-12-27 14:03:24.331303', NULL) Any ideas why this fails?

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  • What is a recommended Android utility class collection?

    - by Sebastian Roth
    I often find myself writing very similar code across projects. And more often than not, I copy stuff over from old projects. Things like: Create images with round corners read density into a static variable & re-use. 4 lines.. disable / hide multiple views / remote views at once. Example: } public static void disableViews(RemoteViews views, int... ids) { for (int id : ids) { views.setInt(id, SET_VISIBILITY, View.GONE); } } public static void showViews(RemoteViews views, int... ids) { for (int id : ids) { views.setInt(id, SET_VISIBILITY, View.VISIBLE); } } I'd love to package these kind of functions into 1 letter / 2 letter class names, i.e. V.showViews(RemoteViews views, int... ids) would be easy to write & remember I hope. I'm searching for Github recommendations, links and if nothing is found, I perhaps will start a small project on github to collect.

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  • MS 70-536 .NET Framework Foundation - info on Exam? Especially regex?

    - by Sebastian P.R. Gingter
    Hi, I know there are already some questions about this, but not that specific. I have the self-paced training kit and worked through the test exam tool that is on the CD coming with the book. I constantly fail on the test tool, mostly on the regex questions. I'm not a regex guru. In fact my regex-fu is more than weak. I know what regex'es are, how I can use them and where my 'Regular expressions - kurz und gut' book is in my drawer in case I really need them. And to be honest I feel like learning regex is a total waste of time, because if I need them I have either a colleague that is fit and can do them in just a few seconds or I need my book and get them right in a still fair amount of time. And from my experience I can tell that I need regex like once in two or three years. So just putting in a lot of time into learning just the expressions to pass the exam is.. something I like not to have to do. Can you tell me something about the real exam vs. the test exam tool on the book and about the need to know regex for passing it? Thank you for your time. Marked as Community Wiki. Hope that fits?

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  • How to declare and use the name of a function from a json object?

    - by Sebastian
    Hello, I have a json object collection of geo locations that I build in the server. Each of those objects has two properties: "marker" and "onClick". Marker is for storing a Google Maps marker object and the onClick stores the name of the function to be called when that marker is clicked on the map. When I'm pushing the location objects into an array using javascript in the client side, I create the markers and assign them to each location object within the array. My problem is that when I bind the marker with the onClick property, the function won't be found in the DOM and get an error. Is there a way to declare a property in a json object for using it on an event binding? Hope I could explain it clearly, if not, please let me know. Thanks!

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  • SQLAuthority News – Ahmedabad Tech Ed On Road June 11, 2011 – An Event to Remember – A Grand Success of Community Tech Days

    - by pinaldave
    I am very excited to announce the huge success of the Microsoft Community TechDays at Ahmedabad, on 11 June 2011.  The turn-out for this seminar was huge, and there was a great response from the audience.  In fact, the AMA where the conference was held can seat 275 people – but there were over 50 people standing, the event coordinators had to find 150 more chairs, and we even had to turn away 30 people at the door because there was just no more room.  This means that there were over 500 attendees! The event started right on time, at 10 am, with my introduction and welcome to the audience.  My presentation on my favorite subject of “SQL Server Performance Troubleshooting Using Waits and Queues.”  Because of the number of speakers, I had to cut my presentation short by 10 minutes, so I only had 50 minutes to explain how to use swaits and queues to fine tune performance.  There was a good response to my talk from audience. I feel the best presentation, though, was “HTML5 – Future of the Web” by Harish Vaidyanathan.  He explained how HTML5 is going to change the internet, and taught everyone a lot about how to best use Internet Explorer 9, and discussed CSS3, SVG and DOM specifications.  Many people in the audience came specifically for this session – many had to take a half day leave off work just to travel there. At this point we all took a break for lunch, but there was no one taking a nap with a full stomach because we had a presentation of the new Windows Mango phone from Dhananjay Kumar.  New technology like this always wakes everyone up! After this came “TSQL Worst Practices” by Jacob Sebastian.  He too had to cut his talk short by 10 minutes in order to accommodate everyone, but his discussion of what SQL queries to avoid was still excellent. He is magnificent presenter and Ahmedabad loves him. The final presentation was “ASP.NET Tips and Tricks” by Tejas Shah.  This was a good overview of asp.net fundamentals, and how to use them to improve application performance.  However, the day was not over here!  We kept the audience entertained with prizes and give-aways.  Names were drawn for prizes and there was a quiz session with great gifts for the winners. Overall, the day was a huge success.  There was a good mix of SQL and non-SQL subjects, and many audiences members commented on how much they learned.  We had a much bigger turn-out than expected – all the chairs were filled 45 minutes before we even started!  For our next conference we need to find a space that will hold everyone, especially since we are hoping to have 600-800 people attending.  We definitely feel we can reach this goal.  We are already looking forward to the next Ahmedabad Microsoft Community TechDays. Download presentations: HTML5 Beauty of Web -By Harish Vaidyanathan TSQL Worst Practices- By Jacob Sebastian SQL SERVER Performance troubleshooting using Waits and Queues -By Pinal Dave ASP.NET Tips and Tracks -By Tejas Shah Other reports: Tech-Ed on Road 2011- Ahmedabad–A great event- By Jalpesh Tech-Ed 2011 on the Road in Ahmedabad – by Ritesh Shah Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: About Me, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority Author Visit, SQLAuthority News, T SQL, Technology

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  • Ten Things I Wish I’d Known When I Started Using tSQLt and SQL Test

    The open-source Unit Test framework tSQLt is a great way of writing unit tests in the same language as the one being tested. In retrospect, after using tSQLt for a while, what are the 'gotchas'; those things that you'd have been better off knowing about before you get started? David Green lists a few tips he wished he'd read beforehand. Learn Agile Database Development Best PracticesAgile database development experts Sebastian Meine and Dennis Lloyd are running day-long classes designed to complement Red Gate’s SQL in the City US tour. Classes will be held in San Francisco, Chicago, Boston and Seattle. Register Now.

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  • SQLAuthority News – Community Tech Days – A SQL Legends in Ahmedabad – December 11, 2010

    - by pinaldave
    Ahmedabad is going to be fortunate city again on December 11. We are going to have SQL Server Legends present at the prestigious event of Community Tech Days in Ahmedabad. The venue details are as following: H K Hall, H K College Campus, Near Handloom House, Opp. Natraj Cinema, Ashram Road, Ahmedabad – 380009 Click here to Registration for the event. Agenda of the event is as following. 10:15am – 10:30am     Welcome – Pinal Dave 10:30am – 11:15am     SQL Tips and Tricks for .NET Developers by Jacob Sebastian 11:15am – 11:30am     Tea Break 11:30am – 12:15pm     Best Database Practice for SharePoint Server by Pinal Dave 12:15pm – 01:00pm     Self Service Business Intelligence by Rushabh Mehta 01:00pm – 02:00pm     Lunch 02:00pm – 02:45pm     Managing your future, Managing your time by Vinod Kumar 02:45pm – 03:30pm     Windows Azure News and Introducing Storage Services by Mahesh Devjibhai Dhola 03:30pm – 03:45pm     Tea Break 03:45pm – 04:30pm     Improve Silverlight application with Threads and MEF by Prabhjot Singh Bakshi 04:30pm – 04:45pm     Thank you – Mahesh Devjibhai Dhola Ahmedabad considers itself extremely fortunate when there are SQL Legends presenting on various subjects in front of community. Here is brief introduction about them in my own words. (Their names are in order of the agenda). 1) Jacob Sebastian (SQL Server MVP) – This person needs no introduction. Every developer and programmer in Ahmedabad and India knows him. He is the one man who is founder of various community-related ideas like SQL Challenges, SQL Quiz and BeyondRelational. He works with me on all the community-related activities; we are extremely good friends. 2) Rushabh Mehta (SQL Server MVP) – If you use SQL Server – you know this man. He is the President of SQL Server of Professional Association (PASS) and one of the leading Business Intelligence (BI) Experts renowned in the world. He has blessed Ahmedabad once before and now doing once again this year. 3) Vinod Kumar (Microsoft Evangelist – SQL Server & BI) – Ahmedabad remembers him very well. During his last visit to Ahmedabad, a fight had almost broke outside the hall amidst the rush to listen him. There were more people standing and listening to him than those who were seated. This is one man Ahmedabad will never forget. 4) and Myself. I will not rate myself in the league of abovementioned experts, but I must say that I am fortunate to have friends like those above. We also have two strong .NET presenters – Mahesh and Prabhjot. During this event, there will be plenty of giveaways, lots of fun, demos and pure technical talk, specifically no marketing and promotion – just pure technical talk. The most interesting part is that all the SQL Legends – Jacob, Rushabh and Vinod are for sure presenting on SQL Server but with a twist. Jacob – He is going to talk about .NET and SQL – Optimization Techniques Rushabh – He is going to talk about SQL and BI – Self Service BI Vinod – He is going to talk about professional development of developers – Managing Time Pinal – Best Practices for SharePoint Database Administrators – SharePoint DBA – I have presented this session earlier. I promise this event is going to be one of the best events held ever. You can read about the earlier event over here. ?Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: About Me, MVP, Pinal Dave, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority News, T SQL, Technology

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  • TSQL Quiz 2011 on beyondrelational.com

    - by Jalpesh P. Vadgama
    One of the my friend Jacob Sebastian running a SQL Server TSQL quiz on his site beyondrelational.com. This is a great opportunity to learn TSQL and win great price Like Apple IPad and other lots of cool stuff. So if you are expert and if you learning TSQL then its a great way to test your knowledge. For whole month of march selected quiz master will ask a question and you have to answer all this question day by day and at the end of month you will have great chance to win Apple Ipad. For more details you can visit following link: http://beyondrelational.com/quiz/SQLServer/TSQL/2011/default.aspx Hope you liked it.Stay tuned for more..

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  • SQL SERVER – SQLServer Quiz 2011 – Do you know your execution plan – Two questions – One Answer

    - by pinaldave
    My friend Jacob Sebastian has SQL Server Quiz 2011 launched. This time when he asked me to come up with quiz question – I wanted to come up with something which is new and make participant to think about it. After carefully thinking I come with question which I really like to solve myself. Here is the details: 1) Using Single table only Once in Single SELECT statement generate execution plan which have JOIN operator. Explain the reason for the same. 2) Using Single table only Once in Single SELECT statement generate execution plan which have parallelism operator. Explain the reason for the same. Bonus: Create a single query which satisfy both of the above statement. To answer this question and win exciting gifts please visit the SQL Server Quiz website. Reference: Pinal Dave (http://blog.SQLAuthority.com)   Filed under: Pinal Dave, PostADay, Readers Contribution, Readers Question, SQL, SQL Authority, SQL Puzzle, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, SQLServer, T SQL, Technology

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  • SQL SERVER – BI Quiz – Troubleshooting Cube Performance

    - by pinaldave
    My friend Jacob Sebastian runs SQL BI Quiz competition. Where there are 30 different questions on each day of the month. Winners get opportunity to participate in this Quiz, learn something new and win great awards. Working with huge data is very common when it is about Data Warehousing. It is necessary to create Cubes on the data to make it meaningful and consumable. There are cases when retrieving the data from cube takes lots of the time. Let us assume that your cube is returning you data very quickly. Suddenly on one day it is returning the data very slowly. What are the three things will you in order to diagnose this. After diagnose what you will do to resolve performance issue. Participate in my question over here Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Business Intelligence, Pinal Dave, PostADay, Readers Question, SQL, SQL Authority, SQL Performance, SQL Puzzle, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Upgrade Workshop in Melbourne - Recap

    - by Mike Dietrich
    Thanks to everybody who did attend at our Upgrade and Migration Workshop in Melbourne last Friday. First of all it was a Friday so we really appreciated your patience of staying until the very end And then, yes we know, it was a full room. And we'd really like to thank you It was a great day for Roy and me. And you were such a great crowd with many questions and excellent discussions during the breaks. Please have all successful upgrade and migrations. And feel free to get in touch directly with Roy and me if you have additional questions or if you'd like to become a reference. Please feel free to download the slides from the Slides Download section to your right - or simply use that link here. Ah, and sorry that neither Mark Webber nor Sebastian Vettel did win ... next time -Mike

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  • JAX Innovation Awards 2011

    - by Tori Wieldt
    The JAX Innovation Awards were presented tonight at the JAX Conference in San Jose, California, to reward those technologies, companies, organizations and individuals that make outstanding contributions to Java. The winners were:     •    Most Innovative Java Technology - JRebel    •    Most Innovative Java Company - Red Hat    •    Top Java Community Ambassador - Martin Odersky    •    Special Jury Award - Brian GoetzIn addition to being acknowledged best-in-class by peers from the Java community, winners received $2500 each. The JAXConf team took nominations from the community, had them reviewed by a panel of independent experts to create a shortlist, which was then voted on by the Java community."The java culture inspires innovation" said Sebastian Meyen, JAX Conference Chair, "and we are happy to reward that."  

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  • SQL Database Management Survey

    Win one of two $50 Amazon vouchers by entering our database management survey. We’re finding out more about how SQL database professionals are doing backup and recovery, using cloud services and more. Answer the short survey for a chance to win. Learn Agile Database Development Best PracticesAgile database development experts Sebastian Meine and Dennis Lloyd are running day-long classes designed to complement Red Gate’s SQL in the City US tour. Classes will be held in San Francisco, Chicago, Boston and Seattle. Register Now.

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  • Nokia s'apprête à vendre Qt à Digia, cet éditeur finlandais pourra asseoir son expertise dans le domaine de Qt

    Nokia vend sa division Qt à Digia Qui pourra asseoir son expertise dans le domaine de Qt Mise à jour du 07/03/11 Dernières nouvelles : Nokia revend la division Qt (certains diront qu'il s'en débarrasse) à Digia. Un accord vient d'être signé entre les deux firmes, Digia reprendra 3500 clients de Nokia. Rappelons que Nokia avait acheté Trolltech, société éditrice de Qt, en 2008. Ceci fait suite à la décision de Nokia de ne pas sortir de smartphone basé sur Symbian ou MeeGo, le dernier résultant de la fusion entre Maemo de Nokia et Moblin d'Intel, et de se baser exclusivement sur Windows Phone 7. Sebastian Nyström, vice président de Nokia, Applic...

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  • Do you know SqlServer ? Do you want an iPad ?

    - by Dave Ballantyne
    If you’ve answered yes to both of those questions , Jacob Sebastian has some more question for you. Every day in March there is a different question set by a SqlServer community notable member. At the end of the month the answers will be judged, scored and tallied.  The person with the most points will be the proud owner of a shiny new iPad.  Numerou What could be easier ? So what are you waiting for ? Get over to http://beyondrelational.com/quiz/SQLServer/TSQL/2011/default.aspx and give it a go.

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  • C++ template-function -> passing a template-class as template-argument

    - by SeMa
    Hello, i try to make intensive use of templates to wrap a factory class: The wrapping class (i.e. classA) gets the wrapped class (i.e. classB) via an template-argument to provide 'pluggability'. Additionally i have to provide an inner-class (innerA) that inherits from the wrapped inner-class (innerB). The problem is the following error-message of the g++ "gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5)": sebastian@tecuhtli:~/Development/cppExercises/functionTemplate$ g++ -o test test.cpp test.cpp: In static member function ‘static classA<A>::innerA<iB>* classA<A>::createInnerAs(iB&) [with iB = int, A = classB]’: test.cpp:39: instantiated from here test.cpp:32: error: dependent-name ‘classA::innerA<>’ is parsed as a non-type, but instantiation yields a type test.cpp:32: note: say ‘typename classA::innerA<>’ if a type is meant As you can see in the definition of method createInnerBs, i intend to pass a non-type argument. So the use of typename is wrong! The code of test.cpp is below: class classB{ public: template < class iB> class innerB{ iB& ib; innerB(iB& b) :ib(b){} }; template<template <class> class classShell, class iB> static classShell<iB>* createInnerBs(iB& b){ // this function creates instances of innerB and its subclasses, // because B holds a certain allocator return new classShell<iB>(b); } }; template<class A> class classA{ // intention of this class is meant to be a pluggable interface // using templates for compile-time checking public: template <class iB> class innerA: A::template innerB<iB>{ innerA(iB& b) :A::template innerB<iB>(b){} }; template<class iB> static inline innerA<iB>* createInnerAs(iB& b){ return A::createInnerBs<classA<A>::template innerA<> >(b); // line 32: error occurs here } }; typedef classA<classB> usable; int main (int argc, char* argv[]){ int a = 5; usable::innerA<int>* myVar = usable::createInnerAs(a); return 0; } Please help me, i have been faced to this problem for several days. Is it just impossible, what i'm trying to do? Or did i forgot something? Thanks, Sebastian

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  • Replace Placeholders in word document with c#

    - by Xelluloid
    Hi there, I have a template in word (.docx) format and want to replace some placeholders in this template with my own data, do you know where I can find the right classes for this project? It would be nice for me to know the namespace. Are there any newer classes for handling word documents in the docx format (xml) than the com classes? Thank you for all your answers, I hope someone can help me with my problem. greets Sebastian

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  • Exclude a string from wildcard search in a shell

    - by steigers
    Hello everybody I am trying to exclude a certain string from a file search. Suppose I have a list of files: file_Michael.txt, file_Thomas.txt, file_Anne.txt. I want to be able and write something like ls *<and not Thomas>.txt to give me file_Michael.txt and file_Anne.txt, but not file_Thomas.txt. The reverse is easy: ls *Thomas.txt Doing it with a single character is also easy: ls *[^s].txt But how to do it with a string? Sebastian

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  • Web Search API for Java

    - by MadSeb
    Hi, I need a Java library for doing web searches ( any search engine is good ). I should be able to to write code such as: WebSearch search = new WebSearch("Apple"); System.Out.Println("Results = " + search.Results.Count); Does such a library/API exist ? Regards, Sebastian

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  • Convert file to html table with PERL

    - by user329313
    Hi everyone, I am trying to write a simple Perl CGI script that: -runs a CLI script -reads the resulting .out file and converts the data in the file to an HTML table. Here is some sample data from the .out file: 10.255.202.1 2472327594 1720341 10.255.202.21 2161941840 1484352 10.255.200.0 1642646268 1163742 10.255.200.96 1489876452 1023546 10.255.200.26 1289738466 927513 10.255.202.18 1028316222 706959 10.255.200.36 955477836 703926 Any help would be much appreciated. -Sebastian

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