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  • Strategy for clients to retrieve real-time log from HTTP server

    - by Jerry Dodge
    I have an HTTP Server Service application which has its own logging mechanism. It's written in Delphi. I would like to provide a way for multiple clients to connect to this service and get a real-time update of the log. The log in the service moves rather fast, there's a lot of things to log. There may be up to 50 messages within 1 second at times. The existing log which is already implemented is not saved, it's only kept in the memory of the server service - where I will need to distribute it to any client which needs it. Once all clients have a log message, it should be deleted. I intend to use HTTP to "ask" the server for the log, and respond with an XML packet. The connections are not keep-alive. The only problem is, the server should only send the client those log records which it needs, not everything. I have no way of the server pushing the log to the clients in real-time, so each client needs to repeatedly ask the server for the latest log records. This HTTP Server is very lightweight, and there is no session management. There isn't even any type of authentication. The only way I see is for a client to register its self on the server, and whenever a log is issued on the server, it creates a copy of the log for each client, where each client has a log queue (string list). However, suppose there are 100 clients connected and expecting to receive this log. That means the server must create 100 copies of each log, add this log to the end of each client log queue, and wait for the client to request it. At that point, when the server replies with the XML log, it should flush (delete) whatever's in the queue. I'm worried however that this could cause memory issues. Each client log queue might get 100 log messages before the client requests the latest logs. How should I go about doing this in the fastest way possible without hindering the performance of the server? I'm trying to avoid having to create a copy of each log for each client.

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  • Returning Value of Radio Button Jquery [migrated]

    - by Jerry Walker
    I am trying to figure out why, when I run this code, I am getting undefined for my correct answers. $(document).ready (function () { // var answers = [["Fee","Fi","Fo"], ["La","Dee","Da"]], questions = ["Fee-ing?", "La-ing?"], corAns = ["Fee", "La"]; var counter = 0; var $facts = $('#main_ .facts_div'), $question = $facts.find('.question'), $ul = $facts.find('ul'), $btn = $('.myBtn'); $btn.on('click', function() { if (counter < questions.length) { $question.text(questions[counter]); var ansstring = $.map(answers[counter], function(value) { return '<li><input type="radio" name="ans" value="0"/>' + value + '</li>'}).join(''); $ul.html(ansstring); var currentAnswers = $('input[name="ans"]:checked').map(function() { return this.val(); }).get(); var correct = 0; if (currentAnswers[counter]==corAns[counter]) { correct++; } } else { $facts.text('You are done with the quiz ' + correct); $(this).hide(); } counter++; }); // }); It is quite long and I'm sorry about that, but I don't really know how tostrip it down. I also realize this isn't the most elegant way to do this, but I just want to know why I can't seem to get my radio values. I will add the markup as well if anyone wants.

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  • Announcing the ASP.NET MVC 3 Release Candidate

    In this article, Scott provides a detailed overview of the features included with ASP.NET MVC 3 Release Candidate. He examines some of the key features such as Razor Intellisense within Visual Studio, NuGet Package Manager, Partial Page Output Caching, Unobtrusive JavaScript and Validation, Remote Validator and Granular Request Validation. He also provides the links to the PDC Talk rendered by Scott Hanselman regarding ASP.NET MVC 3 including new improvements shipped with the ASP.NET MVC 3 Release Candidate.

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  • Which web site gives the most accurate indication of a programmer's capabilities?

    - by Jerry Coffin
    If you were hiring programmers, and could choose between one of (say) the top 100 coders on topcoder.com, or one of the top 100 on stackoverflow.com, which would you choose? At least to me, it would appear that topcoder.com gives a more objective evaluation of pure ability to solve problems and write code. At the same time, despite obvious technical capabilities, this person may lack any hint of social skills -- he may be purely a "lone coder", with little or no ability to help/work with others, may lack mentoring ability to help transfer his technical skills to others, etc. On the other hand, stackoverflow.com would at least appear to give a much better indication of peers' opinion of the coder in question, and the degree to which his presence and useful and helpful to others on the "team". At the same time, the scoring system is such that somebody who just throws up a lot of mediocre (or even poor answers) will almost inevitably accumulate a positive total of "reputation" points -- a single up-vote (perhaps just out of courtesy) will counteract the effects of no fewer than 5 down-votes, and others are discouraged (to some degree) from down-voting because they have to sacrifice their own reputation points to do so. At the same time, somebody who makes little or no technical contribution seems unlikely to accumulate a reputation that lands them (even close to) the top of the heap, so to speak. So, which provides a more useful indication of the degree to which this particular coder is likely to be useful to your organization? If you could choose between them, which set of coders would you rather have working on your team?

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  • TeamSpeak3 libraries

    - by Scott
    I've downloaded the TeamSpeak 3 server from their official website (it's 64 bit, as my dedicated server is 64 bit too). This is what I get,when I'm trying to run the server: Starting the TeamSpeak 3 server TeamSpeak 3 server started, for details please view the log file /libexec/ld-elf.so.1: scott# /lib/libiconv.so.3: unsupported file layout Whats wrong? /libexec/ld-elf.so.1 exists, same as the second one, is there any solution for that?

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  • TeamSpeak3 libraries

    - by Scott
    I've downloaded the TeamSpeak 3 server from their official website (it's 64 bit, as my dedicated server is 64 bit too). This is what I get,when I'm trying to run the server: Starting the TeamSpeak 3 server TeamSpeak 3 server started, for details please view the log file /libexec/ld-elf.so.1: scott# /lib/libiconv.so.3: unsupported file layout Whats wrong? /libexec/ld-elf.so.1 exists, same as the second one, is there any solution for that?

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  • Oracle Text????~????????????????????????

    - by Yuichi Hayashi
    Oracle Text?? ????????????????????????????????????? ??????????????????????????????????????? ??????????????????????????????? Oracle Text ????????????????? ????? Oracle Text ??Oracle Database ????????????????????? Oracle Text ????????????????·?????????????? ???Edition???????? - Oracle Database Enterprise Edition(EE) - Oracle Database Standard Edition(SE) - Oracle Database Standard Edition One - Oracle Database Express Edition(XE) ?????? Oracle ??????? Database Configuration Assistant(DBCA)?????????????Oracle Text ?????????????????? ??????????????????????????????? ???????????????????(?????)????????????????????????????????? ?????????????????????????????????????? (1) ~ (4)???????????????????? (1) ????? Oracle Text???????(ctxsys)???????????????(????? SCOTT)???? CTXAPP?????????? SQL connect ctxsys/ SQL grant ctxapp to scott; (2) ???? ? ?????? SQL connect scott/tiger SQL create table test ( 2 id number primary key, 3 text varchar2(80) ); SQL insert into test ( id, text ) values ( 1, 'The cat sat on the mat' ); SQL insert into test ( id, text ) values ( 2, 'The dog barked like a dog' ); SQL insert into test ( id, text ) values ( 3, '??????????' ); SQL commit; (3) ???????(??) ??????????????????? ?????????: test_lexer ???????? JAPANESE_VGRAM_LEXER????????? SQL connect scott/tiger SQL execute ctx_ddl.create_preference('test_lexer','JAPANESE_VGRAM_LEXER'); ???? ???? OracleText???????????????????????????????????????????????????? ???? ???????????????????? ??????????????????????????????????? ??????? - JAPANESE_VGRAM_LEXER:????2???????????????????? - JAPANESE_LEXER (Oracle Text 9.0.1???????):???????????????????????????? ??????? ????????????????????????????????????????????????????????????? (4) ????????? TEST?????????????????? SQL create index test_idx on test ( text ) 2 indextype is ctxsys.context 3 parameters ('lexer test_lexer'); (5) ????????? "??"?????????????????? SQL col text for a30 SQL select id, text from test 2 where contains ( text, '??') 0; ID TEXT ---------- ------------------------------ 3 ?????????? ¦???? ???????/???Oracle Text ?? ????????Oracle Text ????

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  • Python unittest (using SQLAlchemy) does not write/update database?

    - by Jerry
    Hi, I am puzzled at why my Python unittest runs perfectly fine without actually updating the database. I can even see the SQL statements from SQLAlchemy and step through the newly created user object's email -- ...INFO sqlalchemy.engine.base.Engine.0x...954c INSERT INTO users (user_id, user_name, email, ...) VALUES (%(user_id)s, %(user_name)s, %(email)s, ...) ...INFO sqlalchemy.engine.base.Engine.0x...954c {'user_id': u'4cfdafe3f46544e1b4ad0c7fccdbe24a', 'email': u'[email protected]', ...} > .../tests/unit_tests/test_signup.py(127)test_signup_success() -> user = user_q.filter_by(user_name='test').first() (Pdb) n ...INFO sqlalchemy.engine.base.Engine.0x...954c SELECT users.user_id AS users_user_id, ... FROM users WHERE users.user_name = %(user_name_1)s LIMIT 1 OFFSET 0 ...INFO sqlalchemy.engine.base.Engine.0x...954c {'user_name_1': 'test'} > .../tests/unit_tests/test_signup.py(128)test_signup_success() -> self.assertTrue(isinstance(user, model.User)) (Pdb) user <pweb.models.User object at 0x9c95b0c> (Pdb) user.email u'[email protected]' Yet at the same time when I login to the test database, I do not see the new record there. Is it some feature from Python/unittest/SQLAlchemy/Pyramid/PostgreSQL that I'm totally unaware of? Thanks. Jerry

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  • App crashes after a few seconds

    - by Declan Scott
    when i launch my app, on trying to do something, it will crash after a couple of seconds. I have warnings of warning: incorrect implementation of "downloadTextViewCOntroller. I also have "method definiton for -timerFinished not found and"method definiton for -timerFinished not found" this is my .m plese help me. the .h is also t the bottom // // downloadTextViewController.m // downloadText // // Created by Declan Scott on 18/03/10. // Copyright MyCompanyName 2010. All rights reserved. // #import "downloadTextViewController.h" @implementation downloadTextViewController @synthesize start; -(IBAction)tapit { start.hidden = YES; } -(void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration { if (fabsf(acceleration.x) 2.0 || fabsf(acceleration.y) 2.0 || fabsf(acceleration.z) 2.0) { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:nil message:@"This app was developed by Declan Scott and demonstrates NSURLConnection and NSMutableData" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alert show]; [alert release]; } } (NSString *) saveFilePath { NSArray *pathArray = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); return [[pathArray objectAtIndex:0] stringByAppendingPathComponent:@"savedddata.plist"]; } (void)applicationWillTerminate:(UIApplication *)application { NSArray *values = [[NSArray alloc] initWithObjects:textView.text,nil]; [values writeToFile:[self saveFilePath] atomically:YES]; [values release]; } (void)viewDidLoad { UIAccelerometer *accelerometer = [UIAccelerometer sharedAccelerometer]; accelerometer.delegate = self; accelerometer.updateInterval = 1.0f/60.0f; NSString *myPath = [self saveFilePath]; NSLog(myPath); BOOL fileExists = [[NSFileManager defaultManager] fileExistsAtPath:myPath]; if (fileExists) { NSArray *values = [[NSArray alloc] initWithContentsOfFile:myPath]; textView.text = [values objectAtIndex:0]; [values release]; } // notification UIApplication *myApp = [UIApplication sharedApplication]; // add yourself to the dispatch table [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationWillTerminate:) name:UIApplicationWillTerminateNotification object:myApp]; [super viewDidLoad]; } // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (IBAction)fetchData { loadingAlert = [[UIAlertView alloc] initWithTitle:@"Loading…\n\n\n\n" message:nil delegate:self cancelButtonTitle:@"Cancel Timer" otherButtonTitles:nil]; [loadingAlert show]; UIActivityIndicatorView *activityView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite]; activityView.frame = CGRectMake(139.0f-18.0f, 60.0f, 37.0f, 37.0f); [loadingAlert addSubview:activityView]; [activityView startAnimating]; timer = [NSTimer scheduledTimerWithTimeInterval:10.0f target:self selector:@selector(timerFinished) userInfo:nil repeats:NO]; NSURLRequest *downloadRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://simpsonatyapps.com/exampletext.txt"] cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:1.0]; NSURLConnection *downloadConnection = [[NSURLConnection alloc] initWithRequest:downloadRequest delegate:self]; if (downloadConnection) downloadedData = [[NSMutableData data] retain]; else { // Error } } (void)connection:(NSURLConnection *)downloadConnection didReceiveData:(NSData *)data { [downloadedData appendData:data]; NSString *file = [[NSString alloc] initWithData:downloadedData encoding:NSUTF8StringEncoding]; textView.text = file; // get rid of alert [loadingAlert dismissWithClickedButtonIndex:-1 animated:YES]; [loadingAlert release]; /// add badge [[UIApplication sharedApplication] setApplicationIconBadgeNumber:1]; } (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } (void)viewDidUnload { // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } (void)dealloc { [super dealloc]; } (NSCachedURLResponse *)connection:(NSURLConnection *)connection willCacheResponse:(NSCachedURLResponse *)cachedResponse { return nil; } @end // // downloadTextViewController.h // downloadText // // Created by Declan Scott on 18/03/10. // Copyright MyCompanyName 2010. All rights reserved. // import @interface downloadTextViewController : UIViewController { IBOutlet UITextView *textView; NSMutableData *downloadedData; UIAlertView *loadingAlert; NSTimer *timer; IBOutlet UIButton *start; } - (IBAction)fetchData; - (IBAction)tapIt; - (void)timerFinished; @property (nonatomic, retain) UIButton *start; @end

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  • Is there an IDE that can simplify the process of creating a game matchmaking website?

    - by Scott
    Yes, I'm an old guy. And I'm well versed in "C" and have written several games which I have been selling on the web for a number of years. And now, I would like to adapt one of my games to be "online". Sounds simple. I'm sure I can use the thousands of lines of "C" code that I've already written. Right? So my initial investigation begins. First, I think I'll need a server program that lives on a dedicated server (or a VPS probably) that talks to a bunch of client applications that live on individual devices around the world. I can certainly handle that! (I think to myself). I'll break up my existing game into two pieces, a client piece that is just the game displays and buttons, and a server piece that does everything else. Piece of cake, right? But that means that the "server piece" must be executed on a remote machine somewhere and run 24/7. Can I do that? [apparently, that question is so basic, so uneducated, and so lame, that nobody has ever posed it before. Because hours of Googling does not yield an answer. Fine. I'll assume I can do that and move on.] I'll need a "game room", which to me means a website where you log in and then go to a lobby of some kind where you can setup your preferences, see if any of your friends are connected, and create or join games. Should be easy, but it's not. No way. Can I do all this with my local website builder? (which happens to be 90 Second Website Builder, a nice product, btw). It turns out, I can not. I can start with that, but must modify each page, so I can interact with my sql database. So I begin making each page a "PHP" page and dynamically modifying the HTML code with PHP code. I'm already starting to get a headache. Because the resulting web pages looked terrible, I began looking at using JQuery. I want to user a JQuery dialog on my website to display a list of friends and allow the user to select one to invite to the game. [google search for "how to populate a JQuery dialog from a sql database" yields nothing but more confusion.] Javascript? Java? HTML? XML? HTML5? PHP? JQuery? Flash? Sockets? Forms? CSS? Learning about each one of these, and how they interact with each other and/or depend on each other is too much for my feeble old brain. Can anyone simplify this process for me? Is there an IDE that will help me do all this without having to go back to college for a few years? Thanks, Scott

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  • IIS7 failover cluster across datacenters

    - by Scott
    Hello, I have servers in two different datacenters with each datacenter getting static IPs. What I would like to do is setup the servers as IIS7 servers and allowing them to failover from datacenter to datacenter with little (or preferably) no interruption. Servers on both sides are running Windows Server 2008 x64 with IIS7 (or 7.5 if needed). I am interested in how to point DNS traffic to the new datacenter without manual human intervention. For example: Datacenter A: IP: 192.168.1.115 Servers: Server 2008 x64 w/ IIS 7 Datacenter B: IP: 192.168.1.220 Servers: Server 2008 x64 w/ IIS 7 Other information: Domain Name: Example.org Domain DNS: 192.168.1.115 If Datacenter A connectivity went down (broken service line, etc.) how does the traffic know to route to Datacenter B on 192.168.1.220? Thanks, Scott

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  • windows server 2012 remote desktop - Send messages between standard users

    - by Scott Kramer
    Does anyone know the policy, or registry change, etc. for allowing messages (on the same server) between standard users... an elevated cmd prompt or task manager works of course... but need it to work on standard accounts. H:\>msg scott hi Error sending message to session RDP-Tcp#0 : Error 5 Error [5]:Access is denied. (This is windows server 2012) Also I recall setting something on server 2008 r2, but just can't remember what it was, so it can be done-- Thanks!

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  • How to enable customers to use their own domain for sites hosted by me [closed]

    - by Scott
    I am thinking of running a self-site builder. But was wondering how would I allow customers to use their own domains that they already own. Is that even possible? Let's say my site is www.bestsitebuildingwebsite.com and each customer has urls like this www.bestsitebuildingwebsite.com/frances www.bestsitebuildingwebsite.com/eden www.bestsitebuildingwebsite.com/john And a customer has a domain called widgets.com Is it actually possible domain widgets.com to go to my site somehow and have HASHES on the URL still work (my site makes use of hashes for AJAX queries). And their site still have good SEO with Google? Thanks Scott

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  • Joomla 1.5 Media Manager sets incorrect file permissions when uploading

    - by Scott Mayfield
    Howdy all, I have a Joomla 1.5 installation running on Windows Server 2008, installed via the Web Platform Installer. When uploading images with the media manager (native uploader, not the flash bulk uploader), the files arrive on the server correctly, but are given incorrect permissions. Specifically, the IIS_IUSRS group is not given access to the file. I might be incorrect about what group/user is SUPPOSED to get access to the files, but so far, I've found that unless I give IIS_IUSRS access to the uploaded files, they won't appear on the site or in the media manager (appear as broken images). Once I give IIS_IUSRS permission to the files, they work fine. So far, all the research I've done has led me to linux specific fixes that involve either changing the umask on the server, or directly modifying the Joomla codebase to add an appropriate chmod command to the upload process, but I really don't want to modify Joomla directly. I have to believe there's a setting here somewhere that will do the job, either on the Joomla or Windows side of the equation. Any thoughts? Scott

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  • Joomla 1.5 Media Manager sets incorrect file permissions when uploading

    - by Scott Mayfield
    Howdy all, I have a Joomla 1.5 installation running on Windows Server 2008, installed via the Web Platform Installer. When uploading images with the media manager (native uploader, not the flash bulk uploader), the files arrive on the server correctly, but are given incorrect permissions. Specifically, the IIS_IUSRS group is not given access to the file. I might be incorrect about what group/user is SUPPOSED to get access to the files, but so far, I've found that unless I give IIS_IUSRS access to the uploaded files, they won't appear on the site or in the media manager (appear as broken images). Once I give IIS_IUSRS permission to the files, they work fine. So far, all the research I've done has led me to linux specific fixes that involve either changing the umask on the server, or directly modifying the Joomla codebase to add an appropriate chmod command to the upload process, but I really don't want to modify Joomla directly. I have to believe there's a setting here somewhere that will do the job, either on the Joomla or Windows side of the equation. Any thoughts? Scott

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  • Joomla 1.5 Media Manager sets incorrect file permissions when uploading

    - by Scott Mayfield
    Howdy all, I have a Joomla 1.5 installation running on Windows Server 2008, installed via the Web Platform Installer. When uploading images with the media manager (native uploader, not the flash bulk uploader), the files arrive on the server correctly, but are given incorrect permissions. Specifically, the IIS_IUSRS group is not given access to the file. I might be incorrect about what group/user is SUPPOSED to get access to the files, but so far, I've found that unless I give IIS_IUSRS access to the uploaded files, they won't appear on the site or in the media manager (appear as broken images). Once I give IIS_IUSRS permission to the files, they work fine. So far, all the research I've done has led me to linux specific fixes that involve either changing the umask on the server, or directly modifying the Joomla codebase to add an appropriate chmod command to the upload process, but I really don't want to modify Joomla directly. I have to believe there's a setting here somewhere that will do the job, either on the Joomla or Windows side of the equation. Any thoughts? Scott

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  • How could I find out the path to the current desktop image, for Windows 8

    - by Scott Bennett-McLeish
    Having recently upgraded to Windows 8, my script to retrieve the current desktop wallpaper image has broken. For Windows 7, How could I find out the path to the current desktop image?, this works great. However, that registry key now always contains C:\Windows\web\wallpaper\Windows\img0.jpg What is the new registry key used for Windows 8? I've found two possible solutions. Firstly, this key contains what looks like a Base64 encoded path: HKCU/Software/Microsoft/Windows/CurrentVersion/Explorer/Wallpapers/Images/ID2 And then there is the "custom theme properties file" which also contains a "[SlideShow]" section which looks like Base64: C:\Users\Scott\AppData\Local\Microsoft\Windows\Themes\Custom.theme

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  • Joomla 1.5 Media Manager sets incorrect file permissions when uploading

    - by Scott Mayfield
    Howdy all, I have a Joomla 1.5 installation running on Windows Server 2008, installed via the Web Platform Installer. When uploading images with the media manager (native uploader, not the flash bulk uploader), the files arrive on the server correctly, but are given incorrect permissions. Specifically, the IIS_IUSRS group is not given access to the file. I might be incorrect about what group/user is SUPPOSED to get access to the files, but so far, I've found that unless I give IIS_IUSRS access to the uploaded files, they won't appear on the site or in the media manager (appear as broken images). Once I give IIS_IUSRS permission to the files, they work fine. So far, all the research I've done has led me to linux specific fixes that involve either changing the umask on the server, or directly modifying the Joomla codebase to add an appropriate chmod command to the upload process, but I really don't want to modify Joomla directly. I have to believe there's a setting here somewhere that will do the job, either on the Joomla or Windows side of the equation. Any thoughts? Scott

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  • DevDays ‘00 The Netherlands day #1

    - by erwin21
    First day of DevDays 2010, I was looking forward to DevDays to see all the new things like VS2010, .NET4.0, MVC2. The lineup for this year is again better than the year before, there are 100+ session of all kind of topics like Cloud, Database, Mobile, SharePoint, User experience, Visual Studio, Web. The first session of the day was a keynote by Anders Hejlsberg he talked about the history and future of programming languages. He gave his view about trends and influences in programming languages today and in the future. The second talk that i followed was from the famous Scott Hanselman, he talked about the basics of ASP.NET MVC 2, although it was a 300 level session, it was more like a level 100 session, but it was mentioned by Scott at the beginning. Although it was interesting to see all the basic things about MVC like the controllers, actions, routes, views, models etc. After the lunch the third talk for me was about moving ASP.NET webform applications to MVC from Fritz Onion. In this session he changed an example webform application part by part to a MVC application. He gave some interesting tips and tricks and showed how to solve some issues that occur while converting. Next and the fourth talk was about the difference between LINQ to SQL and  the ADO.NET  Entity Framework from Kurt Claeys. He gave a good understanding about this two options, the demos where in LINQ to SQL and the Entity Framework, the goal was to get a good understanding when and where to use both options. The last talk about this day was also from Scott Hanselman, he goes deeper into the features of ASP.NET MVC 2 and gave some interesting tips, the ninja black belt tips. He gave some tips about the tooling, the new MVC 2 html helper methods, other view engines (like NHaml, spark),T4 templating. With this tips we can be more productive and create web applications better and faster. It was a long and interesting day, I am looking forward to day #2.

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  • ODI 11g – How to override SQL at runtime?

    - by David Allan
    Following on from the posting some time back entitled ‘ODI 11g – Simple, Powerful, Flexible’ here we push the envelope even further. Rather than just having the SQL we override defined statically in the interface design we will have it configurable via a variable….at runtime. Imagine you have a well defined interface shape that you want to be fulfilled and that shape can be satisfied from a number of different sources that is what this allows - or the ability for one interface to consume data from many different places using variables. The cool thing about ODI’s reference API and this is that it can be fantastically flexible and useful. When I use the variable as the option value, and I execute the top level scenario that uses this temporary interface I get prompted (or can get prompted to be correct) for the value of the variable. Note I am using the <@=odiRef.getObjectName("L","EMP", "SCOTT","D")@> notation for the table reference, since this is done at runtime, then the context will resolve to the correct table name etc. Each time I execute, I could use a different source provider (obviously some dependencies on KMs/technologies here). For example, the following groovy snippet first executes and the query uses SCOTT model with EMP, the next time it is from BOB model and the datastore OTHERS. m=new Properties(); m.put("DEMO.SQLSTR", "select empno, deptno from <@=odiRef.getObjectName("L","EMP", "SCOTT","D")@>"); s=new StartupParams(m); runtimeAgent.startScenario("TOP", null, s, null, "GLOBAL", 5, null, true); m2=new Properties(); m2.put("DEMO.SQLSTR", "select empno, deptno from <@=odiRef.getObjectName("L","OTHERS", "BOB","D")@>"); s2=new StartupParams(m); runtimeAgent.startScenario("TOP", null, s2, null, "GLOBAL", 5, null, true); You’ll need a patch to 11.1.1.6 for this type of capability, thanks to my ole buddy Ron Gonzalez from the Enterprise Management group for help pushing the envelope!

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  • Review: Data Modeling 101

    I just recently read “Data Modeling 101”by Scott W. Ambler where he gave an overview of fundamental data modeling skills. I think this article was excellent for anyone who was just starting to learn or refresh their skills in regards to the modeling of data.  Scott defines data modeling as the act of exploring data oriented structures.  He goes on to explain about how data models are actually used by defining three different types of models. Types of Data Models Conceptual Data Model  Logical Data Model (LDMs) Physical Data Model(PDMs) He further expands on modeling by exploring common data modeling notations because there are no industry standards for the practice of data modeling. Scott then defines how to actually model data by expanding on entities, attributes, identities, and relationships which are the basic building blocks of data models. In addition he discusses the value of normalization for redundancy and demoralization for performance. Finally, he discuss ways in which Developers and DBAs can become better data modelers through the use of practice, and seeking guidance from more experienced data modelers.

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  • SQL*Plus??? - ?????????1??????(????? ???Tips-1)

    - by Yuichi.Hayashi
    ??????????SQL*Plus????3?????????????? ????????????????????????????????????????2??????????????????????????????????????????????? ??????????????????1????????????????????? ??1:SQL*Plus?-l?????????? ?????????????????SQL*Plus?-l???????????????? <-l ??????????????> $ sqlplus scott/cat SQL*Plus: Release 11.2.0.1.0 Production on ? 12? 22 15:15:11 2010 Copyright (c) 1982, 2009, Oracle. All rights reserved. ERROR: ORA-01017: invalid username/password; logon denied ??????????????: <-l ???????????????> $ sqlplus -l scott/cat SQL*Plus: Release 11.2.0.1.0 Production on ? 12? 22 15:18:55 2010 Copyright (c) 1982, 2009, Oracle. All rights reserved. ERROR: ORA-01017: invalid username/password; logon denied SP2-0751: Oracle????????????SQL*Plus??????? $ ????????-l??????????????????????????????????SQL*Plus?????????????????? ??2:/nolog??????????? ?????/nolog??????????????SQL???????connect???????????????????? connect????????????????????????exit??????????????????SQL??????SP2-0640: ??????????????????????? $ sqlplus /nolog SQL*Plus: Release 11.2.0.1.0 Production on ? 12? 22 15:46:53 2010 Copyright (c) 1982, 2009, Oracle. All rights reserved. SQL conn scott/cat ERROR: ORA-01017: invalid username/password; logon denied SQL select sysdate from dual; SP2-0640: ?????????? SQL SQL exit $ (Written by Hiroyuki Nakaie)

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  • Sharing $_SESSION varaibles across subdomains using PHP

    - by scott
    Hi, I am trying to share the contents of the session variable across two subdomains but for some reason it is not working. The sessionid is exactly the same on both subdomains but the variables aren't available. I can achieve this with Cookies and this s working but would rather use the values in the session. Here is how I setting the domain for the session: Thanks, Scott

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  • How does one calculate CPU utilization programmatically ?

    - by Scott Davies
    Hi, I have a benchmarking program that calculates the time (in milliseconds and ticks), for a persistance to Entity Framework 4.0. Is there a way to calculate CPU load ? I am guessing that I would need to query Windows to find out my CPU frequency, how many cores, etc. Does this sound right ? If so, what part of the .NET framework relates to querying the system ? I am guessing System.Diagnostics ? Thanks, Scott

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