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  • Viable development for iPhone after 3.3.1 change?

    - by Kevin
    With the latest changes to the developer agreement by Apple, how inherant is the risk of using any kind of framework to develop Apps for devices now? Should shops risk using things like MonoTouch, Three20, Appcelerator since this change? How are some iPhone/iPad developers here handling it? http://www.pcworld.com/article/193916/apples_new_iphone_app_policy_unreasonable_and_unjustifiable.html http://www.wired.com/gadgetlab/2010/04/iphone-flash-policy-steve-jobs/ http://37signals.com/svn/posts/2273-five-rational-arguments-against-apples-331-policy

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  • Msysgit bash is horrendously slow in Windows 7

    - by Kevin L.
    I love git and use it on OS X pretty much constantly at home. At work, we use svn on Windows, but want to migrate to git as soon as the tools have fully matured (not just TortoiseGit, but also something akin the really nice Visual Studio integration provided by VisualSVN). But I digress... I recently installed msysgit on my Windows 7 machine, and when using the included version of bash, it is horrendously slow. And not just the git operations; clear takes about five seconds. AAAAH! Has anyone experienced a similar issue? Edit: It appears that msysgit is not playing nicely with UAC and might just be a tiny design oversight resulting from developing on XP or running Vista or 7 with UAC disabled; starting Git Bash using Run as administrator results in the lightning speed I see with OS X (or on 7 after starting Git Bash w/o a network connection - see @Gauthier answer). Edit 2: AH HA! See my answer.

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  • Setting Rails Checkbox from Another Model

    - by Kevin
    I have a checkbox that belongs to "Foo" class. I have another "Preferences" class that sets the default for what that checkbox should be. I tried using f.check_box :email_preference, :value => preferences.email_preference but it doesn't work. I use this page to do new record creation as well as edit, so obviously for new records I would want to take the preferences.email_preference setting as a default, then for editing the record use the foo.email_preference. Any suggestions?

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  • Why isn't this simple test class's method inherited in Ruby?

    - by Kevin Bannister
    Consider this very simple logging class: class MockLog def self.log_stub_method(*args) args.each do |a| define_method "#{a}" do |msg| t = Time.now.strftime("%Y-%m-%d %H:%M:%S") $stderr.puts "[#{a.upcase}] \u00bb [#{t}] #{msg}" end end end log_stub_method :fatal, :error, :warn, :info, :debug end Let's add logging to all our classes: class Module def has_logging() class_eval { @log = MockLog.new def log self.class.instance_variable_get :@log end } end end Now, why doesn't this work? class Foo has_logging end Foo.new.log.nil? # => false, as expected class Bar < Foo end Bar.new.log.nil? # => true?! Why wasn't the `log` method inherited?

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  • Accessing properties through Generic type parameter

    - by Veer
    I'm trying to create a generic repository for my models. Currently i've 3 different models which have no relationship between them. (Contacts, Notes, Reminders). class Repository<T> where T:class { public IQueryable<T> SearchExact(string keyword) { //Is there a way i can make the below line generic //return db.ContactModels.Where(i => i.Name == keyword) //I also tried db.GetTable<T>().Where(i => i.Name == keyword) //But the variable i doesn't have the Name property since it would know it only in the runtime //db also has a method ITable GetTable(Type modelType) but don't think if that would help me } } In MainViewModel, I call the Search method like this: Repository<ContactModel> _contactRepository = new Repository<ContactModel>(); public void Search(string keyword) { var filteredList = _contactRepository.SearchExact(keyword).ToList(); } I use Linq-To-Sql.

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  • GEM Version Requirements Depreciated

    - by Kevin Sylvestre
    When creating a new Rails project using: rails sample Then creating a model using: script/generate model person first_name:string last_name:string Everything is fine. However, if I add any gems to my environment.rb: config.gem "authlogic" And run the same generator, I get the following: /Library/Ruby/Gems/1.8/gems/rails-2.3.5/lib/rails/gem_dependency.rb:119:Warning: Gem::Dependency#version_requirements is deprecated and will be removed on or after August 2010. The warning just recently appeared (I think), but I would like to fix it if possible. Any hints or similar experiences? Thanks.

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  • sqlite & python - only pulls the first result

    - by pencilNero
    This is pretty strange (admitedly, this is my first attempt with python / sqlite), but I can seem to get all of the rows if I do a fetchAll(), but other than that - no matter what I try, always ends up in the db only returning the first row - the second iteration stops because a null is returned. Wondering if there is something wrong with how I am coding this up in python? The db seems ok.. con = sqlite3.connect('backup.db') con.row_factory = sqlite3.Row cur = con.cursor() cur.execute('select * from tb1;') for row in cur: try: # row = dataCur.fetchone() #if row == None: break print type(row) print ' Starting on: %i' % row[0] cleaner = Cleaner(scripts=True, remove_tags=['img'], embedded=True) try: cleaned = cleaner.clean_html(row[2]) #data stored in second col cur.execute('update tb1 set data = ? where id = ?;', (cleaned, row[0])) except AttributeError: print 'Attribute error' print ' Ended on: %i' % row[0] except IOError: print 'IOexception'

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  • How to synchronize two DataBase Schemas Oracle 10G?

    - by gnash-85
    Hi Masters, Good Day, I am new and very naive to Oracle DB. I am using Oracle 10G. Let me explain to you. I have one source database named ( DB1) and Target Database named (DB2). I have 2 schema's named dbs1 and dbs2 in the source database (DB1). I have exported both the database schemas in Source Database (DB1) and imported it successfully into the Target Database (DB2). Now I face a challenge in synchronizing these database schemas every time from Source DB (DB1) to Target DB (DB2). Can anyone please help in letting me know how can achieve this synchronization? It would a great help. Thanks Nash

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  • Permutation on Rails Routes

    - by Kevin Sylvestre
    I currently have an application that for a set of parameters (location, category, budget, ...) a user can enter a "pretty" URL like: /location/canada/ontario /category/primary /budget/small Resulting in the respective parameters: params[:country] == 'canada' and params[:region] == 'ontario' params[:category] == 'primary' params[:budget] == 'small' I want to allow users to perform searches on multiple parameters at once (with each parameter optional). For example: /location/canada/ontario/category/primary/budget/small I understand that this can be achieved using URL parameters, but for SEO reasons I prefer to add the "pretty" parameters. Is this at all possible without listing all possible combination of routes (I have a large number of search-able fields)? I understand that route "globbing" maybe play a roll, but I am not sure how. Thanks.

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  • Registering Drupal Menu Paths?

    - by Kevin
    If I am making a module, and want to have two custom paths: path/path/path/index.htm (calls drupal_get_form) and post to path/path/path/result.htm How do you do that? I get a 404 on the second path. I get the form and what I want with the first path easily enough. All I want to do is theme the form results as a drupal table and display it here.

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  • Synchronizing MySQL databases

    - by Wasim
    Hi all, I have a maintanance problem synchronizing my MySQL data bases . These are the databases I have : My development DB : Here I make my curret development changes . Staging DB : I need to make all the changes I did in the development on it before using , currently I hold migration scripts for structure and data. Production DB : A production environment . Have to do exacly the same as the staging . My problem , is sync. the structure , and some of the data. This is really a very hard work to maintaine. Is there any technics , tools to do with MySQL . What is replication , is it good for my situation , how to use it . Thanks in advance ...

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  • Preloading Image Bug in IE6-8

    - by Kevin C.
    Page in question: http://phwsinc.com/our-work/one-rincon-hill.asp In IE6-8, when you click the left-most thumbnail in the gallery, the image never loads. If you click the thumbnail a second time, then it will load. I'm using jQuery, and here's my code that's powering the gallery: $(document).ready(function() { // PROJECT PHOTO GALLERY var thumbs = $('.thumbs li a'); var photoWrapper = $('div.photoWrapper'); if (thumbs.length) { thumbs.click( function(){ photoWrapper.addClass('loading'); var img_src = $(this).attr('href'); // The two lines below are what cause the bug in IE. They make the gallery run much faster in other browsers, though. var new_img = new Image(); new_img.src = img_src; var photo = $('#photo'); photo.fadeOut('slow', function() { photo.attr('src', img_src); photo.load(function() { photoWrapper.removeClass('loading'); photo.fadeIn('slow'); }); }); return false; }); } }); A coworker told me that he's always had problems with the js Image() object, and advised me to just append an <img /> element inside of a div set to display:none;, but that's a little messy for my tastes--I liked using the Image() object, it kept things nice and clean, no unnecessary added HTML markup. Any help would be appreciated. It still works without the image preloading, so if all else fails I'll just wrap the preloading in an if !($.browser.msie){ } and call it a day.

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  • Finding files with bash and copy to another location and reducing depth of folders

    - by Kevin F
    I'm trying to recover a mates hard drive, there is no structure what so ever so music and images are everywhere but in named folders sometimes 5 folders deep, I've managed to write a one-liner that finds the files and copies them to a mounted drive but it preserves the file structure completely. What I'm after is a bit of code that searches the drive and copies to another location and copies just the parent folder with the mp3/jpg files within and not the complete path. The other issue I have is the music is /folder/folder/folder/Artist/1.mp3..2.mp3..10.mp3 etc etc so I have to preserve the folder 'Artist' to give him any hope of finding his tracks again. What I have working currently: find /media/HP/ -name *.mp3 -fprintf /media/HP/MUSIC/Script.sh 'mkdir -p "/media/HP/MUSIC/%h" \n cp "%h/%f" "/media/HP/MUSIC/%h/"\n' I then run the script.sh and it does all the copying. Many Thanks

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  • Can I use Cassandra to store objects?

    - by Sandeep
    Hi, My application works like this. A database(Mysql) where there is a command. The command is an object(consists of fields many fields like ints ans strings). There is a webservice which interact with the database and get the command from the db and performs some operation. The way how I am storing the command into db is by stripping all the fields and inserting them in to the db. Can I use cassandra in place of mysql and store the command object?

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  • How to copy files without slowing down my app?

    - by Kevin Gebhardt
    I have a bunch of little files in my assets which need to be copied to the SD-card on the first start of my App. The copy code i got from here placed in an IntentService works like a charm. However, when I start to copy many litte files, the whole app gets increddible slow (I'm not really sure why by the way), which is a really bad experience for the user on first start. As I realised other apps running normal in that time, I tried to start a child process for the service, which didn't work, as I can't acess my assets from another process as far as I understood. Has anybody out there an idea how a) to copy the files without blocking my app b) to get through to my assets from a private process (process=":myOtherProcess" in Manifest) or c) solve the problem in a complete different way Edit: To make this clearer: The copying allready takes place in a seperate thread (started automaticaly by IntentService). The problem is not to separate the task of copying but that the copying in a dedicated thread somehow affects the rest of the app (e.g. blocking to many app-specific resources?) but not other apps (so it's not blocking the whole CPU or someting) Edit2: Problem solved, it turns out, there wasn't really a problem. See my answer below.

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  • EF 4.1 Code First Detaching Entity

    - by Nazaf
    I am trying to add an entity to the DB. Once I have added it, I want to detach it, so I can manipulate the object safely without making any changes to the DB. After calling context.SaveChanges() I do the following to detach the entity: // save context.Stories.Add(story); // attach tags. They already exists in the database foreach(var tag in story.Tags) context.Entry(tag).State = System.Data.EntityState.Unchanged; context.SaveChanges(); context.Entry(story).State = System.Data.EntityState.Detached; However, changing the entity state to DETACHED will remove all related entities associated with the my entity. Is there a way to stop this ? If I don't detach the entity, all my changes are sent to the DB next time I call context.SaveChanges() Thanks!!

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  • How should I build a simple database package for my python application?

    - by Carson Myers
    I'm building a database library for my application using sqlite3 as the base. I want to structure it like so: db/ __init__.py users.py blah.py etc.py So I would do this in Python: import db db.users.create('username', 'password') I'm suffering analysis paralysis (oh no!) about how to handle the database connection. I don't really want to use classes in these modules, it doesn't really seem appropriate to be able to create a bunch of "users" objects that can all manipulate the same database in the same ways -- so inheriting a connection is a no-go. Should I have one global connection to the database that all the modules use, and then put this in each module: #users.py from db_stuff import connection Or should I create a new connection for each module and keep that alive? Or should I create a new connection for every transaction? How are these database connections supposed to be used? The same goes for cursor objects: Do I create a new cursor for each transaction? Create just one for each database connection?

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  • Html newbie! background-image question

    - by Kevin Li
    Hi! I'm learning HTML and I wanted to practice by recreating a invoice sent to me by Electronics Expo. However, I used the background-image property and repeated it by repeat-x and now, the background stretches across the page so much that it has a horizontal bar to drag. http://htmlpocketreference.110mb.com/index.html You can see what I did in my link above. Also, I would really appreciate some advice on simplifying my CSS coding. It seems really messy and I have to move every element once something changes. -.- Thanks!

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  • Added a Facebook badge, throwing off footer placement

    - by Kevin
    Added the for the facebook badge to the site and now it's thrown my placement for the footer off .. it's working fine in Chrome, but IE, FFox and Opera all experiencing problems... Here is a screenshot: The footer (brown bar) is supposed to be at the bottom... Here is the CSS : /* footer */ #footer{ background:url(../images/bg-footer.png) no-repeat; height:26px; overflow:hidden; padding:35px 0 0 55px; font-size:11px; } #footer p{ margin:0; display:inline; color:#766623; } #footer ul{ margin:0; padding:0; list-style:none; display:inline; } #footer li{ display:inline; background:url(../images/sep-f-nav.gif) no-repeat 100% 55%; padding:0 6px 0 0; position:relative; } * html #footer li{ padding:0 3px 0 3px; } *+html #footer li{ padding:0 3px 0 3px; } #footer a{ color:#30481f; text-decoration:none; } #footer a:hover{ text-decoration:underline; /*Facebook badge Holder*/ .fb-area{ width:287px; padding:0 0; margin:0 0; min-height:100%; }

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  • PHP: Adding text to a file

    - by Kevin Duke
    I'm trying to set up authentication on my server, however, I know little about Php. I have a php file filled with users and passwords: function getPassword( $user ) { // the user/password database. For very small groups // of users, you may just get away with expanding this // array. $passwords= array ( 'user1' => 'password1', 'user2' => 'password2', 'user3' => 'password3', 'user4' => 'password4' ); $password = $passwords[ $user ]; if ( NULL == $password ) return NULL; Without manually editing the array of passwords, I want a php file to read in user inputs for usernames and passwords and append it to the array. I have a vague idea of how this could work by looking up documentation: <?php function fwrite_stream($fp, $string) { $fp = fopen('shit.php', 'w'); for ($written = 0; $written < strlen($string); $written += $fwrite) { $fwrite = fwrite($fp, substr($string, $written)); if ($fwrite === false) { return $written; } } return $written; fclose($fp); } ?> How do I tell this to write to the array?

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  • Preventing dictionary attacks on a web application

    - by Kevin Pang
    What's the best way to prevent a dictionary attack? I've thought up several implementations but they all seem to have some flaw in them: Lock out a user after X failed login attempts. Problem: easy to turn into a denial of service attack, locking out many users in a short amount of time. Incrementally increase response time per failed login attempt on a username. Problem: dictionary attacks might use the same password but different usernames. Incrementally increase response time per failed login attempt from an IP address. Problem: easy to get around by spoofing IP address. Incrementally increase response time per failed login attempt within a session. Problem: easy to get around by creating a dictionary attack that fires up a new session on each attempt.

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  • Linux Access physical memory (NOR flash)

    - by Kevin
    Hello, I am trying to access a Linux system's NOR flash memory. I tried use __raw_readl(xxxxx) (through io_p2v) to read NOR memory data, but I failed. Is there any way I can access that memory? Will driver /dev/mem work for this? I guess not. it is only for the RAM maybe. Can anyone help?

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  • Split text files Accross threads

    - by Kevin
    The problem: I have a few text files (10) with numbers in them on every line. I need to have them split across some threads I create using the pthread library. these threads that are created (worker threads) are to find the largest prime number that gets sent to them (and over all the largest prime from all of the text files). My current thoughts on solutions: I am thinking myself to have two arrays and all of the text files in one array and the other array will contain a binary file that I can read say 1000 lines and send the pointer to the index of that binary file in a struct that contains the id, file pointer, and file position and let it crank through that. a little bit of what I am talking about pthread_create(&threads[index],NULL,calc_sqrt,(void *)threadFields[index]);//Pass struct to each worker Struct: typedef struct threadFields{ int *id, *position; FILE *Fin; }tField; If anyone has any insight or a better solution it would be greatly appreciated Thanks

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  • QWinWidget's position is always 0 (zero)

    - by Kevin
    I hosted a QWinWidget in a CView and want it to stay at a designated position when resizing. But QWinWidget always moves to (0, 0), i.e. left-top corner of the CView. I tried to debug in this way: QWinWidget* pWidget = new QWinWidget(pCView); pWidget->move(50, 50); QPoint pos = pWidget->pos(); Note that: the pos is always (0, 0). Why is that?

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