problem about crud-Collection of common programming errors


  • Beterraba
    javascript node.js angularjs crud mean
    I keep getting this error while trying to set up this skeleton application. I have no idea how to fix it sadly. Any input would be much appreciated. I’m just trying to get the darn thing up.C:\Users\x\Desktop\mean-stripdown-master>node server Express app started on port 3000events.js:72throw er; // Unhandled ‘error’ event^ Error: failed to connect to [localhost:27017]at null.<anonymous> (C:\Users\x\Desktop\mean-stripdown-master\node_modul es\mongoose\node_modules\mongodb\lib\mongodb\con

  • Josh
    extjs crud
    Hi I have attempted to implement writer.js and I am getting an error: Uncaught TypeError: Object # has no method ‘read’here is a snippet of my code and would appreciate any help with this issue:Ext.onReady(function(){var store = Ext.create(‘Ext.data.Store’, {model: ‘User’,autoLoad: true,autoSync: true,proxy: {type: ‘ajax’,api: {read: ‘/orm_2/view/user/app/remote/app/controllers/users.php?action=view’,create: ‘/orm_2/view/user/app/remote/app/controllers/users.php?action=create’,update: ‘/orm_2/v

  • pedroren
    asp.net-mvc knockout.js crud knockout-mapping-plugin
    I have a CRUD single page using Knockout, everything works OK, I get the data from a JSON call, it fills an automapped observable array with the list of objects. I can add or edit single items in that array.The issue comes with formatting a currency (numeric) column I show in the table with the list of objects. I have tried using js functions, in a lot of ways but the formatted currency amount of the table does not update when I update an item. If I use a binding for formatting the field then I

  • Barbared
    ruby-on-rails routes crud form-for
    I have a namespaced resource but just in controller directories. So in routes.rb:namespace :admin doresources :user endwhich means this:admin_user_index GET /admin/user(.:format) admin/user#indexPOST /admin/user(.:format) admin/user#createnew_admin_user GET /admin/user/new(.:format) admin/user#newedit_admin_user GET /admin/user/:id/edit(.:format) admin/user#editadmin_user GET /admin/user/:id(.:format) admin/user#sh

  • Trevor North
    php frameworks crud atk4
    I have a page in ATK4 that looks like this <?phpclass page_backlog extends Page {function init(){parent::init();$p=$this;$logged_in_users_team=$p->api->getTeamID();$s=$p->add(‘Model_BacklogStory’);$s->addCondition(‘team_id’,$logged_in_users_team);$s->addCondition(‘side_task’,0);$crud=$p->add(‘CRUD’);$c=$crud->setModel($s, null, array(‘description’, ‘backlog_ref’, ‘points’,’priority_no’));if($c->grid){$c->grid->last_column = ‘points’;$c->grid->getColumn(‘poi

  • Barbared
    ruby-on-rails namespaces routes crud form-for
    I want to set up the CRUD for users, available just for administrators of my web application. So in routes.rb:namespace :admin doresources :user endwhich means this:admin_user_index GET /admin/user(.:format) admin/user#indexPOST /admin/user(.:format) admin/user#createnew_admin_user GET /admin/user/new(.:format) admin/user#newedit_admin_user GET /admin/user/:id/edit(.:format) admin/user#editadmin_user GET /admin/user/:id(.:forma

  • socksocket
    ruby-on-rails ruby crud
    I wanted to know what is the right way to update a Model. for example, suppose I want to change a name of a data member from likes to numOfLikes. this variable appears in the Model itself, but also in schema.rb and in db\migrate\XXX.rb I changed manually those files and got this error: undefined method `numOfLikes’ for # Topic:0x3442d88So, what is the right way doing it? (I am also asking about deleting a data member or adding one)

  • jared_flack
    php ajax backbone.js crud
    I’m writing a function that will return database results.I need it to return the data if the function is called from another function and echo the data when its called via AJAX.Possible SolutionsPass in a parameter…if($echo) echo $data; else return $data; Separate functions…function employees_ajax() { echo $this->employees(); }I’d prefer something smarter that can detect that ‘itself’ was called from another function and return instead of echo.UPDATEAnother possibility would be to check t

  • panindra
    php crud
    while using CRUD to one of my database driven website ..when we try to create / updating database using Create or Update option i am getting following error Notice: Undefined index: crud_table in /home/sulabgqh/public_html/leads/controllers/grid_controller.php on line 89i wnat to know what is the possible error , for reference below is the public declation of variable ‘crud_table’ table name/********************* PUBLIC METHODS ********************/ public function setDbTable($table){$_SESSIO

  • user984621
    ruby-on-rails crud
    I have the*Topics* controller and in the view/topics/index.html.erb the link for destroying item:<%= link_to ‘Destroy’,topic, confirm: ‘Are you sure?’, method: :delete %>I tried also<%= link_to ‘Destroy’, topic_path(topic), confirm: ‘Are you sure?’, method: :delete %>but both returns undefined method topic_path for Class:0x00000105056a80>:0x00000105047328>in routes.rb is following:namespace :admin do…resources :topicsendWhere could be the problem and how to in the easily way to sol

  • Yule
    ruby-on-rails controller crud scaffold ruby-on-rails-4
    by copying and trying to modify a scaffold manually in Rails 4, I got an error when I want to delete an article: “uninitialized constant Article::Tag”. Another error when I want to edit an Article: “undefined local variable or method `article_params'”.I don’t know from where it can comes from, the highlited error which are displayed are “@article.destroy” and “if @article.update(article_params)”. I don’t understand at all considering I think having copied perfectely the scaffold…def destroy@a

  • Wayan Wiprayoga
    java playframework crud playframework-1.x
    I’m using Play!Framwork 1.2.5.I’m trying to implement the CRUD in my project for my casses in models. I followed the steps described here, but I’m getting the following error: Model models.Media is not managed by any pluginat play.db.Model$Manager.factoryFor(Model.java:57)at controllers.CRUD$ObjectType.<init>(CRUD.java:215)at controllers.CRUD$ObjectType.get(CRUD.java:238)at controllers.CRUD$ObjectType$get.call(Unknown Source)at {module:crud}/app/views/tags/crud/types.tag.(line:4)at play.te

  • othman
    java playframework crud
    I get this Exception when running a play app that uses the crud module. the strange thing is that when i get this error and i refresh web page the play app works and page is loaded correctly. it seems the play compiler -in DEV mode- can’t compile CRUD class in first request. i don’t know why the play compiler in DEV mode frequently fails compiling some classes in my play web app? i use eclipse IDE & i suspect that eclipse locks some java source files and prevent play from compiling the java

  • OMG Ponies
    mysql codeigniter doctrine crud mysql-error-1054
    EDIT: The cause of the errors (see below): my default primary key in doctrine_pi.php was “id”, so I changed it to “book_id” (my database’s primary key) and it worked. Thanks Marc B.Hi, I am using CI + Doctrine + MySQL and I am getting the following CRUD errors:(1) When trying to create a new record in the database with this code:$book_title = ‘The Peloponnesian War’;$b = new Book();$b->title = $book_title;$b->price = 10.50;$b->save(); I get this error:Fatal error: Uncaught exeption ‘Doctrin

  • othman
    java crud playframework-2.0
    when i execute the below controller action I get the error attached at end of this question. when getting this error and if i refresh the page in browser the controller view page displays with no error. i’m not sure what causes this error at first request of beleow controller action?/*** controller to register new user.* Shows registration screen.*/public static void registration() throws Exception {ObjectType type = ObjectType.forClass(“models.User”);Constructor<?> constructor = type.ent

  • bob
    php mysqli crud
    I am creating a CRUD page. I’ve been able to insert data into my database, with the following code:$query=”INSERT INTO user(USER_ID, PASSWORD, FIRST_NAME, LAST_NAME, CONTACT_NO, SHIPPING_ADDRESS, BILLING_ADDRESS, EMAIL) VALUES(‘$user_id’, ‘$password’, ‘$first_name’, ‘$last_name’, ‘$contact_no’, ‘$shipping_address’, ‘$billing_address’, ‘$email’)”; if(mysqli_query($con, $query)) { echo “<center><font color=#FF0000>Record Inserted!</font></center><br>”; } else{printf(“