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  • Several modules in a package importing one common module

    - by morpheous
    I am writing a python package. I am using the concept of plugins - where each plugin is a specialization of a Worker class. Each plugin is written as a module (script?) and spawned in a separate process. Because of the base commonality between the plugins (e.g. all extend a base class 'Worker'), The plugin module generally looks like this: import commonfuncs def do_work(data): # do customised work for the plugin print 'child1 does work with %s' % data In C/C++, we have include guards, which prevent a header from being included more than once. Do I need something like that in Python, and if yes, how may I make sure that commonfuncs is not 'included' more than once?

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  • JavaScript prototype(ing) question

    - by OneNerd
    Trying to grasp Prototyping in Javascript. Trying to create my own namespace to extend the String object in JavaScript. Here is what I have so far (a snippet): var ns { alert: function() { alert (this); } } String.prototype.$ns = ns; As you can see, I am trying to place what will be a series of functions into the ns namespace. So I can execute a command like this: "hello world".$ns.alert(); But the problem is, the this doesn't seem to reference the text being sent (in this case, "hello world"). What I get is an alert box with the following: [object Object] Not having a full grasp of the object-oriented nature of JavaScript, I am at a loss, but I am guessing I am missing something simple. Does anyone know how to achieve this? Thanks -

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  • Which is better, save a website images on Amazon S3, Flickr or Picasa?

    - by Amr ElGarhy
    I have a website and going to extend it, so users will upload their images on this website, i want to save users images in another storage service. Users will save images and view them, and also share with others. I know that i can do that using Amazon S3, Flickr or Picasa. But i want to know which is better than which? which one should i use and why? Based on your experiences, can you recommend one, or advice me if you a better service than those 3?

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  • Defining a function to a Row

    - by Siedrix
    Hi, im making an application and i need to implement diferent level of user permits. I coul have the function $this->view->users->hasPermits($this->view->user); By declaring a function on the model, an things could be easy to implement. But i would like to be able to have the next function doing the same: $this->view->user->hasPermits(); Is there a way to do this? do i need to extend the Zend_Db_Table_Row class? any ideas?

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  • Sharing base object with inheritance

    - by max
    I have class Base. I'd like to extend its functionality in a class Derived. I was planning to write: class Derived(Base): def __init__(self, base_arg1, base_arg2, derived_arg1, derived_arg2): super().__init__(base_arg1, base_arg2) # ... def derived_method1(self): # ... Sometimes I already have a Base instance, and I want to create a Derived instance based on it, i.e., a Derived instance that shares the Base object (doesn't re-create it from scratch). I thought I could write a static method to do that: b = Base(arg1, arg2) # very large object, expensive to create or copy d = Derived.from_base(b, derived_arg1, derived_arg2) # reuses existing b object but it seems impossible. Either I'm missing a way to make this work, or (more likely) I'm missing a very big reason why it can't be allowed to work. Can someone explain which one it is? [Of course, if I used composition rather than inheritance, this would all be easy to do. But I was hoping to avoid the delegation of all the Base methods to Derived through __getattr__.]

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  • Best of both worlds: arrow keys for cursor movement or flipping through buffers.

    - by dreeves
    I really like this vim trick to use the left and right arrows to flip between buffers: "left/right arrows to switch buffers in normal mode map <right> :bn<cr> map <left> :bp<cr> (Put that in ~/.vimrc) But sometimes I'm munching on a sandwich or something when scrolling around a file and I really want the arrow keys to work normally. I think what would make most sense is for the arrow keys to have the above buffer-flipping functionality only if there are actually multiple buffers open. Is there a way to extend the above to accomplish that?

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  • Expand <div> tag to bottom of page with CSS

    - by typoknig
    Hi all, I know this question gets asked a lot because I have looked at many "solutions" trying to get this to work for me. I can get it to work if I hack up the html but I want to use all CSS. All I want is a header with two columns below it, and I want these three items to fill the entire page/screen, and I want to do it with CSS and without frames or tables. The XAMPP user interface looks exactly how I want my page to look, but again, I do not want to use frames. I cannot get the two orangeish colored columns to extend to the bottom of the screen. I do have it so it looks like the right column extends to the bottom of the screen just by changing the body background color to the same color as the background color of the right column, but I would like both columns to extend to the bottom so I didn't have to do that. Here is what I have so far: HTML <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html dir="ltr" xmlns="http://www.w3.org/1999/xhtml"> <head> <title>MY SITE</title> <meta content="text/html; charset=utf-8" http-equiv="Content-Type" /> <link href="stylesheet.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="container"> <div id="masthead"> MY SITE</div> <div id="left_col"> Employee Management<br /> <a href="Employee%20Management.php">Add New Employee</a><br /> <a href="Employee%20Management.php">Edit Existing Employee</a><br /> <br/> Load Management<br /> <a href="Load%20Management.php">Log New Load</a><br /> <a href="Load%20Management.php">Edit Existing Load</a><br /> <br/> Report Management<br /> <a href="Report%20Management.php">Employee Report</a><br /> <a href="Report%20Management.php">Load Report</a></div> <div id="page_content"> <div id="page_content_heading">Welcome!</div> Lots of words</div> </div> </body> </html> CSS #masthead { background-color:#FFFFFF; font-family:Arial,Helvetica,sans-serif; font-size:xx-large; font-weight:bold; padding:30px; text-align:center; } #container { min-width: 600px; min-height: 100%; } #left_col { padding: 10px; background-color: #339933; float: left; font-family: Arial,Helvetica,sans-serif; font-size: large; font-weight: bold; width: 210px; } #page_content { background-color: #CCCCCC; margin-left: 230px; padding: 20px; } #page_content_heading { font-family:Arial,Helvetica,sans-serif; font-size:large; font-weight:bold; padding-bottom:10px; padding-top:10px; } a { color:#0000FF; font-family:Arial,Helvetica,sans-serif; font-size:medium; font-weight:normal; } a:hover { color:#FF0000; } html, body { height: 100%; padding: 0; margin: 0; background-color: #CCCCCC; }

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  • Django admin panel doesn't work after modify default user model.

    - by damienix
    I was trying to extend user profile. I founded a few solutions, but the most recommended was to create new user class containing foreign key to original django.contrib.auth.models.User class. I did it with this so i have in models.py: class UserProfile(models.Model): user = models.ForeignKey(User, unique=True) website_url = models.URLField(verify_exists=False) and in my admin.py from django.contrib import admin from someapp.models import * from django.contrib.auth.admin import UserAdmin # Define an inline admin descriptor for UserProfile model class UserProfileInline(admin.TabularInline): model = UserProfile fk_name = 'user' max_num = 1 # Define a new UserAdmin class class MyUserAdmin(UserAdmin): inlines = [UserProfileInline, ] # Re-register UserAdmin admin.site.unregister(User) admin.site.register(User, MyUserAdmin) And now when I'm trying to create/edit user in admin panel i have an error: "Unknown column 'content_userprofile.id' in 'field list'" where content is my appname. I was trying to add line AUTH_PROFILE_MODULE = 'content.UserProfile' to my settings.py but with no effect. How to tell panel admin to know how to correctly display fields in user form?

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  • Passing a class ("Country.class") as an argument in Java

    - by Coronatus
    I'm trying to make a method that takes an argument of Country.class, User.class etc, and returns argument.count(). All the possible classes that I would give to this method extend from Model and have the method count(). My code: private static long <T> countModel(Model<T> clazz) { return clazz.count(); } Called by: renderArgs.put("countryCount", countModel(Country.class)); However this just doesn't work at all. How do I do this, please?

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  • How to put buttons in a html page in a jQuery dialog

    - by Robert
    eHello everyone,the following is my code to display a jquery dialog window with a closing button "OK": <script type="text/javascript"> $(function(){$("#dialog").dialog({autoOpen:false,bgiframe:true,buttons: { "OK": function() { $(this).dialog("close"); } }, width:500, height: 350, modal: true, show: 'slide', hide:'slide', title:"Similar Trends Detected in 2nd DataSet"}); $("#userid").focus(); }); function showForm(matches){ $("#dialog").html(matches).dialog("open");} Currently it runs by supplying a string variable "matches",then the content of the variable gets displayed on the dialog frame. Now me and my teammate want to extend this dialog a little,we want to attach a button to every line inside the html content("matches" variable),please note that we don't want buttons in the dialog(like another "OK" button),but we want buttons "inside" the frame (the actual html content). So I would like some help here,how could I modify my "matches" variable,to have buttons also shown inside the dialog. Thanks.

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  • Java: Can't implement runnable on a test case: void run() collides

    - by Zombies
    So I have a test case that I want to make into a thread. I cannot extend Thread nor can I implement runnable since TestCase already has a method void run(). The compilation error I am getting is Error(62,17): method run() in class com.util.SeleneseTestCase cannot override method run() in class junit.framework.TestCase with different return type, was class junit.framework.TestResult. What I am trying to do is to scale a Selenium testcase up to perform stress testing. I am not able to use selenium grid/pushtotest.com/amazon cloud at this time (installation issues/install time/resource issues). So this really is more of a Java language issue for me.

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  • using drupal 6 or 7 for a new PHP web application?

    - by ajsie
    if i create a new web application tomorrow, should i use Drupal 6 or 7? i have never used drupal before so i have to start learning it first (very familiar with PHP) so i can understand the basics and how to extend it. my concerns for using 7: no modules contributed yet? so i dont have all the fancy stuff i can add like in Drupal 6? no good documentation and lack of web tutorials? how could i learn about it if there is not that much support? too early in the development process? it's not stable enough? i would like to use 7 cause i dont want to relearn everything and 7 is indeed just around the corner. but im afraid that it lacks all other stuff version 6 has. could someone guide me into right direction? thanks

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  • How do I write a Guice Provider that doesn't explicitly create objects?

    - by ripper234
    Say I have a ClassWithManyDependencies. I want to write a Guice Provider for this class, in order to create a fresh instance of the class several times in my program (another class will depend on this Provider and use it at several points to create new instances). One way to achieve this is by having the Provider depend on all the dependencies of ClassWithManyDependencies. This is quite ugly. Is there a better way to achieve this? Note - I certainly don't want the Provider to depend on the injector. Another option I considered is having ClassWithManyDependencies and ClassWithManyDependenciesProvider extend the same base class, but it's butt ugly.

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  • jquery integrate form parameter in one object

    - by jesse
    There are many forms in my page. I want to merge them in one object and submit them in one object. But I find serializeArray() or serialize() do not match my request, the serializeArray function will generate a array object and serialize is used by get model, it is not an object. is there a jquery or local function can merge them in one object. I have one solution but it is not perfect, loop the array object generated by serializeArray, use $.extend to merge them in one object. is there a better method? kindly help, thanks.

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  • Resizing Ubuntu x64 Server Partition with VirtualBox not reflected in OS

    - by daleyjem
    I've already resized my virtual disk with VirtualBox, but now need to extend the partition of my Ubuntu VM itself. I thought I was on my way with GParted live CD, but after I resize the "extended" filesystem partition, and then the child "lvm2 pv" filesystem partition to fill the unallocated space, df -h still shows the original disk size after I reboot into the VM. Any tips on this? I've scoured the webs tirelessly. Should I be resizing the boot (/dev/sda1) partition instead? Should I try to convert my lvm2 to ext4 or something? I'm lost on this. Note: VirtualBox hard disk is "dynamic". Specs: VBox 4.2.18 Ubuntu 12.04.2 amd64 Gparted 0.16.2-1b-i486

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  • Difference between the Document classes

    - by takoi
    I've been reading the javadocs trying to grasp around the swing Document API but I cant get something sensible out of it because there's so many classes: Document, StyledDocument, AbstractDocument, DefaultStyledDocument, PlainDocument, HTMLDocument, and someone mentioned DocumentFilter. This question is more on a general basis so can someone give an overview of the differences between the implementations and when the different interfaces and abstracts are for? For my specific case what I want to achieve is a data structure that will: hold three lines of text only. And attributes must not be per line or document. I will have a couple of thousand of these in some other structure so overhead is important. Anything that i can use for this or is it better to extend something? If so, what?

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  • [PHP] How to unset object's inherited properties ?

    - by vbklv
    I have an Object ( [id] => 1 [parent_id] => 0 [result:Database:private] => [db:Database:private] => mysqli Object ( [affected_rows] => 0 ... ) ) Obviously, the Object has inherited the 'db' and 'result' properties of the parent Database class. unset($object-result) nor unset($object-result:Database) nor unset($object-result:Database:private) work. How could I unset those properties when they are no longer needed (i.e. when the object properties are about to be output)? Is it a generally a good idea to have a database object as an inherited property of other classes (extend one Database class with all other classes that use database connections)?

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  • How to return data structure from stored procedure

    - by rodnower
    Hello, I have C# application that retrieve data from AQ with some oracle stored procedure, that stored in package. The scheme is: C# code - Stored Procedure in Package - AQ Inside of this stored procedure I use DBMS_AQ for dequeue the data to some object of some type. Now I have this object. My question is how I return it? Previously I: Created some virtual table, Make EXTEND() to table Inserted the data from object to table, Perform select on the table, And return sys_refcursor. In side of C# I filled DataSet with help of OracleDataAdapter.Fill() After that I upgraded it to return data fields during OUT parameters. But now I have much fields, and I may not to create so much OUT parameters... What the best way to do this? Thank you for ahead.

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  • javascript : make a new safe class constructor

    - by guilin ??
    sometimes we loss the new keyword when define new object, obj = new Clazz(); //correct obj = Clazz(); //wrong, but no syntax error, hard to debug. I want to write a function to help me create Class and make it new safe. var Class = function(constructor){ //when constructor // if not call by new return new constructor(); // else constructor(); } var MyClazz = Class(function(name){ this.name = name }, SuperClazz1, SuperClass2 ) MyClazz.extend({ show: function(){console.log(this.name)} }) obj1 = new MyClazz(); obj2 = MyClazz(); // obj1 should same as obj2 Is it possible, any exists module?

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  • Backbone.js Model validation fails to prevent Model from saving

    - by Benjen
    I have defined a validate method for a Backbone.js Model. The problem is that even if validation fails (i.e. the Model.validate method returns a value) the post/put request is still sent to the server. This contradicts what is explained in the Backbone.js documentation. I cannot understand what I am doing wrong. The following is the Model definition: /** * Model - Contact */ var Contact = Backbone.Model.extend({ urlRoot: '/contacts.json', idAttribute: '_id', defaults: function() { return { surname: '', given_name: '', org: '', phone: new Array(), email: new Array(), address: new Array({ street: '', district: '', city: '', country: '', postcode: '' }) }; } validate: function(attributes) { if (typeof attributes.validationDisabled === 'undefined') { var errors = new Array(); // Validate surname. if (_.isEmpty(attributes.surname) === true) { errors.push({ type: 'form', attribute: 'surname', message: 'Please enter a surname.' }); } // Validate emails. if (_.isEmpty(attributes.email) === false) { var emailRegex = /^[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,6}$/i; // Stores indexes of email values which fail validation. var emailIndex = new Array(); _.each(attributes.email, function(email, index) { if (emailRegex.test(email.value) === false) { emailIndex.push(index); } }); // Create error message. if (emailIndex.length > 0) { errors.push({ type: 'form', attribute: 'email', index: emailIndex, message: 'Please enter valid email address.' }); } } if (errors.length > 0) { console.log('Form validation failed.'); return errors; } } } }); Here is the View which calls the Model.save() method (see: method saveContact() below). Note that other methods belonging to this View have not been included below for reasons of brevity. /** * View - Edit contact form */ var EditContactFormView = Backbone.View.extend({ initialize: function() { _.bindAll(this, 'createDialog', 'formError', 'render', 'saveContact', 'updateContact'); // Add templates. this._editFormTemplate = _.template($('#edit-contact-form-tpl').html()); this._emailFieldTemplate = _.template($('#email-field-tpl').html()); this._phoneFieldTemplate = _.template($('#phone-field-tpl').html()); // Get URI of current page. this.currentPageUri = this.options.currentPageUri; // Create array to hold references to all subviews. this.subViews = new Array(); // Set options for new or existing contact. this.model = this.options.model; // Bind with Model validation error event. this.model.on('error', this.formError); this.render(); } /** * Deals with form validation errors */ formError: function(model, error) { console.log(error); }, saveContact: function(event) { var self = this; // Prevent submit event trigger from firing. event.preventDefault(); // Trigger form submit event. eventAggregator.trigger('submit:contactEditForm'); // Update model with form values. this.updateContact(); // Enable validation for Model. Done by unsetting validationDisabled // attribute. This setting was formerly applied to prevent validation // on Model.fetch() events. See this.model.validate(). this.model.unset('validationDisabled'); // Save contact to database. this.model.save(this.model.attributes, { success: function(model, response) { if (typeof response.flash !== 'undefined') { Messenger.trigger('new:messages', response.flash); } }, error: function(model, response) { console.log(response); throw error = new Error('Error occured while trying to save contact.'); } }, { wait: true }); }, /** * Extract form values and update Contact. */ updateContact: function() { this.model.set('surname', this.$('#surname-field').val()); this.model.set('given_name', this.$('#given-name-field').val()); this.model.set('org', this.$('#org-field').val()); // Extract address form values. var address = new Array({ street: this.$('input[name="street"]').val(), district: this.$('input[name="district"]').val(), city: this.$('input[name="city"]').val(), country: this.$('input[name="country"]').val(), postcode: this.$('input[name="postcode"]').val() }); this.model.set('address', address); } });

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  • jquery plugin pattern using jquery.data

    - by web_dev
    I have seen this piece of code in jquery plugin patterns and the notes section mention that we could attach the plugin to the DOM element using the jQuery.data function. What I don't understand is how do I make use of this piece of code. Can somebody provide examples of how to use this functionality and explain its significance? $.fn[pluginName] = function (options) { return $Extend(this).each(function () { if (!$.data(this, 'plugin_' + pluginName)) { $.data(this, 'plugin_' + pluginName, new Plugin( this, options )); } }); };

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  • Displaying a well formatted table

    - by user1378680
    Please take a look at the picture below. The header for the second column is displaying DISTRICT under SENATORIAL. But that's not the case for the 2nd and 3rd Rows under the 2nd Column. What I want to achieve is that words/strings should not ba able to extend width of the table.... The CSS I'm using is beneath. table { width: 650px; font-family: calibri; word-wrap: break-word; margin-left: 115px; } th { padding: 3px; color: white; text-transform: uppercase; font-size: 12px; background-image: url(navbg.png); font-weight: normal; word-wrap: break-word; font-family: "Trebuchet MS"; } Image:

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  • Carousel stopped working

    - by DenMed
    I can't get why, but suddenly my Bootstrap Carousel stopped working. I want it starts onload. Error from Chrome Console: Uncaught TypeError: Object [object Object] has no method 'carousel' :3000/assets/application.js?body=1:18 (anonymous function) :3000/assets/application.js?body=1:18 jQuery.Callbacks.fire jquery-1.7.2.js:1076 jQuery.Callbacks.self.fireWith jquery-1.7.2.js:1194 jQuery.extend.ready jquery-1.7.2.js:436 DOMContentLoaded jquery-1.7.2.js:950 In my application.js: $('.carousel').carousel({ interval: 2000 }) In my layout: <%= javascript_include_tag 'jquery-1.7.2', 'jquery.validate.min','application' %> Where is problem ?

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  • Make graphics on left and right side of text change width depending on the amount of text?

    - by Dustin McGrew
    I need to have an H1 tag centered between two graphics on the left and right of the text. The H1 text will be various widths depending on what page you are on. The dot on the left should stay on the left edge of the site and the line should extend until it reaches the edge of the text. Same for the right side. Is there a way to accomplish this by using CSS or even some jquery/javascript? In the attached graphic, if the text was just "WHO YOU ARE" I'd need the bars on the left and right to grow wider to bump up against the edges of the text.

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  • start intent without onCreate {}

    - by melvintcs
    i create a class extend Gallery and there is no onCreate, and i having a problem to run my intent. this is my sample code: this.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View v, int position, long id) { Intent intent = new Intent(v.getContext(), ClassName.class); startActivity(intent); }} i also tried below code to run, failed me also: Intent intent = new Intent(ThisClassName.this, ClassName.class); startActivity(intent); Please advice me what should i do :)

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