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  • Leading a Developer Meeting?

    - by hypoxide
    I've recently inherited responsibility for organizing and running the hour long monthly developer meetings at my office. I've only been out of college for 2 years so I'm kind of intimidated by holding the reins for this type of thing. The group is composed of about 20 developers, more than half of which are significantly more senior than I am. I need some tips on how to make this meeting valuable for everybody, as well as any possible advice/consolation/condolences you can give me.

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  • asp.net - updatepannel can't read innerHTML?

    - by omega
    In my asp.net page, I have a jquery sortable accordian (in an update panel) I use so that clients can re-arrange items. Then to save it, users would click a button (thats created from jquery) and it would traverse through the accoridion in the DOM, and write the info to a asp control textbox. Then invoke the click function of a asp button control, which then reads that information and saves the data. But now I decided to simplify this step, and use html agility pack in c#, so users click the asp button control (inside an update panel), and then it would get the innerHTML of the accordian. But the problem is, the html it's getting is not the reflecting the changes a user can make to the accordion (i.e. re arranging it), it the same as when the DOM was ready on page load... But note that, using javascript to write the innerHTML to a textbox, then from the c# function, I can read the up to date html from the accordian. Does anyone know why this is happening and how to get the up to data html from the accordian in c#?

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  • Programmatically Change Colors in C#

    - by Jason
    I am current working on a project where, as different users add text to a document, I would like the color of the text to change. Originally, I was using C#'s predefined color values and just putting the ones I wanted to use into an enum in my application and cycling through the colors as different users added annotations. This works fine, and I am okay with this solution. However, I also could have chosen to change the RGB values and derived colors that way. I'm curious about what type of algorithm would be good to change those values to get different sets of colors. This is more just an exercise of something I had thought about. To clarify a little bit, I don't want to just increment one of the color values (R, G, or B) because that wouldn't give me enough variety in my colors. But, I don't think it would also work to increment all three of equal amounts. I also have to watch out for repeating colors (up to a point). The requirements for my project anticipates, at most, 10 different reviewers.

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  • Setting the type of a field in a superclass from a subclass (Java)

    - by Ibolit
    Hi. I am writing a project on Google App Engine, within it I have a number of abstract classes that I hope I will be able to use in my future projects, and a number of concrete classes inheriting from them. Among other abstract classes I have an abstract servlet that does user management, and I hava an abstract user. The AbstractUser has all the necessary fields and methods for storing it in the datastore and telling whether the user is registered with my service or not. It does not implement any project specific functionality. The abstract servlet that manages users, refers only to the methods declared in the AbstractUser class, which allows it to generate links for logging in, logging out and registering (for unregistered users). In order to implement the project-specific user functionality I need to subclass the Abstract user. The servlets I use in my project are all indirect descendants from that abstract user management servlet, and the user is a protected field in it, so the descendant servlets can use it as their own field. However, whenever i want to access any project specific method of the concrete user, i need to cast it to that type. i.e. (abstract user managing servlet) ... AbstractUser user = getUser(); ... abstract protected AbstractUser getUser(); (project-specific abstract servlet) @Override protected AbstractUser getUser() { return MyUserFactory.getUser(); } any other project specific servlet: int a = ((ConcreteUser) user).getA(); Well, what i'd like to do is to somehow make the type of “user” in the superclass depend on something in the project-specific abstract class. Is it at all possible? And i don't want to move all the user-management stuff into a project-specific layer, for i would like to have it for my future projects already written :) Thank you for your help.

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  • PHP & MySQL query value question.

    - by space
    How can I use the first query's id value $row['id'] again after I run a second query inside the while loop statement? To show you what I mean here is a sample code below of what I'm trying to do. I hope I explained it right. Here is the code. $mysqli = mysqli_connect("localhost", "root", "", "sitename"); $dbc = mysqli_query($mysqli,"SELECT users.* FROM users WHERE user_id = 4"); if (!$dbc) { // There was an error...do something about it here... print mysqli_error($mysqli); } while($row = mysqli_fetch_assoc($dbc)) { echo '<div>User: ' . $row['id'] . '</div>'; echo '<div>Link To User' . $row['id'] . '</div>'; $mysqli = mysqli_connect("localhost", "root", "", "sitename"); $dbc2 = mysqli_query($mysqli,"SELECT COUNT(cid) as num FROM comments WHERE comments_id = $row[id]"); if (!$dbc2) { // There was an error...do something about it here... print mysqli_error($mysqli); } else { while($row = mysqli_fetch_array($dbc2)){ $num = $row['num']; } } echo '<div>User ' . $row['id'] . ' Comments# ' . $num . '</div>'; }

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  • download multiples files in one request

    - by alexperto
    I don't know if it is posible, but I'd like to download a group of pdf's in only one request this is the way I download a particular invoice: def show @invoice = Invoice.find_by_invoice_hash params[:hash] respond_to do |format| format.html format.xml do send_data File.read( @invoice.xml_path ), type: 'text/xml', filename: "invoice_#{ @invoice.id }.xml", disposition: 'attachment' end format.pdf do render :pdf => @invoice.hash, layout: 'pdf', footer: { right: "printed at: #{Date.today}" } end end end What do you suggest me to do?

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  • Winlibre - An Aptitude-Synaptic for Windows. Would that be useful?

    - by acadavid
    Hi everyone. Last year, in 2009 GSoC, I participated with an organization called Winlibre. The basic idea is having a project similar to Aptitude (or Apt-get) and a GUI like Synaptic but for Windows and just to hold (initially), only open source software. The project was just ok, we finished what we considered was a good starting point but unfortunately, due to different occupations of the developers, the project has been idle almost since GSoC finished. Now, I have some energy, time and interest to try to continue this development. The project was divided in 3 parts: A repository server (which i worked on, and which was going to store and serve packages and files), a package creator for developers, and the main app, which is apt-get and its GUI. I have been thinking about the project, and the first question that came to my mind is.. actually is this project useful for developers and Windows users? Keep in mind that the idea is to solve dependencies problems, and install packages "cleanly". I'm not a Windows developer and just a casual user, so i really don't have a lot of experience on how things are handled there, but as far as I have seen, all installers handle those dependencies. Will windows developers be willing to switch from installers to a packages way of handling installations of Open source Software? Or it's just ok to create packages for already existing installers? The packages concept is basically the same as .deb or .rpm files. I still have some other questions, but basically i would like to make sure that it's useful in someway to users and Windows developers, and if developers would find this project interesting. If you have any questions, feedback, suggestions or criticisms, please don't mind about posting them. Thanks!!

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  • Selecting from a Large Table SQL 2005

    - by Eugene
    I have a SQL table it has more than 1000000 rows, and I need to select with the query as you can see below: SELECT DISTINCT TOP (200) COUNT(1) AS COUNT, KEYWORD FROM QUERIES WITH(NOLOCK) WHERE KEYWORD LIKE '%Something%' GROUP BY KEYWORD ORDER BY 'COUNT' DESC Could you please tell me how can I optimize it to speed up the execution process? Thank you for useful answers.

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  • Issue in event.PreventDefault()

    - by Prathiba
    I'm using twitter bootstrap in my application. i gave e.preventDefault for link button in $(document).reday(), but it is not working. Here is my code: Master page: <a id="lnkLogout" href="javascript:void(0);" onclick="PageLogout();"><i class="icon-off"> </i>Logout</a> <script type="text/javascript" language="javascript"> $(document).ready(function () { $('#lnkLogout').click(function (e) { e.preventDefault(); }); }); function PageLogout() { //Code for logout from the application.... } </script> SampleDefaultPage.aspx : <div class="row-fluid"> <div class="form-horizontal"> <h4 class="header blue bolder smaller"> Contact</h4> <div class="control-group"> <label for="form-field-email" class="control-label"> Email</label> <div class="controls"> <input type="text" style="width:200px;" data-val="true" data-val-required="Mobile Number is required." id="txtEmail"> <div class="space-3"> </div> <span data-valmsg-replace="true" data-valmsg-for="txtEmail" class="field-validation-valid text-warning red"></span> </div> </div> <div class="control-group"> <label for="form-field-website" class="control-label"> Phone Number</label> <div class="controls"> <input type="text" style="width:200px;" id="txtPhno"> </div> </div> </div> I have given txtEmail as mandatory field. if i left that field blank and click on Logout button in Master page, it says txtEmail is required. i dint do any validation in Logout onclick event. I have given preventDefault for Logout link. But still facing an issue. I should be able to logout even though txtEmail is left blank. Thank you all in advance for your response.

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  • Modify url in browser using javascript?

    - by user246114
    Hi, Is it possible to change the url in the user's browser without actually loading a page, using javascript? I don't think it is (could lead to unwanted behavior), I'm in a situation where this would be convenient though: I have a web app which displays reports generated by users. Layout roughly looks like: ----------------------------------------------------------- Column 1 | Column 2 ----------------------------------------------------------- Report A | Report B | Currently selected report contents here. Report C | right now the user would be looking at a url like: www.mysite.com/user123 To see the above page. When the user clicks the report names in column 1, I load the contents of that report in column 2 using ajax. This is convenient for the user, but the url in their browser remains unchanged. The users want to copy the url for a report to share with friends, so I suppose I could provide a button to generate a url for them, but it would just be more convenient for them to have it already as the url in their browser, something like: www.mysite.com/user123/reportb the alternate is to not load the contents of the report in column 2 using ajax, but rather a full page refresh. This would at least have a linkable url ready for the user in their url bar, but not as convenient as using ajax. Thanks

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  • WPF separator between grid buttons

    - by Bob
    I have a grid with 4 buttons...1 row, 4 columns. I am looking for a way to visually group the two buttons on the left from the two on the right. I was looking for a way to do this with a separator but it doesnt seem to be playing nice with Grid, preferring StackPanel. Is this the right control? If so, how does one make the thing separate the columns (populated with buttons in this case)? Thanks.

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  • Rails Form Submission, User can't be blank

    - by pmanning
    I'm trying to create an event through an event form and I keep getting a form error that says "User can't be blank". The event needs a user_id to post a feed_item showing who created the event. Why can't this event get created? event.rb class Event < ActiveRecord::Base attr_accessible :description, :location, :title, :category_id, :start_date, :start_time, :end_date, :end_time, :image belongs_to :user belongs_to :category has_many :rsvps has_many :users, through: :rsvps, dependent: :destroy mount_uploader :image, ImageUploader validates :title, presence: true, length: { maximum: 60 } validates :user_id, presence: true create_events.rb (database) class CreateEvents < ActiveRecord::Migration def change create_table :events do |t| t.string :title t.date :start_date t.time :start_time t.date :end_date t.time :end_time t.string :location t.string :description t.integer :category_id t.integer :user_id t.timestamps end add_index :events, [:user_id, :created_at] end end events_controller.rb def new @event = Event.new @user = current_user end def create @event = current_user.events.build(params[:event]) if @event.save flash[:success] = "Sesh created!" redirect_to root_url else @feed_items = [] render 'static_pages/home' end end routes.rb SampleApp::Application.routes.draw do resources :users do member do get :following, :followers, :events end end resources :events do member do get :members end end root to: 'static_pages#home' events/new.html.erb <%= form_for @event, :html => {:multipart => true} do |f| %> <%= render 'shared/error_messages', object: @event %>

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  • merging in python

    - by Abruzzo Forte e Gentile
    Hi all I have the following 4 arrays ( grouped in 2 groups ) that I would like to merge in ascending order by the keys array. I can use also dictionaries as structure if it is easier. Has python any command or something to make this quickly possible? Regards MN # group 1 [7, 2, 3, 5] #keys [10,11,12,26] #values [0, 4] #keys [20, 33] #values # I would like to have [ 0, 2, 3, 4, 5, 7 ] # ordered keys [20, 11,12,33,26,33] # associated values

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  • How to store opening weekdays in a database

    - by JoaoPedro
    I have a group of checkboxes where the user selects some of the weekdays (the opening days of a store). How can I save the selected days? Should I save something like 0111111 (zero means closed on sunday) on the same field and split the result when reading the data? Or create a field for each day and store 0 or 1 on each (weird)?

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  • mySQL JOIN wont return results with 0 count

    - by MPC
    SELECT categories.*, COUNT(categoryID) AS kritCount FROM categories AS categories LEFT JOIN krits ON categories.id = categoryID WHERE (krits.approved = '1') GROUP BY categories.id So this works great except that it does not return a category that has a 0 count of krits in the category. It will if I remove the WHERE statement but I need the WHERE to only select the krits where the field approved = 1

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  • [Ruby On Rails] belongs_to with :class_name option fails.

    - by crackpot
    I have no idea what went wrong but I can't get belongs_to work with :class_name option. Could somebody enlighten me. Thanks a lot! Here is a snip from my code. class CreateUsers < ActiveRecord::Migration def self.up create_table :users do |t| t.text :name end end def self.down drop_table :users end end ##################################################### class CreateBooks < ActiveRecord::Migration def self.up create_table :books do |t| t.text :title t.integer :author_id, :null => false end end def self.down drop_table :books end end ##################################################### class User < ActiveRecord::Base has_many: books end ##################################################### class Book < ActiveRecord::Base belongs_to :author, :class_name => 'User', :validate => true end ##################################################### class BooksController < ApplicationController def create user = User.new({:name => 'John Woo'}) user.save @failed_book = Book.new({:title => 'Failed!', :author => @user}) @failed_book.save # missing author_id @success_book = Book.new({:title => 'Nice day', :author_id => @user.id}) @success_book.save # no error! end end environment: ruby 1.9.1-p387 Rails 2.3.5

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  • Complicated API issue with calling assemblies dynamically?

    - by Stefanos Tses
    I have an interesting challenge that I'm wondering if anyone here can give me some direction. I'm writing a .Net windows forms application that runs on a network and uses an SQL Server to save and pull data. I want to offer a mini "plugin" API, where developers can build their own assemblies and implement a specific interface (IDataManipulate). These assemblies then can be used by my application to call the interface functions and do something. I can create assemblies using my API, copy the file to a folder in my local hard drive and configure my application to use Reflection to call a specific function from the implemented interface (IDataManipulate.Execute). The problem: Since the application will be installed in multiple workstations in the network, is impossible to copy the plugin dlls the users will create to each machine. Solutions I tried: Solution 1 Copy the API dll to a network share. Problem: Requires AllowPartiallyTrustedCallersAttribute, which requires .Net singing, which I can't force from my users. Solution 2 (preferred) Serialize the dll object, save it to the database, deserialize it and call IDataManipulate.Execute. Problem: After deserialization, I try cast it to a IDataManipulate object but returns an error looking for the actual dll file. Solution 3 Save the dll bytes as byte[] to the database and recreate the dll at the local PC every time the user starts my application. Problem: Dll may have dependencies, which I don't know if I can detect. Any suggestions will be greatly appreciated. Thanks

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  • Generic file container for quick read of data

    - by DreamCodeR
    Since there are some major privacy issues with alot of social networking sites I am trying to think about alternatives. One is to let the user keep all the information stored in some kind of file container. Now, I haven't found a single type of container that can hold "generic" information. Only for audio/video. What I want is a container that can be read by PHP with some kind of index file that lists up the users pictures in a image/ directory in the container, FOAF files (or some alternative XML-file describing users information and friends, etc.). My thoughts was to let the user keep all their information and data stored in a container that can be imported/exported and deleted from my server (the prototype social networking site I am trying to create), and then uploaded to another site that might use the same format (not that I think that will ever happen, but the user still keeps all their pictures, data, comments, messages, etc). The only thing I have come up with yet is to create a tar archive with the Archive_tar library which extracts and creates Tar-archives with an index-file describing which files are holding the messages (there might be several so each file won't be so large), what pictures are in the image/ folder and what are their names and what comments they have gotten etc. Maybe also the permissions for viewing each type of content. Does there exist any generic file format of a container that I can use to keep all this information in one file with a tree-like index file? Or must i try and create something like this myself?

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  • WordPress > Custom Category Listing by excluding Category Slug matches

    - by Scott B
    I have a group of categories where the slug of each has a prefix "mycat-" and I would like to insert code into my sidebar.php file to create a custom sidebar widget that lists all categories except those preceeded by "mycat-". Any help much appreciated. Example Categories (by slug)... mycat-hidden, mycat-favorites, mycat-nofollow, mycat-noindex, favorites, recently-updated, hot-links, etc Given the above categories, I'd want the listing to be: Favorites Recently Updated Hot Links

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