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  • JQuery validation using is() and multiple CSS classes

    - by Alex
    Hi Folks, Trying to debug something that basically .trim()'s, .val()'s and .length's a textarea input as HTML below (truncated): <form id="Kontaktanfrage" method="post" action="tests/testform/"> ... <textarea cols="50" rows="8" id="el_12" name="FORM[Kontaktanfrage][el_12]" title="Ihre Nachricht: *" class="textarea required"></textarea> ... </form> JavaScript: function validateField(formId, fieldId) { if (fieldId) { var element = "form#"+formId+" input#"+fieldId; var fieldValue = jQuery.trim(jQuery(element).val()); var fieldLength = fieldValue.length; var fieldError = ""; if ($(element).is('.textarea.required') && fieldLength == 0) { fieldError = "error message"; } } } The above if check is never true. Using JQuery: 1.4.1. Having seen other examples online, I can't see what the difference should be. Feel free to test it in FireBug at (http://www.initiat.de/tests/testform/). Any help appreciated, can't see what I'm doing wrong.

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  • How do I access the array submit() calls in the dom?

    - by Alex
    I want to grab all the inputs inside a form, in order to submit them. The point of this is to use jquery's ajax to submit a dynamically sized form. Surely there must be an array inside the dom somewhere which i can just do something like... docment.forms['form'].elements which only lists inputs for that form, meaning I can loop through them and grab their values to play around with?

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  • What is the easiest way to set the value of an entire array?

    - by Alex
    My current project requires me to fill an array based upon some other values. I know there's the shortcut: int arr[4][4] = { {0,0,0,0} , {0,0,0,0} , {0,0,0,0} , {0,0,0,0} }; But in this case, I need to fill the array after its declaration. I currently have my code formatted like this: int arr[4][4]; if(someothervariable == 1){ arr = { {1,1,1,1}, {1,2,3,4}, {2,,3,4,5}, {3,4,5,6} }; } But it won't compile. Is there a way to make use of the mentioned shortcut in my case? If not, whats the best fix available? I'd appreciate a way to set it without explicitly assigning each element? ie: arr[0][0] = ...

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  • What would be the most efficient way to do this search (mysql or text)?

    - by alex
    Suppose I have 500 rows of data, each with a paragraph of text (like this paragraph). That's it.I want to do a search that is not only based on words. (%LIKE%, not FULL_TEXT) What would be faster? SELECT * FROM ...WHERE LIKE "%query%"; This would put load on the database server. Select all. Then, go through each one and do .find = 0 This would put load on the web server. This is a website, and people will be searching frequently.

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  • CONCAT_WS rows in JOIN

    - by Alex Kiselev
    i have tables profiles (id, name, deleted) categories (id, name, deleted) profiles_categories (id, profile_id, category_id, , deleted) I have wrong query SELECT p.id, p.name CONCAT_WS(', ', c.name) AS keywords_categories FROM profiles p LEFT JOIN profiles_categories pc ON p.id = pc.profile_id LEFT JOIN categories c ON pc.id = c.id WHERE p.deleted = FALSE So, i want have result with all profiles with concan categories.name. Thanks

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  • Using addMouseListener() and paintComponent() for JPanel

    - by Alex
    This is a follow-up to my previous question. I've simplified things as much as I could, and it still doesn't work! Although the good thing I got around using getGraphics(). A detailed explanation on what goes wrong here is massively appreciated. My suspicion is that something's wrong with the the way I used addMouseListener() method here. import java.awt.Color; import java.awt.Graphics; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass1{ private static PaintClass22 inst2 = new PaintClass22(); public static void main(String args[]){ JFrame frame1 = new JFrame(); frame1.add(inst2); frame1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame1.setTitle("NewPaintToolbox"); frame1.setSize(200, 200); frame1.setLocationRelativeTo(null); frame1.setVisible(true); } } class PaintClass11 extends MouseAdapter{ int xvar; int yvar; static PaintClass22 inst1 = new PaintClass22(); public PaintClass11(){ inst1.addMouseListener(this); inst1.addMouseMotionListener(this); } @Override public void mouseClicked(MouseEvent arg0) { // TODO Auto-generated method stub xvar = arg0.getX(); yvar = arg0.getY(); inst1.return_paint(xvar, yvar); } } class PaintClass22 extends JPanel{ private static int varx; private static int vary; public void return_paint(int input1, int input2){ varx = input1; vary = input2; repaint(varx,vary,10,10); } public void paintComponent(Graphics g){ super.paintComponents(g); g.setColor(Color.RED); g.fillRect(varx, vary, 10, 10); } }

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  • jquery - how to get number from a string with mixture of letters and number

    - by Alex
    How do I use JQuery to get number from the drop down select? <select aria-invalid="false" id="RatePercent" class="wpcf7-form-control wpcf7-select ratePercent" name="RatePercent"> <option value="">---</option> <option value="Floating-6.5%">Floating-6.5%</option> <option value="6 Months-5.65%">6 Months-5.65%</option> <option value="1 Year-5.85%">1 Year-5.85%</option> <option value="18 Months-5.99%">18 Months-5.99%</option> <option value="2 Years-6.19%">2 Years-6.19%</option> <option value="3 Years-6.85%">3 Years-6.85%</option> <option value="4 Years-7.19%">4 Years-7.19%</option> <option value="5 Years-7.40%">5 Years-7.40%</option> </select> If you choose 1 Year-5.85%, it returns '5.85', instead of '1 Year-5.85%'?

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  • No route matches [PUT] error in active_admin

    - by Alex
    in active_admin partials created a form input: <%= semantic_nested_form_for @item, :url => admin_items_path(@item) do |f| %> <fieldset class="inputs"> <ol> <%= f.input :category %></br> <%= f.input :title %> <%= f.input :photo1 %> <%= f.input :photo2 %> </ol> </fieldset> <%= f.fields_for :ItemColors do |i| %> <fieldset class="inputs"> <ol> <%= i.input :DetailColor %> <%= i.input :size, :input_html => { :size => "10" } %> <%= i.link_to_remove "remove" %> </ol> </fieldset> <% end %> <%= f.link_to_add "add", :ItemColors %> <%= f.actions %> <% end %> to create a new Item okay creates and throws On the New Item, but if I do update an existing item is routed to an error occurs while such a path exists: No route matches [PUT] "/admin/items.150" #150 is item_id rake routes: batch_action_admin_items POST /admin/items/batch_action(.:format) admin/items#batch_action admin_items GET /admin/items(.:format) admin/items#index POST /admin/items(.:format) admin/items#create new_admin_item GET /admin/items/new(.:format) admin/items#new edit_admin_item GET /admin/items/:id/edit(.:format) admin/items#edit admin_item GET /admin/items/:id(.:format) admin/items#show PUT /admin/items/:id(.:format) admin/items#update DELETE /admin/items/:id(.:format) admin/items#destroy help to solve this problem UPD I found the error, but not yet understood how to fix it the upgrade is a request: PUT "/admin/items" but should: PUT "/admin/items/some_id" any ideas?

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  • How do I use JQuery to do this? (Loop through the classes)

    - by alex
    Suppose my code is like this: <td class="apple"> <div class="worm"> text1 </div> </td> <td class="apple"> <div class="worm"> text2 </div> </td> <td class="apple"> <div class="worm"> text3 </div> </td> How can I loop through everything with "tr class apple", and then grab the text of the div inside with id "worm", and then set each of the .attr() as that text? Result: <td class="apple" title="text1"> <div class="worm"> text1 </div> </td> <td class="apple" title="text2" > <div class="worm"> text2 </div> </td> <td class="apple" title="text3"> <div class="worm"> text3 </div> </td> Thank you

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  • SQLite FTS3 sumulate LIKE somestrin%

    - by alex
    I'm writing a dictionary app and need to do the usual word suggesting while typing. LIKE somestrin% is rather slow (~1300ms on a ~100k row table) so I've turned to FTS3. Problem is, I haven't found a sane way to search from the beginning of a string. Now I'm performing a query like SELECT word, offsets(entries) FROM entries WHERE word MATCH '"chicken *"'; , then parse the offsets string in code. Are there any better options?

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  • Rails: User specific sequential column

    - by Alex Marchant
    I have an inventory system, where a User has many inventory. We have a barcode column which needs to be sequential for each user. I run into a problem however when doing bulk association building. I end up getting several inventories for a user with the same barcode. For example: Inventory Table: id | user_id | barcode 1 | 1 | 1 2 | 1 | 2 3 | 2 | 1 4 | 2 | 2 5 | 1 | 3 In the Inventory model I have before_validation :assign_barcode, on: :create def assign_barcode self.barcode = (user.inventories.order(barcode: :desc).first.try(:barcode) || 0) + 1 end It generally works, but ran into a problem when seeding my db: (1..5).each do user.inventories.build(...) end user.save I end up with a bunch of inventories for user that have the same barcode. How can I ensure that inventories have unique barcodes even when adding inventories in bulk?

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  • FTP from batch file

    - by Buzkie
    I'm trying to use a batch file to download a package off my FTP server. echo username >ftp.txt echo >>ftp.txt echo cd directory >>ftp.txt echo get filename >>ftp.txt ftp -s:ftp.txt server.com The server is set to allow anonymous logins on username but when I run the script I get an error: 331 Password required for username If there is any other useful information let me know. -Alex

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  • how to use rsync over ftp

    - by bumperbox
    debian4 linux i have the following cmd line which works fine rsync -avr -e ssh /home/dir [email protected]:/home/ but i need to setup it up now to rsync to a remote server that only has ftp on it how do i go about that ? i looked at the rsync help but quickly got lost (i don't do this stuff very often) thanks alex

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  • Setting udev rules in Linux Mint 13

    - by user1233963
    What I'm trying to do is set up a udev rule for my HP headphones (usb) with the aid of several tutorials out there. Created a file ( 90-local.rules ) in /etc/udev/rules.d and added the following: ACTION="add",SUBSYSTEM="usb", ATTR{vendor}=="Hewlett-Packard", RUN+="sh /home/alex/Scripts/usb.sh" The problem is nothing happens when I connect the headphones! What am I doing wrong? note: I did restart udev and the script works also, so it's not that

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  • PowerShell PowerPack Download

    - by BuckWoody
    I read Jeffery Hicks’ article in this month’s Redmond Magazine on a new add-in for Windows PowerShell 2.0. It’s called the PowerShell Pack and it has a some great new features that I plan to put into place on my production systems as soon as I finished learning and testing them. You can download the pack here if you have PowerShell 2.0. I’m having a lot of fun with it, and I’ll blog about what I’m learning here in the near future, but you should check it out. The only issue I have with it right now is that you have to load a module and then use get-help to find out what it does, because I haven’t found a lot of other documentation so far. The most interesting modules for me are the ones that can run a command elevated (in PSUserTools), the task scheduling commands (in TaskScheduler) and the file system checks and tools (in FileSystem). There’s also a way to create simple Graphical User Interface panels (in ). I plan to string all these together to install a management set of tools on my SQL Server Express Instances, giving the user “task buttons” to backup or restore a database, add or delete users and so on. Yes, I’ll be careful, and yes, I’ll make sure the user is allowed to do that. For now, I’m testing the download, but I thought I would share what I’m up to. If you have PowerShell 2.0 and you download the pack, let me know how you use it. Script Disclaimer, for people who need to be told this sort of thing: Never trust any script, including those that you find here, until you understand exactly what it does and how it will act on your systems. Always check the script on a test system or Virtual Machine, not a production system. Yes, there are always multiple ways to do things, and this script may not work in every situation, for everything. It’s just a script, people. All scripts on this site are performed by a professional stunt driver on a closed course. Your mileage may vary. Void where prohibited. Offer good for a limited time only. Keep out of reach of small children. Do not operate heavy machinery while using this script. If you experience blurry vision, indigestion or diarrhea during the operation of this script, see a physician immediately. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • Understanding Data Science: Recent Studies

    - by Joe Lamantia
    If you need such a deeper understanding of data science than Drew Conway's popular venn diagram model, or Josh Wills' tongue in cheek characterization, "Data Scientist (n.): Person who is better at statistics than any software engineer and better at software engineering than any statistician." two relatively recent studies are worth reading.   'Analyzing the Analyzers,' an O'Reilly e-book by Harlan Harris, Sean Patrick Murphy, and Marck Vaisman, suggests four distinct types of data scientists -- effectively personas, in a design sense -- based on analysis of self-identified skills among practitioners.  The scenario format dramatizes the different personas, making what could be a dry statistical readout of survey data more engaging.  The survey-only nature of the data,  the restriction of scope to just skills, and the suggested models of skill-profiles makes this feel like the sort of exercise that data scientists undertake as an every day task; collecting data, analyzing it using a mix of statistical techniques, and sharing the model that emerges from the data mining exercise.  That's not an indictment, simply an observation about the consistent feel of the effort as a product of data scientists, about data science.  And the paper 'Enterprise Data Analysis and Visualization: An Interview Study' by researchers Sean Kandel, Andreas Paepcke, Joseph Hellerstein, and Jeffery Heer considers data science within the larger context of industrial data analysis, examining analytical workflows, skills, and the challenges common to enterprise analysis efforts, and identifying three archetypes of data scientist.  As an interview-based study, the data the researchers collected is richer, and there's correspondingly greater depth in the synthesis.  The scope of the study included a broader set of roles than data scientist (enterprise analysts) and involved questions of workflow and organizational context for analytical efforts in general.  I'd suggest this is useful as a primer on analytical work and workers in enterprise settings for those who need a baseline understanding; it also offers some genuinely interesting nuggets for those already familiar with discovery work. We've undertaken a considerable amount of research into discovery, analytical work/ers, and data science over the past three years -- part of our programmatic approach to laying a foundation for product strategy and highlighting innovation opportunities -- and both studies complement and confirm much of the direct research into data science that we conducted. There were a few important differences in our findings, which I'll share and discuss in upcoming posts.

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  • Freshy Ubuntu 12.10 install (Newbie)

    - by Alexander Marcev
    Hi i just installed ubuntu 12.10 on my ssd(picture below) and i set up my home directory to the 1 TB disc(picture below). I want in general use the ssd as my root folder as u can see, and install only the apps which are necessary. Games and other stuff goes to the 1 TB disc, but this disc shows me in gparted a usage of 14 GB on a freshly install, whats wrong? What about the ssd, do i have to manually optimize things? thx Alex PS: What if i want to install a Game to my home folder, i heard sth. of a symbol link, how to do that?

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