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  • JQuery and PHP validation problem?

    - by DuH
    I want to do the validation on my PHP side and then have my JQuery code display your changes have been saved when the submit button is clicked but the JQuery code states that the changes have been saved even when the validation fails. How can i fix this so that PHP can do the validation and then JQuery can do its thing when PHP has finished its validation? Here is my Jquery code. $(function() { $('#changes-saved').hide(); $('.save-button').click(function() { $.post($('#contact-form').attr('action'), $('#contact-form').serialize(), function(html) { $('div.contact-info-form').html(html); $('#changes-saved').hide(); $('#changes-saved').html('Your changes have been saved!').fadeIn(4000).show(); }); $('a').click(function () { $('#changes-saved').empty(); $('#changes-saved').hide(); }); return false; // prevent normal submit }); });

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  • Matrix multiplication using Matrix Template library (MTL 4)

    - by Lxc
    The program is as following: #include <iostream> #include <boost/numeric/mtl/mtl.hpp> using namespace mtl; int main(int argc, char* argv[]) { dense_vector<double> a(5,1.0); dense_vector<double> b(5,2.0); a * trans(b); } I want to calculate a * trans(b), but there is a compling error :C2893. Will someone help me? Thanks a lot!

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  • Solving C++ 'target of assignment not really an lvalue' errors

    - by Jason
    Given this code: void FrMemCopy(void *to, const void *from, size_t sz) { size_t sz8 = sz >> 3; size_t sz1 = sz - (sz8 << 3); while (sz8-- != 0) { *((double *)to)++ = *((double *)from)++; } while (sz1-- != 0) { *((char *)to)++ = *((char *)from)++; } } I am receiving target of assignment not really an lvalue warnings on the 2 lines inside the while loops. Can anyone break down those lines? a cast then an increment? What is a simplier way to write that? What does the error mean?

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  • Importing CSV with line breaks in Excel 2007

    - by ph0enix
    I'm working on a feature to export search results to a CSV file to be opened in Excel. One of the fields is a free-text field, which may contain line breaks, commas, quotations, etc. In order to counteract this, I have wrapped the field in double quotes ("). However, when I import the data into Excel 2007, set the appropriate delimiter, and set the text qualifier to double quote, the line breaks are still creating new records at the line breaks, where I would expect to see the entire text field in a single cell. I've also tried replacing CR/LF (\r\n) with just CR (\r), and again with just LF (\n), but no luck. Has anyone else encountered this behavior, and if so, how did you fix it? TIA, -J

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  • How do I make a expanding textbox?

    - by jpjp
    I want to make a textbook where it starts out as a given width/height. Then if users type more then the given amount of space, the textbox expands downward. How do I go about doing this? Do I use css? The basic textbox just displays a scroll bar when users pass the number of rows allow. How do I make it so the textbox expands the rows by say 5 more? <form method="post" action=""> <textarea name="comments" cols="50" rows="5"></textarea><br> <input type="submit" value="Submit" /> </form> How do i use the example that Robert Harvey mentioned? I never used javascript before..

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  • jQuery: Post form to a modal window for previewing the entered data

    - by superUntitled
    I am looking for a way to use jQuery to allow a user to look at a modal window "preview" of a form before they submit the form to be saved. I have this working with javascript, the form is posted to a file named preview.php that iterates through the posted information. The script currently opens a new window. I would like instead to use jQuery to post the form to a modal window for previewing. Does anyone have any thoughts on how to do this? This is what I am currently using: <script language="JavaScript"> function preview(form) { form.target='_blank'; form.action='http://example.com/preview.php'; form.submit(); } </script> <input type="button" value="preview" onclick='preview(this.form)'>

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  • extracting the post parameters from a form using javascript/jQuery before submission

    - by Bunny Rabbit
    how can i get the parameters of any form being submitted with method=post before it's submitted using javascript(preferably jQuery). What i am trying to do is get the post parameters and submit it to an alternate loacation. i was using $('form').submit(function(){ alert('action= '+$(this).attr("action")); alert('serialized string'+ $(this).serialize()); return false; }); but it works only with get request i want to extract the parameters from the post requests too .

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  • upload form only works in Firefox when uploading ASCII .stl 3D files

    - by NathanPDX
    uploadform.html and upload_file.php (below) works fine in Firefox but fails in Chrome, IE, and Safari when uploading ASCII .stl 3D files. Error message is "Invalid file" and problem occurs with multiple computers and multiple .stl files. When I modify the code to support other file types like JPG and PDF it allows those file types in all three web browsers. Also, Firefox only allows the .stl upload if I include application/octet-stream in the mime types section. Why doesn't this work outside of Firefox? uploadform.html: <!doctype html> <html> <body> <form action="upload_file.php" method="post" enctype="multipart/form-data"> <label for="file">Filename:</label> <input type="file" name="file" id="file" /> <br /> <input type="submit" name="submit" value="Submit" /> </form> </body> </html> upload_file.php: <!doctype html> <html> <body> <?php $allowedExts = array("stl"); $extension = end(explode(".", $_FILES["file"]["name"])); if ( ( ($_FILES["file"]["type"] == "application/sla") || ($_FILES["file"]["type"] == "application/octet-stream") || ($_FILES["file"]["type"] == "text/plain") || ($_FILES["file"]["type"] == "application/unknown") ) && ($_FILES["file"]["size"] < 2000000) && in_array($extension, $allowedExts) ) { if ($_FILES["file"]["error"] > 0) { echo "Return Code: " . $_FILES["file"]["error"] . "<br />"; } else { echo "Upload: " . $_FILES["file"]["name"] . "<br />"; echo "Size: " . ($_FILES["file"]["size"] /1024) . " KB<br />"; if (file_exists("upload/" . $_FILES["file"]["name"])) { echo $_FILES["file"]["name"] . " already exists. "; } else { move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" . $_FILES["file"]["name"]); echo "successful upload"; } } } else { echo "Invalid file"; } ?> </body> </html>

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  • C++ a map to a 2 dimensional vector

    - by user1701545
    I want to create a C++ map where key is, say, int and value is a 2-D vector of double: map myMap; suppose I filled it and now I would like to update the second vector mapped by each key (for example divide each element by 2). How would I access that vector iteratively? The "itr-second[0]" syntax in the statement below is obviously wrong. What would be the right syntax for that action? for(std::map<in, vector<vector<double> > > itr = myMap.begin(); itr != myMap.end();++itr) { for(int i = 0;i < itr->second[0].size();++i) { itr->second[0][i] /= 2; } } thanks, rubi

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  • Shell script syntax error: unexpected end of line

    - by user1557674
    I wrote a simple shell script to check for the existence of a xml file and if it exists, then rename an old xml file to be backup and then move the new xml file to where the old xml file was stored. #!/bin/sh oldFile="/Documents/sampleFolder/sampleFile.xml" newFile="/Documents/sampleFile.xml" backupFileName="/Documents/sampleFolder/sampleFile2.backup" oldFileLocation="/Documents/sampleFolder" if [ -f "$newFile" ] ; then echo "File found" #Rename old file mv $oldFile $backupFileName #move new file to old file's location mv $newFile $oldFileLocation else echo "File not found, do nothing" fi However, every time I try to run the script, I get 4 command not found messages and a syntax error: unexpected end of file. Any suggestions on why I get these command not found errors or the unexpected end of file? I double checked that I closed all my double quotes, I have code highlight :) EDIT: output from running script: : command not found: : command not found: : command not found1: : command not found6: replaceXML.sh: line 26: syntax error: unexpected end of file

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  • Member variable in C++ class that is always constant for all objects of that class?

    - by user1799323
    I'm constructing a class where I have three member variables that I want to always be the same value NO MATTER WHAT. I have class foo{ public: double var_1, var_2, var_3; double x=1, y=2, z=3; [functions go here] }; that gave me an error since I can't initialize a variable like that. But I want x, y and z to always be 1, 2 and 3 respectively. I tried defining them outside the class but that doesn't work since I want them to be member variables of the class. How do I do this?

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  • How do you stop a dynamically loaded form from submitting with jquery?

    - by Zak
    I'm working on an AJAX login system. Right now, when the user clicks on a link, the login form is dynamically loaded when the person clicks on a "log in" link. Since I'm using AJAX for this, I want to prevent the form from actually submitting when the submit button is clicked. I tried the following code as part of my load function, and the form loads correctely, but the form still submits normally. $('#loginBox').load('loginform.php'); $('#loginBox form').submit(function(event) { event.preventDefault(); }); How can I fix this?

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  • How can i use listDictionary?

    - by Phsika
    i can fill my listdictinary but, if running error returns to me in " foreach (string ky in ld.Keys)"(invalid operation Exception was unhandled) Error Detail : After creating a pointer to the list of sample collection has been changed. C# ListDictionary ld = new ListDictionary(); foreach (DataColumn dc in dTable.Columns) { MessageBox.Show(dTable.Rows[0][dc].ToString()); ld.Add(dc.ColumnName, dTable.Rows[0][dc].ToString()); } foreach (string ky in ld.Keys) if (int.TryParse(ld[ky].ToString(), out QuantityInt)) ld[ky] = "integer"; else if(double.TryParse(ld[ky].ToString(), out QuantityDouble)) ld[ky]="double"; else ld[ky]="nvarchar";

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  • MySQL update query, how to skip empty values?

    - by Pawel
    I've got such query: $sql = "UPDATE test_accs SET acc_owner = '$owner_id', acc_policy_version = '$version', acc_policy_last_update = '$approved', acc_policy_next_update = '$renewed' WHERE acc_id = '1'"; Now, all of these values on the web folmular are optional, one can set one of these values, two, or so. Now, after I submit the form, it goes in the query like that: UPDATE test_accs SET acc_owner = '2', acc_policy_version = '1.2', acc_policy_last_update = '2012-12-19', acc_policy_next_update = '2012-12-18' WHERE acc_id = '1' It works only when I submit all values from the form. Can you please show me how could it work even if not all the values has been sent, just for example one of them? When I set one value (f.ex. policy version), it looks like that: UPDATE test_accs SET acc_owner = '', acc_policy_version = '1.2', acc_policy_last_update = '', acc_policy_next_update = '' WHERE acc_id = '1' and it isn't working. It might be possible cause of the acc_owner table values? #1366 - Incorrect integer value: '' for column 'acc_owner' at row 1 Thanks in advice.

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  • What's wrong with this addProximity code?

    - by Pentium10
    I have this code: private void setupProximity() { Intent intent = new Intent(this, viewContacts.class); PendingIntent sender = PendingIntent.getBroadcast(this, 0, intent, 0); LocationUtils.addProximity(this, -37.40, 144.55, 1000, 1000000, sender); } public static void addProximity(Context ctx,double lat, double lon, float rad,long exp, PendingIntent pintent) { LocationManager lm = (LocationManager) ctx.getSystemService(Context.LOCATION_SERVICE); lm.addProximityAlert(lat, lon, rad, exp, pintent); } Why I don't get the class to fire up? I am in the range of the zone.

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  • jquery ajax form success callback not being called

    - by Michael Merchant
    I'm trying to upload a file using "AJAX", process data in the file and then return some of that data to the UI so I can dynamically update the screen. I'm using the JQuery Ajax Form Plugin, jquery.form.js found at http://jquery.malsup.com/form/ for the javascript and using Django on the back end. The form is being submitted and the processing on the back end is going through without a problem, but when a response is received from the server, my Firefox browser prompts me to download/open a file of type "application/json". The file has the json content that I've been trying to send to the browser. I don't believe this is an issue with how I'm sending the json as I have a modularized json_wrapper() function that I'm using in multiple places in this same application. Here is what my form looks after Django templates are applied: <form method="POST" enctype="multipart/form-data" action="/test_suites/active/upload_results/805/"> <p> <label for="id_resultfile">Upload File:</label> <input type="file" id="id_resultfile" name="resultfile"> </p> </form> You won't see any submit buttons because I'm calling submit with a button else where and am using ajaxSubmit() from the jquery.form.js plugin. Here is the controlling javascript code: function upload_results($dialog_box){ $form = $dialog_box.find("form"); var options = { type: "POST", success: function(data){ alert("Hello!!"); }, dataType: "json", error: function(){ console.log("errors"); }, beforeSubmit: function(formData, jqForm, options){ console.log(formData, jqForm, options); }, } $form.submit(function(){ $(this).ajaxSubmit(options); return false; }); $form.ajaxSubmit(options); } As you can see, I've gotten desperate to see the success callback function work and simply have an alert message created on success. However, we never reach that call. Also, the error function is not called and the beforeSubmit function is executed. The file that I get back has the following contents: {"count": 18, "failed": 0, "completed": 18, "success": true, "trasaction_id": "SQEID0.231"} I use 'success' here to denote whether or not the server was able to run the post command adequately. If it failed the result would look something like: {"success": false, "message":"<error_message>"} Your time and help is greatly appreciated. I've spent a few days on this now and would love to move on.

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  • Failing rspec Rails Tutorial Chapter 9.3

    - by greyghost24
    I am failing 3 tests and I have found numerous examples on here and on on the internet in general but I can't seem to find where I'm going wrong. Thanks for any help. 1) User pages signup with valid information edit page Failure/Error: before { visit edit_user_path(user) } ActionView::Template::Error: undefined method `model_name' for NilClass:Class # ./app/views/users/edit.html.erb:6:in `_app_views_users_edit_html_erb___4113112884365867193_70232486166220' # ./spec/requests/user_pages_spec.rb:96:in `block (5 levels) in <top (required)>' 2) User pages signup with valid information edit page Failure/Error: before { visit edit_user_path(user) } ActionView::Template::Error: undefined method `model_name' for NilClass:Class # ./app/views/users/edit.html.erb:6:in `_app_views_users_edit_html_erb___4113112884365867193_70232486166220' # ./spec/requests/user_pages_spec.rb:96:in `block (5 levels) in <top (required)>' 3) User pages signup with valid information edit page Failure/Error: before { visit edit_user_path(user) } ActionView::Template::Error: undefined method `model_name' for NilClass:Class # ./app/views/users/edit.html.erb:6:in `_app_views_users_edit_html_erb___4113112884365867193_70232486166220' # ./spec/requests/user_pages_spec.rb:96:in `block (5 levels) in <top (required)>' Finished in 0.26515 seconds 3 examples, 3 failures Failed examples: rspec ./spec/requests/user_pages_spec.rb:100 # User pages signup with valid information edit page rspec ./spec/requests/user_pages_spec.rb:99 # User pages signup with valid information edit page rspec ./spec/requests/user_pages_spec.rb:101 # User pages signup with valid information edit page authentication_pages_spec.rb require 'spec_helper' describe "Authentication" do subject { page } describe "signin page" do before { visit signin_path } it { should have_selector('h1', text: 'Sign in') } it { should have_selector('title', text: 'Sign in') } end describe "signin" do before { visit signin_path } describe "with invalid information" do before { click_button "Sign in" } it { should have_selector('title', text: 'Sign in') } it { should have_selector('div.alert.alert-error', text: 'Invalid') } describe "after visiting another page" do before { click_link "Home" } it { should_not have_selector('div.alert.alert-error') } end end describe "with valid information" do let(:user) { FactoryGirl.create(:user) } before do fill_in "Email", with: user.email fill_in "Password", with: user.password click_button "Sign in" end it { should have_selector('title', text: user.name) } it { should have_link('Profile', href: user_path(user)) } it { should have_link('Sign out', href: signout_path) } it { should_not have_link('Sign in', href: signin_path) } describe "followed by signout" do before { click_link "Sign out" } it { should have_link('Sign in') } end end end end Here is the users_controller: class UsersController < ApplicationController def show @user = User.find(params[:id]) end def new @user = User.new end def create @user = User.new(params[:user]) if @user.save sign_in @user flash[:success] = "Welcome to the Sample App!" redirect_to @user else render 'new' end end end def edit @user = User.find(params[:id]) end edit.html.erb: <% provide(:title, "Edit user") %> <h1>Update your profile</h1> <div class="row"> <div class="span6 offset3"> <%= form_for(@user) do |f| %> <%= render 'shared/error_messages' %> <%= f.label :name %> <%= f.text_field :name %> <%= f.label :email %> <%= f.text_field :email %> <%= f.label :password %> <%= f.password_field :password %> <%= f.label :password_confirmation, "Confirm Password" %> <%= f.password_field :password_confirmation %> <%= f.submit "Save changes", class: "btn btn-large btn-primary" %> <% end %> <%= gravatar_for @user %> <a href="http://gravatar.com/emails">change</a> </div> here is the user_pages_spec: require 'spec_helper' describe "User pages" do subject { page } describe "profile page" do let(:user) { FactoryGirl.create(:user) } before { visit user_path(user) } it { should have_selector('h1', text: user.name) } it { should have_selector('title', text: user.name) } end describe "signup page" do before { visit signup_path } it { should have_selector('h1', text: 'Sign up') } it { should have_selector('title', text: full_title('Sign up')) } end describe "signup" do before { visit signup_path } describe "with invalid information" do it "should not create a user" do expect { click_button "Create my account" }.not_to change(User, :count) end describe "error messages" do before { click_button "Create my account" } it { should have_selector('title', text: 'Sign up') } it { should have_content('error') } end end describe "with valid information" do before do fill_in "Name", with: "Example User" fill_in "Email", with: "[email protected]" fill_in "Password", with: "foobar" fill_in "Confirmation", with: "foobar" end it "should create a user" do expect do click_button "Create my account" end.to change(User, :count).by(1) end describe "after saving the user" do before { click_button "Create my account" } let(:user) { User.find_by_email('[email protected]') } it { should have_selector('title', text: user.name) } it { should have_selector('div.alert.alert-success', text: 'Welcome') } it { should have_link('Sign out') } end end end describe "signup page" do before { visit signup_path } it { should have_selector('h1', text: 'Sign up') } it { should have_selector('title', text: full_title('Sign up')) } end describe "signup" do before { visit signup_path } let(:submit) { "Create my account" } describe "with invalid information" do it "should not create a user" do expect { click_button submit }.not_to change(User, :count) end end describe "with valid information" do before do fill_in "Name", with: "Example User" fill_in "Email", with: "[email protected]" fill_in "Password", with: "foobar" fill_in "Confirmation", with: "foobar" end it "should create a user" do expect { click_button submit }.to change(User, :count).by(1) end describe "edit" do let(:user) { FactoryGirl.create(:user) } before { visit edit_user_path(user) } describe "page" do it { should have_selector('h1', text: "Update your profile") } it { should have_selector('title', text: "Edit user") } it { should have_link('change', href: 'http://gravatar.com/emails') } end describe "with invalid information" do before { click_button "Save changes" } it { should have_content('error') } end end end end end edit: users_controllers.rb was formatted incorrectly. It should look like this: class UsersController < ApplicationController def show @user = User.find(params[:id]) end def new @user = User.new end def create @user = User.new(params[:user]) if @user.save sign_in @user flash[:success] = "Welcome to the Sample App!" redirect_to @user else render 'new' end end def edit @user = User.find(params[:id]) end end

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  • C++ integer floor function

    - by Thomas
    I want to implement greatest integer function. int x = 5/3; My question is with greater numbers could there be a loss of precision as 5/3 would produce a double? EDIT: Greatest integer function is integer less than or equal to X. Example: 4.5 = 4 4 = 4 3.2 = 3 3 = 3 What I want to know is 5/3 going to produce a double? Because if so I will have loss of precision when converting to int. Hope this makes sense. RE-EDIT: What OP calls 'greatest integer' most of us call 'floor'.

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  • is there a way to remove duplication in this code

    - by oo
    i have a method that looks like this: private double GetX() { if (Servings.Count > 0) { return Servings[0].X; } if (!string.IsNullOrEmpty(Description)) { FoodDescriptionParser parser = new FoodDescriptionParser(); return parser.Parse(Description).X; } return 0; } and i have another method that looks like this: private double GetY() { if (Servings.Count > 0) { return Servings[0].Y; } if (!string.IsNullOrEmpty(Description)) { FoodDescriptionParser parser = new FoodDescriptionParser(); return parser.Parse(Description).Y; } return 0; } is there anyway to consolidate this as the only thing different is the property names?

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  • How can I draw the control points of a Bézier Path in Java?

    - by Sanoj
    I have created a Path of Bézier curves and it works fine to draw the path. But I don't know How I can draw the Control Points together with the Path. Is that possible or do I have to keep track of them in another datastructure? I am creating the path with: Path2D.Double path = new Path2D.Double(); path.moveTo(0,0); path.curveTo(5, 6, 23, 12, 45, 54); path.curveTo(34, 23, 12, 34, 2, 3); And drawing it with: g2.draw(path);

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  • STL: how to overload operator= for <vector> ?

    - by MBes
    There's simple example: #include <vector> int main() { vector<int> veci; vector<double> vecd; for(int i = 0;i<10;++i){ veci.push_back(i); vecd.push_back(i); } vecd = veci; // <- THE PROBLEM } The thing I need to know is how to overload operator = so that I could make assignment like this: vector<double> = vector<int>; I've just tried a lot of ways, but always compiler has been returning errors... Is there any option to make this code work without changing it? I can write some additional lines, but can't edit or delete the existing ones. Ty.

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  • Haskell: Problems with overloading: Interpreter can´t tell which + to use

    - by Ben
    Hi, I want to make functions Double - Double an instance of the Num typeclass. I want to define the sum of two functions as sum of their images. So I wrote instance Num Function where f + g = (\ x - (f x) + (g x)) Here the compiler complains he can´t tell whether I´m using Prelude.+ or Module.+ in the lambda expression. So I imported Prelude qualified as P and wrote instance Num Function where f + g = (\ x - (f x) P.+ (g x)) This compiles just fine, but when I try to add two functions in GHCi the interpreter complains again he can´t tell whether I´m using Prelude.+ or Module.+. Is there any way I can solve this problem?

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  • encode data in get request

    - by user902395
    <!DOCTYPE html> <html> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <body onload="searchForPrograms.submit();"> <form id="searchForPrograms" name="searchForPrograms" enctype="application/x-www-form-urlencoded" method="get" action="searchingEngine.php"> <input type="text" id="query" name="query" value="MyProgram" /><br> <input type="submit" value="Search" /> </form> </body> The get request should have the form like "searchingEngine.php?query=%22MyProgram%22". How can I encode the value of the query input correctly?

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