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• How to define a new type (class) in Python using C API?

  - by ~mech

  Hi, I am trying to use the Python C API to define a new class inside a module that would expose certain functionality written in C to Python code. I specifically want to have it in the form of a class and not a set of module functions. However, I can't find anything regarding this particular task in the official documentation. The closest I could find is PyClass_New function (in the Python.h header) but it is not mentioned anywhere in the official docs, so I assume it is not supposed to be used. So, what is the proper way to define a new Python class from C code? Thanks.

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• ASP.NET jQuery Ajax posting forms

  - by Sir Psycho

  Hi, I can't seem to get the jQuery.ajax() function posting back any of my asp.net generated form controls. I've put a break point on the server side and there aren't any values. Is there a way around this or do I have to build up a list of what I want sent back? Another question slightly off topic, but it seems that although jQuery is a great JS library, it doesn't seem to integrate too well with .net. Has anyone given up with jQuery to perform server side interaction and just gone with ms ajax implementation?

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• Insert methode of TableAdapter not working?

  - by Stijn Leenknegt

  I'm using ADO.NET in my C# project. In my form I added a SourceBinding element from my toolbox in VS2010. I set the connection to the table of my dataset. It creates a DataAdapter automaticly for my. I want to insert a record, so I call the Insert() method of the DataAdapter. But when I view my database data, it doesn't have any new records... orderID = this.orderTableAdapter.Insert("", "", (int)OrderStatus.IN_CONSTRUCTION, DateTime.Now); Or do I need to insert it manually with the SqlCommand???

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• Why can I check some event handlers for null, some not?

  - by Inno

  Hi, I have a ugly piece of code that adds event handlers. The problem is, if the code is called multiple times, the event handlers are called multiple times. To solve the problem, I remove the event handler first and then add it. Now I've seen the following behaviour: Some event handlers can be checked like: if (object.event == null) { // // Code // } others of the form if (object.object.event == null) { // // Code // } I get a message like 'object.object.event' may only occur left of -= or +=. (Since I'm using a german version of visual studio, I don't know the correct translation to english). I have no idea why the behaviour looks this inconsequent so I would be grateful for some information on this. To be more specific: It's user control. if (myControl.Event == null) { // // works // } if (myControl.TreeView.NodeMouseClick == null) { // // doesn't work // }

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• How to make MDIChild Transparent?

  - by abhilashca

  I'd successfully made a normal Form Transparent by handling the OPACITY property. Now, I want to make an MDIChild (loaded in an MDIParent) transparent. Is that possible? I'd applied the same technique (mentioned above) for the MDIChild. But, was unsucessful. Is it possible to make the MDIChild tranparent. Does anyone had done that before? Any hekp will be appreciated. Thanks.

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• Modal forms get in the way of processing

  - by Botax

  I’m working on an interface in VB6 to interact with a sound editor to automate certain tasks mainly using the editor’s object handles and activating them through SendMessage/PostMessage. In general it works OK, except that the editor has some dialog boxes that open in modal mode and freeze everything on the interface, including the timers. Is there a practical way to get these dialog boxes to open modeless or to interact with them from the interface after they pop up? I tried an MDI form, but it also freezes along with everything else. The only way to override the modal mode of these boxes is to launch an independent applet beforehand to address the dialog boxes with a timer, but the process is somewhat cumbersome. All I need to do with the dialog boxes is click the OK button or hit the return key.

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• simple search in rails

  - by Adnan

  Hi, I'm making a simple search form in rails. In my search view I have two select boxes with fixed values like: SELECT BOX 1 SELECT BOX 2 ALL, ALL, FR, FR, US, US, DE DE And I have 2 fields in my DB with country_from and country_to. So for making a simple search like from FR to US I use: @search_result = Load.find(:all, :conditions => "country_from='#{params[:country_from]}' AND country_to='#{params[:country_to]}'" ) that is fine, but I need to implement the ALL option as well, so when I make a search like from DE to ALL I get a list with all countries in country_to I image I can do it with ifs...but what would be the most efficient way to do it?

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• How exactly do you use json_decode to pass a javascript array to php?

  - by Adam

  This is how I got my php array to javascript echo 'var daysofweek = '.json_encode($daysofweek).';'; Now I am aware that json_decode can do the opposite, however the problem is I don't know the syntax to do so. I tried: <script> var array_days = new Array(); array_days[] = "psdfo"; array_days[] = "bsdf"; <?php $array_days = json_decode(?>array_days<?php);?> </script> yes im clueless. I forgot to mention that I want to send an array through post, having all my information regarding all the form values dynamically created by javascript. Otherwise, I wouldn't know which name="" to look for as it will be decided by the user. Unless someone else has an alternative solution...

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• Syntax errors on Heroku, but not on local server

  - by Phil_Ken_Sebben

  I'm trying to deploy my first app on Heroku (rails 3). It works fine on my local server, but when I pushed it to Heroku and ran it, it crashes, giving a number of syntax errors. These are related to a collection of scopes I use like the one below: scope :scored, lambda { |score = nil| score.nil? ? {} : where('products.votes_count >= ?', score) } it produces errors of this form: "syntax error, unexpected '=', expecting '|' " "syntax error, unexpected '}', expecting kEND" Why is this syntax making Heroku choke and how can I correct it? Thanks!

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• Client validate non-model bound checkbox while using MVC 2 jQuery Validation

  - by Justin Saraceno

  Have: Using ASP.NET MVC 2, DataAnnotationsModel based server validation, and client validation with jQuery. Anything in my model is validated perfectly on the client with jQuery based validation (jQuery.validate and MicrosoftMvcJQueryValidation.js). Need: Adding an additional HTML <input type="checkbox" id="terms" /> to my form. I need jQuery validation to require that this checkbox is checked AND somehow hook it in with whatever jQuery client script MVC is automagically controlling. Yes, I know it won't validate on the server side, but I don't need or want it to. Seems like it should be simple but I'm new to MVC, a total beginner at jQuery, and my searches have been coming up blank. Any help would be appreciated!

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• Android - Opening phone deletes app state

  - by Tom G

  Hey everyone, I'm writing an android application that maintains a lot of "state" data...some of it I can save in the form of onSaveInstanceState but some of it is just to complex to save in memory. My problem is that sliding the phone open destroys/recreates the app, and I lose all my application state in the process. The same thing happens with the "back" button, but I overloaded that function on my way. Is there any way to overload the phone opening to prevent it from happening? Thanks in advance.

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• Accessing Variables in Javascript using .length

  - by CoV

  Hey all, I'm pretty new to Javascript, so forgive me if this is a simple question. I'm trying to access the length of a set of checkboxes in a form using Javascript. However, I need to be able to change the "name" field of the checkboxes to check several different sets of them. Right now, my sample code looks like: var set = "set" + x; totalLength = optionBoxes.set.length; The variable x is being incremented by a for loop that wraps the whole thing and the name of the checkbox sets that I'm trying to access are set0, set1, set2, etc. Thanks. Edit: small typo fixes

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• jquery, ajax, load post result to div

  - by mike

  Hello, I have a form that I need to post and show the result in a div. I'm not having any problems making the ajax call but I can't seem to figure out how to load the result to a div. I have tried: $.ajax({ type: 'POST', data: $('#someForm').serialize(), url: 'http://somedomain.com/my/url', success: function(data) { $('#someDiv').load(data); } }); but it does not seem to work properly. I'm nit sure if this should even work but the result is the the page i'm posting from being loaded into the div and not the url I'm posting to. Any help would be great! Thanks!

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• Application window sent behind other windows on closing different thread (C#)

  - by david.murrant

  I'm writing a Windows Forms Application in C#.NET On startup, the application displays a splash screen which is running in a separate thread. Whilst the splash screen is showing, the main application is initialising. Once the main application has finished initialising, the main form of the application is displayed, and the splash screen still shows over the top. Everything so far is as expected. Then, the Splash screen is closed, which causes that thread to exit. For some reason, at the point, the main application windows gets sent behind all other open Windows, notably the Windows Explorer window where you clicked the .exe file to run the application in the first place! What could be causing the windows to suddenly jump "behind" like this?

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• NodeJS + Express: res.redirect('back'); with params

  - by Ilya Rusanen

  I have register form on every page of my website. During registration some error may occur. After cathing error, I have to return user to previous page, showing some error tips. The problem is I dont know from which page user performs registration. That's why I use res.redirect('back');. However, I cant just redirect user back, I have to show him whats wrong. Thats why I have to pass some parameter. But res.redirect('back', (reg_error:'username')}) can not be used directly 'cause res.redirect() doesn't support parameters. How can I render prevous page with some parameter? Thanks!

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• Modify input stream data on the fly

  - by Frizi

  I would like to implement a std::stream modifier/parser, that is doing data manipulation on the fly. Is it possible to create it in form of stream manipulator? For example, i want to strip all the line comments (from any // to the end of line) out of the stdin and pass it to stdout. string str; istream strippingCin = cin >> stripcomments; while(strippingCin.good()) { strippingCin >> str; cout << str; } There may be also a large file input instead of cin, so i don't want to load full stream data into memory at once. Is it possible without writing my own stream class? Maybe is there another route i should take instead?

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• Seeking assistance with Escaping Data for MySQL queries

  - by JM4

  Please don't send me a link to php.net referencing mysql_real_escape_string as the only response. I have read through the page and while I understand the general concepts, I am having some trouble based on how my INSERT statement is currently built. Today, I am using the following: $sql = "INSERT INTO tablename VALUES ('', '$_SESSION['Member1FirstName'], '$_SESSION['Member1LastName'], '$_SESSION['Member1ID'], '$_SESSION['Member2FirstName'], '$_SESSION['Member2LastName'], '$_SESSION['Member2ID'] .... and the list goes on for 20+ members with some other values entered. It seems most people in the examples already have all their data stored in an array. On my site, I accept form inputs, action="" is set to self, php validation takes place and if validation passes, data is stored into SESSION variables on page 2 then redirected to the next page in the process (page 3) (approximately 8-10 pages in the whole process). thanks!

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• Trying to call JS Code that is passed back from AJAX call....

  - by Dutchie432

  Okay, so I have an javascript function that retrieves some HTML... function updateQuestions(i){ var url = 'getQuestions.php?sys=' + i; if (receiveReq.readyState == 4 || receiveReq.readyState == 0) { receiveReq.open("GET", url, true); receiveReq.onreadystatechange = handleQuestionsUpdate; receiveReq.send(null); } } function handleQuestionsUpdate() { if (receiveReq.readyState == 4) { var a=receiveReq.responseText; document.getElementById('questions').innerHTML=a; checkSpeakers(); //Error Occurs Here, even though checkSpeakers() is a function in the returned HTML chunk. } } This HTML is not just HTML, but it is more specifically a form and a chunk of javascript. The javascript is hard-coded into the HTML and not referenced by <script src=".."> Is it normal that this retrieved JS code isn't recognized upon call-time? If so, what is my alternative if I need the JS to change every time the div is update? Now

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• Question creating PDF document in Zend Framework

  - by deaddancer

  I need to take a ZF rendered view and create a PDF that should look pretty much exactly the same, and email it. The major issue I have right now is getting the HTML created by the view into a string that I can then process with the Zend_PDF::parse method. The view I need to turn into a PDF is the result of a posted form. I've tried grabbing the contents of ob_get_contents into a string after a successful post, but for some reason its not in there. Should I press on with this angle? Any help would be greatly appreciated!

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• Function for getting localized path?

  - by MartinStettner

  Windows 7 (and probably Windows Vista) display localized folder names using the LocalizedResourceName entry in the desktop.ini file. For my Documents folder, this looks like [.ShellClassInfo] LocalizedResourceName=@%SystemRoot%\system32\shell32.dll,-21770 IconResource=%SystemRoot%\system32\imageres.dll,-112 IconFile=%SystemRoot%\system32\shell32.dll IconIndex=-235 (see this question) This way the explorer displays the path "C:\Users\Username\Documents" as "C:\Benutzer\Username\Dokumente" on a german Windows. I wonder, if there's any build-in shell function to automatically get this localized name or, even better, transform a whole path into its localized form (best would be anything in .NET)? This is even more interesting as the LocalizedResourceName entry is only documented for Windows CE (see here). Thanks Martin

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• browser backbtn with javascript

  - by karthik

  Hi Folks, I am creating a quiz game in PHP. I maintain a session from the start to the end of the quiz. When the user clicks on the back button in the middle of the quiz It display a page with message "Confirm Form Resubmission This web page requires data that you entered earlier in order to be properly displayed" So, I m trying to keep it on the same page on click of back button I have handled the "onbeforeunload" event & it's firing up too. code snippet Redirectpage { javascript:window.history.forward(1); } but still am getting the same error? thankyou folks.

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• What's the best way to return something like a collection of `std::auto_ptr`s in C++03?

  - by Billy ONeal

  std::auto_ptr is not allowed to be stored in an STL container, such as std::vector. However, occasionally there are cases where I need to return a collection of polymorphic objects, and therefore I can't return a vector of objects (due to the slicing problem). I can use std::tr1::shared_ptr and stick those in the vector, but then I have to pay a high price of maintaining separate reference counts, and object that owns the actual memory (the container) no longer logically "owns" the objects because they can be copied out of it without regard to ownership. C++0x offers a perfect solution to this problem in the form of std::vector<std::unique_ptr<t>>, but I don't have access to C++0x. Some other notes: I don't have access to C++0x, but I do have TR1 available. I would like to avoid use of Boost (though it is available if there is no other option) I am aware of boost::ptr_container containers (i.e. boost::ptr_vector), but I would like to avoid this because it breaks the debugger (innards are stored in void *s which means it's difficult to view the object actually stored inside the container in the debugger)

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• what difference between NULL, blank and empty in php?

  - by I Like PHP

  i have one form which have some input box and some select box. i want to apply that nothing can be empty or blank before further activity, so i use below condition foreach($_POST as $k=>$v) { if($v=='' || $v==NULL || empty($v)) { $_SESSION['errMsg']=' Please fill all the fields properly'; header("location:somepage.php"); exit; } } now my question is: above if is useful or not? if not then which condition is enough to prevent blank entry $v=='' or $v==NULL or empty($v) or i have to use all of these conditions? Thanks in advance

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• Checking whether a user already exists in drupal.

  - by simonr

  Hello, When a user enters his login information and hits submit, i want to check if the user already exists or not. So, i have the following two questions 1. Which hook is needed to be implemented , for the case when user hits the submit button on the login form. I need the username entered by the user. 2. How to check if a user already exists in drupal or not programmatically ? Some sample code would be really appreciated. Please help. Thank You.

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• ASP.NET Radio Button State and Back Key

  - by Dave S

  When using the browser back key on a page with radio buttons and using auto-postback, the state of the buttons (checked) stays the same while other parts of the page do not. This results in a situation where button two is checked and the cached page (because of server-side logic) displays a message that button 1 is checked. What is the best way to handle this situation? The following code example exhibits this behavior: [Form:] <asp:RadioButton ID="rb1" runat="server" AutoPostBack="true" Text="Button1" OnCheckedChanged="rb_CheckedChanged" GroupName="rbgroup" Checked="true" /> <br /> <asp:RadioButton ID="rb2" runat="server" AutoPostBack="true" Text="Button2" OnCheckedChanged="rb_CheckedChanged" GroupName="rbgroup" /> <br /> <hr /> <asp:Label ID="lbl1" runat="server">Button 1</asp:Label> [Code Behind:] protected void rb_CheckedChanged(object sender, EventArgs e) { if (rb1.Checked == true) lbl1.Text = "Button 1"; else lbl1.Text = "Button 2"; }

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