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• Markup filter wanted for a public website

  - by sibidiba

  Developing a community site where everyone can post text, I'm looking for a markup filter: What is not part of the markup must be escaped (htmlspecialchars()) as it is. Should turn URL-s automatically into links Should support some form of basic markups (bold, image, url, pre, list) Should have a simple parser, that turns user input text into HTML Content on the site is public to everyone, XSS must not allowed to happen. What do you suggest? What markup language in the first place? BBCode? Wiki? Markdown? Are there any complete API-s with good examples? PHP is available on the server side. If there is a WYSIWYG-like texarea in addition (like here on SO) that would be a fantastic bonus!

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• How to set the pointer to the current row in the Datagridview in C Sharp

  - by user286546

  I have a datagridview on the Windows Form in c#. I am updating and filling the table adapter on the cell event. The problem is that When I go to lower half of the datagrid which is not visible until I scroll down, as I click any cell, the table adapter is filled and updated and the pointerpoints to the very first row. Any suggestion on how to fix it. I have a ideas to record the top row of the datagridview that is visible and set the pointer to that row. But how to do it?

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• filtering for multiple values on one column. All values must exist, else - return zero

  - by Andrew

  Hello All, I would like to filter one column in a table for couple values and show results only if all those values are there. If one or more is missing, then return zero results. example table +----+--------+----------+ | id | Fruit | Color | +----+--------+----------+ | 1 | apple | red | | 2 | mango | yellow | | 3 | banana | yellow | +----+--------+----------+ example "wrong" code: (this must return 3 rows) select Fruit FROM table WHERE Color = red AND Color = yellow but select Fruit FROM table WHERE Color = red AND Color = green must return 0 rows. (If i use select Fruit FROM table WHERE Color = red OR Color = green i get 1 row which is not what i need) I am using PHP with form where user checks different checkboxes that represent different values of the same column. So when he selects multiple checkboxes, all those values should be in the result set, otherwise no result should be given. Thank you, Andrew

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• Mathematica - Import CSV and process columns?

  - by Casey

  I have a CSV file that is formatted like: 0.0023709,8.5752e-007,4.847e-008 and I would like to import it into Mathematica and then have each column separated into a list so I can do some math on the selected column. I know I can import the data with: Import["data.csv"] then I can separate the columns with this: StringSplit[data[[1, 1]], ","] which gives: {"0.0023709", "8.5752e-007", "4.847e-008"} The problem now is that I don't know how to get the data into individual lists and also Mathematica does not accept scientific notation in the form 8.5e-007. Any help in how to break the data into columns and format the scientific notation would be great. Thanks in advance.

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• Sqlalchemy+elixir: How query with a ManyToMany relationship?

  - by Hugo

  Hi, I'm using sqlalchemy with Elixir and have some troubles trying to make a query.. I have 2 entities, Customer and CustomerList, with a many to many relationship. customer_lists_customers_table = Table('customer_lists_customers', metadata, Column('id', Integer, primary_key=True), Column('customer_list_id', Integer, ForeignKey("customer_lists.id")), Column('customer_id', Integer, ForeignKey("customers.id"))) class Customer(Entity): [...] customer_lists = ManyToMany('CustomerList', table=customer_lists_customers_table) class CustomerList(Entity): [...] customers = ManyToMany('Customer', table=customer_lists_customers_table) I'm tryng to find CustomerList with some customer: customer = [...] CustomerList.query.filter_by(customers.contains(customer)).all() But I get the error: NameError: global name 'customers' is not defined customers seems to be unrelated to the entity fields, there's an special query form to work with relationships (or ManyToMany relationships)? Thanks

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• IAuthenticationRequest.RedirectToProvider is not supposed to return, yet it does

  - by ripper234

  The method DotNetOpenAuth.OpenId.RelyingParty.IAuthenticationRequest.RedirectToProvider() is documented never to return: Redirects the user agent to the provider for authentication. Execution of the current page terminates after this call. However, it does return under the latest implementation (3.4.3). I'm using the following code: using (var relayingParty = new OpenIdRelyingParty()) { var response = relayingParty.GetResponse(); if (response == null) { // Stage 2: user submitting Identifier var openId = Request.Form["openId"]; relayingParty.CreateRequest(openId).RedirectToProvider(); throw new Exception("Never gets here"); } ... } (The line with "Never gets here" is reached). I need to return an ActionResult from this method ... Is this a known bug? Is there a aorkaround? Should I return EmptyResult? As far as I understand this is a bug - I submitted it in the project issue tracker.

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• Basic question about std::vector instantiation

  - by recipriversexclusion

  This looks simple but I am confused: The way I create a vector of hundred, say, ints is std::vector<int> *pVect = new std::vector<int>(100); However, looking at std::vector's documentation I see that its constructor is of the form explicit vector ( size_type n, const T& value= T(), const Allocator& = Allocator() ); So, how does the previous one work? Does new call the constructor with an initialization value obtained from the default constructor? If that is the case, would std::vector<int, my_allocator> *pVect = new std::vector<int>(100, my_allocator); where I pass my own allocator, also work?

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• Make NSFormatter validate NSTextFieldCell continuously

  - by harms

  In Cocoa, I have an NSOutlineView where the cells are NSTextFieldCell. The cell displays values which are strings that are formatted according to certain rules (such as floats or pairs of floats with a space in between). I have made a custom NSFormatter to validate the text, and this seems to work with no problem. However, the cell (or the outline view, I'm unsure what is causing this) only seems to use the formatter at the moment my editing would end. If I type some alphabetic characters into the text field (which violates the formatting rules), these characters show up -- the only way I notice the formatter doing its job is that I'm now prevented from moving keyboard focus away from this cell. If I return the contents of the cell to a valid form, then I can move focus away. I have set both the cell and the outline view to be "continuous". It would be better if I was unable to enter text into the cell in the first place. Is it possible to make it like that, and if so, how?

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• After extending the User model in django, how do you create a ModelForm?

  - by mlissner

  I extended the User model in django to include several other variables, such as location, and employer. Now I'm trying to create a form that has the following fields: First name (from User) Last name (from User) Location (from UserProfile, which extends User via a foreign key) Employer (also from UserProfile) I have created a modelform: from django.forms import ModelForm from django.contrib import auth from alert.userHandling.models import UserProfile class ProfileForm(ModelForm): class Meta: # model = auth.models.User # this gives me the User fields model = UserProfile # this gives me the UserProfile fields So, my question is, how can I create a ModelForm that has access to all of the fields, whether they are from the User model or the UserProfile model? Hope this makes sense. I'll be happy to clarify if there are any questions.

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• How to synch SQLite data to server in iPhone

  - by crawler486

  Hello Guys, I'm a total noob when it comes to iPhone development and have been tasked to create a database app that can download and upload sqlite data to and from a server via http using web services. So far I already have a form for retrieving and saving data to a SQLite database and now I need some information on how I can upload the SQLite data to a server. The SQLite database will only have one table with 3 columns and about 200 rows max. I hope somebody can point me to the right direction or lead me to some sample codes. Appreciate any help.

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• Looking for the most painless non-RDBMS storage method in C#

  - by NateD

  I'm writing a simple program that will run entirely client-side. (Desktop programming? do people still do that?) and I need a simple way to store trivial amounts of data in a structured form, but really don't see any need to use a database system. What's more, some of the data needs to be serialized and passed around to different users, like some kind of "file" or perhaps a "document". (has anyone ever done that before?) So, I've looked at using .Net DataSets, LINQ, direct XML manipulation, and they all seem like they would get the job done, but I would like to know before I dive into any of them if there's one method that is generally regarded as easier to code than others. As I said, the amount of data to be stored is trivial, even if one hundred people all used the same machine we're not talking about more than 10 MB, so performance is not as large a concern as is codeability/maintainability. Thank you all in advance!

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• Python Solitaire

  - by Kevin

  This is more of a thought i had awhile rather than an actual problem to solve, maybe more a discussion, but i was wondering if it would be possible to design the game of solitaire and be abkle to play it in the python GUI or some other form of iterface? I know you can get a deck of cards fairly easily and i know yuo can play simple games like snap and so on but i thought solitaire would be more challenging and fun because there is alot more logic behind it than just laying out the cards randomly. Any ideas? (I would be intrested to hear about or see any solutions if anyone had any links etc..)

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• Django file uploads - Just can't work it out

  - by phoebebright

  OK I give up - after 5 solid hours trying to get a django form to upload a file, I've checked out all the links in stackoverflow and googled and googled. Why is it so hard, I just want it to work like the admin file upload? So I get that I need code like: if submitForm.is_valid(): handle_uploaded_file(request.FILES['attachment']) obj = submitForm.save() and I can see my file in request.FILES['attachment'] (yes I have enctype set) but what am I supposed to do in handle_uploaded_file? The examples all have a fixed file name but obviously I want to upload the file to the directory I defined in the model, but I can't see where I can find that. def handle_uploaded_file(f): destination = open('fyi.xml', 'wb+') for chunk in f.chunks(): destination.write(chunk) destination.close() Bet I'm going to feel really stupid when someone points out the obvious!

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• Need tips for better usability for tabular data with pagination

  - by Anil Namde

  Hi all, Just another day i found myself writing code to show data on the UI. I am again using DataGrid/GridView (ASP.NET), User Id as link button (clickable) to redirect user to another page. User having hard time to find where to click(Though the link has underline and hand pointer as usual on hover) just another common table like structure Following are the columns for example, User ID (Link button), User Name, First Name, Last Name, Date Of Birth Now i would like to make it better form the usability point of view. Can someone suggest a good link, example or suggestions to make it better. Thanks all,

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• DataList Control in vb.net windows application forms

  - by KoolKabin

  Hi guys, I am upgrading my application from vb6 to vb.net. I used to populate my data in datalist control in vb6 forms. I am not finding it in vb.net windows form application. Which one control is the equivalent to it? How can i list my data in that control? just like: I had a table with data like id, name I want the name should be the displayed column and id the bound column? how can i do that

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• Rails show latest entry

  - by Danny McClelland

  Hi Everyone, I have a working Rails application on version 2.3.5 - I am using many to many model relations and have got almost everything working. What I would like to do is on my new kase page show the most recent kase job ref at the top. So for example, if I created a new kase with a job ref of "001", if I then went to create a new kase it would show at the top "Your previous kases reference was 001". I have the field of jobref in the new kase form, so I am trying to workout what I need to do to output only the last jobref. If that makes sense! Thanks, Danny

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• DataReceived Event handler not receiving messages using c#

  - by karthik

  I'm using the below code to receive the messages using serial port event handler. But it dosent receives any.I am not getting errors. The code breaks in "string msg = comport.Readline()" Am i doing something wrong ? public partial class SerialPortScanner : Form { private SerialPort comPort = new SerialPort(); public SerialPortScanner() { InitializeComponent(); comPort.Open(); comPort.DataReceived += new SerialDataReceivedEventHandler(comPort_DataReceived); } void comPort_DataReceived(object sender, SerialDataReceivedEventArgs e) { if (comPort.IsOpen == true) { string msg = comPort.ReadLine(); MessageBox.Show(msg); } } }

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• Rails: Polymorphic User Table a good idea with AuthLogic?

  - by sscirrus

  Hi everyone, I have a system where I need to login three user types: customers, companies, and vendors from one login form on the home page. I have created one User table that works according to AuthLogic's example app at http://github.com/binarylogic/authlogic_example. I have added a field called "User Type" that currently contains either 'Customer', 'Company', or 'Vendor'. Note: each user type contains many disparate fields so I'm not sure if Single Table Inheritance is the best way to go (would welcome corrections if this conclusion is invalid). Is this a polymorphic association where each of the three types is 'tagged' with a User record? How should my models look so I have the right relationships between my User table and my user types Customer, Company, Vendor? Thanks very much!

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• xml with special character, encoding utf-8

  - by Sergio Morieca

  I have a few simple questions, because I got confused reading all difference responses. 1) If I have an xml with prolog: and I'm going to unmarshall it with Java (for example: JaXB). I suppose, that I can't put CROSS OF LORRAINE (http://www.fileformat.info/info/unicode/char/2628/index.htm) inside, but I can put "\u2628", correct? 2) I've also heard that UTF-8 doesn't contain it, but anything in Unicode can be saved with encoding UTF-8 (or UTF-16), and here is an example from this page: UTF-8 (hex) 0xE2 0x98 0xA8 (e298a8) Is my reasoning correct? Can I use this form and put it in the xml with utf-8 encoding?

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• Control Windows VM from Linux Host

  - by vy32

  I am looking for a tool that will allow me to monitor and control programs running inside a Windows VM from the Linux host machine. I realize that this is similar to what a rootkit would do, and I am completely happy to use some hacker software if it provides the necessary functionality (and if I can get it in source-code form). If I can't find something, I'll have to write it using C. Probably an embedded HTTP server running on an odd port and doing some kind of XMLRPC thing. Here is the basic functionality I need: Get list of running processes Kill a process. Start a process Read/write/create/delete files I would like to: - Read contents of screen - Read all controls on screen. - Send arbitrary click to a Windows control. Does anything like this exist?

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• Django admin.py missing field error

  - by user782400

  When I include 'caption', I get an error saying EntryAdmin.fieldsets[1][1]['fields']' refers to field 'caption' that is missing from the form In the admin.py; I have imported the classes from joe.models import Entry,Image Is that because my class from models.py is not getting imported properly ? Need help in resolving this issue. Thanks. models.py class Image(models.Model): image = models.ImageField(upload_to='joe') caption = models.CharField(max_length=200) imageSrc = models.URLField(max_length=200) user = models.CharField(max_length=20) class Entry(models.Model): image = models.ForeignKey(Image) mimeType = models.CharField(max_length=20) name = models.CharField(max_length=200) password = models.URLField(max_length=50) admin.py class EntryAdmin(admin.ModelAdmin): fieldsets = [ ('File info', {'fields': ['name','password']}), ('Upload image', {'fields': ['image','caption']})] list_display = ('name', 'mimeType', 'password') admin.site.register(Entry, EntryAdmin) admin.site.register(Image)

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• Unpacking Argument Lists and Instantiating WTForms objects from web.py

  - by Morris Cornell-Morgan

  After a bit of searching, I've found that it's possible to instantiate a WTForms object in web.py using the following code: form = my_form(**web.input()) web.input() returns a "dictionary-like" web.storage object, but without the double asterisks WTForms will raise an exception: TypeError: formdata should be a multidict-type wrapper that supports the 'getlist' method From the Python documentation I understand that the two asterisks are used to unpack a dictionary of named arguments. That said, I'm still a bit confused about exactly what is going on. What makes the web.storage object returned by web.input() "dictionary-like" enough that it can be unpacked by ** but not "dictionary-like" enough that it can be passed as-is to the WTForms constructor? I know that this is an extremely basic question, but any advice to help a novice programmer would be greatly appreciated!

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• c# compact-framework textbox mouseleave

  - by arnoldino

  hello, I would like to leave the textbox via code. when user clicks in the textbox, and types in something , and then the user will click outside the textbox. on the screen there are just labels. only this one textbox is on the form. my problem is, that the textbox does not lost focus when I click everywhere on the screen. the texbox it still has the focus. this textbox is used to filter a list, built from labels. the complete story is: - I have no mainmenu on the screen, so the Sip icon is not visible - user clicks in the textbox, and i bring up the SIP, in the textbox.GotFocus event - user types in some letters, the list is filtered - if user clicks away, the SIP disappears (textbox.lostfocus), but the textbox still has the focus, I mean the cursor remains in the textbox - when user wants to type some other letters for filtering, it clicks in the textbox, but GotFocus does not fire how can I make the texbox to loose the focus?

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• CakePHP dynamic element

  - by Logic Artist

  I am trying to create a message-board type element in a CakePHP app. This element will be displayed on all pages and views that use a particular layout. I want it to display all the messages in the model, then show the add form when a link is clicked, then return to the updated message list when submitted. All this without affecting the current view/page. I have my message model/controller/index set up, with a message board element that requests the index action. This works fine. However I am perplexed about how to return back to the original page/action from which the link was clicked. I can't use $this-referer() because that will link back to the add() action; what I want rather is to link to the page/view before that. Any general pointers on how to achieve something like this?

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• forwarding a notification to another class

  - by Mike

  I am using this method - (void)keyboardWillShow:(NSNotification *)notification that is triggered when the keyboard shows. When this method is triggered, it receives a notification that contains several parameters about the keyboard, as the animation duration, animation curve and frame. I need to forward this notification and all its parameters to another class. So, I've tried to do this inside keyboardWillShow: [[NSNotificationCenter defaultCenter] postNotificationName:@"doSomething" object:notification userInfo:nil]; the doSomething notification runs doSomething method on another class, and it has this form: - (void) doSomething:(NSNotification *)notification { but when I try to read the notification values on this other class, using, for example, myRect = [[[notification userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue]; I obtain zero for all values. The notification is losing its parameters and not being forwarded. How can I do that? thanks.

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