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  • Is it verified that iPad cannot create ad hoc wifi networks?

    - by godofbiscuits
    Has anyone been able to verify that the iPad cannot create an ad hoc network? It has different radio hardware (the fact that it does 802.11n demonstrates this) than the iPhones, which I thought was the reason that the iPhones could not create WiFi networks. I know this was sort of answered elsewhere, but I wanted it to get proper attention with its own question and by more tag coverage. Jeff, your god of biscuits. ;)

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  • which of these modes : cbc,cfb,ctr,ecb,ncfb,nofb,ofb,stream are secure and which are absolute no-no

    - by user393087
    By security I mean that encoded string is indistinguishable from random noise and is different on every encryption of the same text so it is impossible to make a guess on encryption algorithm used or do any dictionary attack on the encoded text. Second: output string length does not correspond to the input string length in easy way, so it is not possible of make guessing on that account. Third: it is possible to verify that the provided password is incorrect so the decoding function could return false instead of supposedly decoded random string.

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  • how plot a matrix on a wxframe?

    - by milton
    I am starting on wx, and I need to plot a matrix (like a grid) that is stored on a list of lists on wx Frame. My matrix have to values, and I would like to set different colors for each values. mymatrix=[[100,200,200,200,100,200,200,200,100,100], [200,200,100,100,100,100,200,200,100,200], [100,100,200,200,100,100,100,100,100,100], [100,200,200,100,200,100,100,200,200,200], [200,100,200,100,100,100,100,200,100,100], [100,200,200,100,200,200,100,200,100,100], [200,100,200,100,100,100,200,100,100,100], [200,200,100,200,100,200,200,200,200,200], [200,200,200,100,200,200,200,100,100,100], [100,100,100,200,200,200,100,200,200,100]] a = numpy.array(landscape_matrix) im = Image.fromarray(a) I can show it using im.show() but I need to plot it on a wx frame. All help is welcome. [email protected]

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  • Highlight certain choices in a combo box

    - by calico-cat
    I've got a dropdown box with some items in it that are more popular than others, and I'd like those to have a different background colour (say, Color.AliceBlue) when the combobox is expanded. I see BackColor but is there a way to apply background colour to just a single item?

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  • crt0 and crt1 -- What's the difference?

    - by Earlz
    Hello, recently I've been trying to debug some low level work and I could not find the crt0.S for the compiler(avr-gcc) but I did find a crt1.S What is the difference between these two files? Is crt1 something completely different or what?

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  • What is the best way to get an element's tag name in JS?

    - by webdestroya
    I want to get the name of a certain tag (to tell whether it is a div/input/span/p/so on) I found that there are 3 different attributes that give me the tag name: tagName, nodeName, and localName My question is: Which one is the most supported in all browsers? And/or is there a method to get the tag name in Prototype (I looked but couldn't find one)?

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  • Problem with user login validation by authlogic

    - by Andrei
    Hi, I want to use email for signing in, and to allow users to have similar names. One way to do this is to rename login/username field to something different. However, I want to do it just by setting up authlogic. I tried the following acts_as_authentic do |c| c.login_field :email c.validate_login_field false c.validate_email_field true end but it still complains that the login already exists. What must be done to avoid username validation without renaming the field?

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  • iPhone OpenGL ES

    - by Chaoz
    Hello, Since I'm not familiar with iPhone development I'd like to know whether it is possible to use OpenGL ES1.0 on the iPhone 3gs rather than 2.0. I'd like to share a code base across different mobile platforms and not having to deal with the programmable pipeline from OGLES 2.0 could speed up an initial build. Thanks

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  • Multiple layouts in rails [Newbie Q]

    - by BriteLite
    Hi. As a newb, I decided to build a "home inventory" application. I am now stuck on how to programmatically select a layout based on what type of item it is when viewing it in a browser. According to my planning, so far I should have created a few models to represent types of items I can find in my home: Furniture, Electronics and Books. class Book < ActiveRecord::Base end class Furniture < ActiveRecord::Base end class Electronic < ActiveRecord::Base end Now the Books model has things like isbn, pages, address, and category. Furniture model has things like color, price, address, and category. Electronics has things like name, voltage, address, and category. Here is where I got confused. I know the property address is going to be the same for all of them. I also know that, I will need to create multiple "layouts" for 3 different types of items to show the different properties of said items with appropriate graphics and stylesheets. But how will I go about deciding which category the item is so I can determine which layout to render. According to me, this is how I will do it: class DisplayController < ApplicationController def display @item = Params[:item] if @item.category = "electronics" render :layout => 'electronics' end end In my routes.rb map.display ':item', :controller => 'display', :action => 'display' I only seem to have one concern with this, I probably will add a lot of categories later on and think there should be a more DRY-esque way of dealing, rather than hardcoding them. I understand that I need to add into my layout html tags to display relevant information for that particular category. ----Questions---- Is this the right way to approach this type of problem. Will this approach be compatible when I decide to add a gem like *thinking_sphinx* to run search. What issues do you see with my approach and how can I make it better. I was reading something about "Polymorphic Assoc", does that apply in this case, since category exist for all items? Also, I was trying to get a routes to render a URL like "http://localhost/living-room-tv"

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  • Is it good to add line-height in body?

    - by metal-gear-solid
    Is it good to add line-height in body{line-height:1.5} or it would be better if i add separately for tag by tag like p{ line height:1em} etc. Edit: body {line-height:in em} create problem with if we put image with float inside Edit: 24 April 2010: If i have to add different line heights to elements like p { 1.4} h1 {1.6} h2 { 1.2} ul li { 1.1} then shouldn't i use line height in body { 1.4} if body { 1.4} and h1 {1.6} then what would be line height for h1?

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  • How to implement MVP pattern for a tabcontrol?

    - by John_Sheares
    I have an application that has a tabcontrol with 5 tabpages of information that user interacts with. Also, there are contextual menus and toolbars for editing and formatting the information. Do I create a different view & presenter for each tab page or the tabcontrol iteself? How do I apply the pattern to the toolbars and menus that can interact with any of the tabs?

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  • Does EGit mandate installing JGit?

    - by Souper
    After using Git from the command line for a while, I am ready for the convenience a GUI plugin (for Eclipse) can offer. However, I prefer a Git plugin similar to to MS Visual Studio's Git Source Control Provider which is only a wrapper around the already installed msysgit. I really don't want two different Git implementations accessing the same repository. EGit sounds perfect - if it can use the already installed msysgit in my PC. But can it?

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  • Microsoft Blend 3 - Add Silverlight SDK Themes

    - by photo_tom
    I'm working on my first WPF project and would like to use one of the themes that I see in the Silverlight Tool Kit. All the help I've found is for Expression 2 and they show a different version of the Asset Tab. Can someone advise me how to do this. It looks like it should be simple, but I'm not seeing it.

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  • Design Pattern for "Context Sensitive" Right Click Menu

    - by MadSeb
    Hi, What is a design pattern I can use for generating "context-sensitive" right click menus ? I have in mind a "Windows Explorer"-like application where a user can right click on a folder and get a list of menu items but right click on a drive and get a totally different list. What design pattern should I use ? Would the factory design pattern be appropiate for handling such a menu ? Regards, Seb

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  • Is application is runned under IIS or VS web-server

    - by zerkms
    How to determine whether asp.net (mvc2) application is running under IIS (7) or VS internal web-server? Clarification why I need this: I'm composing different dependency graph for IoC-container (ninject) that depends on the workaround (develop - when local VS, and production - when IIS) Or may be another great solution so I can simply differ 3 workarounds: local (VS), test server (IIS) or production server (IIS). How in this case to differ the server? By PC name?

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  • jQuery + sexy alerts + javascript menus

    - by BibiBuBu
    Good Day! i am working on page which has Javascript Menus (dont know how made, i think they are in compressed form) Jquery Sexy Alerts now my problem is that when i want to add any type of jquery calender, it wont work :(, i have tried different possibilities found here, but yet invain. Can somebody guide me. OR some body give me suggestion to use a calender that is compatible with any other framework. help is appreciated. Thanks

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