Últimas 20 preguntas

I work hierarchical categories and products table for my project. ...

I have an NSButton that, when clicked, opens an NSPopover, my only problem is that when the button is clicked again, the NSPopover opens again on top of the other one, the pop over is opened using: ...

Hi all I have a dropdown box on a view. I have a find statement that returns a list of templates, when I debug the find, it prints out the correct list of template.id and template.name however when I submit the form it carries across the number it is in the list for example if I select the 5th ...

I want to take an image from webcam. How can I do this? ...

When attempting to create a new TFS Team Project from VS2012 I received the following error after pressing finish. ...

I've seen a program that can print itself, like below: ...

currently trying to use flask and wtforms to make an html form. ...

So I have three models.. a Crag has one or more CragLocations and each CragLocation has a Location. I can query for a certain subset of crags using ...

I have an android app that gets an HTTP response from a webservice, which I process into an array of strings. I than try to display those strings in a ListView. they do not need to be clicked for any action, just displayed and be scroll-able. ...

I want to resize an image (jpg, png, gif) without losing the transparency. ...

I am trying to render a wireframe 3D Model using SlimDX. ...

I am trying to set custom font and color (white) for font in my app's navigation bar title. Instead of white I get gray text color. ...

I have spent the last week trying to make an encrypted 'checkout with paypal' button. ...

NSBlockOperation *blockOperation = ^{NSLog(@"This is an NSBlockOperation");}; ...

If I have a user who is already logged onto facebook but remove my app from his/her account, how can I just prompt for the publish_stream only upon entering my app again since the user has already logged in? ...

I am trying to create a filling method which takes the initial coordinate specified by the user, checks the character and then changes it as desired. After doing so, it then checks adjacent squares and repeats the process. After some research, I came across the flood fill algorithm and after trying ...

Example input string: test:)test:)test:) :) test:p test ...

How to catch the voice input when user start speaking, as like talking tom application. ...

I'm currently working with an update query, that works as expected until I add in criteria that makes the query not display any results (which I expected). The criteria is currently coming from textboxes on a form. ...

Hi this question got asked before: How do you deep copy a multidimensional NSMutableArray and its contents? ...