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  • iphone sdk textbox

    - by Amy
    I'm learning programming iphone app. i need some help making a scrollable textbox with a image background. like the ipod music player with lyrics. thx

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  • internal implementation of database Queries

    - by harigm
    In my experience I have used many queries like select, order by, where clause etc.. in mysql, sql-server, oracle etc For a moment i have thought, 1)how is this internally written to implement the above queries 2) which language do they use? 3) is that programming language? if yes which language? 4)what kind of environment required to implement this kind of complex database

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  • taking integer input in java

    - by ruchir patwa
    I am actually new to java programming and am finding it difficult to take integer input and storing it in variables...i would like it if someone could tell me how to do it or provide with an example like adding two numbers given by the user..

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  • Sanitizing MySQL user parameters.

    - by Tom
    What are the dangerous characters that should be replaced in user input when the users' input will be inserted in a MySQL query? I know about quotes, double quotes, \r and \n. Are there others?(I don't have the option of using a smart connector that accepts parameters so I have to build the query myself and this will be implemented in multiple programming languages, including some obscure ones so solutions such as mysql_real_escape_string in PHP are not valid)

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  • How to detect if a doc document password protected

    - by StuffHappens
    Hello. I have a folder with lots of doc-documents and I need to upload their context into database. The problem is that some of them are password protected and I don't know the password. I would like to skip them but I don't know how to detect if password protection presents. If someone helps I'll appriciate it greatly. P.S. Programming language is C#.

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  • How do you iterate through each email in your inbox using python?

    - by djblue2009
    I'm completely new to programming and I'm trying to build an autorespoder to send a msg to a specific email address. Using an if statement, I can check if there is an email from a certain address in the inbox and I can send an email, but if there are multiple emails from that address, how can I make a for loop to send an email for every email from that specific address. I tried to do use this as a loop: for M.search(None, 'From', address) in M.select(): but I get the error: "can't assign to function call" on that line

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  • Where are run the Opengl commands?

    - by Lucas
    Hi, i'm programming a simple OpenGL program on a multi-core computer that has a GPU. The GPU is a simple GeForce with PhysX, CUDA and OpenGL 2.1 support. When i run this program, is the host CPU that executes OpenGL specific commands or the ones are directly transferred to the GPU ???

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  • If as assert fails, is there a bug?

    - by RichAmberale
    I've always followed the logic: if assert fails, then there is a bug. Root cause could either be: Assert itself is invalid (bug) There is a programming error (bug) (no other options) I.E. Are there any other conclusions one could come to? Are there cases where an assert would fail and there is no bug?

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  • what standards i should follow?

    - by moon
    i know it is not a programming related question but pretty much relate to IT field. i have to write a user manual for my product, and i am searching for a standard from last three days but i didn't find any useful information, can anyone guide me what standards exists there for this purpose (User Manual Writing ) , if there are some good suggestions that will also help me! thanx

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  • Creating a Virtual Webcam Device for OS X

    - by andsve
    I am looking for a solution to create a "virtual" webcam device under OS X (that acts just as a normal hardware webcam, but the application has full control over what to output). I'm fairly experienced with C++, but not so much with Objective-C and OSX/Cocoa programming. Anyone that can point me in the right direction, where to look and what I should be looking for? I've searched, but most of the results seems to focus on Windows and DirectX. Thanks!

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  • Camera and Image recognition

    - by kjh
    I recently watched a youtube video where a guy got a camera to recognize when a rubik's cube was held up to it, and it captured the 9 square color combination before snapping a picture of the cube and displaying the 3x3 grid on the screen of his computer. What kind of programming is this and where would I start reading to get into this sort of thing? specifically, controlling a camera, and getting it to pick out certain parts of an image and translate that data.

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  • How Linux programmers create GUI application without using IDE?

    - by CMW
    Hi, I have read some comments in some forums saying that Linux programmers usually do not use any IDE. They prefer to use Vim and Emacs to do their programming. If I'm not mistaken, Vim and Emacs are just text editors, similar to notepad, but with syntax highlighting. I just want to know how Linux programmers create complicated GUI application without using any IDE. Thanks.

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  • k-combinations of a set of integers in ascending size order

    - by Adamski
    Programming challenge: Given a set of integers [1, 2, 3, 4, 5] I would like to generate all possible k-combinations in ascending size order in Java; e.g. [1], [2], [3], [4], [5], [1, 2], [1, 3] ... [1, 2, 3, 4, 5] It is fairly easy to produce a recursive solution that generates all combinations and then sort them afterwards but I imagine there's a more efficient way that removes the need for the additional sort.

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  • Most popular mobile platform to develop on?

    - by Mohit Deshpande
    This question may not directly relate to programming. I have noticed that the technology of today has gone mobile. I want to go mobile with it. What is the most popular mobile OS?(excluding iPhone OS. Sorry, I don't have a Mac to develop on) Some choices could be BlackBerry OS, Windows Phone, Symbian OS, Android OS, etc. I want to make and sell applications for a mobile OS.

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  • Using OpenGL Without X-Window System

    - by user366250
    Hell every body , i am newbie in linux programming ( Not Windows ) . i want to know how i can using OpenGL on Linux Platform Without X-Window System , can i send OpenGL Graphics Directly to Framebuffer Device ?! There Is Project Named DirectFB ( Direct FrameBuffer ) . with DirectFB We can do this but DirectFB needs for driver for each hardware and i want to user a graphic card that only have linux driver . what is your suggestion to Me . Thanku.

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  • fread and fwrite are not recommended for use with structured data

    - by forest58
    A book beginning linux programming 3ed says "Note that fread and fwrite are not recommended for use with structured data.Part of the problem is that files written with fwrite are potentially nonportable between different machines." What does that mean exactly? what calls should I use if I want to write a portable structured data reader or writer? direct system calls?

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  • Ruby On Rails with HTML5 offline apps - Firefox does not cache the application.manifest but Safari does

    - by hoitomt
    I'm working off of this Railscast tutorial: episode 247 I’m up to this point in the tutorial: added the rack-offline gem, added the application.manifest route, and added a reference to the manifest in the html tag. Right before it starts talking about problems with caching. Safari works as intended – When the server is running the page is served. From the server logs I can see that Safari is making a single request to the server every time for the items page. When I turn off the server the page displays as well, even after shutting down the browser and restarting. It appears to be pulling from the application.manifest (cache manifest). Firefox does not work as intended – When accessing the page for the first time, Firefox lets me know that the web page wants to store something locally, I allow. After clicking on allow, Firefox makes 5 requests to the server for the page (from the server log). The hash is different in every request. Is it is possible that the changing hash is triggering Firefox to keep trying to get the new manifest until it reaches some maximum (5 attempts)? Then, after the server is stopped, Firefox will not show the page at all. It looks like it isn’t caching the application.manifest. Firefox also gives you a way to see what sites are storing stuff locally by going to Tools/Options/Advanced/Network (Firefox/Preferences/Advanced/Network on Apple). I see localhost there but the size is 0 bytes. So for some reason, Firefox is not downloading my application.manifest along with the files

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  • Getting the Position of an Android phone by using GPS

    - by poeschlorn
    Hey, it's me again, I've got another question regarding to basic Android programming: How can I access the GPS for getting the current Position of the mobile phone the app is running on? How long can this take to retrieve the information? In this case the GPS might be disabled, how can I enable/disable it again. Which permissions must be granted in the andorid manifest? Greetings and thanks for ur answers, poeschlorn

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  • Qt: Is it possible to use mixins technique?

    - by Eye of Hell
    Hello. Qt library includes advanced meta-programming capabilities using they own preprocessing moc compiler. Does anyone knows, is it possible to create some kind of mix-ins via it? For example, i have a QString and want to add a method to it without sub-classing and changing existing code. Does Qt have such solutions for that?

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