Search Results

Search found 8929 results on 358 pages for 'multi touch'.

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

Page 129/358 | < Previous Page | 125 126 127 128 129 130 131 132 133 134 135 136  | Next Page >

  • What are some useful SQL statements that should be known by all developers who may touch the Back en

    - by Jian Lin
    What are some useful SQL statements that should be known by all developers who may touch the Back end side of the project? (Update: just like in algorithm, we know there are sorting problems, shuffling problems, and we know some solutions to them. This question is aiming at the same thing). For example, ones I can think of are: Get a list of Employees and their boss. Or one with the employee's salary greater than the boss. (Self-join) Get a list of the most popular Classes registered by students, from the greatest number to the smallest. (Count, group by, order by) Get a list of Classes that are not registered by any students. (Outer join and check whether the match is NULL, or by Get from Classes table, all ClassIDs which are NOT IN (a subquery to get all ClassIDs from the Registrations table)) Are there some SQL statements that should be under the sleeve of all developers that might touch back end data?

    Read the article

  • iPad as programming platform--What future do touch screens have with programming?

    - by user94154
    I read this question a few weeks ago. I thought about it when I first saw the iPad. Do you think it would be possible to set up a development environment on the iPad? I think it would be awesome if there was an InstantRails App, a Django App, maybe even 280 North's Atlas could run on it :). Would you develop using an on-screen keyboard and a 10 inch screen? Steve Jobs seems to think touch-screens are the future of web browsing. What Future does touch have with programming?

    Read the article

  • Are there Vi/Vim users who aren't touch typists?

    - by michael
    I'm trying to write a Vim tutorial and I'd like to start by dismissing a few misconceptions, as well as giving some recommendations. I don't know if I should dismiss touch-typing as a misconception, or include it as a recommended prerequisite. At the time I learned the editor, I had already been touch typing for a couple of years, so I have absolutely no idea what would be the experience of a two-fingered typist in Vim. Are you a vim two-fingered typist? what has your experience been like?

    Read the article

  • Cocoa (Touch) for Swing Developers #1: Where Are the Layouts?

    - by yar
    My iPhone SDK and Objective-C learning is moving ahead quickly, thanks to several great books and online help (including this one). But I do have some basic questions due to what I already know that will be answered eventually, but I'd rather get a heads-up now if possible :) Are there equivalents for LayoutManagers in Cocoa Touch? Are they used, or is absolute positioning used instead? I have seen some of the layout stuff in IB, but I'm not sure what to look at in code. Aside from using the IB, are UIControls added directly to UIView instances using the addSubview (like add in Swing)? These are just two concrete questions that I've thought of just now, but I would love to see any translation of Swing concepts to Cocoa Touch.

    Read the article

  • Working of trashcan utility in tru64 Unix server.. or any other utility??

    - by RBA
    Hi, I used this mktrashcan command mktrashcan deleteMe1 trashcan/ And then i Deleted all the contents inside deleteMe1 directory(rm -rf*).. But then what happend is only the two text files which are inside the deleteMe1(deleteMe2.txt, deleteMe3.txt) directory were moved into the trashcan folder.. Rest of the directories and files inside the directories were not foundd!! Isn't there any other way, so that whatever is deleted, moves exactly the same way to the trashcan directory??? Or is there Any Other Utility that can perform the same task but in advance way.. mkdir deleteMe1 mkdir deleteMe1/deleteMe2 mkdir deleteMe1/deleteMe3 touch ./deleteMe1/deleteMe2/deleteMe4.txt touch ./deleteMe1/deleteMe2/deleteMe5.txt touch ./deleteMe1/deleteMe3/deleteMe6.txt touch ./deleteMe1/deleteMe3/deleteMe7.txt touch ./deleteMe1/deleteMe2.txt touch ./deleteMe1/deleteMe3.txt Thankss..

    Read the article

  • XNA Windows Phone 7 Sprite movement

    - by Darren Gaughan
    I'm working on a Windows phone game and I'm having difficulty with the sprite movement. What I want to do is make the sprite gradually move to the position that is touched on screen, when there is only one quick touch and release. At the minute all I can do is either make the sprite jump instantly to the touch location or move along to the touch location when the touch is held down. Code for jumping to touch location: TouchCollection touchCollection = TouchPanel.GetState(); foreach (TouchLocation tl in touchCollection) { if ((tl.State == TouchLocationState.Pressed) || (tl.State == TouchLocationState.Moved)) { Vector2 newPos = new Vector2(tl.Position.X,tl.Position.Y); if (position != newPos) { while (position.X < newPos.X) { position.X += (float)theGameTime.ElapsedGameTime.Milliseconds / 10.0f * spriteDirectionRight; } } } } Code to gradually move along while touch is held: TouchCollection touchCollection = TouchPanel.GetState(); foreach (TouchLocation tl in touchCollection) { if ((tl.State == TouchLocationState.Pressed) || (tl.State == TouchLocationState.Moved)) { Vector2 newPos = new Vector2(tl.Position.X,tl.Position.Y); if (position != newPos) { position.X += (float)theGameTime.ElapsedGameTime.Milliseconds / 10.0f * spriteDirectionRight; } } } These are in the Update() method of the Sprite class.

    Read the article

  • What alternatives do I have if I want a distributed multi-master database?

    - by Jonas
    I will build a system where I want to reduce single-point-of-failures, and I need a database. Is there any (free) relational database systems that can handle multi-master setups good (i.e where it is easy to add and remove nodes) or is it better to go with a NoSQL-database? As what I have understood, a key-value store will handle this better. What database system do you recommend for a multi-master (cluster) setup?

    Read the article

  • Are Multi-column Primary Keys in MySQL a optimisation problem?

    - by David
    Been looking into using multi-column primary keys and as performance is extremely important with the size of traffic and database I need to know if there is anything to consider before I start throwing out the unique ID method on many of my tables and start using mulit column primary keys. So, what are the performance/optimisation pros/cons to using multi column primary keys versus a basic single column, auto-inc primary key?

    Read the article

  • Python: Multi list comprehension, is there such an unwieldy beast of prey ?

    - by bandana
    consider the following python 'code'. it demonstrates the concept of a multi-list comprehension: start = ['a', 'b', 'c'] middle = ['r', 'a', 'a'] finish = ['t', 'r', 't'] l = [s.upper() + m + f for s in start, m in middle, e in finish] >>> print l ['Art', 'Bar', 'Cat'] Alas, the above code does not work in python. What would be a good approximation of multi-list comprehension in python? Please discuss what happens when the lists have different lengths.

    Read the article

  • What are the implications of multi-tasking in iOS 4.0 for developers?

    - by MrDatabase
    I just watched this video from Apple that shows multi-tasking on the new iPhone (running iOS 4.0). What are the implications of multi-tasking to developers? Include both positives and negatives. For example what happens if the user decides to launch two resource-intensives apps at the same time, one of the apps crashes and progress in a game (for example) is lost. Should developers be considering this when writing apps for the new OS and phone?

    Read the article

  • What to do if one library is not multi-threaded ?

    - by LB
    Hi, I would like to multi-thread an application, however one library i'm using is not multi-thread capable (i don't know what's the right word ? synchronized ?). What are my options ? As far as i know there's nothing in between threads and processes (Runtime.exec) in java (no abstraction in the jvm to have something like an isolated "java process"). How would you deal with that ?

    Read the article

  • MySQL-Cluster or Multi-Master for production? Performance issues?

    - by Phillip Oldham
    We are expanding our network of webservers on EC2 to a number of different regions and currently use master/slave replication. We've found that over the past couple of months our slave has stopped replicating a number of times which required us to clear the db and initialise the replication again. As we're now looking to have servers in 3 different regions we're a little concerned about these MySQL replication errors. We believe they're due to auto_increment values, so we're considering a number of approaches to quell these errors and stabilise replication: Multi-Master replication; 3 masters (one in each region), with the relevant auto_increment offsets, regularly backing up to S3. Or, MySQL-Cluster; 3 nodes (one in each region) with a separate management node which will also aggregate logs and statistics. After investigating it seems they both have down-sides (replication errors for the former, performance issues for the latter). We believe the cluster approach would allow us to manage and add new nodes more easily than the Multi-Master route, and would reduce/eliminate the replication issues we're currently seeing. But performance is a priority. Are the performance issues of MySQL-Cluster as bad as people say?

    Read the article

  • Activating active PuTTY window in MTPuTTY with AutoHotkey script doesn't work

    - by Piotr Dobrogost
    I'm using Multi-Tabbed PuTTY and I wrote AutoHotKey script to rerun the command which was run as the last one. However the active PuTTY window (inside MTPuTTY) does not get activated thus sending keys has no effect. CTRL+` is a hotkey to Switch between the application and active PuTTY window. How to fix this? WinWait, MTPuTTY (Multi-Tabbed PuTTY), IfWinNotActive, MTPuTTY (Multi-Tabbed PuTTY), , WinActivate, MTPuTTY (Multi-Tabbed PuTTY), WinWaitActive, MTPuTTY (Multi-Tabbed PuTTY), Send, {CTRLDOWN}`{CTRLUP} Send, {UP}{ENTER}

    Read the article

  • Can iPad/iPhone Touch Points be Wrong Due to Calibration?

    - by Kristopher Johnson
    I have an iPad application that uses the whole screen (that is, UIStatusBarHidden is set true in the Info.plist file). The main window's frame is set to (0, 0, 768, 1024), as is the main view in that frame. The main view has multitouch enabled. The view has code to handle touches: - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { for (UITouch *touch in touches) { CGPoint location = [touch locationInView:nil]; NSLog(@"touchesMoved at location %@", NSStringFromCGPoint(location)); } } When I run the app in the simulator, it works pretty much as expected. As I move the mouse from one edge of the screen to the other, reported X values go from 0 to 767. Reported Y values go from 20 to 1023, but it is a known issue that the simulator doesn't report touches in the top 20 pixels of the screen, even when there is no status bar. Here's what's weird: When I run the app on an actual iPad, the X values go from 0 to 767 as expected, but reported Y values go from -6 to 1017. The fact that it seems to work properly on the simulator leads me to suspect that real devices' touchscreens are not perfectly calibrated, and mine is simply reporting values six pixels too low. Can anyone verify that this is the case? Otherwise, is there anything else that could account for the Y values being six pixels off from what I expect? (In a few days, I should have a second iPad, so I can test this with another device and compare the results.)

    Read the article

  • Was Visual Studio 2008 or 2010 written to use multi cores?

    - by Erx_VB.NExT.Coder
    basically i want to know if the visual studio IDE and/or compiler in 2010 was written to make use of a multi core environment (i understand we can target multi core environments in 08 and 10, but that is not my question). i am trying to decide on if i should get a higher clock dual core or a lower clock quad core, as i want to try and figure out which processor will give me the absolute best possible experience with Visual Studio 2010 (ide and background compiler). if they are running the most important section (background compiler and other ide tasks) in one core, then the core will get cut off quicker if running a quad core, esp if background compiler is the heaviest task, i would imagine this would b e difficult to seperate in more then one process, so even if it uses multi cores you might still be better off with going for a higher clock cpu if the majority of the processing is still bound to occur in one core (ie the most significant part of the VS environment). i am a vb programmer, they've made great performance improvements in beta 2, congrats, but i would love to be able to use VS seamlessly... anyone have any ideas? thanks, erx

    Read the article

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

< Previous Page | 125 126 127 128 129 130 131 132 133 134 135 136  | Next Page >