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• Continuation - Viewing FIRST_ROWS before query completes.

  - by Frank Developer

  I have identified the query constructs my users normally use. would it make sense for me to create composite indexes to support those constructs and provide FIRST_ROWS capability? If I migrate from SE to IDS, I will loose the ability to write low-level functions with c-isam calls, but gain FIRST_ROWS along with other goodies like: SET-READS for…

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• configuring gps module ssf1513

  - by kudi

  hi i am developing code for gps tracker using gps module ssf1513. i don't know how to configure the gps module to power save mode , please guide me how to enter in input mode.

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• what mobile platform should I start learning?

  - by flybywire

  What mobile platform should I start learning? What matters is: ease popularity of platform low cost of SDK and actual handheld other criteria...

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• question about prime question

  - by davit-datuashvili

  i know that there are many binary operations to show that something is true for example we can show if number is power of two or something else is there some theory or special binary method to show if number is prime? thanks

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• Best way to do powerOf(int x, int n)?

  - by Mike

  So given x, and power, n, solve for X^n. There's the easy way that's O(n)... I can get it down to O(n/2), by doing numSquares = n/2; numOnes = n%2; return (numSquares * x * x + numOnes * x); Now there's a log(n) solution, does anyone know how to do it? It can be done recursively.

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• Autocorrelation returns random results with mic input (using a high pass filter)

  - by Niall

  Hello, Sorry to ask a similar question to the one i asked before (FFT Problem (Returns random results)), but i've looked up pitch detection and autocorrelation and have found some code for pitch detection using autocorrelation. Im trying to do pitch detection of a users singing. Problem is, it keeps returning random results. I've got some code…

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• Recommended Clang command line options

  - by frou

  The Manual for Clang seems to be work in progress, so could you help me formulate the definitive command line options for compiling ANSI-C (AKA C89, C90) with maximum strictness and relevant/helpful warnings? Clang is a compiler front end for the C, C++, and Objective-C programming languages. It uses the Low Level Virtual Machine…

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• Bitwise Operations -- Arithmetic Operations..

  - by RBA

  Hi, Can you please explain the below lines, with some good examples. A left arithmetic shift by n is equivalent to multiplying by 2n (provided the value does not overflow), while a right arithmetic shift by n of a two's complement value is equivalent to dividing by 2n(2 to the power n) and rounding toward…

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• Where is the VM in LLVM?

  - by anon

  Note: marked as community wiki. Where is the Low Level Virtual Machine in LLVM? I see that we have llvm-g++ and c-lang, but to me, a LLVM is something almost like Valgrind of a simulator, where instructions are executed on it, and I can write programs to instrument the running code / interrupt when certain conditions happen / etc ...…

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• Great UIKit/Objective-C one-Liners

  - by Nissan Fan

  New to Objective-C iPhone/iPod touch/iPad development, but I'm starting to discover lots of power in one-liners of code such as this: [UIApplication sharedApplication].applicationIconBadgeNumber = 10; Which will display that distinctive red notification badge on your app iphone with the number 10. Please share you favorite…

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• The C++ Standard: Book Recommendation.

  - by Nawaz

  I'm planning to buy this book: The C++ Standard: Incorporating Technical Corrigendum No. 1 http://www.flipkart.com/standard-british-standards-institution-incorporating-book-0470846747 Since it's cost is too much for me (being an Indian we've the habit of buying only low-price edition books :D), I want to make sure if this is…

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• Erlang programming exercises

  - by valya

  I'm learning Erlang. I've moved from Haskell so I don't want to and have to learn functional programming. But Erlang is quite specific because of the microprocesses. So, can you give me some examples which will be simple to test and measure and use all the power of Erlang?

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• handling NSStream events when using EASession in MonoTouch

  - by scotru

  Does anyone have an example of how to handle read and write NSStream events in Monotouch when working with accessories via EASession? It looks like there isn't a strongly typed delegate for this and I'm having trouble figuring out what selectors I need to handle on the delegates of my InputStream and OutputStream and what I…

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• What is holding up HD video conferencing on the web?

  - by Tristan

  What exactly is holding up real-time HD video conferencing on the web? Live, low-latency, video has lots of great applications beyond video chat: for instance, virtual desktops / vnc, remote control of applications, and server-side visualization. So what exactly are the technical barriers that remain? Existing video and…

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• Why are there so many data centres in Texas?

  - by jklp

  I've been searching for online hosting recently and have noticed a high concentration of hosting providers in Texas. Just wondering why this is? It couldn't be possibly be because of temperature (I don't think Texas is a particularly cool place to be) or maybe power is cheaper in Texas vs the rest of the States? Or…

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• how good is java's UUID.randomUUID?

  - by Alvin

  I know randomized UUID have very very very low probability for collision in theory, but I am wondering, in practice, how good is java 5's randonUUID in terms of not having collision? Does anybody have any experience to share?

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• How to access age restriction parental controls on iPhone sdk

  - by mike.fullerton

  Hi all, is there a way to programmatically access the age restriction set in the parental controls on the iPhone/iPad/iPod? I'd like to disallow features if the age restriction is too low. I've been searching around, but maybe I'm not using the right search terms or something. Any help appreciated. Maybe it just doesn't…

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• Hash Map Usage and Idea

  - by Anand

  Hi, I have been working in Java for the last 6 months and have been using Hash Maps What is the basic idea of a Hash Map ? I am using it as it easy for me to store so much data with direct key references rather than having to iterate through an arraylist ? Where is the power of Hash Map seen ? What is the scientific…

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• How can I see Eclipse compilation details log.

  - by alex2k8

  Is it possible to see Eclipse compilation details logs? After a number of project changes, the compilation speed became very low (~10 seconds after a simple file change). Whould be nice to see, what compilation steps take most time.

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• ClientRoleProvider and role caching...

  - by Kieron

  Hi, Is it possible to disable to the role caching when using the ClientRoleProvider? The application in question is a console application... I've tried setting 'cacheRolesInCookie' to false (I know it's a console app, but I was running low on ideas!) - but it had no affect.

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• how to change the icon of leaf node in dojo tree?

  - by Aru

  Hi, I have created a tree containing information about server and its VMs. I want to change the icon of VM to green if the VM is power on or to red if the VM is poweroff. How to achieve this?

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• HTTP basic authentication using sockets in python

  - by user352958

  How to connect to a server using basic http auth thru sockets in python .I don't want to use urllib/urllib2 etc as my program does some low level socket I/O operations

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• Prevent lock of windows detecting user idle time

  - by Zimelemon

  I work in a Windows Terminal Server enviroment where if you left the computer for a while, windows lock the session and terminal is power off. What i need is the code needed to send a message to Windows for it to believe the user is in front of the PC (mouse or keyboard activity). Thanks in advance

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• Display arbitrary size 2d image in opengl

  - by Martin Beckett

  I need to display 2d images in opengl using textures. The image dimensions are not necessarily powers of 2. I thought of creating a larger texture and restricting the display to the part I was using but the image data will be shared with openCV so I don't want to copy data a pixel at a time into a larger texture. EDIT…

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• How to write "Hello World" Program for MediaTek SDK?

  - by Mediatek Beginner

  Hi Friends, I know these days number of mobile handsets are increasing and Vendors are trying to produce low cost handsets and some how I got to know that MediaTek SDK is the right one to write program for these kind of handsets. Is there any one who knows which IDE should I use to write programs for these kind of…

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