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• Polled I/O on MIPS

  - by Krewie

  Hello , i'm currently implementing a calculator in MIPS which uses the polled I/O method for fetching information. I put a beq $v0, 120, exit # exit if input = ('x') on the main part of the code to tell that whenever something is fetched is equal to x, it should branch the exit function. The only problem is that my code works fine with the keyboard/display simulator on MARS but i get the interrupt exception 6 on SPIM. Why is this happening and how can i help it ? //Thx in advance

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• Extended Django base-class with multiple instances

  - by Gijs

  I'm modeling a simple movie database using Django. models.py defines a base model Person. I extend Person into Actor and Director, which works as I imagined. Persons must be unique. When (in the Admin) I create an instance of Actor, and this person is also a Director, it won't save because of the unique = True. Any ideas how to solve this problem? (generic foreign keys?) Thx

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• Cocos2d: Move a Sprite along a path/bezier ?

  - by eemceebee

  Hi I need to move a sprite from one CGPoint to another using Cocos2d for the Iphone. The problem is that the animation should be along a bezier. Basically I would use this : id move = [CCMoveTo actionWithDuration:.5f position:ccp(100,200)]; [sprite runAction:move]; Now how can I do this in a non linear path ? Thx

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• How to use websocket to strengthen ajax?

  - by DonaldIsFreak

  HTML5 will be next super star. So~~~How to using new idea to implement AJAX on the WebSocket in HTML5 spec? thx....

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• Connect controls in Visual Studio 2010 UML Modeling Diagrams

  - by Dim

  I've tried to create UML diagram with MSVS 2010 b2 today and I've faced a problem. After I added controls from toolbox (such as Class, Interface) I could not connect these items! So connecting controls have been disabled on the toolbox when I tried to drag it on working area. How to connect UML controls? thx

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• Surface development: Translate/Rotate/Scale items without ScatterView

  - by Maarten

  Hi, Is it possible to transalte/rotate/scale items without a ScatterView? I want to manipulate items which can be on top of other elements like a button, list or a custom control which should be static . When I add them to a ScatterView, they all become ScatterViewItems which is not the desired effect. Thx! Maarten

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• Get points from a Gdirections route

  - by Twan

  Hi, I'm trying to get a collection of points (latitude,longitude) between 2 adresses. The points needs to be on a valid tracfic route. I currently use Gdirections to create a route between 2 adresses. Is there a method to get somepoints allong this route? To me it seems impossible... thx in advance!

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• Switch boolean through UIButton

  - by Sebastian

  Hey, I'm a newbie to iPhone dev... I want a boolean Variable which switches between YES and NO when I click on a UIButton. Really easy I think ?! But I weren't able to find anything. :( Thx :) Sebastian

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• How can I create a website just like stackoverflow.com?

  - by shuil

  I am a student from China. I like stackoverflow.com very much. I am wondering How can I create a website just like stackoverflow.com? Thx

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• UISwitch within UIScrollview nearly impossible to use....

  - by samsam

  Hi there. I'm using a UISwitch-Component at the bottom of a view that sits within a UIScrollView. Now the problem that appeared, is that the switch is nearly impossible to swipe because the UIScrollView seems to dominate the userinput. Switching works very well by tapping the switch, but from my point of view, most users "switch" the UISwitch instead of tapping. Did anyone of you face the same / or similar problems and managed to come up with a solution? thx in advance sam

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• covariance and contravariance in java ?

  - by JavaUser

  Hi , Please any one give me a good example for covariance and contravariance in Java . Why we go for this . Thx

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• I need to embed vimeo or some other html in my rails app

  - by sethg

  Can someone point me in a direction so that I can use embed code in Rails? Sometimes I need to embed a slideshow pro file and sometimes I need to embed a youtube file and sometimes a vimeo file in the same area for different entries, it would be easiest to use embed code but it keeps stripping the embed code. Do use a santize plugin? Can someone point me to a tutorial or give me some help to get me started? thx

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• Windows CE Silverlight Setup

  - by jadeWarlord

  Hi All, I have an embedded device,its includes windows CE 6.0 Build 3112.I want to run silverlight application on this device.I downloaded silverlight application,when I want to install it says "Silverlight is not valid application windows CE" so what can i do? Thx.

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• XQuery to get a list of all attributes an element has

  - by alex

  Hi! Is there a generic way of determining all attributes (and their values) from an XML node using XQuery/XPath? thx, Alex

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• sqlplus and Ruby

  - by Niklas

  Hi, Anybody knows how to use sqlplus in ruby? I need to do something like this: system("sqlplus username/pwd@database filename.sql" Thx /Niklas

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• prevent screen rotation android

  - by Sephy

  hi everybody, I have one of my activities which I would like to prevent from rotating because i'm starting an AsynTask, and screen rotation makes it restart... so is there any way to tell this activity "DO NOT ROTATE the screen even if the user is shaking his phone like mad"? Thx for the constant help guys.

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• blocking url using firefox extension

  - by user272483

  how can i control access to webpages in firefox. i'm going to develope a new addon for this but colud you tell me what should i do? can firefox extension programming allows this. or should i develop a desktop application to control access. thx in advance.

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• Differnce between linux write and sendfile syscall

  - by JosiP

  Hi Im programming webserver (C), which should send big files. My question is: What are the main differneces in two syscalls: write and sendfile. Does sendfile depends on size of socket system buffer ? I noticed that write often writes less then i requested. For example, if got many requests for one file: should i open it, copy into memory and use 'write', or maybe i can do 'sendfile' for each client ? thx in advance for all answers

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• VBScript Regular Expressions to check IP address validity with some adtional characters

  - by yael

  How to create VB Irregular expression syntax to check the VPparam (IP address validity) When the last octatat of the IP address is a range between ip's (x-y) and between each IP we can put the "," separator in order to add another IP example of VBparam VBparam=172.17.202.1-20 VBparam=172.17.202.1-10,192.9.200.1-100 VBparam=172.17.202.1-10,192.9.200.1-100,180.1.1.1-20 THX yael

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• perl want to replace text with perl

  - by yael

  I have aproblem to replace @d& with frfrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr with the perl command what the problem here? why its not replaced to frfrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr THX yael more test param5= @d& perl -pe "s/\b@d&\b/frfrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr/g if m/param5/ and not /^ *#/" test param5= @d&

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• File.Copy from Unc path to (same server's) Unc path inquiry

  - by Aggelos Mpimpoudis

  Will data traffic go through the host application program or will be dealt remotely in scenarios where C#'s File.Copy is used: File.Copy(@"\\SERVER13\LOL\ROFL.txt", @"\\SERVER13\ROFL.txt") Cheers n thx!

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• VBScript Regular Expressions to check IP address validity with some adtional characters

  - by yael

  How to create VB script Irregular expression syntax to check the VPparam (IP address validity) When the last octatat of the IP address is a range between ip's (x-y) and between each IP we can put the "," separator in order to add another IP example of VBparam VBparam=172.17.202.1-20 VBparam=172.17.202.1-10,192.9.200.1-100 VBparam=172.17.202.1-10,192.9.200.1-100,180.1.1.1-20 THX yael

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• Encrypt parameters passed to a swf

  - by 23tux

  Hi, does anyone know how to encrypt the parameters that are passed to a flash movie? The case is, that the user should not be able to read the parameters in the source code in plaintext. And of course, I have to able to decrypt the parameter in actionscript 3 ;-) thx, tux

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• vb6 api/spy question

  - by Fuxi

  hi all, i'm trying to control some soulseek features from VB6 - the problem is the SysTabControl32 - how can i read out which tab is selected? the api spyer only returns the SysTabcontrol32 but no tab button. thx

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• ie7 z-index problem

  - by rezna

  Hi, I've isolated a little test case of IE7's z-index bug, but don't know how to fix it. Have been playing with z-indeces all day long but it didn't. If someone knows, what to do about it, pls help ;) The test case is located here - http://upload.rezna.info/z-index-test.html The problem is, that in IE7 the second textbox is placed over the red list (suggest box). Thx, rezna

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