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• 80x86 16-bit asm: lea cx, [cx*8+cx] causes error on NASM (compiling .com file)

  - by larz

  Title says it all. The error NASM gives (dispite my working OS) is "invalid effective address". Now i've seen many examples of how to use LEA and i think i gots it right but yet my NASM dislikes it. I tried "lea cx, [cx+9]" and it worked; "lea cx, [bx+cx]" didn't. Now if i extended my registers to 32-bits (i.e. "lea ecx, [ecx*8+ecx]") everything…

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• What's the point of LEA EAX, [EAX]?

  - by Frederick

  LEA EAX, [EAX] I encountered this instruction in a binary compiled with the Microsoft C compiler. It clearly can't change the value of EAX. Then why is it there at all?

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• Difference between lea and offset

  - by R.K.Rahu

  ar db "Defference $" What the difference when I used mov dl,offset ar and lea dl,ar I think both are doing same work but what is the difference between these two Please specify clearly

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• question about Doug Lea's malloc

  - by hatorade

  http://gee.cs.oswego.edu/dl/html/malloc.html in making his array for the segmented bins, he makes bins for 8 - 512 using multiples of 8 (so 63 bins, but only the last 62 are ever used). how does he determine the size for the remaining 63 bins? He mentions they are logarithmically spaced, but is there some sort of equation he used to do that…

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• Determine Click-thru Percentage With PHP

  - by Lea

  Hi all, I am currently working on a small sponsorship application(PHP/MySql) for my personal blog, and am almost finish, but I am stuck on how to calculate the click-thru rate of my sponsors campaigns. I was always terrible with working out percentages, so any practical help would be appreciated. The data is stored in the DB as simple…

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• Where and how to reference composite MVP components?

  - by Lea Hayes

  I am learning about the MVP (Model-View-Presenter) Passive View flavour of MVC. I intend to expose events from view interfaces rather than using the observer pattern to remove explicit coupling with presenter. Context: Windows Forms / Client-Side JavaScript. I am led to believe that the MVP (or indeed MVC in general) pattern can be…

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• Trouble with UV Mapping Blender => Unity 3

  - by Lea Hayes

  For some reason I am getting nasty grey edges around the edges of rendered 3D models that are not present in Blender. I seem to be able to solve the problem by reducing the size of the UV coordinates within the part of the texture that is to be mapped. But this means that: I am wasting valuable texture space Loss of accuracy in…

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• Web Hosting Advice for Project [duplicate]

  - by Lea Hayes

  Possible Duplicate: How to find web hosting that meets my requirements? I am working on a project that will be released as open source in the latter part of the year. I am starting to think about how the accompanying website will be hosted and would greatly appreciate some advice. Requirements: Domain #1 Information…

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• When using Zoom, cursor disappears

  - by Lea

  In Ubuntu 12.04 Unity, when I use the Compiz Zoom feature, the mouse cursor disappears. This did not happen in 10.04, it worked great until I installed 12.04. In 12.04 zoom was disabled by default, so I re-enabled it to use Super+scroll wheel as it was before. The only thing different now is that the shortcut listing…

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• Should you charge clients hours spent on the wrong track?

  - by Lea Verou

  I took up a small CSS challenge to solve for a client and I'm going to be paid on a hourly rate. I eventually solved it, it took 4 hours but I spent roughly 30% of the time in the wrong track, trying a CSS3 solution that only worked in recent browsers and finally discovering that no fallback is possible via JS (like I…

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• Why should ViewModel route actions to Controller when using the MVCVM pattern?

  - by Lea Hayes

  When reading examples across the Internet (including the MSDN reference) I have found that code examples are all doing the following type of thing: public class FooViewModel : BaseViewModel { public FooViewModel(FooController controller) { Controller = controller; } protected FooController…

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• How to transform mesh components?

  - by Lea Hayes

  I am attempting to transform the components of a mesh directly using a 4x4 matrix. This is working for the vertex positions, but it is not working for the normals (and probably not the tangents either). Here is what I have: // Transform vertex positions - Works like a charm! vertices = mesh.vertices; for…

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• Difference between mail. and pop. & smtp.?

  - by Lea Hayes

  When hosting a website I often notice that all of the following are defined under DNS: POP = mail.example.com SMTP = mail.example.com versus POP = pop.example.com SMTP = smtp.example.com Is it wise to use "mail.example.com" for both POP and SMTP when configuring a mail client? What is the…

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• how to fix: www.domain.com redirected to domain.com

  - by cohen

  Hi this website livingalignment.com is very slow to load. The domain and hosting is all with go daddy. In pingdom I found that it is redirecting from www.livingalignment.com to livingalignment.com and it takes about 2 seconds to do so. you can see that here taking about 10 seconds when I entered…

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• libimobiledevice wants to remove all my other packages

  - by Dror Cohen

  When running the command sudo apt-get remove libimobiledevice2 I get: The following packages will be REMOVED: ... gdm gdm-guest-session gnome-power-manager gnome-session gnome-session-bin gvfs-backends indicator-power indicator-session kde-plasma-desktop kde-standard libgpod-common libgpod4…

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• cocos2d: syncing CCAnimation frames with Box2d Shape manipulations

  - by Hezi Cohen

  hi everybody! my cocos2d game currently has a ccsprite attached to a box2d body. during the game i apply different CCAnimations on my sprite, i would like to perform certain manipulations to the box2d body according to the frame currently displayed by the sprite (change rotation of the…

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• facebook share and opengraph

  - by hannit cohen

  I'm managing a video blog. The blog contains a main youtube video on the homepage and several thumbnail images of other videos elsewhere. I have a share button for the main page and the single posts pages and have added opengraph to specify the used image. For some reason facebook…

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• Simple PHP upload form not working

  - by Lea

  Hi all, I seem to run into so many issues when dealing with writing to directories. If someone could please look over this script, and tell me why it's not working, I'd be so appreciative. Upon uploading the file from the form, I don't get anything.. It doesnt output any errors,…

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• MBR Booting from DOS

  - by eflukx

  For a project I would like to invoke the MBR on the first harddisk directly from DOS. I've written a small assembler program that loads the MBR in memory at 0:7c00h an does a far jump to it. I've put my util on a bootable floppy. The disk (HD0, 0x80) i'm trying to boot has a…

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• reading from File in assembly

  - by Natasha

  i am trying to read a username and a password from a file in x86 assembly for the perpose of authentication obviously the file consists of two lines , the user name and the password how can i read the two lines seperately and compare them? My attempt: proc read_file mov…

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• How to Lookup For something main VBA

  - by gorPweN

  Hi, I wanna know how to Lookup For many number in a column A corresponding to a name in Column B By coding in VBA..And Write it in column C??? Thanks in advance..Im new in this... Exemple A B C 200-333 Jack 200-345 …

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• Permissions restoring from Time Machine - Finder copy vs "cp" copy

  - by Ben Challenor

  Note: this question was starting to sprawl so I rewrote it. I have a folder that I'm trying to restore from a Time Machine backup. Using cp -R works fine, but certain folders cannot be restored with either the Time Machine UI or Finder. Other users have reported similar…

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• Text Editor for very big file - Windows

  - by Lea Cohen

  I have a very big text file (10GB). Both Notepad and Notepad++ tell me that the file is too big for them to open. Any suggestions as to an editor that can handle such a large file? (it's a log file).

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• Map Network Drive with Password

  - by Lea Cohen

  I mapped a network drive to a location that needs a password. Now whenever my computer starts up, it tells me that it could not connect to that network drive because a password is needed. How do I make set my computer to remember the password for that mapped network…

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• Hebrew filenames in the URL

  - by Lea Cohen

  We have a CMS that enables users to upload images and flashes to their site. Sometimes the filenames are in Hebrew. In our development server there is no problem, but in our production server we get a 404 error when the filename ends with Hebrew characters. I tried…

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