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• What are some good ways to prevent malicious proxy users from accessing your site?

  - by Scarface

  This question has been bugging me for some time. I always picture launching my site, and some dirt bag coming on and uploading porno or spamming profanity. So I decide I don't want him using my site, I ban his account and ban his ip in my cpanel, but what if he is using a proxy and just keeps making new accounts to harass me? What can I possibly do to prevent this horrible outcome?

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• Does HTML 5 Gaming use Canvas and Javascript? How to prevent cheating in this case?

  - by J Lynch

  Does HTML 5 Gaming use Canvas and Javascript? How to prevent cheating in this case? For instance, what if a user uses GreaseMonkey or some tool to alter the script so that it just reports a perfect game score to the server every time?

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• How does Google Wave & iGoogle prevent XSS by a widget?

  - by Axel

  Hello, If you've used Google Wave or iGoogle you have probably seen that you can insert widgets that are made by third parties without approval. My question is: How does prevent the widge from performing XSS or steak cookies? Are the widgets loaded in an <iframe>? If yes, then what prevents them from redirecting you to another page? Thanks

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• 2 vertically positioned divs, what could prevent them from "touching?"

  - by Kyle Sevenoaks

  Click here to see what I mean.. What could prevent these two from sitting directly atop each other like that. At the moment on my site I have to use margin-bottom:-22px; to get the effect. Thanks :)

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• How to prevent the automatic client side validations execution in a ModalPopupExtender?

  - by cruster

  I'm using a ModalPopupExtender to show a modal popup window with a bunch of input controls and a couple of validators with EnableClientScript set to true. The issue I'm facing is, that the client-side validations get executed right after the modal popup is shown (via client-side code, not from server). Is there a way to prevent this?

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• How to prevent button click 2 times in update panel ?

  - by Deepak

  I have a button which is in update panel. When I click on button then it click event run two times. How can I prevent second time click event?

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• How to prevent auto implemented properties from being serialized?

  - by Hopla

  How can I prevent a auto implemented property from being serialized by the binary formatter? The [NonSerialized] attribute can only be used with fields. And the field is hidden when using auto implemented properties.

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• How do I prevent 'Publish Web' from overwriting config files?

  - by ripper234

  When I publish my Asp.Net MVC website to the production server (via VS2008), the web.config & castle.xml files are overwritten. The content of these files is obviously different between my local dev environment and the production server. How do I prevent these files from being published?

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• Is there a way to prevent UIImagePickerController change statusbar style?

  - by Eonil

  UIImagePickerController changes statusbar style to black/opaque. I want to keep status-bar style black/translucent. I'm finding a way to prevent status bar style changing. Or making it transited smoothly. Now, presenting UIImagePickerController changes status-bar style instantly, even -[presentModalViewController:picker animated:YES] specified. Any method, welcome, including hacking or private method. This is an app for AppStore, however I want to even try.

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• How do I prevent a form from being resubmitted too quickly in a rails application?

  - by user284194

  I have made a simple Rails application that allows people to comment on posts. How do I prevent that user from submitting that form over and over again? On reddit.com they only allow newer users to make new posts every ten minutes. How can I do this with my simple blog/commenting system? Any help would be greatly appreciated. Thanks for reading my question.

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• IME window overlap cursor in Edittext, how to prevent it?

  - by backspace7

  I'm using Edittext and it has images and texts. Then, I add image file on Edittext and I click Edittext, IME window shows, naturally. ( * At that time cursor is located at right-bottom corner of added image file.) The problem is IME window overlap cursor, so users complain that 'where is my cursor?' How to prevent that IME window overlap cursor?

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• How can I prevent a double submit with jQuery or Javascript?

  - by kielie

  Hi guys, I keep getting duplicate entries in my database because of impatient users clicking the submit button multiple times. I googled and googled and found a few scripts, but none of them seem to be sufficient. How can I prevent these duplicate entries from occurring using javascript or preferably jQuery? Thanx in advance!

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• How can I prevent git push if local modifications are detected (including untracked files)?

  - by Clint Modien

  Sometimes someone on our team does a git push and breaks the build because his local build works but he has forgotten to commit all his local modifications and untracked files to git before he pushes. I'd like to prevent this... I poured over the docs for an hour or so today and couldn't find anything built in. Does anyone have any solutions?

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• WinForms: How to prevent textbox from opening alt menu?

  - by Digiku

  I have this textbox I use to capture keyboard shortcuts for a preferences config. I use a low-level keyboard hook to capture keys and also prevent them from taking action, e.g. the Windows key, but the Alt key still comes through and makes my textbox lose focus. How can I block the Alt key, so the focus is kept unaltered at my textbox?

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• how can I prevent dbo login from access my database?

  - by KareemSaad

  I Made login (x) with sql authentication for mydatabase(Sharp) in sql2000.And I want to prevent dbo login from access my database what can i do?

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• How can I prevent the user from resizing the silverlight out-of-browser window?

  - by Edward Tanguay

  I have a silverlight app which can be installed as out-of-browser. I've defined the Height and Width in the main UserControl. I've defined the same Height and Width in the OutOfBrowserSettings.xml file. But the user can still resize the out-of-browser frame window. How do I prevent this?

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• How to prevent phone numbers to be converted into Skype links?

  - by Ain

  On those Windows machines with Skype installed, it tends to convert all phone-formatted numbers to Skype links so you can click it in order to make a call on Skype. The question is how do you prevent that to happen for a certain number on page?

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• How to prevent form from being activated when the users clicks on it?

  - by riot_starter

  I have a main form and non-modal autocomplete form. How can I prevent the autocomplete form from being activated by the user, when the user clicks on the list in the autocomplete form? So, basically I want the autocomplete form the receive the mouse click message when the users clicks, but to never become active, because it causes problems with a third-party component in the main form over which I have no control.

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• how can i prevent vs 2008 express compile all my files but only the one i modify

  - by user63898

  hello how can i prevent vs 2008 express from compiling all my cpp files if i only modify one cpp file , that is not using the other onecs?

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• How do I prevent access to a php script if not called with a comandline application like curl

  - by RobertWHurst

  How do I prevent access to a php script if not called with a comandline application like curl? I'm working on a web application and it uses a cron script to run it's services.

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• How to prevent arbitrary code execution vulnerability in our programs?

  - by Calmarius

  You always read in changelogs when your system or browser or any program updates that they fixed a bug that made possible that an attacker can execute any code in your computer with a forged website, or attacking your computer with carefully forged packets, etc... Because you read it so often that means any program can have similar vulnerabilites... What causes this? how to design our programs to prevent similar issues?

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• Can I prevent future developers from making an object constructable?

  - by mousey

  you have a class A, where you set ctor to be private, so a client can't call "A a;" to create obj on stack. But someday another developer add a new ctor: "A(int)" and try to call "A a(1);" inside main(). So this will create a obj on stack. How do you prevent that?

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• how can we prevent .exe type file upload in a website?

  - by subodh

  suppose we have a example.exe file. we first put that file in a new folder and then zip that folder with any zipping software, Can we prevent that zipped folder upload in a website???? how can we do that???????????

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• Does anyone see any downsides of doing the following to prevent CSRF?

  - by Spines

  I'm wondering if the following method will completely prevent CSRF, and be compatible with all users. Here it is: In the form just include an extra parameter that is: encrypted(user's userID + request time). Server-side just decrypt and make sure it's the right userID and the request time was reasonably recent. Aside from someone sniffing the user's traffic, is this completely secure? Are there any downsides?

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• WinForms: How to prevent textbox from handling alt key and losing focus?

  - by Digiku

  I have this textbox I use to capture keyboard shortcuts for a preferences config. I use a low-level keyboard hook to capture keys and also prevent them from taking action, e.g. the Windows key, but the Alt key still comes through and makes my textbox lose focus. How can I block the Alt key, so the focus is kept unaltered at my textbox?

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