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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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• How can i create array of my class with default constructor ?

  - by Freshblood

  Hello For example MYCLASS[] myclass = new MYCLASS[10]; Now myclass array is all null array but i want to have default constructed Array .I know that i can write loops for set default constructed but i am looking for more easy and simple way.

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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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• gnu screen - changing the default escape command key to ALT-X?

  - by Siva

  In GNU screen, I want to change the default command binding to Alt-s (by tweaking .screenrc) instead of the default C-a, the reason is I use emacs hence GNU screen binds the C-a key, sending "C-a" to the emacs becomes tedious (as @Nils said, to send "C-a" I should type "C-a a"), as well as "C-a" in bash shell, and I could change the escape to C- but some of them are already mapped in emacs and other combinations are not as easy as ALT-s . If anyone has already done a ALT key mapping, please do let me know.

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• Prevent Negative numbers for Age without using client side validation.

  - by Deepak

  Hi People, I have an issue in Core java. Consider the Employee class having an attribute called age. class Employee{ private int age; public void setAge(int age); } My question is how do i restrict/prevent setAge(int age) method such that it accepts only positive numbers and it should not allow negative numbers, Note: This has to be done without using client side validation.how do i achieve it using Java/server side Validation only.The validation for age attribute should be handled such that no exception is thrown

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• How does one define a default style for a custom Flex component?

  - by kevmoo

  I'm creating a new Flex component (Flex 3). I'd like it to have a default style. Is there a naming convention or something for my .cs file to make it the default style? Am I missing something?

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• How can I prevent a field from being copied to the client proxy in WCF RIA?

  - by Martin Doms

  Is there a metadata attribute I can use to prevent a field from being accessible on the client in a WCF RIA services? I sure I have seen this before, but I'm drawing a blank and Google isn't helping. It would look something like [MetadataType(typeof(User.UserMetadata))] public partial class User { internal sealed class UserMetadata { private UserMetadata() { } public int Id { get; set; } [HideFromClientProxy] public string PasswordSalt { get; set; } } }

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• Prevent visual studio from appending folder name to new classes?

  - by Curtis White

  How can I prevent Visual Studio from naming the classes for new pages that are in folders from being named with the folder name? Does this method not set "right" with anyone else?

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• How can I prevent Java from creating hsperfdata files?

  - by c-had

  I'm writing a Java application that runs on Linux (using Sun's JDK). It keeps creating /tmp/hsperfdata_username directories, which I would like to prevent. Is there any way to stop java from creating these files?

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• How do I prevent ImageMagick convert from scaling images *up*?

  - by Kyle

  I'm using ImageMagick's convert tool to generate image thumbnails for a web application. I'm using notation like so: 600x600> The images are indeed scaled to 600px wide/tall (depending on the longer side) and proportions are properly maintained, however images less than 600px in either direction are scaled up — this behavior is not desired. Is there a way to prevent convert from scaling images up if the destination dimensions both exceed the original image size?

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• Can I prevent mobile safari from auto-rotating the screen on ipod touch or iphone?

  - by agsamek

  This question is exactly the same as http://stackoverflow.com/questions/938462/can-i-prevent-mobile-safari-from-auto-rotating-the-screen-on-ipod-touch-or-iphone . Yet - the referenced question has no definite answer and has been prematurely accepted.

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• Xcode: Is there a location/flag to prevent a Class from compiling?

  - by Meltemi

  Is there a place (or flag) in Xcode for files that you don't want to compile? There are some classes that are/may become part of a project but currently won't compile. The main project doesn't link to them but Xcode still tries to compile them. Is there a way to prevent blocking the rest of project from compiling until these new Classes are "ready"?

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• How can I prevent my asp.net site from being screen scraped?

  - by user279521

  How can I prevent my asp.net 3.5 website from being screen scraped by my competitor? Ideally, I want to ensure that no webbots or screenscrapers can extract data from my website.

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• How to prevent auto correction / suggestion of text in textarea?

  - by pinky

  We provide a page where a student can provide his answer to a certain question. This information is obtained via an input text area box and we would prefer that the browser doesn't auto correct and indicate grammatical errors on the student responses (e.g. obey is correct but obay is wrong). The browser shows a red underline if there are grammatical mistakes. How do I prevent this across all browsers.

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• What are the best ways to prevent your website from being Phished?

  - by Martin Ongtangco

  What are the best ways to prevent your website from being Phished? Please cite some technical suggestions and references if possible. Thank you!

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• How do I prevent vim from tab-completing .class files?

  - by cvondrick

  When I use :e in vim, it will tab-complete .class files before the .java files. As I never want to edit .class files, how do I prevent vim from showing .class files in the tab-completion?

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• How can I prevent javascript errors in my selenium tests from hanging my build system?

  - by lowellk

  We are having a problem with our selenium tests which run in IE on a virtual machine. Whenever there is a javascript error, a popup shows up and puts our system into a 'stuck' state - a user has to go clear that and restart the selenium test run. Is there a way to prevent the javascript error popup from putting the system into its stuck state? Would setting window.error be of any help here?

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• How to prevent users to change url parameter in PHP?

  - by Sachin

  I am developing a site where I am sending parameters like ids by url. I have used urlencode and base64encode to encode the parameters. My problem is that how can I prevent the users or hackers to play with url paramenters Or give access only if the parameter value is exist in database? I have at least 2 and at most 5 parameter in url so is this feasible to check every parameter is exist in database on every page? Thanks

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• RoR: How to prevent Url change after erronous edit?

  - by CharlesS

  In a standard generated scaffold project, when you are on an edit page, the URL looks like; /something/3/edit However, when the page doesn't validate, it runs the following code: format.html { :action => "new" } and the page url changes to; /something/3 (no /edit) Why is this is this and how to prevent it, as it looks inconsistent to me and thus confusing. Thanks

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• In asp.net site how to prevent multiple logins of same user id ?

  - by haansi

  Hello, Please guide how to prevent multiple user to be logged in at a time using a user id ? I searched the internet and found some ways but somehow they do not work in these situations: If javascript in brower is turned off. If user do not click logout and directly close brower. Please suggest me some way. thanks haansi

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• Prevent custom AccessoryView from showing selection when it's UITableViewCell is selected.

  - by groomsy

  To reproduce this, create a UITableView that contains cells with custom AccessoryViews (such as buttons to perform a specific action where touching the other part of the UITableViewCell should perform a different action). If you touch (select) the UITableView, the AccessoryView shows selection (as thought it was touched) as well. I want to prevent this and only show the AccessoryView's selected state when they actually touch the AccessoryView. Thanks in advance, groomsy

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• Is it Possible to change the Default Margins of Browser through JavaScript???

  - by Govind Lohar

  I want to change the default margins of Browser through JavaScript because I want to print the displayed document on page but the margins are different on different browser??? plz help me to change default margins of browser. if you have any solution tell me.

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• What are some good ways to prevent people from copying my source code?

  - by Scarface

  I have a lot of customized javascript and layout design, and I want to prevent as best I can people just copying and pasting and then using it for themselves. Is there any practical way to do this, or do I basically just have to be happy my php code does not show? I want to at least make it difficult to copy my site.

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• How to write UIWebView with default request address is like (192.168.1.1)..

  - by user323503

  i have implemented UIWebView in my application but i default address is "192.168.1.1" but it is not open default it and i have tried with "http://www.google.com" it is working fine. [iview loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"192.168.1.1"]]]; it doesn't working and it is working with [iview loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.google.com"]]];

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• How to prevent SQL Compact DB to be erased?

  - by Skuta

  Hi, I'm developing an applciation using SQL Compact database in Visual Studio 2008. When I start the application and run the process, the data is being loaded into database for few hours worth of few tens of megabytes. However, when I quite debugging, change something in code (not in DB structure), run the project again, the database is erased. Does anyone know how to prevent this behavior? I need the data to stay in DB to test on it.

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