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Search found 5623 results on 225 pages for 'prevent deletion'.

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• Excel 2007 and Unicode

  - by pjlasl

  I have an israeli spreadsheet reading right to left. When I read the values (using VBA) it places a question mark (?) at the beginning and end of the text, in other words it wraps the text with the question mark (ie ?0123456?). If you type Range("A2").value or .value2 or .text the results are the same. Any idea on how to prevent this?

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• Why does yaml.dump add quotes this key-value pair

  - by jason gagne

  I'm trying to write a new entry to a rails database.yml and for some reason I'm getting quotes around this entry db_yml = {'new_env' = {'database' = 'database_name', '<<' = '*defaults' }} File.open("#{RAILS_ROOT}/config/database.yml", "a") {|f| YAML.dump(db_yml, f)} returns --- new_env: database: database_name "<<": "*defaults" I don't know why the "---" and the quotes around the defaults are returned, any thoughts on how to prevent? thanks!

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• Preventing a dialog from closing in the button's click event handler

  - by qster

  I have a dialog that I show with <class>.ShowDialog(). It has an OK button and a Cancel button; the OK button also has an event handler. I want to do some input validation in the event handler and, if it fails, notify the user with a message box and prevent the dialog from closing. I don't know how to do the last part (preventing the close).

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• Updating from svn repository returns "Could not read chunk size" error

  - by Denis

  When updating from subversion repository using tortoise svn client I get error looking like that: Could not read chunk size: An existing connection was forcibly closed by the remote host. It doesn't prevent me from updating, just interrupts update process, so that I have to repeat update several times, before it is complete. What can cause such behaviour and how to fix it?

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• Can a product that uses BouncyCastle be exported from the UK

  - by swisstony

  We are doing work for a company, based in the UK, who are planning on developing an application that uses the BouncyCastle.Crypto.dll. They intend to make their product (including the crypto dll) available for download over the Internet. Are there UK restrictions on the export of crypto software that would prevent them from doing this? From Wikipedia, I understand it's okay to export it from the US, but not sure about the UK.

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• How to generate custom JSESSIONID, based on some hash of user's data in order to replicate session

  - by Shaman

  Is it possible to override Tomcat's embedded generator of JSESSIONID, to be able to create custom values of this cookie, based on user's login? Why do I need this: I have a load balancer with "sticky sessions", configured to route requests with the same JSESSIONID to the same server, and I want to prevent situation, when same user can start two different sessions on different servers.

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• Pointer-Safe Objects?

  - by cam

  Would it be smart to have a vector in an object with a list of pointers that point to it? This way when the object is deleted, it could delete all the pointers pointing to it to prevent a null-pointer exception?

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• is there any chance of sql injection through selectbox( dynamically created or static)

  - by I Like PHP

  Hello All, i want to know that is there any chance of SQL injection via selectbox options? if yes then will u please show some demonstration(or refer any link). and also tell me how do we prevent sql injection in selectbox.(using PHP MYSQL) one more: if i create a selectbox dynamically( based on options of another select box) then is there any chance of SQLinjection? Thanking you.

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• Tab control in Silverlight 3.0 and Dirty data

  - by Vinayak Bhosale

  We are using tab control in our project. While using this control i came across a few issues like - When the tab control loads, it invokes constructor of all the xaml pages that form the individual tabs. Can this be avoided? Is there any event with tab control that we can use to identify dirty data on the previous tab that i may have visited. I mean can i prevent user from navigating to some other tab before saving the changes on current tab.

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• Faking web requests in Rails test without Fakeweb

  - by Poor Lil Rich Boy

  I'm using the Handsoap gem with Httpclient gem as the driver in a Rails app. How can I prevent network calls from Handsaop/Httpclient gems in test cases? FakeWeb doesn't support Httpclient.

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• Avoid running of software after copying to next machine?

  - by KoolKabin

  Hi guys, I have developed a small software. I want to provide and run it commercially only. I want it to be run in the machines who have purchased it from me. If someone copies it from my clients computer and runs it in next computer, I would like to stop functioning/running the software. What can be the ways to prevent the piracy of my software?

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• Hide public Property when exposed through web service.

  - by BrokeMyLegBiking

  I would like to prevent a property from being exposed via my WCF web service. I tried adding the XmlIgnore attribute bug that didn't work. We are using .NET 3.5. WCF. This doesn't work: public class MyClass { public string S1 { get; set; } [XmlIgnore] public string S2NotExposed { get; set; } }

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• how to disable window close button in OSX using wxpython?

  - by nur

  i am working on an application for osx using wxpython. I want to minimize window to dockbar when user clicks on the window close button so that it can be restored from the dockbar. How can i do that? Currently i am having problem restoring window because it gets destroyed when user clicks on the close button. how can i prevent that? Thanks in advance

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• how to avoid the changing ip in LAN?

  - by Venkats

  In my LAN it has 10 systems and one commom server. Before start a server, if any other systems start(on) means, the server ip will assign to that particular system in automatically. Here how to prevent to changing IP?

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• Restrict dates in 'datetimepicker' in C#

  - by Jordan-C

  A feature of a forms based application I am developing allows the user to search through a history of records. The user can search by name, by number, and between dates, and populate the results in a datagridview control. However, as the form will be used to search for previous records. The ability for the user to select future dates is not required. Is there a way to prevent the user from selecting future dates, or even grey the future dates out?

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• Animated GIF Not Working in FireFox after cache

  - by ToiletOverflow

  I have an animated GIF that loops three times. I have noticed in Firefox and Chrome (haven't checked others) that I can view the GIF once and then if I reload the page, the cached GIF is not animated at all. Is there a solution to this? Is there something about the animated GIF that I could change to prevent this from occurring?

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• Dynamic find methods Vs conditional statements in rails

  - by piemesons

  Hello Student.find_all_by_name_and_status(‘mohit’, 1) As this will create a exception 'No method exception' first then it will be handled by dynamic Method handler and this will not Student.find(:all, :conditions => [‘name = ? and status = ?’ ‘mohit’, 1]) Does Student.find(1) Will generate method missing exception and will it prevent SQL injection?

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• Is it possible to use AnimateWindow with AW_BLEND when using a layered window?

  - by wkf

  I am displaying a window using UpdateLayeredWindow and would like to add transition animations. AnimateWindow works if I use the slide or roll effects (though there is some flickering). However, when I try to use AW_BLEND to produce a fade effect, I not only lose any translucency after the animation (per-pixel and on the entire image), but a default window border also appears. Is there a way to prevent the border from appearing?

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• Infinite service

  - by rayman

  Hello, I have some proccess that i would like to run in the background the whole time. so i made it "service". my question is: is there anyway to prevent from the user to kill this service? (even if he uses third party app) thanks, ray.

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• wordpress backend: retrict post tags to site tags only

  - by Richard

  In the post screen, I want to remove the option of multi-authors being able to 'free tag' their posts. In other words, only allow tags that have been preset in the admin tags section.(these tags are of course visible in the tag cloud in posts screen) The concept is to prevent authors introducing random tags in their posts, leading to duplication and confusion.

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• Prolog, fail and do not backtrack.

  - by Jerry

  Is there any build-in predicate in SWI-Prolog that will always fail AND prevent machine from backtracking (this is not what fail/0 does)? I could use cuts, but I don't like them.

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• Reduction functions for rainbow tables

  - by calccrypto

  Since chains of rainbow tables are very long, are there many different reduction functions used to reduce each hash, or are there only a handful, while using indexes to prevent merging? or something else?

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• How do I override generic activerecord error messages in ruby-on-rails?

  - by David Smith

  In my en.yml translation file, I have: activerecord: errors: template: header: one: "1 error prohibited this {{model}} from being saved" other: "{{count}} errors prohibited this {{model}} from being saved" When an activerecord/validation error occurs during logging into my application, the error message: "1 error prohibited this user session from being saved" is displayed (where user_session is the model being used). I'd rather have it say something like "An error has occured to prevent you from logging into your account". How do I override the generic error message with my specific one?

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• Is there an equivalent of "OPTION(RECOMPILE)" or "WITH RECOMPILE" for an entire connection?

  - by kamens

  I'm curious. Is there any way to prevent SQL query execution plans from being cached for an entire connection's duration? Can I run a command that basically says, "use OPTION(RECOMPILE) for all subsequent commands until I tell you to stop doing so?" I'm acutely aware of all the performance trade-offs here, and I know this is not a step to be taken lightly. However, I'm in a unique situation where this behavior may be advantageous.

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• Adding new functionality to an application using on-the-fly class generation

  - by James P.

  Is it possible to generate subclasses at runtime or while an application is running? If so, how is this achieved and what precautions should be taken to prevent a rogue object wreaking havoc inside an application? Edit: Title modified from "Class generation on the fly".

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