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  • Is the escaping provided by the Google-Gson library enough to ensure a safe JSON payload?

    - by Lifetime_Learner
    I am currently using the Google-Gson library to convert Java objects into JSON inside a web service. Once the object has been converted to JSON, it is returned to the client to be converted into a JSON object using the JavaScript eval() function. Is the character escaping provided by the Gson library enough to ensure that nothing nasty will happen when I run the eval() function on the JSON payload? Do I need to HTML Encode the Strings in the Java Objects before passing them to the Gson library? Are there any other security concerns that I should be aware of?

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  • Is this fix for Avast Antivirus crashing safe to use?

    - by TmRn
    Well I have installed avast anti virus on Ubuntu 12.04. But after updating, it crashes! So I have made some tweaks like below: Press Ctrl+Alt+T to open the Terminal. When it opens, run the command below. sudo gedit /etc/init.d/rcS Type your password and hit Enter. When the text file opens, add the line: sysctl -w kernel.shmmax=128000000 Make sure the line you added is before: exec /etc/init.d/rc S This is what it should look like: #! /bin/sh # rcS # # Call all S??* scripts in /etc/rcS.d/ in numerical/alphabetical order # sysctl -w kernel.shmmax=128000000 exec /etc/init.d/rc S Save the file. Reboot. My question is: Did I do anything wrong? I mean as I have made some tweaks, will it lower the security of Avast down like viruses do? Please if you are a programmer check this if it contains bug or harmful intentions... Thanks.

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  • Is Visual Source Safe (The latest Version) really that bad? Why? What's the Best Alternative? Why? [closed]

    - by hanzolo
    Over the years I've constantly heard horror stories, had people say "Real Programmers Dont Use VSS", and so on. BUT, then in the workplace I've worked at two companies, one, a very well known public facing high traffic website, and another high end Financial Services "Web-Based" hosted solution catering to some very large, very well known companies, which is where I currently Reside and everything's working just fine (KNOCK KNOCK!!). I'm constantly interfacing with EXTREMELY Old technology with some of these financial institutions.. OLD LIKE YOU WOULDN'T BELIEVE.. which leads me to the conclusion that if it works "LEAVE IT", and that maybe there's some value in old technology? at least enough value to overrule a rewrite!? right?? Is there something fundamentally flawed with the underlying technology that VSS uses? I have a feeling that if i said "someone said VSS Sucks" they would beg to differ, most likely give me this look like i dont know -ish, and I'd never gain back their respect and my credibility (well, that'll be hard to blow.. lol), BUT, give me an argument that I can take to someone whose been coding for 30 years, that builds Platforms that leverage current technology (.NET 3.5 / SQL 2008 R2 ), write's their own ORM with scaffolding and is able to provide a quality platform that supports thousands of concurrent users on a multi-tenant hosted solution, and does not agree with any benefits from having Source Control Integrated, and yet uses the Infamous Visual Source Safe. I have extensive experience with TFS up to 2010, and honestly I think it's great when a team (beyond developers) can embrace it. I've worked side by side with someone whose a die hard SVN'r and from a purist standpoint, I see the beauty in it (I need a bit more, out of my SS, but it surely suffices). So, why are such smarties not running away from Visual Source Safe? surely if it was so bad, it would've have been realized by now, and I would not be sitting here with this simple old, Check In, Check Out, Version Resistant, Label Intensive system. But here I am... I would love to drop an argument that would be the end all argument, but if it's a matter of opinion and personal experience, there seems to be too much leeway for keeping VSS. UPDATE: I guess the best case is to have the VSS supporters check other people's experiences and draw from that until we (please no) experience the breaking factor ourselves. Until then, i wont be engaging in a discussion to migrate off of VSS.. UPDATE 11-2012: So i was able to convince everyone at my work place that since MS is sun downing Visual Source Safe it might be time to migrate over to TFS. I was able to convince them and have recently upgraded our team to Visual Studio 2012 and TFS 2012. The migration was fairly painless, had to run analyze.exe which found a bunch of errors (not sure they'll ever affect the project) and then manually run the VSSConverter.exe. Again, painless, except it took 16 hours to migrate 5 years worth of everything.. and now we're on TFS.. much more integrated.. much more cooler.. so all in all, VSS served it's purpose for years without hick-up. There were no horror stories and Visual Source Save as source control worked just fine. so to all the nay sayers (me included). there's nothing wrong with using VSS. i wouldnt start a new project with it, and i would definitely consider migrating to TFS. (it's really not super difficult and a new "wizard" type converter is due out any day now so migrating should be painless). But from my experience, it worked just fine and got the job done.

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  • Table Formatting in Excel 2007: How do I remove it?

    - by RocketGoal
    I've used the new Table Formatting option in Excel 2007. Now I can't remove it. I've dragged the little blue square up to the last cell on the top left, but it just won't go any further. In fact it just won't go at all. Clear all doesn't remove it. What does? I want my table back! I'm not a beginner with Excel, but this little annoyance has made me feel like on. Surely there must be some way to remove table format without deleting something or clearing all! Thanks Mike

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  • How do I prevent software packages from being downloaded until I know it's safe?

    - by Dave M G
    Recently, an update that caused a problem with Gnome session caused me to lose a day's work. The solution was to rollback some packages to a previous version. The update manager is now telling me that my old packages should be updated: ... but I don't want to do that until I know that whatever bug or problem the latest version has is resolved. I understand that with any upgrade that there is a risk of instability. However, in the 8 years or more that I've been on Ubuntu, using the latest releases has been stable enough and with the benefit of the latest features and security. So, I'm not looking for general advice on how to handle upgrades. What I'm saying is that in this one particular instance, the bug introduced by these upgrades is severe and time wasting. But, as an end user, when I encounter a problem like this, I have no idea how to address a specific concern about a specific package. I don't, for example, know which of these packages is the problem, and I can't take time from my work schedule to be experimenting with each package. So, my question is: How do I find out who exactly is responsible for these, or any, packages so that I can contact them and let them know about the problem? How do I freeze these packages only, but allow other upgrades to happen? ubuntu-session gnome-session-common gnome-session-bin gnome-session

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  • Is full partition encryption the only sure way to make Ubuntu safe from external access?

    - by fred.bear
    (By "external access", I mean eg. via a Live CD, or another OS on the same dual-boot machine) A friend wants to try Ubuntu. He's fed up with Vista grinding to a crawl (the kids? :), so he likes the "potential" security offered by Ubuntu, but because the computer will be multi-booting Ubuntu (primary) and 2 Vistas (one for him, if he ever needs it again, and the other one for the kids to screw up (again). However, he is concerned about any non-Ubuntu access to the Ubuntu partitions (and also to his Vista partition)... I believe TrueCrypt will do the job for his Vista, but I'd like to know what the best encryption system for Ubuntu is... If TrueCrypt works for Ubuntu, it may be the best option for him, as it would be the same look and feel for both. Ubuntu will be installed with 3 partitions; 1) root 2) home 3) swap.. Will Ubuntu's boot loader clash with TrueCrypt's encrypted partition? PS.. Is encryption a suitable solution?

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  • How to create a Request Specific Thread Safe Static int Counter?

    - by user960567
    In one of my server application I have a class that look like, class A { static int _value = 0; void DoSomething() { // a request start here _value = 0; _value++; // a request end here } // This method can be called many time during request void SomeAsyncMethods() { _value++; } } The problem is SomeAsyncMethods is async. Can be called many times. What I need when a request start set _value = 0 and then asynchrosnously increment this. After end of request I need the total. But the problem is that another request at the same time can access the class.

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  • Is Google Analytics safe for websites that deal with sensitive information?

    - by guanome
    I work for a company that writes several webapps that deal with a lot of sensitive information, such as full name, date of birth, address, and SSNs. Currently we don't have anything to measure site usage, but I would like to use Google Analytics to track usage and statistics about our users. What data is sent to Google when you use Analytics? If I put this on a page that contains any of the above information, will that data be sent to Google? Or are they just getting the necessary information like user agent and IP address?

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  • Filling up the empty blocks when the player touches the safe zone again! using cocos2d

    - by user3445020
    Hi guys i am stuck with filling up the data of all the blocks which are empty like the ones in the image. As you can see there i have a pacman like object where i will be moving around. But when you are in the empty space where there are no Blue boxes available i should be able to add new blocks in the path of my pacman and when it touches any other blue boxes like in the below case if my pacman touches the top row of the blue box i should be able to fill all the empty boxed inside the border of the path created by pacman. For now i am using a 2d bool array to store all the filled boxed info like if there is a box inside i am making that cell in an array as true. But how to fill the area with blue boxes after player finishes his path ? Any help would be great thank you. More info about this problem is here: filling the empty spaces in a certain region in a grid using c++ Same problem

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  • How to select a user and remove all groups they are a member of using Powershell (with Quest)?

    - by Don
    I've read quite a bit online about this and thought I had found a solution, but it doesn't seem to be working like I would expect. I am wanting to get a user based on the username I input, then remove all groups that it is a member of. Basically the same thing as going into ADUC, selecting the user, selecting the Member Of tab, highlighting everything (except domain users of course) and selecting remove. Here's the command I'm trying to use: Get-QADUser -Name $username | Remove-QADMemberOf -RemoveAll Others have said online that it works for them, but so far it hasn't for me. It doesn't give an error, it accepts the command just fine, but when I look in ADUC, the groups are still there for the user. Any suggestions as to what I may be doing wrong? Executing from Windows 7 with domain admin rights, Exchange cmdlets and Quest snapin loaded. Thanks!

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  • Update linux kernel image, How can I do it in safe? (how to revert)?

    - by Kit Ho
    based on this post , i am trying to update my kernel from 2.6.32 to 2.6.35 as my intel video card doesn't work. However, I am very afraid that my update would cause my computer crash and lost all the thing.(does not function , esp for video) I am using ubuntu 10.04, currently version is 2.6.32-40-generic. Does anyone try to update to 2.6.35-32??? If in case it make crash? how can i revert back to 2.6.32??? Thanks Kit

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  • A Safe Way to Allow Upload of All File Types?

    - by user34682
    By default WordPress restricts the file types that can be uploaded to /uploads using the default Media Manager. I know it is possible to manually extend the allowed file types. I also know it is possible to change functions.php to allow ALL file types to be uploaded. This restriction obviously exists for security concerns - e.g. someone could upload a harmful .exe Would it not be possible to allow secure upload of all filetypes by setting the permissions of the /uploads directory to prevent execution of any of its contents? Thus it wouldn't matter if someone uploaded a harmful file because it would not be executable on the server...

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  • Public Folders - Delete Public Folders from 2003 after migrating to 2010 (via Adsiedit) - safe?

    - by HeavenCore
    Similar Question: How do I delete a public store in Exchange 2003? We are ready to remove our Exchange 2003 server after having migrated all public folders and mailboxes to 2010. We ran for a week with the exchange 2003 server shutdown and everything seemed to work. When I try to delete the PF database from 2003 it says it contains replicas. Whilst migrating i only had one was sync working (from 2003 to 2010) so i believe that 2003 hasn't received the responses from 2010 saying replica removed. When I look in Public folders on the 2003 box none are listed, when i look in PF Instances they are all listed. I know everything has moved to the 2010 server and I know 2010 is not showing the 2003 server as a replica for any folders. I am looking to use ADSI edit to remove the Public folder database from the 2003 server, but want to ensure i am going to delete the right thing so that they do not get deleted from the 2010 database. Should i delete configuration, Services, Microsoft Exchange, Company Name, Administrative groups, First administrative group, Servers, Server name, Information store, First storage group, public folder store (Server name)? Or something else? I have checked and the only public folder with the old exchange server listed as a replica is SYSTEM CONFIGURATION. Thanks in advance.

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  • Is it safe to delete the "ipch" folder - Precompiled headers?

    - by Jamie Keeling
    Hello, I was looking through the folder for an application I am working on and noticed the "ipch" folder, for my solution which has two small projects it weighs in at about 90mb+ in size. I have found an article discussing the use for the files and was wondering if they were safe to delete? It's for an assignment hand in and I would like to keep the electronic hand in as small as possible. If I were to delete the folder will the application remain in a safe and stable state? I apologise if this is a simple question, I have only just started using Visual Studio 2010. Thanks! Pre-Compiled Headers

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  • How to prevent Excel from wanting to start in Safe Mode?

    - by paulland
    We have a background process that calls Excel for generation of report spreadsheets. Occasionally, a crash or inadvertent server reboot will occur while Excel is running. The first launch of Excel after the restart brings up the dialog box (paraphrasing here) "Would you like to start Excel in safe mode?" (Yes/No) The issue is that our background app can't handle this dialog box, and acts as if Excel will not start properly, and the background jobs fail as a result. I can find CL switches for starting Excel in safe mode, but I can't find anything that will instruct Excel to always start in normal mode without that prompt dialog. (I don't have access to the other program's code, so I can't make it pass through a "Yes" value if it runs into that box.) Is there a registry hack or some other way I can force Excel into normal mode every time it's called?

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  • Shorten array length once element is remove in Java.

    - by lupin
    Note: Following is my homework/assignment, feel free not to answer if you will. I want to delete/remove an element from an String array(Set) basic, I'm not allowed to use Collections..etc. Now I have this: void remove(String newValue) { for ( int i = 0; i < setElements.length; i++) { if ( setElements[i] == newValue ) { setElements[i] = ""; } } } I does what I want as it remove the element from an array but it doesn't shorten the length. The following is the output, basically it remove the element indexed #1. D:\javaprojects>java SetsDemo Enter string element to be added A You entered A Set size is: 5 Member elements on index: 0 A Member elements on index: 1 b Member elements on index: 2 hello Member elements on index: 3 world Member elements on index: 4 six Set size is: 5 Member elements on index: 0 A Member elements on index: 1 Member elements on index: 2 hello Member elements on index: 3 world Member elements on index: 4 six lupin

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  • Does the chunk of the System.Collections.Concurrent.Partitioner need to be thread safe?

    - by Scott Chamberlain
    I am working with the Parallel libraries in .net 4 and I am creating a Partitioner and the example shown in the MSDN only has a chunk size of 1 (every time a new result is retrieved it hits the data source instead of the local cache. The version I am writing will pull 10000 SQL rows at a time then feed the rows from the cache until it is empty then pull another batch. Each partition in the Partitioner has its own chunk. I know every time I call to the IEnumerator in from the SQL data-source that needs to be thread safe but for use in a Parallel.ForEach do I need to make every call to the cache for the chunking thread safe?

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  • Can this be imporved? Scrubing of dangerous html tags.

    - by chobo2
    Hi I been finding that for something that I consider pretty import there is very little information or libraries on how to deal with this problem. I found this while searching. I really don't know all the million ways that a hacker could try to insert the dangerous tags. I have a rich html editor so I need to keep non dangerous tags but strip out bad ones. So is this script missing anything? It uses html agility pack. public string ScrubHTML(string html) { HtmlDocument doc = new HtmlDocument(); doc.LoadHtml(html); //Remove potentially harmful elements HtmlNodeCollection nc = doc.DocumentNode.SelectNodes("//script|//link|//iframe|//frameset|//frame|//applet|//object|//embed"); if (nc != null) { foreach (HtmlNode node in nc) { node.ParentNode.RemoveChild(node, false); } } //remove hrefs to java/j/vbscript URLs nc = doc.DocumentNode.SelectNodes("//a[starts-with(translate(@href, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'javascript')]|//a[starts-with(translate(@href, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'jscript')]|//a[starts-with(translate(@href, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'vbscript')]"); if (nc != null) { foreach (HtmlNode node in nc) { node.SetAttributeValue("href", "#"); } } //remove img with refs to java/j/vbscript URLs nc = doc.DocumentNode.SelectNodes("//img[starts-with(translate(@src, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'javascript')]|//img[starts-with(translate(@src, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'jscript')]|//img[starts-with(translate(@src, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'vbscript')]"); if (nc != null) { foreach (HtmlNode node in nc) { node.SetAttributeValue("src", "#"); } } //remove on<Event> handlers from all tags nc = doc.DocumentNode.SelectNodes("//*[@onclick or @onmouseover or @onfocus or @onblur or @onmouseout or @ondoubleclick or @onload or @onunload]"); if (nc != null) { foreach (HtmlNode node in nc) { node.Attributes.Remove("onFocus"); node.Attributes.Remove("onBlur"); node.Attributes.Remove("onClick"); node.Attributes.Remove("onMouseOver"); node.Attributes.Remove("onMouseOut"); node.Attributes.Remove("onDoubleClick"); node.Attributes.Remove("onLoad"); node.Attributes.Remove("onUnload"); } } // remove any style attributes that contain the word expression (IE evaluates this as script) nc = doc.DocumentNode.SelectNodes("//*[contains(translate(@style, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'expression')]"); if (nc != null) { foreach (HtmlNode node in nc) { node.Attributes.Remove("stYle"); } } return doc.DocumentNode.WriteTo(); }

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  • Can this be improved? Scrubing of dangerous html tags.

    - by chobo2
    I been finding that for something that I consider pretty import there is very little information or libraries on how to deal with this problem. I found this while searching. I really don't know all the million ways that a hacker could try to insert the dangerous tags. I have a rich html editor so I need to keep non dangerous tags but strip out bad ones. So is this script missing anything? It uses html agility pack. public string ScrubHTML(string html) { HtmlDocument doc = new HtmlDocument(); doc.LoadHtml(html); //Remove potentially harmful elements HtmlNodeCollection nc = doc.DocumentNode.SelectNodes("//script|//link|//iframe|//frameset|//frame|//applet|//object|//embed"); if (nc != null) { foreach (HtmlNode node in nc) { node.ParentNode.RemoveChild(node, false); } } //remove hrefs to java/j/vbscript URLs nc = doc.DocumentNode.SelectNodes("//a[starts-with(translate(@href, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'javascript')]|//a[starts-with(translate(@href, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'jscript')]|//a[starts-with(translate(@href, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'vbscript')]"); if (nc != null) { foreach (HtmlNode node in nc) { node.SetAttributeValue("href", "#"); } } //remove img with refs to java/j/vbscript URLs nc = doc.DocumentNode.SelectNodes("//img[starts-with(translate(@src, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'javascript')]|//img[starts-with(translate(@src, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'jscript')]|//img[starts-with(translate(@src, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'vbscript')]"); if (nc != null) { foreach (HtmlNode node in nc) { node.SetAttributeValue("src", "#"); } } //remove on<Event> handlers from all tags nc = doc.DocumentNode.SelectNodes("//*[@onclick or @onmouseover or @onfocus or @onblur or @onmouseout or @ondoubleclick or @onload or @onunload]"); if (nc != null) { foreach (HtmlNode node in nc) { node.Attributes.Remove("onFocus"); node.Attributes.Remove("onBlur"); node.Attributes.Remove("onClick"); node.Attributes.Remove("onMouseOver"); node.Attributes.Remove("onMouseOut"); node.Attributes.Remove("onDoubleClick"); node.Attributes.Remove("onLoad"); node.Attributes.Remove("onUnload"); } } // remove any style attributes that contain the word expression (IE evaluates this as script) nc = doc.DocumentNode.SelectNodes("//*[contains(translate(@style, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), 'expression')]"); if (nc != null) { foreach (HtmlNode node in nc) { node.Attributes.Remove("stYle"); } } return doc.DocumentNode.WriteTo(); }

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  • Is it possible to add a Silverlight 3 out-of-browser application to the add/remove programs list?

    - by Matt Lacey
    Is it possible to include a Silverlight (3) out-of-browser application to the add-or-remove programs list? The intention is to be able to remove the OOB application that way (not just by right-clicking from within the running app)? If the OOB app is installed with a shortcut to the desktop and you try to delete the shortcut you are presented with the standard 'you are just deleting a shortcut if you want to delete the application go to add or remove programs' dialog. I want to tidy up this inconsistency.

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  • What's an easy way of storing an array of numbers in Javascript that I can add/remove from?

    - by SLC
    In C# I would create a List then I could add and remove numbers very easily. Does identical functionality exist in Javascript, or do I have to write my own methods to search and remove items using a loop? var NumberList = []; NumberList.Add(17); NumberList.Add(25); NumberList.Remove(17); etc. I know I can use .push to add a number, so I guess it's really how to remove an individual number without using a loop that I'm looking for. edit: of course, if there's no other way then I'll use a loop!:)

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