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  • How is 'processing credit card data' defined (PCI)?

    - by Chris
    If i have a web application and i receive credit card data transmitted via a POST request by a web browser over HTTPS and instantly open a socket (SSL) to a remote PCI compilant card processor to forward the data and wait for a response, am i allowed to do that? or is this receiving the data with my application and forwarding it already subject of "processing credit card data"? if i create an iframe that is displayed in a client browser to enter cc data and this iframe posts the data via HTTPS to remote card processor (directly!) is this already a case of processing credit card data? even if my application code 'doesnt touch' the entered data with any event handlers? i'm interested in the definition "credit card data processing". when does it start to be a cc data processing application? can somebody maybe point me to that section in PCI-DSS standard that clearly defines when you start to 'be a processing application'? Thanks,

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  • Crystal Reports "File Break"

    - by Chris B. Behrens
    I'm generating a Crystal Reports report which will ultimately need to be split into thousands of pdf files. What would be ideal would be if Crystal Reports had something like a "file break", like a page break, that you could insert into the file at the appropriate places. I will need reasonably fine control over the file names, as well....something like "fileName_{CustomerId}_{CustomerIsLocal}.pdf". I'm presuming a third-party piece of software will probably be needed. Thoughts? TIA.

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  • Sources for news about network security

    - by chris.nullptr
    I am a software developer that wants to stay up-to-date on network security news. What are some of the best sources online for not only keeping tabs on newly discovered security vulnerabilities that may affect projects I'm working on, but also best-practices when developing network software. Please keep in mind that I am looking for sources that cater to the software developer not IT administration.

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  • Limit of 88 bytes on response.write?

    - by Chris
    I am trying to serve a csv file from a wcf service, as a string response. It looks like this: HttpContext.Current.Response.AddHeader("Content-disposition", "attachment; filename=ImportErrors.csv"); HttpContext.Current.Response.ContentType = "text/csv"; HttpContext.Current.Response.Write(myCsvContent); The response StatusCode is set to (int)HttpStatusCode.OK (200) It works, but I am only getting 88 bytes of my csv and the rest is cut off (not shown). Any suggestions on where to look? I don't see any custom entries in my web.config that are setting a limit.

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  • Defining - and dealing with - Evil

    - by Chris Becke
    As a software developer one sometimes gets feature requests that seem to be in some kind of morally grey area. Sometimes one can deflect them, or implement them in a way that feels less 'evil' - sometimes - on reflection - while the feature request 'feels' wrong theres no identifiable part of it that actually causes harm. Sometimes one feels a feature is totally innocent but various anti virus products start tagging one as malware. For example - I personally consider EULAs to (a) hopefully be unenforceable and (b) a means by which rights are REMOVED from consumers. However Anti Virus scanners frequently mark as malware any kind of download agent that does not display a EULA. Which to me is the result of a curious kind of double think. What I want to know is - are there any online (or offline) resources that cover evil software development practices? How can I know if a software practice that I consider dodgy is in fact evil enough to consider fighting?

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  • What is a dictionary attack?

    - by Chris
    When we say dictionary attack, we don't really mean a real dictionary, do we? My guess is we mean a hacker's dictionary i.e. rainbow tables, right? My point is we're not talking about someone keying different passwords into the login box, we're talking about someone who has full access to your database (which has hashed passwords, not plain passwords) and this person is reversing the hashes, right?

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  • Why will show() only work for fields that are hidden using inline css?

    - by Chris
    I am hiding an element using inline css, like so: <span class="hidden-nojs" style="display:none">Some text</span> Next I use jQuery to show the element, like so: $(".hidden-nojs").show(); This works great. As soon as I remove the inline css and put display:none on the external css stylesheet for the hidden-nojs class, it stops working. This is what I wrote in the external stylesheet: .hidden-nojs { display: none; } I'm assuming that the external stylesheet loads after the jQuery has already run? This is somewhat annoying as I would like to hide multiple elements with css and would like to avoid using inline css. Why will show() only work for fields that are hidden using inline css? How can I fix this problem?

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  • Can I add metadata to git commits? Or can I hide some tags in gitk

    - by Chris Nelson
    I want to associate custom metadata with a git commit. Specifically to record a review ID from a code review but it could be anything. Tags seem a natural way to do that but I expect to have a review for every commit and I don't want to clutter gitk with tons of tags. Is there some other mechanism to add custom metadata? Can I make certain tags invisible? If I could tell gitk not to display tags matching some pattern or RE, that would likely work but I don't see a way to do that.

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  • .Net Entity Framework & POCO ... querying full table problem

    - by Chris Klepeis
    I'm attempting to implement a repository pattern with my poco objects auto generated from my edmx. In my repository class, I have: IObjectSet<E> _objectSet; private IObjectSet<E> objectSet { get { if (_objectSet == null) { _objectSet = this._context.CreateObjectSet<E>(); } return _objectSet; } } public IQueryable<E> GetQuery(Func<E, bool> where) { return objectSet.Where(where).AsQueryable<E>(); } public IList<E> SelectAll(Func<E, bool> where) { return GetQuery(where).ToList(); } Where E is the one of my POCO classes. When I trace the database and run this: IList<Contact> c = contactRepository.SelectAll(r => r.emailAddress == "[email protected]"); It shows up in the sql trace as a select for everything in my Contact table. Where am I going wrong here? Is there a better way to do this? Does an objectset not lazy load... so it omitted the where clause? This is the article I read which said to use objectSet's... since with POCO, I do not have EntityObject's to pass into "E" http://devtalk.dk/CommentView,guid,b5d9cad2-e155-423b-b66f-7ec287c5cb06.aspx

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  • How do I display a field's hidden characters in the result of a query in Oracle?

    - by Chris Williams
    I have two rows that have a varchar column that are different according to a Java .equals(). I can't easily change or debug the Java code that's running against this particular database but I do have access to do queries directly against the database using SQLDeveloper. The fields look the same to me (they are street addresses with two lines separated by some new line or carriage feed/new line combo). Is there a way to see all of the hidden characters as the result of a query?I'd like to avoid having to use the ascii() function with substr() on each of the rows to figure out which hidden character is different. I'd also accept some query that shows me which character is the first difference between the two fields.

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  • C standard addressing simplification inconsistency

    - by Chris Lutz
    Section §6.5.3.2 "Address and indirection operators" ¶3 says (relevant section only): The unary & operator returns the address of its operand. ... If the operand is the result of a unary * operator, neither that operator nor the & operator is evaluated and the result is as if both were omitted, except that the constraints on the operators still apply and the result is not an lvalue. Similarly, if the operand is the result of a [] operator, neither the & operator nor the unary * that is implied by the [] is evaluated and the result is as if the & operator were removed and the [] operator were changed to a + operator. ... This means that this: int *i = NULL; printf("%p", (void *) (&*i) ); printf("%p", (void *) (&i[10]) ); Should be perfectly legal, printing the null pointer (probably 0) and the null pointer plus 10 (probably 10). The standard seems very clear that both of those cases are required to be optimized. However, it doesn't seem to require the following to be optimized: struct { int a; short b; } *s = 0; printf("%p", (void *) (&s->b) ); This seems awfully inconsistent. I can see no reason that the above code shouldn't print the null pointer plus sizeof(int) (possibly 4). Simplifying a &-> expression is going to be the same conceptually (IMHO) as &[], a simple address-plus-offset. It's even an offset that's going to be determinable at compile time, rather than potentially runtime with the [] operator. Is there anything in the rationale about why this is so seemingly inconsistent?

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  • Delete Stored Proc Deadlock in Sql Server

    - by Chris
    I am having the following deadlock in SQL Server 2005 with a specific delete stored proc and I can't figure out what I need to do to remedy it. <deadlock-list> <deadlock victim="processf3a868"> <process-list> <process id="processcae718" taskpriority="0" logused="0" waitresource="KEY: 7:72057594340311040 (b50041b389fe)" waittime="62" ownerId="1678098" transactionguid="0x950057256032d14db6a2c553a39a8279" transactionname="user_transaction" lasttranstarted="2010-05-26T13:45:23.517" XDES="0x8306c370" lockMode="RangeS-U" schedulerid="1" kpid="2432" status="suspended" spid="59" sbid="0" ecid="0" priority="0" transcount="2" lastbatchstarted="2010-05-26T13:45:23.717" lastbatchcompleted="2010-05-26T13:45:23.717" clientapp=".Net SqlClient Data Provider" hostname="DEVELOPER01" hostpid="28104" loginname="DEVELOPER01\ServiceUser" isolationlevel="serializable (4)" xactid="1678098" currentdb="7" lockTimeout="4294967295" clientoption1="673185824" clientoption2="128056"> <executionStack> <frame procname="DB.dbo.sp_DeleteSecuritiesRecords" line="13" stmtstart="708" stmtend="918" sqlhandle="0x030007008b6b662229b10c014f9d00000100000000000000"> DELETE FROM tSecuritiesRecords WHERE [FilingID] = @filingID AND [AccountID] = @accountID </frame> </executionStack> <inputbuf> Proc [Database Id = 7 Object Id = 577137547] </inputbuf> </process> <process id="processf3a868" taskpriority="0" logused="0" waitresource="KEY: 7:72057594340311040 (4f00409af90f)" waittime="93" ownerId="1678019" transactionguid="0xb716547a8f7fdd40b342e5db6b3699fb" transactionname="user_transaction" lasttranstarted="2010-05-26T13:45:21.543" XDES="0x92617130" lockMode="X" schedulerid="3" kpid="13108" status="suspended" spid="57" sbid="0" ecid="0" priority="0" transcount="2" lastbatchstarted="2010-05-26T13:45:23.717" lastbatchcompleted="2010-05-26T13:45:23.717" clientapp=".Net SqlClient Data Provider" hostname="DEVELOPER01" hostpid="28104" loginname="DEVELOPER01\ServiceUser" isolationlevel="serializable (4)" xactid="1678019" currentdb="7" lockTimeout="4294967295" clientoption1="673185824" clientoption2="128056"> <executionStack> <frame procname="DB.dbo.sp_DeleteSecuritiesRecords" line="13" stmtstart="708" stmtend="918" sqlhandle="0x030007008b6b662229b10c014f9d00000100000000000000"> DELETE FROM tSecuritiesRecords WHERE [FilingID] = @filingID AND [AccountID] = @accountID </frame> </executionStack> <inputbuf> Proc [Database Id = 7 Object Id = 577137547] </inputbuf> </process> </process-list> <resource-list> <keylock hobtid="72057594340311040" dbid="7" objectname="DB.dbo.tSecuritiesRecords" indexname="PK_tTransactions" id="lock82416380" mode="RangeS-U" associatedObjectId="72057594340311040"> <owner-list> <owner id="processf3a868" mode="RangeS-U"/> </owner-list> <waiter-list> <waiter id="processcae718" mode="RangeS-U" requestType="convert"/> </waiter-list> </keylock> <keylock hobtid="72057594340311040" dbid="7" objectname="DB.dbo.tSecuritiesRecords" indexname="PK_tTransactions" id="lock825fd380" mode="RangeS-U" associatedObjectId="72057594340311040"> <owner-list> <owner id="processcae718" mode="RangeS-S"/> </owner-list> <waiter-list> <waiter id="processf3a868" mode="X" requestType="convert"/> </waiter-list> </keylock> </resource-list> </deadlock> </deadlock-list>

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  • How do I pass the currently logged in user's credentials to a web service using Integrated Windows A

    - by Chris Smith
    I am having a frustrating time trying to do something with Perl that would take a couple of lines of code in C#, namely to call a web service on a Windows server that requires Integrated Windows Authentication. The most likely candidate I've found for success is a module called LWP::Authen::Ntlm, but all the examples I've googled require you to explicitly supply username, password and domain. I don't want to do that - I just want the request to use the credentials of the currently logged in user, a la CredentialCache.DefaultCredentials in .NET. Have any of you Perl gurus out there ever had to do this? Thanks.

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  • User upload file above web root with php

    - by Chris
    I have a website where local bands can have a profile page, I'm implementing an upload system so that they can add songs to their profile. I want to make sure that clever visitors to my website cannot download their songs. I was thinking about uploading them to above the folder for my domain so that they cannot be accessed directly. Is this a good idea and/or possible? If not, what do you suggest I do to try and avoid users downloading songs. I'm already using a flash player to try and prevent downloads.

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  • SQL Server 2008 - db mail issue

    - by Chris
    Hello. I have two instances of SQL Server 2008. One was upgraded from SQL Server 2000 and one was a clean, new install. SQL Mail operates perfectly on both instances. DB Mail operates perfectly on the newly installed instance. On the upgraded instance, DB Mail does not send any mail. Of course, I am not positive that the fact this instance is upgraded has anything to do with the issue, but it might. The configuration of my db mail profile and account looks identical to my functioning instance. In the configuration of the 'alerts' tab in the SQL Agent properties i have tried selecting both DB Mail and SQL Mail to no avail. Both instances use the same SMTP server with the same authentication (domain with db engine account). All messages sent via sp_send_db mail and those sent via the 'test email' option are visible in the sysmail_allitems queue and remain there as 'unsent'. The send_status eventually changes to 'failed'. The only messages in the sysmail_event_log are 'mail queue stopped by login domain\myuser', 'mail queue started by login domain/myuser' and 'activiation successful.'. selecting from the externalmailqueue has the same number of rows as sysmail_allitems. i have tried bouncing the agent, the entire instance and moving the other functioning instance to the other node in the cluster. any thoughts? thx.

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  • EXC_BAD_ACCESS when not using self.

    - by chris
    I got nabbed by the following bug again and would like some clarification to exactly why it is a bug. I have a simple UITableView that loads some data: // myclass.h @property (nonatomic, retain) NSArray *myData // myclass.m @synthesize myData; - (void) viewDidLoad { ... myData = someDataSource // note the lack of self } - (UITableViewCell *) cellForRowAtIndexPath ... { ... cell.textLabel.text = [self.myData objectAtIndex:indexPath.row]; // EXC_BAD_ACCESS } The table first loads fine, but when scrolling up enough that one of the cells is totally out of the view I then get the EXC_BAD_ACCESS error. Am I missing something in regards to @property retain. My understanding is that it releases anything that the pointer was previously pointing to before the reassignment. If I am correct then why would not using self. cause any problems? Thanks for the help.

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  • Do controls need to be defined in a web app or will .NET do it for you

    - by Chris
    I always thought that when you dropped a control onto an .aspx page that a declaration of that control ended up being generated for you (either in a designer file, or within your code behind). All of the apps I have worked on have worked this way. A coworker of mine was installing resharper and it was showing that all her code behind pages would not build. Turned out that resharper could not find a definition for any control that she has dropped onto her markup. She has no designer files, and no declarations in markup. Do they get automatically built when putting together the partial classes? Is there an option at that page/project level to instruct .NET to do this for you? Is this a difference between web app and web site? This is a a .NET 3.5 site, C#, and it is running in a production environment. Thanks in advance

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  • stuck on sliders with jquery

    - by chris
    I am building a portfolio page of different work that has been done and im using two different jquery sliding techniques, one nested in amongst the other one. The first slider works great but the second one doesnmt work that great for the first few and then doesnt work at all. If you take a look at this page- You can click the clients up and down the left side to slide the main divs, but when you click on the squares in below the images to slide in and out the content, either it doesnt work as smoothly as it should or it doesnt work right at all. http://justni.com/wip/mdd/martin_duggan_portfolio.html anyone wanna take a look at the code and tell me what am doing wrong?

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  • memory usage in C# (.NET) app is very high, until I call System.GC.Collect()

    - by Chris Gray
    I've written an app that spins a few threads each of which read several MB of memory. Each thread then connects to the Internet and uploads the data. this occurs thousands of times and each upload takes some time I'm seeing a situation where (verified with windbg/sos and !dumpheap) that the Byte[] are not getting collected automatically, causing 100/150MB of memory to be reported in task manager if I call System.GC.Collect() i'm seeing a huge drop in memory, a drop of over 100MB I dont like calling System.GC.Collect() and my PC has tons of free memory. however if anyone looks at TaskManager they're going to be concerned, thinking my app is leaking horribly. tips?

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  • For SQL select returning more than 1 value, how are they sorted when Id is GUID?

    - by Chris F
    I'm wondering how MSSQL orders data that is returned from a query and the Id columns of the respective tables are all of type uniqueidentifier. I'm using NHibernate GuidComb when creating all of the GUIDs and do things like: Sheet sheet = sheetRepository.Get(_SheetGuid_); // has many lines items IList<SheetLineItem> lineItems = sheet.LineItems; I'm just trying to figure out how they'll be ordered when I do something like: foreach (SheetLineItem lineItem in lineItems) I can't see to find a good article on the way GUIDs are compared by SQL when being ordered, if that's what's happening.

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  • Change classloader

    - by Chris
    I'm trying to switch the class loader at runtime: public class Test { public static void main(String[] args) throws Exception { final InjectingClassLoader classLoader = new InjectingClassLoader(); Thread.currentThread().setContextClassLoader(classLoader); Thread thread = new Thread("test") { public void run() { System.out.println("running..."); // approach 1 ClassLoader cl = TestProxy.class.getClassLoader(); try { Class c = classLoader.loadClass("classloader.TestProxy"); Object o = c.newInstance(); c.getMethod("test", new Class[] {}).invoke(o); } catch (Exception e) { e.printStackTrace(); } // approach 2 new TestProxy().test(); }; }; thread.setContextClassLoader(classLoader); thread.start(); } } and: public class TestProxy { public void test() { ClassLoader tcl = Thread.currentThread().getContextClassLoader(); ClassLoader ccl = ClassToLoad.class.getClassLoader(); ClassToLoad classToLoad = new ClassToLoad(); } } (it is not relevant what the InjectingClassLoader is) I'd like to make the result of "approach 1" and "approach 2" exactly same, but it looks like thread.setContextClassLoader(classLoader) does nothing and the "approach 2" always uses the system classloader (can be determined by comparing tcl and ccl variables while debugging). Is it possible to make all classes loaded by new thread use given classloader?

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  • How to use associated Model as datasource for DataView

    - by Chris Gilbert
    I have a Model structure as shown below and I want to know how to use the Bookings array as the datasource of my DataView. Model Structure: Client ClientId Name Bookings (HasManyAssociation) Contacts (HasManyAssociation) AjaxProxy JsonReader (ImplicitIncludes is set to true so child models are created with one call) Booking BookingNodeId BookingDetails Contact ContactNodeId ContactDetails The above gives me a data structure as follows: Client Bookings[ Booking Booking ] Contacts[ Contact Contact ] What I want to be able to do is either, create a Store from my Bookings array and then use that store as the datasource for my DataView OR directly use the Bookings array as the datasource (I don't really care how I do it to be honest). If I setup the AjaxProxy on my Booking model it works fine but then obviously I cannot automatically create my Client and Contacts when I load my JSON. It seems to me to make sense that the Client model, being the top level model hierarchically, is the one to load the data. EDIT: I figured it out as follows (with special thanks to handet87 below for his dataview.setStore() pointer). The key in this case is to know that creating the relationship actually sets up another store called, in this case BookingsStore and ContactsStore. All I needed to do was dataview.setStore("BookingsStore")

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  • Iterate over a dict or list in Python

    - by Chris Dutrow
    Just wrote some nasty code that iterates over a dict or a list in Python. I have a feeling this was not the best way to go about it. The problem is that in order to iterate over a dict, this is the convention: for key in dict_object: dict_object[key] = 1 But modifying the object properties by key does not work if the same thing is done on a list: # Throws an error because the value of key is the property value, not # the list index: for key in list_object: list_object[key] = 1 The way I solved this problem was to write this nasty code: if isinstance(obj, dict): for key in obj: do_loop_contents(obj, key) elif isinstance(obj, list): for i in xrange(0, len(obj)): do_loop_contents(obj, i) def do_loop_contents(obj, key): obj[key] = 1 Is there a better way to do this? Thanks!

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