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  • Dynamic query runs directly but not through variable, what could be the reason?

    - by waheed
    Here is my scenario, I'm creating a dynamic query using a select statement which uses functions to generate the query. I am storing it into a variable and running it using exec. i.e. declare @dsql nvarchar(max) set @dsql = '' select @dsql = @dsql + dbo.getDynmicQuery(column1, column2) from Table1 exec(@dsql) Now it produces the many errors in this scenario, like 'Incorrect syntax near ','' and 'Case expressions may only be nested to level 10.' But if i take the text from @dsql and assign it a variable manually like: declare @dsql nvarchar(max) set @dsql = '' set @dsql = N'<Dynamic query text>' exec(@dsql) it runs and generates the result, what could be the reason for that ?? Thanks..

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  • SQL Server 2000 incorrect message: duplicate key with unique index

    - by iar
    Database server: SQL Server 2000 - 8.00.760 - SP3 - Standard Edition I have a table with 5 columns, in which I want to add a large (300.000) number of records. There is a unique index on the combination of two columns. If I add the records with this unique index in place, SQL Server gives this error message: Msg 2601, Level 14, State 3, Line 1 Cannot insert duplicate key row in object 'TESTTABLE' with unique index 'test'. The statement has been terminated. (0 row(s) affected) However, if I delete the unique index and then add the records, I do not get any error when I create this unique index afterwards.

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  • ASP .NET 2.0 cannot open SQLConnection

    - by user162117
    Using: IIS 6; Anonymous Authentication (with a user that belongs to the administrators group); SQL Server 2005; .NET 2.0 Web.config: <system.web> <securityPolicy> <trustLevel name="Full" policyFile="internal" /> </securityPolicy> </system.web> <identity impersonate="true"/> I have this exception when I try to Open a SQLConnection: Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file. Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. What could it be?

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  • Global Handler in IIS7 (Classic Mode) gives "Failed to Execute" error

    - by Akash Kava
    I have made a custom handler called MyIndexHandler and I want it to handle *.index requests, now as I want this handler to be executed by any website, I installed my handler with following two steps in IIS manager. Add MyIndexHandler.dll in GAC Add Managed Module for *.index, the drop down in IIS displays my index handler correctly so it means it did find it correctly from the GAC. I added Script map for aspnet_isapi.dll for *.index (this is required for classic mode) Now in any of my website if I try xyz.index, my handler does not get called and it returns "Failed to execute URL", now this only happens when IIS is unable to find the mapped handler, but I already have defined mapped handler at IIS level and when i try to add entry in web.config manually for this handler, it tells me you can not define multiple handler, it means that IIS finds my handler, mapping but for some reason it does not execute it.

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  • GoDaddy and ASP.NET Security exception thrown

    - by stighy
    Hi guys, i'm having a problem when i try to host my website on godaddy. This is what i receive from website: Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. To discover the problem, i've tried changin my web.config, adding "trust level='Medium'". But i get an error when i try to access godaddy mysql server with the mysql connector. Any ideas ? Thanks in advance !

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  • Good Economics book for developers

    - by Rocket Surgeon
    Joel mentions in several of his blog posts that it is very important for a developer/software entrepreneur to have solid understanding of Economics. Yet the Fog Creek MBA book reading list does not include any Economics books. Is there any good material that people can recommend? Obviously, I am not as concerned about mathematical treatise as foundations and basic principles. For example, I was able to find a very good high-level read on Macroeconomics: Concise Guide to Macroeconomics but I am yet to find anything similar on Microeconomics. Any suggestions and reading pointers would be highly appreciated.

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  • Can't connect to samba

    - by Rick
    Windows 7, connecting to Samba shares I have a follow up question from the link above. I am running Samba 3.0.23d on FreeBSD is release 7.1 I changed the policies as described above but still cannot connect to the samba server with the windows 7 or a server 2008. I feel it is a problem with recognizing the new machines on the network. the windows machines can see the samba server, but cannot connect to it or view any of the files. After changing the security policies the samba server asked for network id and password but would not allow the machine to connect, said they were unknown username or bad password. Here is my current config file. there is no sign of encryption anywhere, should I just add the line? not sure what that would do elsewhere. Workgroup = WWOFFSET server string = WWO File Server (%v) security = server username map = /usr/local/etc/smb.users hosts allow = 10. 127. # If you want to automatically load your printer list rather # than setting them up individually then you'll need this ; load printers = yes # you may wish to override the location of the printcap file ; printcap name = /etc/printcap # on SystemV system setting printcap name to lpstat should allow # you to automatically obtain a printer list from the SystemV spool # system ; printcap name = lpstat # It should not be necessary to specify the print system type unless # it is non-standard. Currently supported print systems include: # bsd, cups, sysv, plp, lprng, aix, hpux, qnx ; printing = cups # Uncomment this if you want a guest account, you must add this to /etc/passwd # otherwise the user "nobody" is used ; guest account = pcguest # this tells Samba to use a separate log file for each machine # that connects log file = /var/log/samba/log.%m # Put a capping on the size of the log files (in Kb). max log size = 50 # Use password server option only with security = server # The argument list may include: # password server = My_PDC_Name [My_BDC_Name] [My_Next_BDC_Name] # or to auto-locate the domain controller/s # password server = * ; password server = <NT-Server-Name> password server = SERVER0 # Use the realm option only with security = ads # Specifies the Active Directory realm the host is part of ; realm = MY_REALM # Backend to store user information in. New installations should # use either tdbsam or ldapsam. smbpasswd is available for backwards # compatibility. tdbsam requires no further configuration. ; passdb backend = tdbsam ; passdb backend = smbpasswd # Using the following line enables you to customise your configuration # on a per machine basis. The %m gets replaced with the netbios name # of the machine that is connecting. # Note: Consider carefully the location in the configuration file of # this line. The included file is read at that point. ; include = /usr/local/etc/smb.conf.%m # Most people will find that this option gives better performance. # See the chapter 'Samba performance issues' in the Samba HOWTO Collection # and the manual pages for details. # You may want to add the following on a Linux system: # SO_RCVBUF=8192 SO_SNDBUF=8192 socket options = TCP_NODELAY # Configure Samba to use multiple interfaces # If you have multiple network interfaces then you must list them # here. See the man page for details. ; interfaces = 192.168.12.2/24 192.168.13.2/24 # Browser Control Options: # set local master to no if you don't want Samba to become a master # browser on your network. Otherwise the normal election rules apply ; local master = no # OS Level determines the precedence of this server in master browser # elections. The default value should be reasonable ; os level = 33 # Domain Master specifies Samba to be the Domain Master Browser. This # allows Samba to collate browse lists between subnets. Don't use this # if you already have a Windows NT domain controller doing this job ; domain master = yes # Preferred Master causes Samba to force a local browser election on startup # and gives it a slightly higher chance of winning the election ; preferred master = yes # Enable this if you want Samba to be a domain logon server for # Windows95 workstations. ; domain logons = yes # if you enable domain logons then you may want a per-machine or # per user logon script # run a specific logon batch file per workstation (machine) ; logon script = %m.bat # run a specific logon batch file per username ; logon script = %U.bat # Where to store roving profiles (only for Win95 and WinNT) # %L substitutes for this servers netbios name, %U is username # You must uncomment the [Profiles] share below ; logon path = \\%L\Profiles\%U # Windows Internet Name Serving Support Section: # WINS Support - Tells the NMBD component of Samba to enable it's WINS Server ; wins support = yes # WINS Server - Tells the NMBD components of Samba to be a WINS Client # Note: Samba can be either a WINS Server, or a WINS Client, but NOT both ; wins server = w.x.y.z # WINS Proxy - Tells Samba to answer name resolution queries on # behalf of a non WINS capable client, for this to work there must be # at least one WINS Server on the network. The default is NO. ; wins proxy = yes # DNS Proxy - tells Samba whether or not to try to resolve NetBIOS names # via DNS nslookups. The default is NO. dns proxy = no # charset settings ; display charset = ASCII ; unix charset = ASCII ; dos charset = ASCII # These scripts are used on a domain controller or stand-alone # machine to add or delete corresponding unix accounts ; add user script = /usr/sbin/useradd %u ; add group script = /usr/sbin/groupadd %g ; add machine script = /usr/sbin/adduser -n -g machines -c Machine -d /dev/null -s /bin/false %u ; delete user script = /usr/sbin/userdel %u ; delete user from group script = /usr/sbin/deluser %u %g ; delete group script = /usr/sbin/groupdel %g unix extensions = no

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  • Counting number of children in hierarchical SQL data

    - by moontear
    Hello, for a simple data structure such as so: ID parentID Text Price 1 Root 2 1 Flowers 3 1 Electro 4 2 Rose 10 5 2 Violet 5 6 4 Red Rose 12 7 3 Television 100 8 3 Radio 70 9 8 Webradio 90 For reference, the hierarchy tree looks like this: ID Text Price 1 Root |2 Flowers |-4 Rose 10 | |-6 Red Rose 12 |-5 Violet 5 |3 Electro |-7 Television 100 |-8 Radio 70 |-9 Webradio 90 I'd like to count the number of children per level. So I would get a new column "NoOfChildren" like so: ID parentID Text Price NoOfChildren 1 Root 8 2 1 Flowers 3 3 1 Electro 3 4 2 Rose 10 1 5 2 Violet 5 0 6 4 Red Rose 12 0 7 3 Television 100 0 8 3 Radio 70 1 9 8 Webradio 90 0 I read a few things about hierarchical data, but I somehow get stuck on the multiple inner joins on the parentIDs. Maybe someone could help me out here. moon

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  • How to read in text from the visual studio debug output window

    - by Jeremy Bell
    I've read several articles that tell you how to add text to the output window in visual studio from within an Add-On (specifically, a visual studio 2008 integration package, via the visual studio 2008 SDK 1.1), but no examples of how to read text from the output window. My goal is to parse text from the debug output window while debugging a certain application (TRACE output and possibly stdin/stdout). The IVsOutputWindowPane interface has no methods for reading in text from the output window. The documentation seems to imply that it is possible, but it doesn't provide an example: http://msdn.microsoft.com/en-us/library/bb166236(VS.80).aspx Quote: In addition, the OutputWindow and OutputWindowPane objects add some higher-level functionality to make it easier to enumerate the Output window panes and to retrieve text from the panes. Preferably I'd like to be able to subscribe to an event that fires when a new line of text arrives, similar to a StreamReader's asynchronous reads.

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  • XML parsing with SAX | how to handle special characters?

    - by cedar715
    We have a JAVA application that pulls the data from SAP, parses it and renders to the users. The data is pulled using JCO connector. Recently we were thrown an exception: org.xml.sax.SAXParseException: Character reference "&#00" is an invalid XML character. So, we are planning to write a new level of indirection where ALL special/illegal characters are replaced BEFORE parsing the XML. My questions here are : 1. Is there any existing(open source) utility that does this job of replacing illegal characters in XML? 2. Or if I had to write such utility, how should i handle them? 3. Why is the above exception thrown? Thank You.

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  • How to create migration in subdirectory with Rails?

    - by Adrian Serafin
    Hi! I'm writing SaaS model application. My application database consist of two logic parts: application tables - such as user, roles... user defined tables (he can generate them from ui level) that can be different for each application instance All tables are created by rails migrations mechanism. I would like to put user defined tables in another directory: db/migrations - application tables db/migrations/custom - tables generated by user so i can do svn:ignore on db/migrations/custom, and when I do updates of my app on clients servers it would only update application tables migrations. Is there any way to achieve this in rails?

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  • iTunes Visualizer Plugin in C# - Energy Function

    - by James D
    Hi, iTunes Visualizer plugin in C#. Easiest way to compute the "energy level" for a particular sample? I looked at this writeup on beat detection over at GameDev and have had some success with it (I'm not doing beat detection per se, but it's relevant). But ultimately I'm looking for a stupid-as-possible, quick-and-dirty approach for demo purposes. For those who aren't familiar with how iTunes structures visualization data, basically you're given this: struct VisualPluginData { /* SNIP */ RenderVisualData renderData; UInt32 renderTimeStampID; UInt8 minLevel[kVisualMaxDataChannels]; // 0-128 UInt8 maxLevel[kVisualMaxDataChannels]; // 0-128 }; struct RenderVisualData { UInt8 numWaveformChannels; UInt8 waveformData[kVisualMaxDataChannels][kVisualNumWaveformEntries]; // 512-point FFT UInt8 numSpectrumChannels; UInt8 spectrumData[kVisualMaxDataChannels][kVisualNumSpectrumEntries]; }; Ideally, I'd like an approach that a beginning programmer with little to no DSP experience could grasp and improve on. Any ideas? Thanks!

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  • Accessing Active Directory Role Membership through LDAP using SQL Server 2005

    - by David Neale
    I would like to get a list of Active Directory users along with the security groups they are members of using SQL Server 2005 linked servers. I have the query working to retrieve records but I'm not sure how to access the memberOf attribute (it is a multi-value LDAP attribute). I have this temporary to store the information: DROP TABLE #ADUSERGROUPS CREATE TABLE #ADUSERGROUPS ( sAMAccountName varchar(30), UserGroup varchar(50) ) Each group/user association should be one row. This is my SELECT statement: SELECT sAMAccountName,memberOf FROM OpenQuery(ADSI, '<LDAP://hqdc04/DC=nt,DC=avs>; (&(objectClass=User)(sAMAccountName=9695)(sn=*)(mail=*)(userAccountControl=512)); sAMAccountName,memberOf;subtree') I get this error msg: OLE DB error trace [OLE/DB Provider 'ADSDSOObject' IRowset::GetData returned 0x40eda: Data status returned from the provider: [COLUMN_NAME=memberOf STATUS=DBSTATUS_E_CANTCONVERTVALUE], [COLUMN_NAME=sAMAccountName STATUS=DBSTATUS_S_OK]]. Msg 7346, Level 16, State 2, Line 2 Could not get the data of the row from the OLE DB provider 'ADSDSOObject'. Could not convert the data value due to reasons other than sign mismatch or overflow.

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  • Can I upgrade Xcode to support a newer version of GCC to learn C++0x?

    - by Shane
    I would like to jump in learn C++0x, which has matured to a level I'm happy with. Xcode on Snow Leopard 10.6 is currently at GCC 4.2.1, and the new features I'd like to try, like std::shared_ptr, lambdas, auto, null pointer constant, unicode string literals, and other bits and pieces, require at least 4.3 (I believe). Ideally I'd use Xcode but I'm not even sure if you can manually upgrade the compiler for Xcode. Is this possible? Otherwise, what is the best way to install a different version of GCC that doesn't interfere with the rest of the system? Regards, Shane

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  • how to sort a multidemensional array by an inner key

    - by Derek Vance
    i have this enormous array that i am pulling from an API for BattleField Bad Company 2, and the soldier stats can be pulled as a multi dimensional array with an inner array for each soldier, however the API sormats it sorting the soldiers by name alphabetically, i want to sort them by rank (which is just another key within that soldiers array). ive been trying to figure this out for days, anyone have any ideas? (ie sort the array by $arr[players][][rank] here is a bit of the array Array ( [players] = Array ( [0] = Array ( [name] = bigjay517 [rank] = 29 [rank_name] = SECOND LIEUTENANT II [veteran] = 0 [score] = 979440 [level] = 169 [kills] = 4134 [deaths] = 3813 [time] = 292457.42 [elo] = 319.297 [form] = 1 [date_lastupdate] = 2010-03-30T14:06:20+02:00 [count_updates] = 13 [general] = Array ( [accuracy] = 0.332 [dogr] = 86 [dogt] = 166 [elo0] = 309.104 [elo1] = 230.849 [games] = 384 [goldedition] = 0 [losses] = 161 [sc_assault] = 146333 [sc_award] = 567190 [sc_bonus] = 35305 [sc_demo] = 96961 [sc_general] = 264700 [sc_objective] = 54740 [sc_recon] = 54202 [sc_squad] = 53210 [sc_support] = 70194 [sc_team] = 21215 [sc_vehicle] = 44560 [slevel] = 0 [spm] = 0 [spm0] = 0 [spm1] = 0 [srank] = 0 [sveteran] = 0 [teamkills] = 67 [udogt] = 0 [wins] = 223 )

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  • Pagination For SMS in Android specifically

    - by Priyank
    Hi. I had a pagination related question posted earlier. Here I went through the posted answers and suggested choices and I realized that to implement pagination in an application I could still write db level queries and ensure that I could implement pagination, even if in a crude form. However I have few follow up questions now: I am trying to show SMS from a content provider. Suppose I don't want to use content provider; can I access SMS table in database through my application. Aoes android's security framework allow that? How do people generally handle pagination problems in android, related to content that they are not storing but instead are fetching through content providers. (Android's own or custom) Isn't this a bigger problem. I am surprised to find so little text online about it.

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  • Innodb setting in xampp doesn't seem locate my.cnf file....

    - by bala3569
    I created a new mysql database and i want to use foreign keys with it... I googled and found out this... InnoDB is one of MySQL storage engines, it supports transactions, row-level locking, and foreign-keys. However, by default, InnoDB is not enabled by XAMPP. To enable it, locate the my.cnf configuration file (normally in C:/xampp/mysql/bin directory) and search for the following lines: # Comment the following if you are using InnoDB tables But the path C:/xampp/mysql/bin directory in my system doesn't seem to have such a file... Look at this image http://img691.imageshack.us/img691/524/mysqln.jpg Where is my.cnf file? Any suggestion...

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  • How to implement a graph-structured stack?

    - by Emil
    Ok, so I would like to make a GLR parser generator. I know there exist such programs better than what I will probably make, but I am doing this for fun/learning so that's not important. I have been reading about GLR parsing and I think I have a decent high level understanding of it now. But now it's time to get down to business. The graph-structured stack (GSS) is the key data structure for use in GLR parsers. Conceptually I know how GSS works, but none of the sources I looked at so far explain how to implement GSS. I don't even have an authoritative list of operations to support. Can someone point me to some good sample code/tutorial for GSS? Google didn't help so far. I hope this question is not too vague.

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  • Finding a pattern within a string variable in C#

    - by lo3
    Ok i'm working on a project for a 200 level C# course, we are required to create a heads or tails project. Basically the project is setup so that the computer will guess randomly up to 5 times, but on the sixth time it will look into the playersGuessHistory variable setup as a string to see if it can find a match for a pattern of 4 entires, if there is a pattern found the computer will guess the next character after the pattern EX: [HHTT]H [HHTTH]H HHTT being the pattern then the computer would guess H for the next turn. My only problem is that i'm having difficulty setting up the project so that it will look through the playersguesshistory and find the patterns and guess the next character in the history. Any suggestions?

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  • Netstat shows numerous CLOSE_WAIT states for mysql connections

    - by Sudheer
    The output of netstat -an shows many mysql connections in CLOSE_WAIT state and when i checked the processlist in mysql using 'SHOW PROCESSLIST' the connections shown in netstat do not appear. What possible could be the reason for this. I use tomcat with mysql-connector and use a Connection Pool as well. Is it that the application is not closing the mysql connection or is there any other reason for this behaviour... sometimes the CLOSE_WAIT reaches over 200. On the application level i made sure that i close all the connections(make sure i issue a close() command in the finally block) created using jdbc. Any help would be appreciated.

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  • Python - do big doc strings waste memory?

    - by orokusaki
    I understand that in Python a string is simply an expression and a string by itself would be garbage collected immediately upon return of control to a code's caller, but... Large class/method doc strings in your code: do they waste memory by building the string objects up? Module level doc strings: are they stored infinitely by the interpreter? Does this even matter? My only concern came from the idea that if I'm using a large framework like Django, or multiple large open source libraries, they tend to be very well documented with potentially multiple megabytes of text. In these cases are the doc strings loaded into memory for code that's used along the way, and then kept there, or is it collected immediately like normal strings?

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  • MySQL Trigger creation

    - by Bruce Garlock
    I have an application where I need to INSERT an auto_increment value from a PK in another table. I know how to do this in PHP, but I need to have this done at the DB level, since I cannot change the program logic. I am new to triggers, so I'm sure this will be an easy answer for someone. Here is what I have so far: DELIMITER // CREATE TRIGGER new_project AFTER INSERT ON m_quality_header FOR EACH ROW BEGIN INSERT INTO m_quality_detail (d_matl_qa_ID) VALUES (NEW.h_matl_qa_ID); END// DELIMITER ; I just want the value of the auto_increment value from h_matl_qa_ID to be inserted as a new record into d_matl_qa_ID. The error I get is: "This version of MySQL doesn't yet support 'multiple triggers with the same action time and event for one table' But, I don't want to update the table that has the trigger, so why is my current code considered a 'multiple' trigger? This is on MySQL 5.0.45-7.el5 running on a CentOS 5 server (64-bit Intel) If I have to, I can modify the PHP code, but that needs to be the last resort.

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  • Can you help me think of problems for my programming language?

    - by I can't tell you my name.
    I've created an experimental toy programming language with a (now) working interpreter. It is turing-complete and has a pretty low-level instruction set. Even if everything takes four to six times more code and time than in PHP, Python or Ruby I still love programming all kinds of things in it. So I got the "basic" things that are written in many languages working: Hello World Input - Output Countdowns (not as easy as you think as there are no loops) Factorials Array emulation 99 Bottles of Beer (simple, wrong inflection) 99 Bottles of Beer (canonical) Conjatz conjecture Quine (that was a fun one!) Brainf*ck interpreter (To proof turing-completeness, made me happy) So I implemented all of the above examples because: They all used many different aspects of the language They are pretty interesting They don't take hours to write Now my problem is: I've run out of ideas! I don't find any more examples of what problems I could solve using my language. Do you have any programming problems which fit into some of the criteria above for me to work out?

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  • How do I manually Dispose RSACryptoServiceProvider?

    - by phq
    I have read on MSDN(see Important note) that RSACryptoServiceProvider must be disposed. They give the example: using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider()) Now I'm trying to include RSACryptoServiceProvider into MyClass making use of it in several Methods. With this setup I cannot use the using statement. Instead I try to call the .Dispose() Method of the RSACryptoServiceProvider object at a suitable time but then I get the compile error message: `System.Security.Cryptography.AsymmetricAlgorithm.Dispose(bool)' is inaccessible due to its protection level Is RSACryptoServiceProvider not supposed to be used longer than one function call(using the using statement)? How can I fix this, is not making the Dispose call an option?

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  • Performance Testing Versus Unit Testing

    - by Mystagogue
    I'm reading Osherove's "The Art of Unit Testing," and though I've not yet seen him say anything about performance testing, two thoughts still cross my mind: Performance tests generally can't be unit tests, because performance tests generally need to run for long periods of time. Performance tests generally can't be unit tests, because performance issues too often manifest at an integration or system level (or at least the logic of a single unit test needed to re-create the performance of the integration environment would be too involved to be a unit test). Particularly for the first reason stated above, I doubt it makes sense for performance tests to be handled by a unit testing framework (such as NUnit). My question is: do my findings / leanings correspond with the thoughts of the community?

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