breadth first traversal - Page 86

C# 4 Named Parameters for Overload Resolution

- by Steve Michelotti

C# 4 is getting a new feature called named parameters. Although this is a stand-alone feature, it is often used in conjunction with optional parameters. Last week when I was giving a presentation on C# 4, I got a question on a scenario regarding overload resolution that I had not considered before which yielded interesting results. Before I describe the scenario, a little background first. Named parameters is a well documented feature that works like this: suppose you have a method defined like this: 1: void DoWork(int num, string message = "Hello") 2: { 3: Console.WriteLine("Inside DoWork() - num: {0}, message: {1}", num, message); 4: } This enables you to call the method with any of these: 1: DoWork(21); 2: DoWork(num: 21); 3: DoWork(21, "abc"); 4: DoWork(num: 21, message: "abc"); and the corresponding results will be: Inside DoWork() - num: 21, message: Hello Inside DoWork() - num: 21, message: Hello Inside DoWork() - num: 21, message: abc Inside DoWork() - num: 21, message: abc This is all pretty straight forward and well-documented. What is slightly more interesting is how resolution is handled with method overloads. Suppose we had a second overload for DoWork() that looked like this: 1: void DoWork(object num) 2: { 3: Console.WriteLine("Inside second overload: " + num); 4: } The first rule applied for method overload resolution in this case is that it looks for the most strongly-type match first. Hence, since the second overload has System.Object as the parameter rather than Int32, this second overload will never be called for any of the 4 method calls above. But suppose the method overload looked like this: 1: void DoWork(int num) 2: { 3: Console.WriteLine("Inside second overload: " + num); 4: } In this case, both overloads have the first parameter as Int32 so they both fulfill the first rule equally. In this case the overload with the optional parameters will be ignored if the parameters are not specified. Therefore, the same 4 method calls from above would result in: Inside second overload: 21 Inside second overload: 21 Inside DoWork() - num: 21, message: abc Inside DoWork() - num: 21, message: abc Even all this is pretty well documented. However, we can now consider the very interesting scenario I was presented with. The question was what happens if you change the parameter name in one of the overloads. For example, what happens if you change the parameter *name* for the second overload like this: 1: void DoWork(int num2) 2: { 3: Console.WriteLine("Inside second overload: " + num2); 4: } In this case, the first 2 method calls will yield *different* results: 1: DoWork(21); 2: DoWork(num: 21); results in: Inside second overload: 21 Inside DoWork() - num: 21, message: Hello We know the first method call will go to the second overload because of normal method overload resolution rules which ignore the optional parameters. But for the second call, even though all the same rules apply, the compiler will allow you to specify a named parameter which, in effect, overrides the typical rules and directs the call to the first overload. Keep in mind this would only work if the method overloads had different parameter names for the same types (which in itself is weird). But it is a situation I had not considered before and it is one in which you should be aware of the rules that the C# 4 compiler applies.

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C -Segmentation fault !

- by FILIaS

It seems at least weird to me... The program runs normally.But after I call the enter() function for the 4th time,there is a segmentation fault!I would appreciate any help. With the following function enter() I wanna add user commands' datas to a list. [Some part of the code is already posted on another question of me, but I think I should post it again...as it's a different problem I'm facing now.] /* struct for all the datas that user enters on file*/ typedef struct catalog { char short_name[50]; char surname[50]; signed int amount; char description[1000]; struct catalog *next; }catalog,*catalogPointer; catalogPointer current; catalogPointer head = NULL; void enter(void) //user command: i <name> <surname> <amount> <description> { int n,j=2,k=0; char temp[1500]; char *short_name,*surname,*description; signed int amount; char* params = strchr(command,' ') + 1; //strchr returns a pointer to the 1st space on the command.U want a pointer to the char right after that space. strcpy(temp, params); //params is saved as temp. char *curToken = strtok(temp," "); //strtok cuts 'temp' into strings between the spaces and saves them to 'curToken' printf("temp is:%s \n",temp); printf("\nWhat you entered for saving:\n"); for (n = 0; curToken; ++n) //until curToken ends: { if (curToken) { short_name = malloc(strlen(curToken) + 1); strncpy(short_name, curToken, sizeof (short_name)); } printf("Short Name: %s \n",short_name); curToken = strtok(NULL," "); if (curToken) { surname = malloc(strlen(curToken) + 1); strncpy(surname, curToken,sizeof (surname)); } printf("SurName: %s \n",surname); curToken = strtok(NULL," "); if (curToken) { //int * amount= malloc(sizeof (signed int *)); char *chk; amount = (int) strtol(curToken, &chk, 10); if (!isspace(*chk) && *chk != 0) fprintf(stderr,"Warning: expected integer value for amount, received %s instead\n",curToken); } printf("Amount: %d \n",amount); curToken = strtok(NULL,"\0"); if (curToken) { description = malloc(strlen(curToken) + 1); strncpy(description, curToken, sizeof (description)); } printf("Description: %s \n",description); break; } if (findEntryExists(head, surname,short_name) != NULL) //call function in order to see if entry exists already on the catalog printf("\nAn entry for <%s %s> is already in the catalog!\nNew entry not entered.\n",short_name,surname); else { printf("\nTry to entry <%s %s %d %s> in the catalog list!\n",short_name,surname,amount,description); newEntry(&head,short_name,surname,amount,description); printf("\n**Entry done!**\n"); } // Maintain the list in alphabetical order by surname. } catalogPointer findEntryExists (catalogPointer head, char num[],char first[]) { catalogPointer p = head; while (p != NULL && strcmp(p->surname, num) != 0 && strcmp(p->short_name,first) != 0) { p = p->next; } return p; } catalogPointer newEntry (catalog** headRef,char short_name[], char surname[], signed int amount, char description[]) { catalogPointer newNode = (catalogPointer)malloc(sizeof(catalog)); catalogPointer first; catalogPointer second; catalogPointer tmp; first=head; second=NULL; strcpy(newNode->short_name, short_name); strcpy(newNode->surname, surname); newNode->amount=amount; strcpy(newNode->description, description); while (first!=NULL) { if (strcmp(surname,first->surname)>0) second=first; else if (strcmp(surname,first->surname)==0) { if (strcmp(short_name,first->short_name)>0) second=first; } first=first->next; } if (second==NULL) { newNode->next=head; head=newNode; } else //SEGMENTATION APPEARS WHEN IT GETS HERE! { tmp=second->next; newNode->next=tmp; first->next=newNode; } } UPDATE: SegFault appears only when it gets on the 'else' loop of InsertSort() function. I observed that segmentation fault appears when i try to put on the list names that are after it. For example, if in the list exists: [Name:b Surname:b Amount:6 Description:b] [Name:c Surname:c Amount:5 Description:c] [Name:d Surname:d Amount:4 Description:d] [Name:e Surname:e Amount:3 Description:e] [Name:g Surname:g Amount:2 Description:g] [Name:x Surname:x Amount:1 Description:x] and i put: " x z 77 gege" there is a segmentation but if i put "x a 77 gege" it continues normally....

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C -Segmentation fault after the 4th call of the function!

- by FILIaS

It seems at least weird to me... The program runs normally.But after I call the enter() function for the 4th time,there is a segmentation fault!I would appreciate any help. With the following function enter() I wanna add user commands' datas to a list. [Some part of the code is already posted on another question of me, but I think I should post it again...as it's a different problem I'm facing now.] /* struct for all the datas that user enters on file*/ typedef struct catalog { char short_name[50]; char surname[50]; signed int amount; char description[1000]; struct catalog *next; }catalog,*catalogPointer; catalogPointer current; catalogPointer head = NULL; void enter(void) //user command: i <name> <surname> <amount> <description> { int n,j=2,k=0; char temp[1500]; char *short_name,*surname,*description; signed int amount; char* params = strchr(command,' ') + 1; //strchr returns a pointer to the 1st space on the command.U want a pointer to the char right after that space. strcpy(temp, params); //params is saved as temp. char *curToken = strtok(temp," "); //strtok cuts 'temp' into strings between the spaces and saves them to 'curToken' printf("temp is:%s \n",temp); printf("\nWhat you entered for saving:\n"); for (n = 0; curToken; ++n) //until curToken ends: { if (curToken) { short_name = malloc(strlen(curToken) + 1); strncpy(short_name, curToken, sizeof (short_name)); } printf("Short Name: %s \n",short_name); curToken = strtok(NULL," "); if (curToken) { surname = malloc(strlen(curToken) + 1); strncpy(surname, curToken,sizeof (surname)); } printf("SurName: %s \n",surname); curToken = strtok(NULL," "); if (curToken) { //int * amount= malloc(sizeof (signed int *)); char *chk; amount = (int) strtol(curToken, &chk, 10); if (!isspace(*chk) && *chk != 0) fprintf(stderr,"Warning: expected integer value for amount, received %s instead\n",curToken); } printf("Amount: %d \n",amount); curToken = strtok(NULL,"\0"); if (curToken) { description = malloc(strlen(curToken) + 1); strncpy(description, curToken, sizeof (description)); } printf("Description: %s \n",description); break; } if (findEntryExists(head, surname,short_name) != NULL) //call function in order to see if entry exists already on the catalog printf("\nAn entry for <%s %s> is already in the catalog!\nNew entry not entered.\n",short_name,surname); else { printf("\nTry to entry <%s %s %d %s> in the catalog list!\n",short_name,surname,amount,description); newEntry(&head,short_name,surname,amount,description); printf("\n**Entry done!**\n"); } // Maintain the list in alphabetical order by surname. } catalogPointer findEntryExists (catalogPointer head, char num[],char first[]) { catalogPointer p = head; while (p != NULL && strcmp(p->surname, num) != 0 && strcmp(p->short_name,first) != 0) { p = p->next; } return p; } catalogPointer newEntry (catalog** headRef,char short_name[], char surname[], signed int amount, char description[]) { catalogPointer newNode = (catalogPointer)malloc(sizeof(catalog)); catalogPointer first; catalogPointer second; catalogPointer tmp; first=head; second=NULL; strcpy(newNode->short_name, short_name); strcpy(newNode->surname, surname); newNode->amount=amount; strcpy(newNode->description, description); //SEGMENTATION ON THE 4TH RUN OF PROGRAM STOPS HERE depending on the names each time it gets! while (first!=NULL) { if (strcmp(surname,first->surname)>0) second=first; else if (strcmp(surname,first->surname)==0) { if (strcmp(short_name,first->short_name)>0) second=first; } first=first->next; } if (second==NULL) { newNode->next=head; head=newNode; } else { tmp=second->next; newNode->next=tmp; first->next=newNode; } }

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C# 4.0: Named And Optional Arguments

- by Paulo Morgado

As part of the co-evolution effort of C# and Visual Basic, C# 4.0 introduces Named and Optional Arguments. First of all, let’s clarify what are arguments and parameters: Method definition parameters are the input variables of the method. Method call arguments are the values provided to the method parameters. In fact, the C# Language Specification states the following on §7.5: The argument list (§7.5.1) of a function member invocation provides actual values or variable references for the parameters of the function member. Given the above definitions, we can state that: Parameters have always been named and still are. Parameters have never been optional and still aren’t. Named Arguments Until now, the way the C# compiler matched method call definition arguments with method parameters was by position. The first argument provides the value for the first parameter, the second argument provides the value for the second parameter, and so on and so on, regardless of the name of the parameters. If a parameter was missing a corresponding argument to provide its value, the compiler would emit a compilation error. For this call: Greeting("Mr.", "Morgado", 42); this method: public void Greeting(string title, string name, int age) will receive as parameters: title: “Mr.” name: “Morgado” age: 42 What this new feature allows is to use the names of the parameters to identify the corresponding arguments in the form: name:value Not all arguments in the argument list must be named. However, all named arguments must be at the end of the argument list. The matching between arguments (and the evaluation of its value) and parameters will be done first by name for the named arguments and than by position for the unnamed arguments. This means that, for this method definition: public static void Method(int first, int second, int third) this call declaration: int i = 0; Method(i, third: i++, second: ++i); will have this code generated by the compiler: int i = 0; int CS$0$0000 = i++; int CS$0$0001 = ++i; Method(i, CS$0$0001, CS$0$0000); which will give the method the following parameter values: first: 2 second: 2 third: 0 Notice the variable names. Although invalid being invalid C# identifiers, they are valid .NET identifiers and thus avoiding collision between user written and compiler generated code. Besides allowing to re-order of the argument list, this feature is very useful for auto-documenting the code, for example, when the argument list is very long or not clear, from the call site, what the arguments are. Optional Arguments Parameters can now have default values: public static void Method(int first, int second = 2, int third = 3) Parameters with default values must be the last in the parameter list and its value is used as the value of the parameter if the corresponding argument is missing from the method call declaration. For this call declaration: int i = 0; Method(i, third: ++i); will have this code generated by the compiler: int i = 0; int CS$0$0000 = ++i; Method(i, 2, CS$0$0000); which will give the method the following parameter values: first: 1 second: 2 third: 1 Because, when method parameters have default values, arguments can be omitted from the call declaration, this might seem like method overloading or a good replacement for it, but it isn’t. Although methods like this: public static StreamReader OpenTextFile( string path, Encoding encoding = null, bool detectEncoding = true, int bufferSize = 1024) allow to have its calls written like this: OpenTextFile("foo.txt", Encoding.UTF8); OpenTextFile("foo.txt", Encoding.UTF8, bufferSize: 4096); OpenTextFile( bufferSize: 4096, path: "foo.txt", detectEncoding: false); The complier handles default values like constant fields taking the value and useing it instead of a reference to the value. So, like with constant fields, methods with parameters with default values are exposed publicly (and remember that internal members might be publicly accessible – InternalsVisibleToAttribute). If such methods are publicly accessible and used by another assembly, those values will be hard coded in the calling code and, if the called assembly has its default values changed, they won’t be assumed by already compiled code. At the first glance, I though that using optional arguments for “bad” written code was great, but the ability to write code like that was just pure evil. But than I realized that, since I use private constant fields, it’s OK to use default parameter values on privately accessed methods.

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L2TP connection fails!

- by a.toraby

I've installed l2tp-ipsec-vpn but when I try to connect to the vpn server I get error 500. Here are the logs: Jun 17 12:54:37.449 ipsec_setup: Stopping Openswan IPsec... Jun 17 12:54:38.858 Stopping xl2tpd: xl2tpd. Jun 17 12:54:38.859 xl2tpd[1511]: death_handler: Fatal signal 15 received Jun 17 12:54:38.872 ipsec_setup: Starting Openswan IPsec U2.6.37/K3.2.0-23-generic... Jun 17 12:54:39.027 ipsec__plutorun: Starting Pluto subsystem... Jun 17 12:54:39.033 ipsec__plutorun: adjusting ipsec.d to /etc/ipsec.d Jun 17 12:54:39.037 recvref[30]: Protocol not available Jun 17 12:54:39.038 xl2tpd[2442]: This binary does not support kernel L2TP. Jun 17 12:54:39.038 xl2tpd[2444]: xl2tpd version xl2tpd-1.3.1 started on atp-ThinkPad-SL410 PID:2444 Jun 17 12:54:39.038 xl2tpd[2444]: Written by Mark Spencer, Copyright (C) 1998, Adtran, Inc. Jun 17 12:54:39.038 xl2tpd[2444]: Forked by Scott Balmos and David Stipp, (C) 2001 Jun 17 12:54:39.038 xl2tpd[2444]: Inherited by Jeff McAdams, (C) 2002 Jun 17 12:54:39.039 xl2tpd[2444]: Forked again by Xelerance (www.xelerance.com) (C) 2006 Jun 17 12:54:39.039 xl2tpd[2444]: Listening on IP address 0.0.0.0, port 1701 Jun 17 12:54:39.040 Starting xl2tpd: xl2tpd. Jun 17 12:54:39.062 ipsec__plutorun: 002 added connection description "L2TP" Jun 17 12:55:30.753 104 "L2TP" #1: STATE_MAIN_I1: initiate Jun 17 12:55:30.754 010 "L2TP" #1: STATE_MAIN_I1: retransmission; will wait 20s for response Jun 17 12:55:30.754 010 "L2TP" #1: STATE_MAIN_I1: retransmission; will wait 40s for response Jun 17 12:55:30.754 003 "L2TP" #1: ignoring Vendor ID payload [MS NT5 ISAKMPOAKLEY 00000008] Jun 17 12:55:30.754 003 "L2TP" #1: received Vendor ID payload [RFC 3947] method set to=109 Jun 17 12:55:30.754 003 "L2TP" #1: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02_n] meth=106, but already using method 109 Jun 17 12:55:30.755 003 "L2TP" #1: ignoring Vendor ID payload [FRAGMENTATION] Jun 17 12:55:30.755 003 "L2TP" #1: ignoring Vendor ID payload [MS-Negotiation Discovery Capable] Jun 17 12:55:30.755 003 "L2TP" #1: ignoring Vendor ID payload [IKE CGA version 1] Jun 17 12:55:30.755 106 "L2TP" #1: STATE_MAIN_I2: sent MI2, expecting MR2 Jun 17 12:55:30.755 010 "L2TP" #1: STATE_MAIN_I2: retransmission; will wait 20s for response Jun 17 12:55:30.755 003 "L2TP" #1: NAT-Traversal: Result using RFC 3947 (NAT-Traversal): i am NATed Jun 17 12:55:30.755 108 "L2TP" #1: STATE_MAIN_I3: sent MI3, expecting MR3 Jun 17 12:55:30.756 004 "L2TP" #1: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_PRESHARED_KEY cipher=oakley_3des_cbc_192 prf=oakley_sha group=modp1024} Jun 17 12:55:30.756 117 "L2TP" #2: STATE_QUICK_I1: initiate Jun 17 12:55:30.756 010 "L2TP" #2: STATE_QUICK_I1: retransmission; will wait 20s for response Jun 17 12:55:30.756 003 "L2TP" #2: ignoring informational payload, type IPSEC_RESPONDER_LIFETIME msgid=6b03ff69 Jun 17 12:55:30.756 003 "L2TP" #2: NAT-Traversal: received 2 NAT-OA. ignored because peer is not NATed Jun 17 12:55:30.756 003 "L2TP" #2: our client subnet returned doesn't match my proposal - us:192.168.1.3/32 vs them:109.162.174.235/32 Jun 17 12:55:30.757 003 "L2TP" #2: Allowing questionable proposal anyway [ALLOW_MICROSOFT_BAD_PROPOSAL] Jun 17 12:55:30.757 004 "L2TP" #2: STATE_QUICK_I2: sent QI2, IPsec SA established transport mode {ESP=>0x23af21f8 <0xdb4a87b6 xfrm=AES_128-HMAC_SHA1 NATOA=none NATD=none DPD=none} Jun 17 12:55:31.759 xl2tpd[2444]: Connecting to host x.x.x.x, port 1701 Jun 17 12:55:32.021 xl2tpd[2444]: Connection established to x.x.x.x, 1701. Local: 4720, Remote: 200 (ref=0/0). Jun 17 12:55:32.023 xl2tpd[2444]: Calling on tunnel 4720 Jun 17 12:55:32.454 xl2tpd[2444]: Call established with x.x.x.x, Local: 9667, Remote: 3, Serial: 1 (ref=0/0) Jun 17 12:55:32.456 xl2tpd[2444]: start_pppd: I'm running: Jun 17 12:55:32.456 xl2tpd[2444]: "/usr/sbin/pppd" Jun 17 12:55:32.457 xl2tpd[2444]: "passive" Jun 17 12:55:32.458 xl2tpd[2444]: "nodetach" Jun 17 12:55:32.458 xl2tpd[2444]: ":" Jun 17 12:55:32.459 xl2tpd[2444]: "file" Jun 17 12:55:32.459 xl2tpd[2444]: "/etc/ppp/L2TP.options.xl2tpd" Jun 17 12:55:32.460 xl2tpd[2444]: "ipparam" Jun 17 12:55:32.461 xl2tpd[2444]: "x.x.x.x" Jun 17 12:55:32.462 xl2tpd[2444]: "/dev/pts/1" Jun 17 12:55:32.583 pppd[2711]: Plugin passprompt.so loaded. Jun 17 12:55:32.583 pppd[2711]: pppd 2.4.5 started by root, uid 0 Jun 17 12:55:32.619 pppd[2711]: Using interface ppp0 Jun 17 12:55:32.620 pppd[2711]: Connect: ppp0 <--> /dev/pts/1 Jun 17 12:55:33.693 pppd[2711]: /usr/bin/L2tpIPsecVpn exited with code 0 Jun 17 12:55:34.454 [ERROR 404] Authentication failed: closing connection to 'L2TP' Jun 17 12:55:34.456 pppd[2711]: MS-CHAP authentication failed: E=691 Authentication failure Jun 17 12:55:34.457 pppd[2711]: CHAP authentication failed Jun 17 12:55:34.461 Stopping xl2tpd: xl2tpd. Jun 17 12:55:34.462 xl2tpd[2444]: death_handler: Fatal signal 15 received Jun 17 12:55:34.463 pppd[2711]: Modem hangup Jun 17 12:55:34.463 pppd[2711]: Connection terminated. Jun 17 12:55:34.474 ipsec_setup: Stopping Openswan IPsec... Jun 17 12:55:34.482 pppd[2711]: Exit. Jun 17 12:55:35.587 ipsec_setup: ERROR: Module xfrm4_mode_transport is in use Jun 17 12:55:35.665 ipsec_setup: ERROR: Module esp4 is in use I had this problem by ubuntu 11.10 though I can easily connect to the server from windows. I use ubuntu 12.0 64bit

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My History with Agile

- by Robert May

I’m going to write my history with Agile here. That way, in future posts, I can refer back to it, instead of typing it out in the post that contains information you may actually want to read. Note that I’m actually a pretty senior developer, and do lots of technical interviews. I’m an Agile fan because of the difference it makes in peoples lives and the improvement in quality it brings, and I’ll sacrifice my technological advance to help teams. Management History I started management pretty early in my career, starting with the first job that I ever had. I actually do NOT have a CS or similar degree. I have a Bachelor’s of Business Administration with an emphasis in Computer Information Systems. My first management gigs were around call center work and were very schedule oriented. I didn’t understand the true value of teams, and I’m ashamed to admit, I actually installed a fingerprint scanner as a time clock in this job. I shudder to think of the impact that I had on the team spirit. I didn’t even trust them enough to fill out their time cards correctly. How sad. I was managing nearly 100 people in this position, with the help of a great set of subordinates. I did try to come up with reward programs for the team, but again, didn’t understand the concept of team, so instead of letting the team determine how the rewards should work, I mandated from on high, which isn’t a good thing. I was told that I wasn’t the type that would be a good manager by people whom I respected a lot. They said it because I was a computer geek, since they don’t understand good management either, but in retrospect, they were right about me then. I was too green. After my first job, I went on to other jobs and with the exception of one job, I’ve managed people at them all. The rest of the management story is important for understanding agile, so I’ll save it for my next post. Technical History I’ve been in software development for many, many years. I technically started programming on a commodore 64 in basic. I didn’t know that I was programming, but I was sure having fun. That was followed by batch files, Gorilla hacking (I always had to win), WordPerfect Macro programming and other things that taught me the basics. My first “real” job was with a telephone company, and that’s where I made my first database application in DataEase, wrote my first VBA app and started using real programming tools, like turbo pascal, vb3-vb5, and semi-real tools like RPG and VisualRPG. I wrote my first web page in 1994, and built my first data driven web page in 1995 using perlDB. You really can do anything with Perl. At this time, I also started a Linux based internet service provider that is still in operation today. One of the people I worked with is now a Microsoft employee building and designing frameworks you probably know well. Smart guy. I also built my first ASP applications connecting to Sql Server 6.5, setup Exchange 5.5 for the company, and many other system administration stuff. I’m a programmer by choice, mostly because I don’t really like PC support. From there, I went on to a large state agency. I got to see and maintain true waterfall projects. 5 years of maintaining the 200 VB COM+ (MTS, actually) dlls that were used to calculate a single number is a long time. That was all Microsoft DNS technologies. SQL Server and VB6 were the tools of choice, although .net started to be a factor near the end of employment. I did some heavy XML work at this job and even wrote an XSD parser and validator in VB6 that was a shim until MSXML 3.0 came out. Prior to 3.0, XSD’s weren’t supported, and I didn’t want to write DTDs. Ironically, jobs after this were more generic. I pretty much settled in on the .net framework and revisions of it. Lots of WPF, some silverlight, lots of ASP.NET, some SQL Azure, lots of SQL Server, some Oracle, but I don’t think that I was as passionate about development and technologies. I was more into the management of development. I like people. Technorati Tags: Agile,history

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MySQL Connector/Net 6.4.6 Maintenance Release has been released

- by fernando

MySQL Connector/Net 6.4.6, a new version of the all-managed .NET driver for MySQL has been released. This is a maintenance release and is recommended for use in production environments. It is appropriate for use with MySQL server versions 5.0-5.6. This is intended to be the final release for Connector/NET 6.4. It is now available in source and binary form from http://dev.mysql.com/downloads/connector/net/#downloads and mirror sites (note that not all mirror sites may be up to date at this point-if you can't find this version on some mirror, please try again later or choose another download site.) The 6.4.6 version of MySQL Connector/Net brings the following fixes: - Fix for List.Contains generates a bunch of ORs instead of more efficient IN clause in LINQ to Entities (Oracle bug #14016344, MySql bug #64934). - Fix for error when trying to change the name of an Index on the Indexes/Keys editor; along with this fix now users can change the Index type of a new Index which could not be done in previous versions, and when changing the Index name the change is reflected on the list view at the left side of the Index/Keys editor (Oracle bug #13613801). - Fix for stored procedure call using only its name with EF code first (MySql bug #64999, Oracle bug #14008699). - Fix for performance issue in generated EF query: .NET StartsWith/Contains/EndsWith produces MySql's locate instead of Like (MySql bug #64935, Oracle bug #14009363). - Fix for script generated for code first contains wrong alter table and wrong declaration for byte[] (MySql bug #64216, Oracle bug #13900091). - Fix for Exception thrown when using cascade delete in an EDM Model-First in Entity Framework (Oracle bug #14008752, MySql bug #64779). - Fix for Session locking issue with MySqlSessionStateStore (MySql bug #63997, Oracble bug #13733054). - Fixed deleting a user profile using Profile provider (MySQL bug #64409, Oracle bug #13790123). - Fix for bug Cannot Create an Entity with a Key of Type String (MySQL bug #65289, Oracle bug #14540202). This fix checks if the type has a FixedLength facet set in order to create a char otherwise should create varchar, mediumtext or longtext types when using a String CLR type in Code First or Model First also tested in Database First. Unit tests added for Code First and ProviderManifest. - Fix for bug "CacheServerProperties can cause 'Packet too large' error" (MySQL Bug #66578 Orabug #14593547). - Fix for handling unnamed parameter in MySQLCommand. This fix allows the mysqlcommand to handle parameters without requiring naming (e.g. INSERT INTO Test (id,name) VALUES (?, ?) ) (MySQL Bug #66060, Oracle bug #14499549). - Fixed inheritance on Entity Framework Code First scenarios. Discriminator column is created using its correct type as varchar(128) (MySql bug #63920 and Oracle bug #13582335). - Fixed "Trying to customize column precision in Code First does not work" (MySql bug #65001, Oracle bug #14469048). - Fixed bug ASP.NET Membership database fails on MySql database UTF32 (MySQL bug #65144, Oracle bug #14495292). - Fix for MySqlCommand.LastInsertedId holding only 32 bit values (MySql bug #65452, Oracle bug #14171960) by changing several internal declaration of lastinsertid from int to long. - Fixed "Decimal type should have digits at right of decimal point", now default is 2, but user's changes in EDM designer are recognized (MySql bug #65127, Oracle bug #14474342). - Fix for NullReferenceException when saving an uninitialized row in Entity Framework (MySql bug #66066, Oracle bug #14479715). - Fix for error when calling RoleProvider.RemoveUserFromRole(): causes an exception due to a wrong table being used (MySql bug #65805, Oracle bug #14405338). - Fix for "Memory Leak on MySql.Data.MySqlClient.MySqlCommand", too many MemoryStream's instances created (MySql bug #65696, Oracle bug #14468204). - Small improvement on MySqlPoolManager CleanIdleConnections for better mysqlpoolmanager idlecleanuptimer at startup (MySql bug #66472 and Oracle bug #14652624). - Fix for bug TIMESTAMP values are mistakenly represented as DateTime with Kind = Local (Mysql bug #66964, Oracle bug #14740705). - Fix for bug Keyword not supported. Parameter name: AttachDbFilename (Mysql bug #66880, Oracle bug #14733472). - Added support to MySql script file to retrieve data when using "SHOW" statements. - Fix for Package Load Failure in Visual Studio 2005 (MySql bug #63073, Oracle bug #13491674). - Fix for bug "Unable to connect using IPv6 connections" (MySQL bug #67253, Oracle bug #14835718). - Added auto-generated values for Guid identity columns (MySql bug #67450, Oracle bug #15834176). - Fix for method FirstOrDefault not supported in some LINQ to Entities queries (MySql bug #67377, Oracle bug #15856964). The release is available to download at http://dev.mysql.com/downloads/connector/net/6.4.html Documentation ------------------------------------- You can view current Connector/Net documentation at http://dev.mysql.com/doc/refman/5.5/en/connector-net.html You can find our team blog at http://blogs.oracle.com/MySQLOnWindows. You can also post questions on our forums at http://forums.mysql.com/. Enjoy and thanks for the support!

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yield – Just yet another sexy c# keyword?

- by George Mamaladze

yield (see NSDN c# reference) operator came I guess with .NET 2.0 and I my feeling is that it’s not as wide used as it could (or should) be. I am not going to talk here about necessarity and advantages of using iterator pattern when accessing custom sequences (just google it). Let’s look at it from the clean code point of view. Let's see if it really helps us to keep our code understandable, reusable and testable. Let’s say we want to iterate a tree and do something with it’s nodes, for instance calculate a sum of their values. So the most elegant way would be to build a recursive method performing a classic depth traversal returning the sum. private int CalculateTreeSum(Node top) { int sumOfChildNodes = 0; foreach (Node childNode in top.ChildNodes) { sumOfChildNodes += CalculateTreeSum(childNode); } return top.Value + sumOfChildNodes; } “Do One Thing” Nevertheless it violates one of the most important rules “Do One Thing”. Our method CalculateTreeSum does two things at the same time. It travels inside the tree and performs some computation – in this case calculates sum. Doing two things in one method is definitely a bad thing because of several reasons: · Understandability: Readability / refactoring · Reuseability: when overriding - no chance to override computation without copying iteration code and vice versa. · Testability: you are not able to test computation without constructing the tree and you are not able to test correctness of tree iteration. I want to spend some more words on this last issue. How do you test the method CalculateTreeSum when it contains two in one: computation & iteration? The only chance is to construct a test tree and assert the result of the method call, in our case the sum against our expectation. And if the test fails you do not know wether was the computation algorithm wrong or was that the iteration? At the end to top it all off I tell you: according to Murphy’s Law the iteration will have a bug as well as the calculation. Both bugs in a combination will cause the sum to be accidentally exactly the same you expect and the test will PASS. J Ok let’s use yield! That’s why it is generally a very good idea not to mix but isolate “things”. Ok let’s use yield! private int CalculateTreeSumClean(Node top) { IEnumerable<Node> treeNodes = GetTreeNodes(top); return CalculateSum(treeNodes); } private int CalculateSum(IEnumerable<Node> nodes) { int sumOfNodes = 0; foreach (Node node in nodes) { sumOfNodes += node.Value; } return sumOfNodes; } private IEnumerable<Node> GetTreeNodes(Node top) { yield return top; foreach (Node childNode in top.ChildNodes) { foreach (Node currentNode in GetTreeNodes(childNode)) { yield return currentNode; } } } Two methods does not know anything about each other. One contains calculation logic another jut the iteration logic. You can relpace the tree iteration algorithm from depth traversal to breath trevaersal or use stack or visitor pattern instead of recursion. This will not influence your calculation logic. And vice versa you can relace the sum with product or do whatever you want with node values, the calculateion algorithm is not aware of beeng working on some tree or graph. How about not using yield? Now let’s ask the question – what if we do not have yield operator? The brief look at the generated code gives us an answer. The compiler generates a 150 lines long class to implement the iteration logic. [CompilerGenerated] private sealed class <GetTreeNodes>d__0 : IEnumerable<Node>, IEnumerable, IEnumerator<Node>, IEnumerator, IDisposable { ... 150 Lines of generated code ... } Often we compromise code readability, cleanness, testability, etc. – to reduce number of classes, code lines, keystrokes and mouse clicks. This is the human nature - we are lazy. Knowing and using such a sexy construct like yield, allows us to be lazy, write very few lines of code and at the same time stay clean and do one thing in a method. That's why I generally welcome using staff like that. Note: The above used recursive depth traversal algorithm is possibly the compact one but not the best one from the performance and memory utilization point of view. It was taken to emphasize on other primary aspects of this post.

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TeamCity and pending Git merge branch commit keeps build with failed tests

- by Vladimir

We use TeamCity for continuous integration and Git for source control. Generally it works pretty well - convenient, modern and good us quick feedback when tests fails. There is a strange behavior related to Git merge specifics. Here are steps of the case: First developer pulls from master repo. Second developer pulls from master repo. First developer makes commit A locally. Second developer makes commit B locally; Second developer pushes commit B. First developer want to push commit A but unable because he have to pull commit B first. First developer pull's from remote reposity. First developer pushes commit A and generated merge branch commit. The history of commits in master repo is following: B second developer A first developer merge branch first developer. Now let's assume that Second Developer fixed some failing tests in his commit B. What TeamCity will do is following: Commit B arrives - TeamCity makes build #1 with all tests passed Commit A arrives - TeamCity makes build #2 (without commit B) test bar becomes Red! TeamCity thought that Pending "Merge Branch" commit doesn't contain any changes (any new files) - but it actually does contain the merge of commit B, so the TeamCity don't want to make new build here and make tests green. Here are two problems: 1. In our case we have failed tests returning back in second commit (commit A) 2. TeamCity don't want to make a new build and make tests back green. Does anybody know how to fix both of this problems. I consider some reasonable general approach.

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How to use void*

- by Rondogiannis Aristophanes

I am imlementing a simple merge function and I have got stuck, as the compiler gives me errors that I cannot explain. Here is my merge function: void merge(void *a, int beg, int middle, int end, int (*cmp)(const void*, const void* { std::stack<void*> first; std::stack<void*> second; for(int i = beg; i < middle; i++) { first.push(a+i); } for(int i = middle; i < end; i++) { second.push(a+i); } for(int i = beg; i < end; i++) { if(first.empty()) { void *tmp = second.top(); second.pop(); a+i = tmp; } else if(second.empty()) { void *tmp = first.top(); first.pop(); a+i = tmp; } else if(cmp(first.top(), second.top())) { void *tmp = first.top(); first.pop(); a+i = tmp; } else { void *tmp = second.top(); second.pop(); a+i = tmp; } } } And here is the error: sort.h: In function `void merge(void*, int, int, int, int (*)(const void*, const void*))': sort.h:9: error: pointer of type `void *' used in arithmetic sort.h:12: error: pointer of type `void *' used in arithmetic sort.h:19: error: pointer of type `void *' used in arithmetic sort.h:19: error: non-lvalue in assignment sort.h:23: error: pointer of type `void *' used in arithmetic sort.h:23: error: non-lvalue in assignment sort.h:27: error: pointer of type `void *' used in arithmetic sort.h:27: error: non-lvalue in assignment sort.h:31: error: pointer of type `void *' used in arithmetic sort.h:31: error: non-lvalue in assignment Can anyone help me? TIA.

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How to stop the horizontal scrolling programmatically ?

- by srikanth rongali

I have a UITextView *textView in cocos2d's CCLayer. The text is scrolling in both the horizontal and vertical directions. But, I need it to scroll and bounce only in vertically. How to stop the horizontal scrolling programmatically ? UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(100,200, windowSize.height/2,windowSize.width/2)]; textView.backgroundColor = [UIColor clearColor]; textView.text = @"I am First enemy I am First enemy I am First enemy I am First enemy I am First enemy I am First enemy I am First enemy I am First enemy"; [textView setEditable:NO]; textView.font = [UIFont fontWithName:@"Helvetica" size:24.0f]; CGPoint location = CGPointMake(200, 160); textView.showsHorizontalScrollIndicator = NO; //textView.bounces = NO; //textView.alwaysBounceVertical = YES; textView.center = location; textView.transform = CGAffineTransformMakeRotation(CC_DEGREES_TO_RADIANS( 90.0f )); What should I do stop scrolling horizontally ? Thank You.

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Can C++ do something like an ML case expression?

- by Nathan Andrew Mullenax

So, I've run into this sort of thing a few times in C++ where I'd really like to write something like case (a,b,c,d) of (true, true, _, _ ) => expr | (false, true, _, false) => expr | ... But in C++, I invariably end up with something like this: bool c11 = color1.count(e.first)>0; bool c21 = color2.count(e.first)>0; bool c12 = color1.count(e.second)>0; bool c22 = color2.count(e.second)>0; // no vertex in this edge is colored // requeue if( !(c11||c21||c12||c22) ) { edges.push(e); } // endpoints already same color // failure condition else if( (c11&&c12)||(c21&&c22) ) { results.push_back("NOT BICOLORABLE."); return true; } // nothing to do: nodes are already // colored and different from one another else if( (c11&&c22)||(c21&&c12) ) { } // first is c1, second is not set else if( c11 && !(c12||c22) ) { color2.insert( e.second ); } // first is c2, second is not set else if( c21 && !(c12||c22) ) { color1.insert( e.second ); } // first is not set, second is c1 else if( !(c11||c21) && c12 ) { color2.insert( e.first ); } // first is not set, second is c2 else if( !(c11||c21) && c22 ) { color1.insert( e.first ); } else { std::cout << "Something went wrong.\n"; } I'm wondering if there's any way to clean all of those if's and else's up, as it seems especially error prone. It would be even better if it were possible to get the compiler complain like SML does when a case expression (or statement in C++) isn't exhaustive. I realize this question is a bit vague. Maybe, in sum, how would one represent an exhaustive truth table with an arbitrary number of variables in C++ succinctly? Thanks in advance.

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.next is undefined, jquery plugin problem

- by ndelangen

I'm trying to create my own plugin. But I'm having trouble getting things right. It appears when I'm trying to traverse inside .each things go wrong. I'm trying to go to the next item every 6 seconds by fading. jQuery(function($){ $.fn.rotator = function(options){ this.each(function() { var container = $(this); var images = container.children(); //Set the opacity of all images to 0 images.css({opacity: 0.0}); //Get the first image and display it (gets set to full opacity) $('div:first',this).css({opacity: 1.0}).addClass('show'); //Call the rotator function to run the slideshow, 6000 = change to next image after 6 seconds var obj = $(this); setInterval(nextimage(obj),6000); }); }; // rotate function function nextimage(obj) { var container = $(obj); var images = container.children(); //Get the current image var current = (images.hasClass('show')? images.hasClass('show') : images.first()); //Get next image, when it reaches the end, rotate it back to the first image var next = ((current.next().length) ? ((current.next().hasClass('show')) ? images.first() :current.next()) : images.first()); //Set the fade in effect for the next image, the show class has higher z-index next.css({opacity: 0.0}) .addClass('show') .animate({opacity: 1.0}, 1000); //Hide the current image current.animate({opacity: 0.0}, 1000) .removeClass('show'); }; }); $(document).ready(function(){ $("#bg").rotator({ }) }); The error I get is: current.next is not a function Line 35 Line 35 = var next = ((current.next().length) ? ((current.next().hasClass('show')) ? images.first() :current.next()) : images.first()); Can someone tell me what I'm doing wrong?

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return ArrayList from spring controller for ajax call and render in second dropdown

- by user1708125

I've a spring bean with 3 Maps all of which are to be populated incrementally. First map is an item category list, second map is a product list and third map is a hobby for item type list All the maps are mapped to and on the JSP. When the page is loaded only the first map is populated on the onchange event of first map, I need to populate the second map in the bean and similarly on the onchange event of second map, I need to populate the third map in the bean. Is there a way to do this using Ajax?? I need some code samples to how to render JSON response in second and third dropdown. Clarification: @Donal: I have a simple JSP page with 3 dropdowns corresponding to 3 maps stored in my commandBean. So when the page loads for the first time only the first map and hence the first dropdown is populated. Now whenever the user selects anything out of the first dropdown, I need to send the same commandbean back with the values of the first dropdown and get the values for the second map and hence the second dropdown and so forth for the 3rd dropdown as well. For each dropdown I 've got 3 maps and 3 variables for storing the selected values. Now I want to understand if this is possible using Ajax. I hope this clarifies whatever you need to know. Thanx

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Pointing class property to another class with vectors

- by jmclem

I've got a simple class, and another class that has a property that points to the first class: #include <iostream> #include <vector> using namespace std; class first{ public: int var1; }; class second{ public: first* classvar; }; Then, i've got a void that's supposed to point "classvar" to the intended iteration of the class "first". void fill(vector<second>& sec, vector<first>& fir){ sec[0].classvar = &fir[0]; } Finally the main(). Create and fill a vector of class "first", create "second" vector, and run the fill function. int main(){ vector<first> a(1); a[0].var1 = 1000; vector<second> b(1); fill(b, a); cout << b[0].classvar.var1 << '\n'; system("PAUSE"); return 0; } This gives me the following error: 1>c:\...\main.cpp(29) : error C2228: left of '.var1' must have class/struct/union 1> type is 'first *' And I can't figure out why it reads the "classvar" as the whole vector instead of just the single instance. Should I do this cout << b[0].classvar[0].var1 << '\n'; it reads perfectly. Can anyone figure out the problem? Thanks in advance

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Question on passing a pointer to a structure in C to a function?

- by worlds-apart89

Below, I wrote a primitive singly linked list in C. Function "addEditNode" MUST receive a pointer by value, which, I am guessing, means we can edit the data of the pointer but can not point it to something else. If I allocate memory using malloc in "addEditNode", when the function returns, can I see the contents of first-next ? Second question is do I have to free first-next or is it only first that I should free? I am running into segmentation faults on Linux. #include <stdio.h> #include <stdlib.h> typedef struct list_node list_node_t; struct list_node { int value; list_node_t *next; }; void addEditNode(list_node_t *node) { node->value = 10; node->next = (list_node_t*) malloc(sizeof(list_node_t)); node->next->value = 1; node->next->next = NULL; } int main() { list_node_t *first = (list_node_t*) malloc(sizeof(list_node_t)); first->value = 1; first->next = NULL; addEditNode(first); free(first); return 0; }

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Simple C++ code (what's wrong here?)

- by JW

Noob to C++. I'm trying to get user input (Last Name, First Name Middle Name), change part of it (Middle Name to Middle Initial) and then rearrange it (First Middle Initial Last). Where am I messing up in my code? --Thanks for ANY help you can offer! ... #include <iostream> using std::cout; using std::cin; #include <string> using std::string; int main() { string myString, last, first, middle; cout << "Enter your name: Last, First Middle"; cin >> last >> first >> middle; char comma, space1, space2; comma = myString.find_first_of(','); space1 = myString.find_first_of(' '); space2 = myString.find_last_of(' '); last = myString.substr (0, comma); // user input last name first = myString.substr (space1+1, -1); // user input first name middle = myString.substr (space2+1, -1); // user input middle name middle.insert (0, space2+1); // inserts middle initial in front of middle name middle.erase (1, -1); // deletes full middle name, leaving only middle initial myString = first + ' ' + middle + ' ' + last; // return 0; }

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setting up git on cygwin - openssl

- by user23020

I'm trying to get git running in cygwin on a windows 7 machine I have git unpacked and the directory git-1.7.1.1 when i run make install from within that directory, I get CC fast-import.o In file included from builtin.h:4, from fast-import.c:147: git-compat-util.h:136:19: iconv.h: No such file or directory git-compat-util.h:140:25: openssl/ssl.h: No such file or directory git-compat-util.h:141:25: openssl/err.h: No such file or directory In file included from builtin.h:6, from fast-import.c:147: cache.h:9:21: openssl/sha.h: No such file or directory In file included from fast-import.c:156: csum-file.h:10: error: parse error before "SHA_CTX" csum-file.h:10: warning: no semicolon at end of struct or union csum-file.h:15: error: 'crc32' redeclared as different kind of symbol /usr/include/zlib.h:1285: error: previous declaration of 'crc32' was here csum-file.h:15: error: 'crc32' redeclared as different kind of symbol /usr/include/zlib.h:1285: error: previous declaration of 'crc32' was here csum-file.h:17: error: parse error before '}' token fast-import.c: In function `store_object': fast-import.c:995: error: `SHA_CTX' undeclared (first use in this function) fast-import.c:995: error: (Each undeclared identifier is reported only once fast-import.c:995: error: for each function it appears in.) fast-import.c:995: error: parse error before "c" fast-import.c:1000: warning: implicit declaration of function `SHA1_Init' fast-import.c:1000: error: `c' undeclared (first use in this function) fast-import.c:1001: warning: implicit declaration of function `SHA1_Update' fast-import.c:1003: warning: implicit declaration of function `SHA1_Final' fast-import.c: At top level: fast-import.c:1118: error: parse error before "SHA_CTX" fast-import.c: In function `truncate_pack': fast-import.c:1120: error: `to' undeclared (first use in this function) fast-import.c:1126: error: dereferencing pointer to incomplete type fast-import.c:1127: error: dereferencing pointer to incomplete type fast-import.c:1128: error: dereferencing pointer to incomplete type fast-import.c:1128: error: `ctx' undeclared (first use in this function) fast-import.c: In function `stream_blob': fast-import.c:1140: error: `SHA_CTX' undeclared (first use in this function) fast-import.c:1140: error: parse error before "c" fast-import.c:1154: error: `pack_file_ctx' undeclared (first use in this functio n) fast-import.c:1154: error: dereferencing pointer to incomplete type fast-import.c:1160: error: `c' undeclared (first use in this function) make: *** [fast-import.o] Error 1 I'm guessing that most of these errors are due to the iconv.h and openssl files which apparently are missing, but I can't figure out how I'm supposed to install those (if I am), or if there is some other way to get around this.

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setting up git on cygwin - openssl

- by Pete Field

I'm trying to get git running in cygwin on a windows 7 machine I have git unpacked and the directory git-1.7.1.1 when i run make install from within that directory, I get CC fast-import.o In file included from builtin.h:4, from fast-import.c:147: git-compat-util.h:136:19: iconv.h: No such file or directory git-compat-util.h:140:25: openssl/ssl.h: No such file or directory git-compat-util.h:141:25: openssl/err.h: No such file or directory In file included from builtin.h:6, from fast-import.c:147: cache.h:9:21: openssl/sha.h: No such file or directory In file included from fast-import.c:156: csum-file.h:10: error: parse error before "SHA_CTX" csum-file.h:10: warning: no semicolon at end of struct or union csum-file.h:15: error: 'crc32' redeclared as different kind of symbol /usr/include/zlib.h:1285: error: previous declaration of 'crc32' was here csum-file.h:15: error: 'crc32' redeclared as different kind of symbol /usr/include/zlib.h:1285: error: previous declaration of 'crc32' was here csum-file.h:17: error: parse error before '}' token fast-import.c: In function `store_object': fast-import.c:995: error: `SHA_CTX' undeclared (first use in this function) fast-import.c:995: error: (Each undeclared identifier is reported only once fast-import.c:995: error: for each function it appears in.) fast-import.c:995: error: parse error before "c" fast-import.c:1000: warning: implicit declaration of function `SHA1_Init' fast-import.c:1000: error: `c' undeclared (first use in this function) fast-import.c:1001: warning: implicit declaration of function `SHA1_Update' fast-import.c:1003: warning: implicit declaration of function `SHA1_Final' fast-import.c: At top level: fast-import.c:1118: error: parse error before "SHA_CTX" fast-import.c: In function `truncate_pack': fast-import.c:1120: error: `to' undeclared (first use in this function) fast-import.c:1126: error: dereferencing pointer to incomplete type fast-import.c:1127: error: dereferencing pointer to incomplete type fast-import.c:1128: error: dereferencing pointer to incomplete type fast-import.c:1128: error: `ctx' undeclared (first use in this function) fast-import.c: In function `stream_blob': fast-import.c:1140: error: `SHA_CTX' undeclared (first use in this function) fast-import.c:1140: error: parse error before "c" fast-import.c:1154: error: `pack_file_ctx' undeclared (first use in this functio n) fast-import.c:1154: error: dereferencing pointer to incomplete type fast-import.c:1160: error: `c' undeclared (first use in this function) make: *** [fast-import.o] Error 1 I'm guessing that most of these errors are due to the iconv.h and openssl files which apparently are missing, but I can't figure out how I'm supposed to install those (if I am), or if there is some other way to get around this.

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named responding recursive on norecurse queries

- by Keks

I have a server on which named is running. It is intercepted with another named server which it is not aware of. Querying the first named server results in timeouts. The server tries to resolve the query recursively. During that the firewall redirects the DNS Request from the first named server to the second one (the query from the first one is addressed to a e.g. a root server and has its "Recursion desired" bit set to 0). Despite that the second named responds to this request with a entirely or at least 1 level more resolved response than the first named server expects. So it ends up with a timeout even though it got a correct name server or even the full IP for the queried domain. In the first case the first name server tries to follow the authority domain ignoring the coresponding glue record and ends up in a loop it aborts: queried: google.com -> got from named#2: ns1.google.com -> ignore glue record and query: ns1.google.com -> got authority from named#2: google.com In the second case it ignores the answer section with the correct IP and instead tries to follow the name servers from the authority section, which ends up in the same dead end as case 1. So how can it be that the second named responds with recursive results even though the bit was explicitly set to 0 in the request from the first named?

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SQLAuthority News – Pluralsight Course Review – Practices for Software Startups – Part 1 of 2

- by pinaldave

This is first part of the two part series of Practices for Software Startup Pluralsight Course. The course is written by Stephen Forte (Blog | Twitter). Stephen Forte is the Chief Strategy Officer of the venture backed company, Telerik, a leading vendor of developer and team productivity tools. Stephen is also a Certified Scrum Master, Certified Scrum Professional, PMP, and also speaks regularly at industry conferences around the world. He has written several books on application and database development. Stephen is also a board member of the Scrum Alliance. Startups – Everybodies Dream Start-up companies are an important topic right now – everyone wants to start their own business. It is also important to remember that all companies were a start up at one point – from your corner store to the giants like Microsoft and Apple. Research proves that not every start-up succeeds, in fact, most will fail before their first year. There are many reasons for this, and this could be due to the fact that there are many stages to a start-up company, and stumbling at any of these stages can lead to failure. It is important to understand what makes a start-up company succeed at all its hurdles to become successful. It is even important to define success. For most start-ups this would mean becoming their own independently functioning company or to be bought out for a hefty profit by a larger company. The idea of making a hefty profit by living your dream is extremely important, and you can even think of start-ups as the new craze. That’s why studying them is so important – they are very popular, but things have changed a lot since their inception. Starting the Startups Beginning a start-up company used to be difficult, but now facilities and information is widely available, and it is much easier. But that means it is much easier to fail, also. Previously to start your own company, everything was planned and organized, resources were ensured and backed up before beginning; even the idea of starting your own business was a big thing. Now anybody can do it, and the steps are simple and outlines everywhere – you can get online software and easily outsource , cloud source, or crowdsource a lot of your material. But without the type of planning previously required, things can often go badly. New Products – New Ideas – New World There are so many fantastic new products, but they don’t reach success all the time. I find start-up companies very interesting, and whenever I meet someone who is interested in the subject or already starting their own company, I always ask what they are doing, their plans, goals, market, etc. I am sorry to say that in most cases, they cannot answer my questions. It is true that many fantastic ideas fail because of bad decisions. These bad decisions were not made intentionally, but people were simply unaware of what they should be doing. This will always lead to failure. But I am happy to say that all these issues can be gone because Pluralsight is now offering a course all about start-ups by Stephen Forte. Stephen is a start up leader. He has successfully started many companies and most are still going strong, or have gone on to even bigger and better things. Beginning Course on Startup I have always thought start-ups are a fascinating subject, and decided to take his course, but it is three hours long. This would be hard to fit into my busy work day all at once, so I decided to do half of his course before my daughter wakes up, and the other half after she goes to sleep. The course is divided into six modules, so this would be easy to do. I began the first chapter early in the morning, at 5 am. Stephen jumped right into the middle of the subject in the very first module – designing your business plan. The first question you will have to answer to yourself, to others, and to investors is: What is your product and when will we be able to see it? So a very important concept is a “minimal viable product.” This means setting goals for yourself and your product. We all have large dreams, but your minimal viable product doesn’t have to be your final vision at the very first. For example: Apple is a giant company, but it is still evolving. Steve Jobs didn’t envision the iPhone 6 at the very beginning. He had to start at the first iPhone and do his market research, and the idea evolved into the technology you see now. So for yourself, you should decide a beginning and stop point. Do your market research. Determine who you want to reach, what audience you want for your product. You can have a great idea that simply will not work in the market, do need, bottlenecks, lack of resources, or competition. There is a lot of research that needs to be done before you even write a business plan, and Stephen covers it in the very first chapter. The Team – Unique Key to Success After jumping right into the subject in the very first module, I wondered what Stephen could have in store for me for the rest of the course. Chapter number two is building a team. Having a team is important regardless of what your startup is. You can be a true visionary with endless ideas and energy, but one person can still not do everything. It is important to decide from the very beginning if you will have cofounders, team leaders, and how many employees you’ll need. Even more important, you’ll need to decide what kind of team you want – what personalities, skills, and type of energy you want each of your employees to bring. Do you want to have an A+ team with a B- idea, or do you have a B- idea that needs an A+ team to sell it? Stephen asks all the hard questions! I was especially impressed by his insight on developing. You have to decide if you need developers, how many, and what their skills should be. I found this insight extremely useful for everyday usage, not just for start-up companies. I would apply this kind of information in management at any position. An amazing team will build an amazing product – and that doesn’t matter if you’re a start-up company or a small team working for a much larger business. Customer Development – The Ultimate Obective Chapter three was about customer development. According to Stephen, there are four different steps to develop a customer base. The first question to ask yourself is if you are envisioning a large customer base buying a few products each, or a small, dedicated base that buys a lot of your product – quantity vs. Quality. He also discusses how to earn, retain, and get more customers. He also says that each customer should be placed in a different role – some will be like investors, who regularly spend with you and invest their money in your business. It is then your job to take that investment and turn it into a better product in the future. You need to deal with their money properly – think of it is as theirs as investors, not yours as profit. At the end of this module I felt that only Stephen could provide this kind of insight, and then he listed all the resources he took his information from. I have never seen a group of people so passionate about their customers. It was indeed a long day for me. In tomorrow’s part 2 we will discuss rest of the three module and also will see a quick video of the Practices for Software Startup Pluralsight Course. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Best Practices, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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Where is the mistake ?

- by mr.bio

Hi ... i am implementing a simple linked list in c++. I have a mistake and i don't see it :( #include <stdexcept> #include <iostream> struct Node { Node(Node *next, int value): next(next), value(value) { } Node *next; int value; }; class List { Node *first; // Erstes Element , 0 falls die Liste leer ist int len; // Laenge der liste Node *nthNode(int index); // Hilfsfunktion : O( index ) public: // Default - Konstruktor ( Laenge 0): O (1) List():first(0),len(0){ } // Copy - Konstruktor : O(other.len) List(const List & other){ }; // Zuweisungs - Operator O(len +other.len) List &operator=(const List &other) { clear(); if(!other.len) return *this; Node *it = first = new Node(0,other.first->value); for (Node *n = other.first->next; n; n = n->next) { it = it->next = new Node(0, n->value); } len = other.len; return *this; } // Destruktor ( gibt den Speicher von allen Nodes frei ): O( len ) ~List(){ }; // Haengt der Liste ein Element hinten an: O( len ) void push_back(int value){ }; // Fuegt am Anfang der Liste ein Element ein : O (1) void push_front(int value){ Node* front = new Node(0,value); if(first){ first = front; front->next = 0; }else{ front->next = first; first = front; } len++; }; // gibt eine Referenz auf das index -te Element zurueck : O( index ) int &at(int index){ int count = 0 ; int ret ; Node *it = first; for (Node *n = first->next; n; n = n->next) { if(count==index) ret = n->value; count++; } return ret ; }; // Entfernt alle Elemente : O(len) void clear(){ }; // Zeigt alle Elemente an: hier : O( len * len ) void show() { std::cout << " List [" << len << " ]:{ "; for (int i = 0; i < len; ++i) { std::cout << at(i) << (i == len - 1 ? '}' : ','); } std::cout << std::endl; } }; /* * */ int main() { List l; // l. push_back(1); // l. push_back(2); l. push_front(7); l. push_front(8); l. push_front(9); l.show(); // List(l). show(); } it works ... but the output is : List [3 ]:{ 0,134520896,9484585}

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LinkedList Wrong Display(string builder)

- by Chris

Hello, The following program is a basic linked list divided in 3 classes. In the tester class (main) i add several numbers to the list (sorted). But insteed of getting the numbers as a result i get the result: LinkedList.LinkedList Is something wrong with the stringbuilder (the program was first in java where a string buffer was used, but that should be the same i think?) LinkedListTester.cs using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace LinkedList { public class LinkedListTester { static void Main(string[] args) { LinkedList ll = new LinkedList(); ll.addDataSorted(5); ll.addDataSorted(7); ll.addDataSorted(13); ll.addDataSorted(1); ll.addDataSorted(17); ll.addDataSorted(8); Console.WriteLine(ll); } } }/LinkedList/ LinkedList.cs using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace LinkedList { public class LinkedList { //toestand private LinkedListNode first; private LinkedListNode last; //gedrag public LinkedList() { first = null; last = null; } public void addDataInFront(int data) { first = new LinkedListNode(data, first); if (last == null){ last = first; } }/*addDataInFront*/ public void addDataToBack(int data) { if (first == null) { addDataInFront(data); } else { last.setNext(new LinkedListNode(data, null)); last = last.getNext(); } }/*addDataToBack*/ public void addDataSorted(int data) { if (first == null || first.getData() > data) { addDataInFront(data); } else { LinkedListNode currentNode = first; while (currentNode.getNext() != null && currentNode.getNext().getData() < data) { currentNode = currentNode.getNext(); } currentNode.setNext(new LinkedListNode(data, currentNode.getNext())); currentNode = currentNode.getNext(); if (currentNode.getNext() == null) { last = currentNode; } } }/*addDataSorted*/ public String toString() { StringBuilder Buf = new StringBuilder(); LinkedListNode currentNode = first; while (currentNode != null) { Buf.Append(currentNode.getData()); Buf.Append(' '); currentNode = currentNode.getNext(); } return Buf.ToString(); }/*toString*/ }/*LinkedList*/ }/LinkedList/ LinkedListNode: using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace LinkedList { public class LinkedListNode { //toestand private int data; private LinkedListNode next; private LinkedListNode previous; //gedrag public LinkedListNode(int data, LinkedListNode next) { this.data = data; this.next = next; this.previous = null; } public LinkedListNode(int data, LinkedListNode next, LinkedListNode previous) { this.data = data; this.next = next; this.previous = previous; } public LinkedListNode getNext() { return next; } public LinkedListNode getPrevious() { return previous; } public void setNext(LinkedListNode next) { this.next = next; } public void setPrevious(LinkedListNode previous) { this.previous = previous; } public int getData() { return data; } }/*LinkedListNode*/ }/LinkedList/

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Object reference not set to an instance of an object- Linked List Example

- by Zoro Roronoa

I am seeing following errors : Object reference not set to an instance of an object! Check to determinate if the object is null before calling the method! I'am new with C#,and I made a program for Sorted Linked Lists. Here is the code where the error comes! public void Insert(double data) { Link newLink = new Link(data); Link current = first; Link previous = null; if (first == null) { first = newLink; } else { while (data > current.DData && current != null) { previous = current; current = current.Next; } previous.Next = newLink; newLink.Next = current; } } It says that the current referenc is null while (data current.DData && current != null), but I assigned it current = first; Please Help ! The rest is the complete code of the Program! class Link { double dData; Link next=null; public Link Next { get { return next; } set { next = value; } } public double DData { get { return dData; } set { dData = value; } } public Link(double dData) { this.dData = dData; } public void DisplayLink() { Console.WriteLine("Link : "+ dData); } } class SortedList { Link first; public SortedList() { first = null; } public bool IsEmpty() { return (this.first == null); } public void Insert(double data) { Link newLink = new Link(data); Link current = first; Link previous = null; if (first == null) { first = newLink; } else { while (data > current.DData && current != null) { previous = current; current = current.Next; } previous.Next = newLink; newLink.Next = current; } } public Link Remove() { Link temp = first; first = first.Next; return temp; } public void DisplayList() { Link current; current = first; Console.WriteLine("Display the List!"); while (current != null) { current.DisplayLink(); current = current.Next; } } } class SortedListApp { public void TestSortedList() { SortedList newList = new SortedList(); newList.Insert(20); newList.Insert(22); newList.Insert(100); newList.Insert(1000); newList.Insert(15); newList.Insert(11); newList.DisplayList(); newList.Remove(); newList.DisplayList(); } }

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error in IIS7 but not on IIS6

- by Brad

I have a website that is we are now deploying to windows 2008 servers that has worked in the past on IIS6 without a problem. It is using .net 2 framework. Most of the website works. Just when we create a screen report over a certain size on the server we get this error. Event code: 3005 Event message: An unhandled exception has occurred. Event time: 6/2/2010 10:40:17 AM Event time (UTC): 6/2/2010 3:40:17 PM Event ID: 1b719ad45d444f949ecc9cbc23f49720 Event sequence: 10 Event occurrence: 1 Event detail code: 0 Application information: Application domain: /LM/W3SVC/3/ROOT-1-129199668164927170 Trust level: Full Application Virtual Path: / Application Path: c:\web\PatronAccess\ Machine name: WIN2008DEV Process information: Process ID: 4712 Process name: w3wp.exe Account name: NT AUTHORITY\NETWORK SERVICE Exception information: Exception type: HttpException Exception message: Invalid viewstate. Request information: Request URL: http://win2008dev/WebResource.axd?d=xCXKkHAeSYHWbCg.gif Request path: /WebResource.axd User host address: 172.17.2.66 User: Is authenticated: False Authentication Type: Thread account name: NT AUTHORITY\NETWORK SERVICE Thread information: Thread ID: 6 Thread account name: NT AUTHORITY\NETWORK SERVICE Is impersonating: False Stack trace: at System.Web.UI.Page.DecryptStringWithIV(String s, IVType ivType) at System.Web.Handlers.AssemblyResourceLoader.System.Web.IHttpHandler.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) Custom event details: And this one. A process serving application pool 'PatronAccess' suffered a fatal communication error with the Windows Process Activation Service. The process id was '4596'. The data field contains the error number. I have a debug of the application pool but I don't know where to go from here. * wait with pending attach Symbol search path is: Executable search path is: ModLoad: 00bd0000 00bd8000 c:\windows\system32\inetsrv\w3wp.exe ModLoad: 77380000 774a7000 C:\Windows\system32\ntdll.dll ModLoad: 75cb0000 75d8b000 C:\Windows\system32\kernel32.dll ModLoad: 75b60000 75c26000 C:\Windows\system32\ADVAPI32.dll ModLoad: 75df0000 75eb2000 C:\Windows\system32\RPCRT4.dll ModLoad: 76500000 765aa000 C:\Windows\system32\msvcrt.dll ModLoad: 76250000 762ed000 C:\Windows\system32\USER32.dll ModLoad: 75ae0000 75b2b000 C:\Windows\system32\GDI32.dll ModLoad: 75ec0000 76004000 C:\Windows\system32\ole32.dll ModLoad: 731a0000 731d6000 c:\windows\system32\inetsrv\IISUTIL.dll ModLoad: 75330000 75421000 C:\Windows\system32\CRYPT32.dll ModLoad: 75490000 754a2000 C:\Windows\system32\MSASN1.dll ModLoad: 758e0000 758fe000 C:\Windows\system32\USERENV.dll ModLoad: 758c0000 758d4000 C:\Windows\system32\Secur32.dll ModLoad: 75b30000 75b5d000 C:\Windows\system32\WS2_32.dll ModLoad: 774e0000 774e6000 C:\Windows\system32\NSI.dll ModLoad: 75ac0000 75ade000 C:\Windows\system32\IMM32.DLL ModLoad: 772b0000 77378000 C:\Windows\system32\MSCTF.dll ModLoad: 774f0000 774f9000 C:\Windows\system32\LPK.DLL ModLoad: 75c30000 75cad000 C:\Windows\system32\USP10.dll ModLoad: 74d30000 74d51000 C:\Windows\system32\NTMARTA.DLL ModLoad: 77500000 7754a000 C:\Windows\system32\WLDAP32.dll ModLoad: 75990000 75997000 C:\Windows\system32\PSAPI.DLL ModLoad: 754b0000 754c1000 C:\Windows\system32\SAMLIB.dll ModLoad: 744c0000 744ce000 c:\windows\system32\inetsrv\w3wphost.dll ModLoad: 77550000 775dd000 C:\Windows\system32\OLEAUT32.dll ModLoad: 72ec0000 72f12000 c:\windows\system32\inetsrv\nativerd.dll ModLoad: 742a0000 742cf000 C:\Windows\system32\XmlLite.dll ModLoad: 72e60000 72e90000 c:\windows\system32\inetsrv\IISRES.DLL ModLoad: 74f40000 74f7b000 C:\Windows\system32\rsaenh.dll ModLoad: 72f40000 72f86000 C:\Windows\system32\mscoree.dll ModLoad: 75d90000 75de8000 C:\Windows\system32\SHLWAPI.dll ModLoad: 74600000 7479e000 C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.6001.18000_none_5cdbaa5a083979cc\comctl32.dll ModLoad: 72310000 728a0000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorwks.dll ModLoad: 72dc0000 72e5b000 C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.3053_none_d08d7bba442a9b36\MSVCR80.dll ModLoad: 75a30000 75ab4000 C:\Windows\system32\CLBCatQ.DLL ModLoad: 728a0000 728d0000 C:\Windows\system32\mlang.dll ModLoad: 6c7d0000 6c801000 C:\Windows\system32\inetsrv\iiscore.dll ModLoad: 71fd0000 71fd7000 c:\windows\system32\inetsrv\W3TP.dll ModLoad: 74480000 74489000 c:\windows\system32\inetsrv\w3dt.dll ModLoad: 71fb0000 71fbb000 C:\Windows\system32\HTTPAPI.dll ModLoad: 752f0000 7532a000 C:\Windows\system32\slc.dll ModLoad: 6cad0000 6caf8000 C:\Windows\system32\faultrep.dll ModLoad: 75050000 75058000 C:\Windows\system32\VERSION.dll ModLoad: 74b80000 74b8f000 C:\Windows\system32\NLAapi.dll ModLoad: 75290000 752a9000 C:\Windows\system32\IPHLPAPI.DLL ModLoad: 75250000 75285000 C:\Windows\system32\dhcpcsvc.DLL ModLoad: 754d0000 754fc000 C:\Windows\system32\DNSAPI.dll ModLoad: 75240000 75247000 C:\Windows\system32\WINNSI.DLL ModLoad: 75210000 75231000 C:\Windows\system32\dhcpcsvc6.DLL ModLoad: 750b0000 750eb000 C:\Windows\System32\mswsock.dll ModLoad: 73920000 73928000 C:\Windows\System32\winrnr.dll ModLoad: 73720000 7372f000 C:\Windows\system32\napinsp.dll ModLoad: 74d00000 74d05000 C:\Windows\System32\wshtcpip.dll ModLoad: 75140000 75145000 C:\Windows\System32\wship6.dll ModLoad: 73910000 73916000 C:\Windows\system32\rasadhlp.dll ModLoad: 6ca00000 6ca06000 C:\Windows\System32\inetsrv\cachuri.dll ModLoad: 6c9f0000 6c9f8000 C:\Windows\System32\inetsrv\cachfile.dll ModLoad: 6c9e0000 6c9e6000 C:\Windows\System32\inetsrv\cachtokn.dll ModLoad: 6c9d0000 6c9de000 C:\Windows\System32\inetsrv\cachhttp.dll ModLoad: 6c960000 6c96e000 C:\Windows\System32\inetsrv\compstat.dll ModLoad: 6c930000 6c938000 C:\Windows\System32\inetsrv\defdoc.dll ModLoad: 6c910000 6c919000 C:\Windows\System32\inetsrv\dirlist.dll ModLoad: 6c6b0000 6c6b8000 C:\Windows\System32\inetsrv\protsup.dll ModLoad: 6c6a0000 6c6ad000 C:\Windows\System32\inetsrv\static.dll ModLoad: 6c690000 6c69b000 C:\Windows\System32\inetsrv\authanon.dll ModLoad: 6c680000 6c68b000 C:\Windows\System32\inetsrv\authbas.dll ModLoad: 6c630000 6c63e000 C:\Windows\System32\inetsrv\authsspi.dll ModLoad: 755b0000 75625000 C:\Windows\system32\NETAPI32.dll ModLoad: 6c620000 6c62b000 C:\Windows\System32\inetsrv\modrqflt.dll ModLoad: 6c610000 6c61d000 C:\Windows\System32\inetsrv\custerr.dll ModLoad: 6c5c0000 6c5c8000 C:\Windows\System32\inetsrv\loghttp.dll ModLoad: 6c330000 6c337000 C:\Windows\System32\inetsrv\iisreqs.dll ModLoad: 728f0000 728f7000 C:\Windows\system32\WSOCK32.dll ModLoad: 6c1f0000 6c20e000 C:\Windows\System32\inetsrv\isapi.dll ModLoad: 6c000000 6c011000 C:\Windows\System32\inetsrv\filter.dll ModLoad: 6c320000 6c328000 C:\Windows\System32\inetsrv\validcfg.dll ModLoad: 6a2a0000 6a30d000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\webengine.dll ModLoad: 60060000 60067000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_filter.dll ModLoad: 6c310000 6c319000 C:\Windows\system32\inetsrv\wbhst_pm.dll ModLoad: 765b0000 770c0000 C:\Windows\system32\shell32.dll ModLoad: 70d10000 71807000 C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\17f572b09facdc5fda9431558eb7a26e\mscorlib.ni.dll ModLoad: 70580000 70d05000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System\52e1ea3c7491e05cda766d7b3ce3d559\System.ni.dll ModLoad: 03990000 044d3000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Web\96071d36e4d44ebb31a3b46f08fdc732\System.Web.ni.dll ModLoad: 75770000 757cf000 C:\Windows\system32\sxs.dll ModLoad: 72ac0000 72bb1000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Configuration\e6001d416f7c468334934a2c6a41c631\System.Configuration.ni.dll ModLoad: 71890000 71dc6000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Xml\7208ffa39630e9b923331f9df0947a12\System.Xml.ni.dll ModLoad: 66580000 667bc000 C:\Windows\assembly\NativeImages_v2.0.50727_32\Microsoft.JScript\1543943b86269c9bebd5cf7a3fe7f55b\Microsoft.JScript.ni.dll ModLoad: 74460000 74468000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\App_global.asax.cyzjkxpg.dll ModLoad: 65d20000 65e7c000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\10097bf6\5f9a08ec_fffcca01\PatronAccess.DLL ModLoad: 72030000 7208b000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorjit.dll ModLoad: 68ab0000 68bca000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Web.Extensio#\3b4cb090536bf6b0dfae8cefaeeadb9f\System.Web.Extensions.ni.dll ModLoad: 64020000 64033000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorsec.dll ModLoad: 73c40000 73c6d000 C:\Windows\system32\WINTRUST.dll ModLoad: 774b0000 774d9000 C:\Windows\system32\imagehlp.dll ModLoad: 73690000 73715000 C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.6001.18000_none_886786f450a74a05\COMCTL32.dll ModLoad: 75170000 751a5000 C:\Windows\system32\ncrypt.dll ModLoad: 751b0000 751f5000 C:\Windows\system32\BCRYPT.dll ModLoad: 74d90000 74da5000 C:\Windows\system32\GPAPI.dll ModLoad: 73520000 7353b000 C:\Windows\system32\cryptnet.dll ModLoad: 73440000 73446000 C:\Windows\system32\SensApi.dll ModLoad: 73a50000 73a65000 C:\Windows\system32\Cabinet.dll ModLoad: 6ae30000 6ae3a000 C:\Windows\system32\inetsrv\gzip.dll ModLoad: 69e50000 69e6a000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\App_Web_kal6czmb.dll ModLoad: 69e10000 69e3c000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\App_Web_b1efcjqz.dll ModLoad: 69bd0000 69c26000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\e8a04837\0093847c_5153ca01\Infragistics2.WebUI.UltraWebTab.v9.2.DLL ModLoad: 5e480000 5e95e000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\719ff0ee\00c37169_5153ca01\Infragistics2.Web.v9.2.DLL ModLoad: 67c90000 67d1a000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\ba3b912a\00d19870_5153ca01\Infragistics2.WebUI.Shared.v9.2.DLL ModLoad: 656a0000 6587a000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\6470a692\14d22a05_ef2ac901\AjaxControlToolkit.DLL ModLoad: 66960000 66ae8000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Drawing\6312464f64727a2a50d5ce3fd73ad1bb\System.Drawing.ni.dll ModLoad: 6e690000 6ece3000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Data\813556b5a2722045b0ea14467fd00227\System.Data.ni.dll ModLoad: 64e70000 65144000 C:\Windows\assembly\GAC_32\System.Data\2.0.0.0__b77a5c561934e089\System.Data.dll ModLoad: 69c70000 69ca2000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\App_Web_zwtn5a73.dll ModLoad: 69e70000 69e8e000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\App_Web_qijxg7dv.dll ModLoad: 645a0000 647bf000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Web.Mobile\b472cb382c17ffc3cb1a91ce12d90bf1\System.Web.Mobile.ni.dll ModLoad: 69c30000 69c66000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Web.RegularE#\e6b57c0506ec849c6706cb5617ad7372\System.Web.RegularExpressions.ni.dll ModLoad: 6c300000 6c30a000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\App_Web__hyepzhd.dll ModLoad: 69e00000 69e08000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\5ef208f7\b68a494a_e840c901\SessionTimeoutControl.DLL ModLoad: 69d50000 69d5c000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\619d48f7\0f695f01_fdfcca01\AgNetDataPro.DLL ModLoad: 69cd0000 69ce8000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\dc1703ed\00e1c635_caeaca01\xfnlnet.DLL ModLoad: 73d50000 73efb000 C:\Windows\WinSxS\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.0.6001.18175_none_9e7bbe54c9c04bca\gdiplus.dll (16cc.14e0): Break instruction exception - code 80000003 (first chance) eax=7ffa6000 ebx=00000000 ecx=00000000 edx=7740d094 esi=00000000 edi=00000000 eip=773c7dfe esp=051ff774 ebp=051ff7a0 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00000246 ntdll!DbgBreakPoint: 773c7dfe cc int 3 0:021 g (16cc.1454): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=00000000 ebx=00000479 ecx=00000000 edx=019d21f8 esi=019d1f18 edi=019ba74c eip=013849ed esp=0499ea44 ebp=0499f15c iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246 013849ed 8b01 mov eax,dword ptr [ecx] ds:0023:00000000=???????? 0:018 g ModLoad: 65890000 65a55000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Web.Services\2fa835ce2dcace4fc7c0009f102efc79\System.Web.Services.ni.dll ModLoad: 6f2b0000 6f34d000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.EnterpriseSe#\ae383808b3f5ee9287358378f9a2cad3\System.EnterpriseServices.ni.dll ModLoad: 10000000 10020000 System.EnterpriseServices.Wrapper.dll ModLoad: 00e50000 00e70000 System.EnterpriseServices.Wrapper.dll ModLoad: 66da0000 66de8000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.EnterpriseSe#\ae383808b3f5ee9287358378f9a2cad3\System.EnterpriseServices.Wrapper.dll ModLoad: 10000000 10020000 C:\Windows\assembly\GAC_32\System.EnterpriseServices\2.0.0.0__b03f5f7f11d50a3a\System.EnterpriseServices.Wrapper.dll ModLoad: 6ab40000 6ab4c000 image6ab40000 ModLoad: 04950000 0495c000 image04950000 ModLoad: 049a0000 049c0000 image049a0000 ModLoad: 049d0000 049f0000 image049d0000 ModLoad: 049a0000 049c0000 image049a0000 ModLoad: 04a40000 04a60000 image04a40000 ModLoad: 049a0000 049c0000 image049a0000 ModLoad: 04a40000 04a60000 image04a40000 ModLoad: 049a0000 049c0000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\da3b70a0\00e9280f_c1f4c201\ICSharpCode.SharpZipLib.DLL ModLoad: 5eb40000 5f01e000 Infragistics2.Web.v9.2.dll ModLoad: 05a00000 05ede000 Infragistics2.Web.v9.2.dll ModLoad: 694d0000 694fa000 image694d0000 ModLoad: 049d0000 049fa000 image049d0000 ModLoad: 68cc0000 68cea000 image68cc0000 ModLoad: 04e40000 04e6a000 image04e40000 ModLoad: 69470000 6949a000 image69470000 ModLoad: 04e40000 04e6a000 image04e40000 ModLoad: 69470000 6949a000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\f77351ae\00582c74_5153ca01\Infragistics2.WebUI.Misc.v9.2.DLL ModLoad: 67d20000 67daa000 image67d20000 ModLoad: 04e70000 04efa000 image04e70000 ModLoad: 643e0000 64598000 Infragistics2.WebUI.UltraWebChart.v9.2.dll ModLoad: 05a00000 05bb8000 Infragistics2.WebUI.UltraWebChart.v9.2.dll ModLoad: 63ac0000 63c78000 Infragistics2.WebUI.UltraWebChart.v9.2.dll ModLoad: 05bc0000 05d78000 Infragistics2.WebUI.UltraWebChart.v9.2.dll ModLoad: 63900000 63ab8000 Infragistics2.WebUI.UltraWebChart.v9.2.dll ModLoad: 05bc0000 05d78000 Infragistics2.WebUI.UltraWebChart.v9.2.dll ModLoad: 63900000 63ab8000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\9acf477c\0030eeb6_5153ca01\Infragistics2.WebUI.UltraWebChart.v9.2.DLL ModLoad: 60570000 607b6000 image60570000 ModLoad: 05d80000 05fc6000 image05d80000 ModLoad: 64350000 64596000 image64350000 ModLoad: 05fd0000 06216000 image05fd0000 ModLoad: 5edd0000 5f016000 image5edd0000 ModLoad: 05fd0000 06216000 image05fd0000 ModLoad: 5edd0000 5f016000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\30e4a2ff\00dfbf77_5153ca01\Infragistics2.WebUI.UltraWebGrid.v9.2.DLL ModLoad: 67d50000 67da6000 image67d50000 ModLoad: 04e70000 04ec6000 image04e70000 ModLoad: 68cb0000 68ce4000 image68cb0000 ModLoad: 04e70000 04ea4000 image04e70000 ModLoad: 68790000 687c4000 image68790000 ModLoad: 04eb0000 04ee4000 image04eb0000 ModLoad: 688f0000 68924000 image688f0000 ModLoad: 04eb0000 04ee4000 image04eb0000 ModLoad: 688f0000 68924000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\2420cb22\00a1ab83_5153ca01\Infragistics2.WebUI.WebCombo.v9.2.DLL ModLoad: 66d50000 66da0000 image66d50000 ModLoad: 04f80000 04fd0000 image04f80000 ModLoad: 67d60000 67db0000 image67d60000 ModLoad: 05a00000 05a50000 image05a00000 ModLoad: 66d00000 66d50000 image66d00000 ModLoad: 05a00000 05a50000 image05a00000 ModLoad: 66d00000 66d50000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\6ceab935\00b28e76_5153ca01\Infragistics2.WebUI.WebDataInput.v9.2.DLL ModLoad: 11000000 1112e000 image11000000 ModLoad: 05a50000 05b7e000 image05a50000 ModLoad: 11000000 1112e000 image11000000 ModLoad: 05d80000 05eae000 image05d80000 ModLoad: 11000000 1112e000 image11000000 ModLoad: 05d80000 05eae000 image05d80000 ModLoad: 11000000 1112e000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\e99fdd05\00c79c09_d868c301\itextsharp.DLL ModLoad: 04df0000 04dfe000 LinkPointAPI-cs.dll ModLoad: 04e70000 04e7e000 LinkPointAPI-cs.dll ModLoad: 04df0000 04dfe000 LinkPointAPI-cs.dll ModLoad: 04e80000 04e8e000 LinkPointAPI-cs.dll ModLoad: 04df0000 04dfe000 LinkPointAPI-cs.dll ModLoad: 04e80000 04e8e000 LinkPointAPI-cs.dll ModLoad: 04df0000 04dfe000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\0e724536\00922343_54dfc701\LinkPointAPI-cs.DLL ModLoad: 04e70000 04e78000 image04e70000 ModLoad: 04e90000 04e98000 image04e90000 ModLoad: 04e70000 04e78000 image04e70000 ModLoad: 04ea0000 04ea8000 image04ea0000 ModLoad: 04e70000 04e78000 image04e70000 ModLoad: 04ea0000 04ea8000 image04ea0000 ModLoad: 04e70000 04e78000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\859797c4\00eb5fc5_bed8c401\LinkPointTransaction.DLL ModLoad: 65e80000 65fdc000 PatronAccess.dll ModLoad: 05a50000 05bac000 PatronAccess.dll ModLoad: 6ab40000 6ab48000 SessionTimeoutControl.dll ModLoad: 04e90000 04e98000 SessionTimeoutControl.dll ModLoad: 6ab80000 6ab8e000 WebServices.dll ModLoad: 04e90000 04e9e000 WebServices.dll ModLoad: 6ab40000 6ab4e000 WebServices.dll ModLoad: 04ef0000 04efe000 WebServices.dll ModLoad: 69d40000 69d4e000 WebServices.dll ModLoad: 04ef0000 04efe000 WebServices.dll ModLoad: 69d40000 69d4e000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\048afd31\e1f306b4\assembly\dl3\21555aa5\5f498093_fefcca01\WebServices.DLL ModLoad: 694e0000 694f8000 image694e0000 ModLoad: 04f80000 04f98000 image04f80000 ModLoad: 661c0000 6624e000 System.ServiceModel.Web.dll ModLoad: 05a50000 05ade000 System.ServiceModel.Web.dll ModLoad: 5d850000 5ddfc000 System.ServiceModel.dll ModLoad: 06220000 067cc000 System.ServiceModel.dll ModLoad: 65ef0000 65fe0000 System.Runtime.Serialization.dll ModLoad: 05eb0000 05fa0000 System.Runtime.Serialization.dll ModLoad: 694e0000 694fe000 SMDiagnostics.dll ModLoad: 04f80000 04f9e000 SMDiagnostics.dll ModLoad: 65be0000 65d1c000 System.Web.Extensions.dll ModLoad: 067d0000 0690c000 System.Web.Extensions.dll ModLoad: 67d40000 67dac000 System.IdentityModel.dll ModLoad: 05ae0000 05b4c000 System.IdentityModel.dll ModLoad: 687a0000 687c2000 System.IdentityModel.Selectors.dll ModLoad: 04fa0000 04fc2000 System.IdentityModel.Selectors.dll ModLoad: 66c90000 66cf4000 Microsoft.Transactions.Bridge.dll ModLoad: 05b50000 05bb4000 Microsoft.Transactions.Bridge.dll ModLoad: 69130000 69146000 System.Web.Abstractions.dll ModLoad: 051b0000 051c6000 System.Web.Abstractions.dll ModLoad: 65150000 651f6000 System.Core.dll ModLoad: 06910000 069b6000 System.Core.dll ModLoad: 64440000 644ea000 System.Data.Linq.dll ModLoad: 069c0000 06a6a000 System.Data.Linq.dll ModLoad: 66d50000 66d9c000 System.Data.Services.Client.dll ModLoad: 06a70000 06abc000 System.Data.Services.Client.dll ModLoad: 68cd0000 68cf0000 System.Data.Services.Design.dll ModLoad: 05210000 05230000 System.Data.Services.Design.dll ModLoad: 5eb00000 5edc2000 System.Data.Entity.dll ModLoad: 06ac0000 06d82000 System.Data.Entity.dll ModLoad: 66af0000 66b16000 System.Xml.Linq.dll ModLoad: 05fa0000 05fc6000 System.Xml.Linq.dll ModLoad: 661c0000 6624e000 C:\Windows\assembly\GAC_MSIL\System.ServiceModel.Web\3.5.0.0__31bf3856ad364e35\System.ServiceModel.Web.dll ModLoad: 64520000 6459e000 System.WorkflowServices.dll ModLoad: 06d90000 06e0e000 System.WorkflowServices.dll ModLoad: 63af0000 63c80000 System.Workflow.ComponentModel.dll ModLoad: 06e10000 06fa0000 System.Workflow.ComponentModel.dll ModLoad: 64320000 6443a000 System.Workflow.Activities.dll ModLoad: 06fa0000 070ba000 System.Workflow.Activities.dll ModLoad: 62cf0000 62d78000 System.Workflow.Runtime.dll ModLoad: 070c0000 07148000 System.Workflow.Runtime.dll ModLoad: 68cb0000 68cc6000 Microsoft.Build.Utilities.dll ModLoad: 07150000 07166000 Microsoft.Build.Utilities.dll ModLoad: 6ab80000 6ab8c000 Microsoft.Build.Framework.dll ModLoad: 05230000 0523c000 Microsoft.Build.Framework.dll ModLoad: 07170000 07214000 Microsoft.Build.Tasks.dll ModLoad: 07220000 072c4000 Microsoft.Build.Tasks.dll ModLoad: 64520000 6459e000 C:\Windows\assembly\GAC_MSIL\System.WorkflowServices\3.5.0.0__31bf3856ad364e35\System.WorkflowServices.dll ModLoad: 5d610000 5d84e000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Runtime.Seri#\a33b3b88fd575b703ba4212c677880ae\System.Runtime.Serialization.ni.dll ModLoad: 605a0000 606a6000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.IdentityModel\3bfbe737873becead614d1504e7d5684\System.IdentityModel.ni.dll ModLoad: 5ab70000 5bbf7000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.ServiceModel\7115815b53ec561932345e16fbeea968\System.ServiceModel.ni.dll ModLoad: 61440000 6201e000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Windows.Forms\1941d7639299344ae28fb6b23da65247\System.Windows.Forms.ni.dll ModLoad: 5d190000 5d3c4000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Core\a0522cb280c09b3441e1889502ca145a\System.Core.ni.dll ModLoad: 60a00000 61433000 C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Design\d3fa02f8a34329c8b84c004afaea7054\System.Design.ni.dll (16cc.1454): CLR exception - code e0434f4d (first chance) (16cc.1454): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=00000000 ebx=01776038 ecx=00000000 edx=00000000 esi=017ff314 edi=018907f8 eip=071a62fc esp=0499ee88 ebp=0499eef4 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246 071a62fc 8b01 mov eax,dword ptr [ecx] ds:0023:00000000=???????? 0:018 g (16cc.1454): CLR exception - code e0434f4d (first chance) (16cc.1454): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=00000000 ebx=01776038 ecx=00000000 edx=00000000 esi=017ff200 edi=0186ed04 eip=071a62fc esp=0499ee88 ebp=0499eef4 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246 071a62fc 8b01 mov eax,dword ptr [ecx] ds:0023:00000000=???????? 0:018 g (16cc.1358): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=00000000 ebx=01776038 ecx=00000000 edx=00000000 esi=017ff200 edi=01858380 eip=071a62fc esp=0742ee98 ebp=0742ef04 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246 071a62fc 8b01 mov eax,dword ptr [ecx] ds:0023:00000000=???????? 0:020 g (16cc.1358): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=00000000 ebx=017758a4 ecx=00000000 edx=00000000 esi=017fd078 edi=018b6afc eip=071a62fc esp=0742ee98 ebp=0742ef04 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246 071a62fc 8b01 mov eax,dword ptr [ecx] ds:0023:00000000=???????? 0:020 g (16cc.1358): Stack overflow - code c00000fd (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=00000000 ebx=020504b4 ecx=000001d1 edx=0000001b esi=020503d4 edi=073f2998 eip=6eaf0ed3 esp=073f2980 ebp=073f30ec iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246 * WARNING: Unable to verify checksum for C:\Windows\assembly\NativeImages_v2.0.50727_32\System.Data\813556b5a2722045b0ea14467fd00227\System.Data.ni.dll System_Data_ni!_bidW103 (System_Data_ni+0x460ed3): 6eaf0ed3 f3ab rep stos dword ptr es:[edi] Any help would be appricated.

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