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• ASP.NET MVC project won't start under IIS 5.1 on Windows XP SP3

  - by mrjoltcola

  I've a ASP.NET MVC 2 project that runs fine under Windows 7 and will start on Windows XP if I use the Visual Studio Development Server, however, starting under IIS generates an error: Unable to start debugging on the web server With the message The specified procedure could not be found No errors in the system event viewer. If I start without debugging I get an "HTTP 500 Internal Server Error" The reason I run it under IIS is the project also includes some WCF wsHttp web services that use certificates, so the VS Development Server is not adequate for hosting those. I have already seen the links on SO that talk about adding the wildcard mapping. I've already done that, just as I've done on Windows Server 2003 where I successfully host ASP.NET MVC RC2 for quite a while.

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• XCode Syntax Coloring Broken

  - by sw12345

  XCode frequently seems to lose it's mind, and doesn't color code system classes or provide correct "code sense" suggestions. This is endlessly frustrating. The question has been asked on at least three other occasions: http://stackoverflow.com/questions/2263994/problems-with-xcode-syntax-highlighting http://stackoverflow.com/questions/1627033/xcode-code-sense-color-completion-not-working http://stackoverflow.com/questions/2138047/xcode-code-loses-syntax-coloring I have switched by project version to/from 3.1-compatiable and 3.2-compatiable, completely restarting XCode before and after each change with no effect. I have rebuilt the code sense indexes and completely restarted XCode with no change. I have built my project to make sure there are no errors and restarted. I have copied my files (sans .svn files) to a different location - same problem. I've already completely disabled the argument "placeholders" because they screw up my documents when i type too fast... all I'm asking for is for the "esc" key to display the correct list of properties and methods.

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• Passing data between states PHP

  - by esryl

  So I am using Limonade PHP which has a RESTful design which emulates PUT, POST, DELETE routes for create, update, delete. I am trying to develop some form validation which is going well. The major problem I am facing though is how to return my filtered data (which has failed validation) back to repopulate the create or edit form. How would this be done? I currently have for creating a page: /admin/page/new -> GET function /admin/page -> POST function + validate + pass, update db + fail, add errors to flash, redirect to /admin/page/mew It all falls down as I do not know how to populate the /admin/page/new with the invalid, but filtered data.

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• JAXB Locator - missing dependency?

  - by Wouter Lievens

  On my current project we generate JAXB beans from an XSD file. We need line number information on the beans (beyond XSD validation errors!) so I used the -Xlocator option specified here: http://java.sun.com/webservices/docs/1.6/jaxb/xjc.html However, I'm missing the Locator class. The jar file referenced to on that six-year old page can't be found anywhere, as I don't see a download for JWSDP on any site at all. Is XJC dead? Should I be using something else?

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• How to configure tomahawk and trinidad to work together

  - by ashtaganesh

  Hi, I am new to JSF. I want to use inputListOfValues component from Trinidad in my application which also uses Tomahawk. I have added the required jars for Trinidad and before getting inputListOfValues I tried one simple inputText to be printed on browser using Trinidad. I was not getting any configuration errors but it was not printing the corresponding text on browser. So I wonder if I can use tomahawk and trinidad together ? If yes, is there any configuration setting we need to do for this ? Any help will be greatly appreciated. Thanks, Ganesh.

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• Garbage collecting at ColdFusion CFC

  - by Sergii

  Hello. I have a CFC as singletone object in Application scope. One of the methods is used for massive data processing and periodically causes the "Java heap space" errors. EDIT All variables inside the method are VAR-scoped, so they should not be kept in the object scope when invokation ended. It can be a bit dumb question for Java people, but I'd like to know how Java garbage collector cleans up the CFC methods memory: only when whole request ends, or maybe right after each method/function invokation? Second option is interesting because it can allow me to split my large method into the few, as one of the possible optimizations.

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• cant login using System.Diagnostics.Process.Start

  - by omair iqbal

  i am tying to login using System.Diagnostics.Process.Start private void button1_Click(object sender, EventArgs e) { System.Diagnostics.Process.Start("iexplore","[email protected]","password","http://www.gmail.com"); } but visual studio gives me these 2 errors: Error 1 The best overloaded method match for 'System.Diagnostics.Process.Start(string, string, System.Security.SecureString, string)' has some invalid arguments C:\Documents and Settings\Omair\My Documents\Visual Studio 2008\Projects\WindowsFormsApplication3\WindowsFormsApplication3\Form1.cs 21 13 WindowsFormsApplication3 and Error 2 Argument '3': cannot convert from 'string' to 'System.Security.SecureString' C:\Documents and Settings\Omair\My Documents\Visual Studio 2008\Projects\WindowsFormsApplication3\WindowsFormsApplication3\Form1.cs 21 80 WindowsFormsApplication3 note: i am brand new to c# and reletively new to the world of programming sorry for my english

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• Problem with autocommit in ANT SQL task

  - by Alex Stamper

  I have an SQL script and want to apply it witn ANT task. This script clears out schema, creates new tables and views. The ANT defined task as follows: <sql driver="com.mysql.jdbc.Driver" url="jdbc:mysql://host:3306/smth" userid="smth" password="smth" expandProperties="false" autocommit="true" src="all.sql" > </sql> When this task launches, it shows in log that tables are cleared and created. But when it tries to create first view, it fails with: Failed to execute: CREATE VIEW component... AS SELECT component_raw.id AS MySQLSyntaxErrorException: Table 'component_raw' doesn't exist I have no idea why it fails here. Running this all.sql from MySQL query browser gives no errors. When I launched ANT with -v option, I didn't see any "COMMIT" messages.. Please, help to resolve the problem.

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• nested if: too many arguments?

  - by FLX

  For some reason this code creates problems: source="/foo/bar/" destination="/home/oni/" if [ -d $source ]; then echo "Source directory exists" if [ -d $destination ]; then echo "Destination directory exists" rsync -raz --delete --ignore-existing --ignore-times --size-only --stats --progress $source $destination chmod -R 0755 $destination else echo "Destination directory does not exists" fi else echo "Source directory does not exists" fi It errors out with: Source directory exists /usr/bin/copyfoo: line 7: [: too many arguments Destination directory does not exists I used nested if statements in bash before without a problem, what simple mistake am I overlooking? Thanks!

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• Difference between piping a file to sh and calling a shell file

  - by Peter Coulton

  This is what was trying to do: $ wget -qO- www.example.com/script.sh | sh which quietly downloads the script and prints it to stdout which is then piped to sh. This unfortunately doesn't quite work, failing to wait for user input a various points, aswell as a few syntax errors. This is what actually works: $ wget -qOscript www.example.com/script.sh && chmod +x ./script && ./script But what's the difference? I'm thinking maybe piping the file doesn't execute the file, but rather executes each line individually, but I'm new to this kind of thing so I don't know.

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• Use of COM object in IIS 7

  - by Wouter d.A.

  Hi all, I am currently moving an ASP.NET web-project from an IIS 6 to a IIS 7 hosting environment. Everything seems to be running OK, except my calls to a COM object. I can perfectly instantiate an object of the COM type, but when I call one of its methods, the IIS crashes. The event log reports an error code "0xc0000374", which indicates a heap corruption. When I run the application inside the visual studio development server, everything goes well and the COM object code gets executed without any errors. This is also the case when the application is hosted on an IIS 6 machine. I have looked through all settings of the IIS 7 and have not found anything configurable for COM objects, like security or ... I have been struggling with this for a while and I'm out of ideas. Does anyone have any experience deploying COM objects on IIS 7? Your help would be very appreciated!

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• Classes missing if application runs for a long time

  - by Rogach

  I have a funny problem - if my application runs for a long time ( 20h), then sometimes I get NoClassDefFound error - seems like JVM decided that the class is not going to be used anyway and GCd it. To be a bit more specific, here's an example case: object ErrorHandler extends PartialFunction[Throwable,Unit] { def isDefinedAt(t: Throwable) = true def apply(e: Throwable) =e match { // ... handle errors } } // somewhere else in the code... try { // ... long running code, can take more than 20 hours to complete } catch (ErrorHandler) And I get the following exception: Exception in thread "main" java.lang.NoClassDefFoundError: org/rogach/avalanche/ErrorHandler$ If that try/catch block runs for smaller amounts of time, everything works as expected. If anyone is interested, here is the codebase in question: Avalanche I need to note that I saw this and similar problems only on Cent OS 5 machines, using JRE 6u26 and Scala 2.9.1 / 2.9.2. What could be the cause of this problem?

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• Reference Error for property of Javascript Object

  - by Jeremy Petzold

  I have built an object in Javascript on the Google Apps Script engine and every time I run my script I get a reference error saying uName is not defined. Here is the relivant code: function DataSet() { this.uName = ""; this.dFeild = ""; this.qUrl = "http://api.bfbcs.com/api/pc?players="+uName+"&fields="+dFeilds; this.data = ""; this.dQuery = dQuery; this.execQuery = execQuery; According to all sources I have found, I should not need to use the keyword var, and when I do include that, it throws other errors. What could be going on? Thanks

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• Can I get build warnings from a custom build step in Qt Creator?

  - by Derick

  I have the following script that I run as a custom build step in Qt Creator: git ls-files . | egrep "\.cpp$|\.h$" | xargs vera++ Which then gives output: foo/bar.cpp:1: no copyright notice found Another script I also use is: cppcheck . --template gcc -q --enable=style,unusedFunctions With the output: apple.h:8: style: The class 'MyPie' has no constructor. Member variables not initialized. I would love to double-click on the error and go to the source in the Compile Output window. It seems that only gcc errors are detected and these custom ones are ignored even though they have the same format.

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• What's the best way to detect web applications attacks ?

  - by paulgreg

  What is the best way to survey and detect bad users behavior or attacks like deny of services or exploits on my web app ? I know server's statistics (like Awstats) are very useful for that kind of purpose, specially to see 3XX, 4XX and 5XX errors (here's an Awstats example page) which are often bots or bad intentioned users that try well-known bad or malformed URLs. Is there others (and betters) ways to analyze and detect that kind of attack tentative ? Note : I'm speaking about URL based attacks, not attacks on server's component (like database or TCP/IP).

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• How exactly is a PHP script executed?

  - by alex

  I was just thinking to myself "How exactly is a PHP script executed?" I thought it was parsed first for syntax errors etc, and then interpreted and executed. However, I don't know why I believe that is correct. I'm probably wrong. So, how exactly is a PHP file interpreted and executed? What stages does this involve? How do included files fit into the parsing of the script? This is just to help me get my head around it. I'm interested and can not find a good answer with Google. Thanks!

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• How do I test ActionFilterAttributes that work with ModelState?

  - by Tomas Lycken

  As suggested by (among others) Kazi Manzur Rashid in this blog post, I am using ActionFilterAttributes to transfer model state from one request to another when redirecting. However, I find myself unable to write a unit test that test the behavior of these attributes. As an example, this what I want the test for the ImportModelStateAttribute to do: Setup the filterContext so that TempData[myKey] contains some fake "exported" ModelState (that is, a ModelStateDictionary I create myself, and add one error to) Make ModelState contain one model error. Call OnActionExecuting. Verify the two dictionaries are merged, and ModelState now contains both errors. I'm at a loss already on the second step.

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• How do you diagnose a 500 error on Heroku when there is no error message in the logs?

  - by lala

  I have a Rails app on Heroku that is serving 500 errors at random intervals. Web pages will display "Internal server error" in plain text, instead of the usual "We're sorry. Something went wrong." page. When I refresh the page, it works fine. The logs don't show me an error message, just » 14:20:34.107 2013-10-11 12:20:33.763690+00:00 heroku router - - at=info method=HEAD path=/ host=www.mydomain.com fwd="184.73.237.85/ec2-184-73-237-85.compute-1.amazonaws.com" dyno=web.1 connect=1ms service=63ms status=200 bytes=0 » 14:21:03.957 2013-10-11 12:21:03.561867+00:00 heroku router - - at=info method=GET path=/ host=www.mydomain.com fwd="50.112.95.211/ec2-50-112-95-211.us-west-2.compute.amazonaws.com" dyno=web.1 connect=0ms service=1ms status=500 bytes=21 Support has told me to look at request queuing in New Relic, but New Relic only shows a big red mark saying the server is down (even though the site works fine when refreshed). With no error messages, I'm at a loss for how to diagnose this issue.

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• Connecting to multiple firebird Databases via Delphi

  - by Branden

  I am integrating a system with 2 other applications, 1 using a Firebird database whilst the other BIS (using ADO). My delphi application uses Firebird. I need to read data from my database, insert it into both the BIS database and the other application firebird database. I have created seperate data modules for each. Sending data to the ADO works fine, but when writing to the other Firebird DB (my db still open) I get strange errors. I have managed to isolate the problem to the second firebird DB. Small data writes seems fine. The data structures are completly different, so un able to use a synch tool. is there a way to overcome this by using multi threading or seperate memory space each Firebird instance uses?

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• VB.Net variable declaration

  - by dcp

  I notice that both of these compile without any compiler warnings or errors, even with Option Strict and Option Explicit both turned on: Dim x As Exception = New Exception("this is a test") Dim y = New Exception("this is another test") My question is, is it more proper to use the first way (see variable x) or the second way (see variable y)? My guess is that VB doesn't need the As clause since the variable is being initialized in place, so the compiler can infer the type. I tend to like the first way as it just "feels" right and is more consistent with other languages like C#, just wondered if there was some good reason for one way over the other. I guess it's really personal choice.

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• Exception_Record in python2.5 problem

  - by amir

  I'm using Python2.5 & the following code produce 2 errors. Can any body help me? class EXCEPTION_RECORD(Structure): _fields_ = [ ("ExceptionCode", DWORD), ("ExceptionFlags", DWORD), ("ExceptionRecord", POINTER(EXCEPTION_RECORD)), ("ExceptionAddress", LPVOID), ("NumberParameters", DWORD), ("ExceptionInformation", ULONG_PTR * EXCEPTION_MAXIMUM_PARAMETERS)] Python Error: Traceback (most recent call last): File "E:\Python25\my_debugger_defines.py", line 70, in <module> class EXCEPTION_RECORD(Structure): File "E:\Python25\my_debugger_defines.py", line 74, in EXCEPTION_RECORD ("ExceptionRecord", POINTER(EXCEPTION_RECORD)), NameError: name 'EXCEPTION_RECORD' is not defined Microsoft Document: The EXCEPTION_RECORD structure describes an exception. typedef struct _EXCEPTION_RECORD { // exr DWORD ExceptionCode; DWORD ExceptionFlags; struct _EXCEPTION_RECORD *ExceptionRecord; PVOID ExceptionAddress; DWORD NumberParameters; DWORD ExceptionInformation[EXCEPTION_MAXIMUM_PARAMETERS]; } EXCEPTION_RECORD; Thanks in advance

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• struts validation problem in IE

  - by user265201

  I am using Struts 2.1.8 and facing validation problem in IE. I am getting the following error An exception occurred: Error. Error message: Invalid argument. I tried out to figure out the cause and found the following. My generated javascript code is: field = form.elements['district.name']; var error = "Enter only alphabets for district"; if (continueValidation && field.value != null && !field.value.match("^[a-zA-Z ]*$")) { addError(field, error); errors = true; } I tried to mock up by putting the same code in a function and calling it in onclick event. The method addError() throws the exception and the reason is field variable. If I change it to field[0], it works fine. How to fix this error?

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• 500 error for long url iis7

  - by Chris Porter

  I was getting 404 errors for some long URLs on a website I'm developing. After a bit of digging I discovered that this occurs when the length of certain aspects of the URL exceed configurable limits in IIS7. In this case the maxQueryString attribute of the requestLimits property needed to be increased in the web.config <system.webServer> <security> <requestFiltering> <requestLimits maxQueryString="4096" maxAllowedContentLength="4096" maxUrl="8192" > </requestLimits> </requestFiltering> </security> This fixed the problem instantly on my development server but on the remote server I now get: 500 - Internal server error. There is a problem with the resource you are looking for, and it cannot be displayed. And that's all the information it gives me.

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• Pros and cons of ways of storing an unsigned int without an unsigned int data type

  - by fields

  I have values that are 64-bit unsigned ints, and I need to store them in mongodb, which has no unsigned int type. I see three main possibilities for storing them in other field types, and converting on going in and out: Using a signed int is probably easiest and most space efficient, but has the disadvantage that they're not human readable and if someone forgets to do the conversion, some of them will work, which may obscure errors. Raw binary is probably most difficult for inexperienced programmers to deal with, and also suffers from non-human-readability. A string representation is the least space efficient (~40 bytes in unicode vs 8 bytes per field), but then at least all of the possible values will map properly, and for querying only a conversion to string is required instead of a more complicated conversion. I need these values to be available from different platforms, so a single driver-specific solution isn't an option. Any major pros and cons I've missed? Which one would you use?

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• python appengine form-posted utf8 file issue

  - by khany

  hi, i am trying to form-post a sql file that consists on many INSERTS, eg. INSERT INTO `TABLE` VALUES ('abcdé', 2759); then i use re.search to parse it and extract the fields to put into my own datastore. The problem is that, although the file contains accented characters (see the e is a é), once uploaded it loses it and either errors or stores a bytestring representation of it. Heres what i am currently using (and I have tried loads of alternatives): form = cgi.FieldStorage() uFile = form['sql'] uSql = uFile.file.read() lineX = uSql.split("\n") # to get each line and so on. has anyone got a robust way of making this work? remember i am on appengine so access to some libraries is restricted/forbidden

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