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  • What is a real world example of bad code or programming practice

    - by Luke101
    I just want to know some bad programming practice or code I should avoid to make sure it does not exist in my code. I use c# asp.net but the example you give can be in any language since the idea is still the same. I have follow many suggestions on SO that really cleaned my code up. Now I looking to launch my application and want to make sure its ready for prime time.

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  • Static code analysis for VB6 and classic ASP

    - by Ryan
    I'm looking for a static code analysis tool that will determine if I have orphaned functions in my VB6 code. The problem I'm running into is we make calls to the VB6 code from classic asp. Is there a tool that will look at both the classic asp and VB6 and determine if there are any orphaned functions?

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  • Error with Ajax.Beginform on ASP.NET MVC Page

    - by Rupa
    Hi I am using Ajaxy Call to load the partial view. It is working fine in Firefox and IE without in Debug Mode. But in Debug mode, I am getting the follwoing error: Error: 'Sys' is undefined Ajaxy call Code: <% using (Ajax.BeginForm("SearchResults", new AjaxOptions { UpdateTargetId = "divLoadSearchResults" } )) {%> HTML View Source corresponding to this: <form action="/Home/SearchResults" method="post" onclick="***Sys.***Mvc.AsyncForm.handleClick(this, new Sys.UI.DomEvent(event));" onsubmit="Sys.Mvc.AsyncForm.handleSubmit(this, new Sys.UI.DomEvent(event), { insertionMode: Sys.Mvc.InsertionMode.replace, updateTargetId: 'divLoadSearchResults' });"> I am using MVC RC2 framework. Anyone have similar problems with RC2? If it is not in Debug mode, it is working fine. Again, if i run it using Debug mode or CTRL+F5, it shows up the error. Appreciate your responses.

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  • Exclude debug javascript code during minification

    - by Tauren
    I looking into different ways to minify my javascript code including the regular JSMin, Packer, and YUI solutions. I'm really interested in the new Google Closure Compiler, as it looks exceptionally powerful. I noticed that Dean Edwards packer has a feature to exclude lines of code that start with three semicolons. This is handy to exclude debug code. For instance: ;;; console.log("Starting process"); I'm spending some time cleaning up my codebase and would like to add hints like this to easily exclude debug code. In preparation for this, I'd like to figure out if this is the best solution, or if there are other techniques. Because I haven't chosen how to minify yet, I'd like to clean the code in a way that is compatible with whatever minifier I end up going with. So my questions are these: Is using the semicolons a standard technique, or are there other ways to do it? Is Packer the only solution that provides this feature? Can the other solutions be adapted to work this way as well, or do they have alternative ways of accomplishing this? I will probably start using Closure Compiler eventually. Is there anything I should do now that would prepare for it?

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  • failsafe jQuery code

    - by David
    Can anyone explain what the jquery documentation is exactly referring to with this statement: "the argument to write failsafe jQuery code using the $ alias, without relying on the global alias" when referring to using the following: jQuery(function($) { }); I have been using jquery for a while now so understand what this code is doing to a certain extent but the phrase used in the documentation about writing failsafe jquery code puzzles me and i am unsure whether it is important or not.

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  • xcode/iphone Code templates

    - by vilo
    Is there some tool in xcode that allows me to store snippets of code I often reuse in various applications so I do not have to retype it each time? I am talking about things like all the code that goes into defining Table Delegate Methods and Table Source Methods, UIAlertViews code and such. I just would like to have my own private repository where I can put snippets of code I think I may need in the future in other apps. Is there anything like that? Thanks for any help.

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  • Error With Foundation.h

    - by Nathan Campos
    Hello, I learning Objective-C in Linux(Ubuntu), but when i tryed to compile my application that needs the Foundation headers i got an error saying that the file cannot be found, but i have installed the GNUstep development package(gnustep-devel). Here is my code: // Fraction.h #import <Foundation/NSObject.h> @interface Fraction: NSObject { int numerator; int denominator; } - (void) print; - (void) setNumerator: (int) n; - (void) setDenominator: (int) d; - (void) numerator; - (void) denominator; @end And here is the console log: ubuntu@eeepc:~$ gcc main.m -o frac -lobjc In file included from main.m:3: Fraction.h:2:26: error: objc/NSObject.h: No such file or directory In file included from main.m:3: Fraction.h:4: error: cannot find interface declaration for ‘NSObject’, superclass of ‘Fraction’ ubuntu@eeepc:~$ What i need to do?

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  • ext error with zend framework mvc

    - by terrani
    Hi, I am trying to setup ext javascript grid within zend framework mvc. I included ext css and js using the following code. $this->headScript() ->appendFile('/Resource/scripts/ext/jquery-1.4.2.js') ->appendFile('/Resource/scripts/ext/jquery/ext-jquery-adapter.js') ->appendFile('/Resource/scripts/ext/jquery/ext-all.js'); $this->headLink() ->appendStylesheet('/Layouts/admin/css/content.css') ->appendStylesheet('/Layouts/admin/css/ui.css') ->appendStylesheet('/Layouts/admin/css/button.css') ->appendStylesheet('/Layouts/admin/css/moon.css') ->appendStylesheet('/Resource/scripts/ext/css/ext-all.css'); when I run the code, I get the following error message from firefox. syntax error [Break on this error] \n What should I do to fix this?

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  • Error building java project

    - by Leandro
    I have tryied to build my project in netbeans 6.8/ windows xp, and I've received this errors: ..\nbproject\build-impl.xml:452: The following error occurred while executing this line: ..\nbproject\build-impl.xml:224: Compile failed; see the compiler error output for details.output for details. The lines are, respectively: 452: `<j2seproject3:javac gensrcdir="${build.generated.sources.dir}"/>` 224: <javac debug="@{debug}" deprecation="${javac.deprecation}" destdir="@{destdir}" encoding="${source.encoding}" excludes="@{excludes}" fork="${javac.fork}" includeantruntime="false" includes="@{includes}" source="${javac.source}" sourcepath="@{sourcepath}" srcdir="@{srcdir}" target="${javac.target}" tempdir="${java.io.tmpdir}"> I have tried to reinstall netbeans, java, and anything more...but I can't resolve this error. Do someone know how can I fix it? All the best! Leandro

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  • Silverlight - GestureService & GestureListner in code-behind

    - by Rajah
    I want to do the following XAML code in code behind and not sure how to add the GestureService and GestureListner onto the Image. Xaml code: <Image Grid.Row="1" x:Name="img" VerticalAlignment="Center" HorizontalAlignment="Center" Width="200"> <toolkit:GestureService.GestureListener> <toolkit:GestureListener/> </toolkit:GestureService.GestureListener> </Image> Code behind equivalent: Image image = new Image(); //how do I add GestureService and GestureListner? ContentPanel.Children.Add(image);

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  • Query MySQL with unicode char code.

    - by Ben
    Hi, I have been having trouble searching through a MySQL table, trying to find entries with the character (UTF-16 code 200E) in a particular column. This particular code doesn't have a glyph, so it doesn't seem to work when I try to paste it into my search term. Is there a way to specify characters as their respective code point instead for a query? Thanks, -Ben

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  • error about django to connecct newes mssql2008

    - by qq263020776
    I am using django-mssql and SQL Server 2008, but I found that it always errors when I do some commands,for example: python manage.py syncdb the error is below: raise OperationalError(e, "Error opening connection: " + connection_string) ngo.db.backends.sqlserver_ado.dbapi.OperationalError: (com_error(-2147352567, xb7\xa2\xc9\xfa\xd2\xe2\xcd\xe2\xa1\xa3', (0, u'Microsoft OLE DB Provider for L Server', u'[DBNETLIB][ConnectionOpen (Connect()).]SQL Server \u4e0d \u5b58\u 8\u6216\u62d2\u7edd\u8bbf\u95ee\u3002', None, 0, -2147467259), None), 'Error ning connection: PROVIDER=SQLOLEDB;DATA SOURCE=115.238.106.100,60433;Network rary=DBMSSOCN;Initial Catalog=rvdb_1;UID=sa;PWD=xxxx') When I use Microsoft SQL Server Management studio client, I can successfully connect the database. I got some infomation from: http://code.google.com/p/django-mssql/issues/detail?id=76 but I still tried I got wrong and I think the solution provided is wrong.

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  • Armchair Linguists: 'code' vs. 'codes'--or why I write 'code' and my manager asks for 'codes'

    - by Ukko
    I wanted to tap into the collective wisdom here to see if I can get some insight into one of my pet peeves, people who thread "code" as a countable noun. Let me also preface this by saying that I am not talking about anyone who speaks english as a second language, this is a native phenomenon. For those of us who slept through grammar class there are two classes of nouns which basically refer to things that are countable and non-countable (sometimes referred to as count and noncount). For instance 'sand' is a non-count noun and 'apple' is count. You can talk about "two apples" but "two sands" does not parse. The bright students then would point out a word like "beer" where is looks like this is violated. Beer as a substance is certainly a non-count noun, but I can ask for "two beers" without offending the grammar police. The reason is that there are actually two words tied up in that one utterance, Definition #1 is a yummy golden substance and Definition #2 is a colloquial term for a container of said substance. #1 is non-count and #2 is countable. This gets to my problem with "codes" as a countable noun. In my mind the code that we programmers write is non-count, "I wrote some code today." When used in the plural like "Have you got the codes" I can only assume that you are asking if I have the cryptographically significant numbers for launching a missile or the like. Every time my peer in marketing asks about when we will have the new codes ready I have a vision of rooms of code breakers going over the latest Enigma coded message. I corrected the usage in all the documents I am asked to review, but then I noticed that our customer was also using the work "codes" when they meant "code". At this point I have realized that there is a significant sub-population that uses "codes" and they seem to be impervious to what I see as the dominant "correct" usage. This is the part I want some help on, has anyone else noticed this phenomenon? Do you know what group it is associated with, old Fortran programmer perhaps? Is it a regionalism? I have become quick to change my terms when I notice a customer's usage, but it would be nice to know if I am sending a proposal somewhere what style they expect. I would hate to get canned with a review of "Ha, these guy's must be morons they don't even know 'code' is plural!"

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  • Error connecting to SQL Server 2008 with Django

    - by qq263020776
    I am using django-mssql and SQL Server 2008, but I found that it always errors when I do some commands,for example: python manage.py syncdb the error is below: raise OperationalError(e, "Error opening connection: " + connection_string) ngo.db.backends.sqlserver_ado.dbapi.OperationalError: (com_error(-2147352567, xb7\xa2\xc9\xfa\xd2\xe2\xcd\xe2\xa1\xa3', (0, u'Microsoft OLE DB Provider for L Server', u'[DBNETLIB][ConnectionOpen (Connect()).]SQL Server \u4e0d \u5b58\u 8\u6216\u62d2\u7edd\u8bbf\u95ee\u3002', None, 0, -2147467259), None), 'Error ning connection: PROVIDER=SQLOLEDB;DATA SOURCE=115.238.106.100,60433;Network rary=DBMSSOCN;Initial Catalog=rvdb_1;UID=sa;PWD=xxxx') When I use Microsoft SQL Server Management studio client, I can successfully connect the database. I got some infomation from: http://code.google.com/p/django-mssql/issues/detail?id=76 but I still tried I got wrong and I think the solution provided is wrong.

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  • error with Security Exception

    - by Alexander
    I am getting the following error on my page: Security Exception Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file. The problem is with the following code SmtpClient mailClient = new SmtpClient("smtp.gmail.com", 587); What's weird is that when testing it at my localhost, everything works fine, but when I put it on my 1and1 web host it generates the error above. I contacted their support and here's their answer. We do check the error logs and the operation require a FullTrust environment which currently fall under restriction on .NET Framewor k What should I do?

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  • Deadlock error in INSERT statement

    - by Gnanam
    We've got a web-based application. There is a time-bound database operation (INSERTs and UPDATEs) in the application which takes more time to complete, hence this particular flow has been changed into Java Thread so it will not wait (block) for the complete database operation to be completed. My problem is, if more than 1 user come across this particular flow, I'm facing the following error thrown by PostgreSQL: org.postgresql.util.PSQLException: ERROR: deadlock detected Detail: Process 13560 waits for ShareLock on transaction 3147316424; blocked by process 13566. Process 13566 waits for ShareLock on transaction 3147316408; blocked by process 13560. Above error is consistently thrown in INSERT statements. Additional Information: 1) I have PRIMARY KEY defined in this table. 2) There are FOREIGN KEY references in this table. 3) Separate database connection is passed to each Java Thread. Technologies Web Server: Tomcat v6.0.10 Java v1.6.0 Servlet Database: PostgreSQL v8.2.3 Connection Management: pgpool II

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  • Sinatra Gem install error

    - by lakshmanan
    I have been trying to install sinatra in a macbook running leopard system, and I am not able to do it. I get the following error. MacBook:rubygems-1.3.7 lakshmanan$ gem install sinatra WARNING: RubyGems 1.2+ index not found for: http://rubygems.org/ RubyGems will revert to legacy indexes degrading performance. Bulk updating Gem source index for: http://rubygems.org/ ERROR: While executing gem ... (NoMethodError) undefined method `gems' for #<Array:0x101901008> Please help. I reinstalled gems also. Still I get the same error.

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  • Python Code Introspection and Analysis

    - by oneself
    Hi, I am trying to write a Python code analyzer, and I am trying to avoid having to parse bare Python text files. I was hoping that once the Python compiler/interpreter parses the code there's a way to get to the object code or parse tree from within a running Python program. Is there anyway to do this? Thank you

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  • changing Python code in the debugger

    - by max
    Is there any debugger that allows Python code to be changed while debugging? In other words: run-time exception occurs, debugger stops, I change the code any way I like, and tell the program to continue. I am aware of the problems with this approach, such that references to functions would still point to the old definitions if I redefine the function on the fly, and so on. I am ok with that, since I just want to be able to make small fixes in very simple circumstances. On the other hand, I'm also interested in whether it's theoretically possible to allow changes to Python code without running into these problems: i.e., somehow update all the references to the objects that changed, etc. I'm nearly sure the answer to the second question is no, but if I'm wrong, I'd like to know. EDIT: If my goal (changing the code interactively when an exception occurred, and then continuing execution), is achievable without a debugger - that would be good as well. I don't need to use the debugger.

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  • MEF Error message

    - by cmaduro
    Can anybody explain this error message: The composition remains unchanged. The changes were rejected because of the following error(s): The composition produced a single composition error. The root cause is provided below. Review the CompositionException.Errors property for more detailed information. 1) No valid exports were found that match the constraint '((exportDefinition.ContractName == "Silverbits.ApplicationServices.ApplicationServicesManager") AndAlso (exportDefinition.Metadata.ContainsKey("ExportTypeIdentity") AndAlso "Silverbits.ApplicationServices.ApplicationServicesManager".Equals(exportDefinition.Metadata.get_Item("ExportTypeIdentity"))))', invalid exports may have been rejected. Resulting in: Cannot set import 'Silverbits.Applications.SilverbitsApplication.ApplicationServices (ContractName="Silverbits.ApplicationServices.ApplicationServicesManager")' on part 'Manpower4U.App'. Element: Silverbits.Applications.SilverbitsApplication.ApplicationServices (ContractName="Silverbits.ApplicationServices.ApplicationServicesManager") -- Manpower4U.App

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  • Include FileUtils raises an error

    - by Bilal Aslam
    I am trying to install CruiseControl.rb on an Amazon EC2 instance. I get this error in the mongrel log: /data/cruisecontrol/releases/20100313003145/vendor/rails/activesupport/lib/active_support/dependencies.rb:105:in `const_missing': uninitialized constant ProjectsMigration::FileUtils (NameError) This error is raised in a file called projects_migration.rb: http://gist.github.com/331025. Check out line 3, which I have commented out. If you remove the comment-out, you will get this error as well. The weird part: from ruby script/console I can include FileUtils just fine!

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  • Status Code from FTPWebRequest GetResponse method

    - by nick
    This is slightly tricky. I am uploading files to FTP asynchronously. After uploading each file I am checking the status of the upload operation for that file. This can be done with StatusCode property of the FtpWebResponse object for that request. The code snippet is as give below. System.IO.FileStream fs = System.IO.File.Open(fileName, System.IO.FileMode.Open); while ((iWork = fs.Read(buf, 0, buf.Length)) > 0) requestStream.Write(buf, 0, iWork); requestStream.Close(); FtpWebResponse wrRet = ((FtpWebResponse)state.Request.GetResponse()); There are about 37 StatusCode values as per msdn. I am unaware as to which of these status code values will assure that the file is uploaded successfully. Some of them I used in my code to check for success are : wrRet.StatusCode == FtpStatusCode.CommandOK wrRet.StatusCode == FtpStatusCode.ClosingData wrRet.StatusCode == FtpStatusCode.ClosingControl wrRet.StatusCode == FtpStatusCode.ConnectionClosed wrRet.StatusCode == FtpStatusCode.FileActionOK wrRet.StatusCode == FtpStatusCode.FileStatus But I am unaware of the rest. I need to be sure about these codes because based on the failure or success of the upload operation I have other dependant operations to be carried out. A wrong condition can affect the remaining code. Another thought that crossed my mind was to simply put the above code into a try..catch and not depend on these status codes. With this I would not be depending on the status codes and assuming that any failure will always be directed to the catch block. Kindly let me know if this is the right way. Thanks in advance.

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