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• Career advice for a frustrated newbie programmer.

  - by Satoru.Logic

  Hi, all. This is my first year as a programmer. The programming language that I'm most familiar with is Python. I am maintaining a web2py based legacy system, alone, which means I have to grow up as an all-rounder. The original programmers on this project are nowhere to find, and there are hardly any usable documents about requirements or anything. I find it very frustrating every time I hear the users criticize the system, and I can't help explaining that "that was not my fault, those mess was there even before I entered this company." I wonder what should I do with this situation. Please give me some advice, thanks in advance.

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• Visual Studio / Visual Source Safe / Integrated Security / IIS 7

  - by Jason

  Using Visual Source Safe with IIS integration (the working dir is the IIS site) Visual Studio, pointed to the IIS site would load up the Web project. It would be under VSS control (have to check out files, etc). Recently, we had to switch to Integrated Security for our database connections from the web app. This means changing the impersonation of the IIS app pool (and anon authentication) to the impersonated account. Since I did this -- my project loads in Visual Studio, but it acts as if I'm not me, and the files aren't under source control anymore. I'm going to assume it's something with the pass-through from IIS to the VSS (as if you'll remember you had to add IIS_USERS to the VSS list of users). Even trying to add the impersonated account didn't work. Any ideas?

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• rpm installation error

  - by JiminyCricket

  im trying to install an RPM compat-db-4.1.25-9 on oracle linux enterprise, since its required to install WebCenter...however the rpm installation is throwing a warning and then not working [root@devsebl downloads]# rpm -i compat-db-4.1.25-9.rpm warning: compat-db-4.1.25-9.rpm: Header V3 DSA signature: NOKEY, key ID 9b3c94f4 [root@devsebl downloads]# rpm -q compat-db-4.1.25-9.rpm package compat-db-4.1.25-9.rpm is not installed any idea what that warning means and why its crashing there? i tried to use Yum, but its not available i guess: [root@devsebl downloads]# yum search compat-db Loaded plugins: security Warning: No matches found for: compat-db No Matches found

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• ASP.NET Session expires in no time?

  - by Galilyou

  Weired problem! ASP.NET Session expires instantly. In my web.config I have this session settings: <sessionState mode="InProc" timeout="10000" /> AFAIK the timeout attribute's value is in minutes and can't be greater than 525,600 minutes (1 year). I don't understand what I am doing wrong here. Why is the session expiring. Is it a server memory issue? I don't think so, the server is pretty descent and it has only one site which isn't doing much after all. Ideas? EDIT: After setting the cookiless attribute to true, and while noticing the session id on the url, I can see that the session id CHANGING. I assume that this means the session is expiring. The IIS Settings are correct AFAIK (the enable session state checkbox is checked, and the value of the time is 20). A Picture is worth 100 words:

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• What does Siebel Error SBL-BPR-00176 mean?

  - by braveterry

  My webapp talks to Siebel just fine in one test environment, but in another we are getting the following error message: <Exception> <Major No.>256</Major No.> <Minor No.>6750384</Minor No.> <Message> The workflow/task engine cannot determine a next step while executing process definition 'Dynamic Pricing Procedure'. The last step that it executed was 'Start'.(SBL-BPR-00176) </Message> <DetailedMessage>Unknown<DetailedMessage> </Exception> Any idea about what the error message means and what we might do to get around it?

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• Can you authenticate into SSAS with AD LDS (ADAM) accounts?

  - by Jaxidian

  I'm very new to AD LDS and experienced but not qualified with SSAS, so my apologies for my ignorances with these. We have a couple implementations where we expose SSAS via an HTTPS proxy (msmdpump.dll) and currently we have a temporary domain setup handling this (where our end-users have a second account+creds to manage because of this = non-ideal). I want to move us towards a more permanent solution which I'm thinking of moving all authentication to AD LDS for our web apps, SSAS, and others. However, SSAS is where I'm concerned about this. I know SSAS requires Windows Authentication and to play nicely, and that this ultimately means Active Directory will be involved. Is there a way to get this done with AD LDS instead of having to use a full AD DS implementation? If so, how?

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• When is a webapp called Beta, alpha, pre-alpha, or none

  - by dmontain

  I've come across many apps on the web that call themselves Beta. I've come across other apps that had an alpha designation. I've even come across some that called themselves pre-alpha, whatever that means (if you know please clarify). Then I've come across some really bad webapps that shouldn't have left the developer's computer and they didn't have any beta designations. I've also seen some well built apps that called themselves Beta, including Stack Exchange (the mother site of SO) which I believe is very full featured to be called a Beta. I'm a little confused. It seems people are doing it at their whims. Is there an established rule or a checklist that can help decide what stage an app is in (beta, alpha, pre-alpha, or none)? P.S. Please feel free to retag as appropriate.

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• Unable to send mail through Google SMTP with PHPMailer

  - by bartclaeys

  Hello, I'm trying to send out mail using Google's SMTP in combination with PHPMailer, but I can't get it to work. This is my code: $mail->IsSMTP(); $mail->Host = "smtp.gmail.com"; $mail->SMTPAuth = true; $mail->SMTPSecure = "ssl"; $mail->Username = "[email protected]"; $mail->Password = "**********"; $mail->Port = "465"; First I do not fully understand what should be filled in as 'SMTPSecure', some say 'ssl', other say 'tls'. Next for 'Port' I could enter '465' or '587'. But none of the combinations work... Note that I'm using a regular Gmail account and not Google Apps. In my Gmail account I've enabled 'POP access'. The error I get is: "Must issue a STARTTLS command first". Which means SSL failed, but don't know why...

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• Kohana3: Different .htaccess rewritebase and kohana base_url for dev and production environment

  - by Svish

  In my bootstrap.php I have the following: if($_SERVER['SERVER_NAME'] == 'localhost') Kohana::$environment = 'development'; else Kohana::$environment = 'production'; ... switch(Kohana::$environment) { case 'development': $settings = array('base_url' => '/kohana/', 'index_file' => FALSE); break; default: $settings = array('base_url' => '/', 'index_file' => FALSE); break; } In .htaccesshave this: # Installation directory RewriteBase /kohana/ This means that if I just upload my kohana application, it will break because the RewriteBase in the .htaccess file will be wrong. Is there a way I can have a conditional in the .htaccess file similar to the one I have in the bootstrap so that it will use the correct RewriteBase?

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• how to use Foreign key in L2E or EF?

  - by 5YrsLaterDBA

  I have a User table which has a PrivilegeId foreign key points to a Privilege table and is the primary key there. In Entity Framework, the VS will not generate a PrivilegeId variable under Users for you. It will generate a Privilege property and PrivilegeReference property for you instead. When I load a User, the Privilege property is null by default. That means EF does not load refered entity for you automatically. I think I may did something wrong? I cannot load Privilege separatedly because I have no info about the Privilege at that time. I guess EF should load the refered entities for me but I missed something. anybody can help me?

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• Automatic type conversion in Java?

  - by davr

  Is there a way to do automatic implicit type conversion in Java? For example, say I have two types, 'FooSet' and 'BarSet' which both are representations of a Set. It is easy to convert between the types, such that I have written two utility methods: /** Given a BarSet, returns a FooSet */ public FooSet barTOfoo(BarSet input) { /* ... */ } /** Given a FooSet, returns a BarSet */ public BarSet fooTObar(FooSet input) { /* ... */ } Now say there's a method like this that I want to call: public void doSomething(FooSet data) { /* .. */ } But all I have is a BarSet myBarSet...it means extra typing, like: doSomething(barTOfoo(myBarSet)); Is there a way to tell the compiler that certain types can automatically be cast to other types? I know this is possible in C++ with overloading, but I can't find a way in Java. I want to just be able to type: doSomething(myBarSet); And the compiler knows to automatically call barTOfoo()

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• SEO: Duplicated URLs with and without dash "/" and ASP.NET MVC

  - by Guillermo Guerini

  Hello guys, after reading this article "Slash or not to slash" (link: http://googlewebmastercentral.blogspot.com/2010/04/to-slash-or-not-to-slash.html) on Google Webmaster Central Blog (the oficial one) I decided to test my ASP.NET MVC app. For example: http://domain.com/products and http://domain.com/products/ (with "/" in the end), return the code 200, which means: Google understands it as two different links and likely to be a "duplicated content". They suggest to choose the way you want... with or without dash and create a 301 permanent redirect to the preferred way. So if I choose without dash, when I try to access http://domain.com/products/ it will return a 301 to the link without dash: http://domain.com/products. The question is, how can I do that with ASP.NET MVC? Thanks, Gui

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• Receiving "MERGE" 200 OK error when committing using trac-post-commit-hook

  - by Lyon Blecher

  When running a commit with the trac-post-commit-hook I receive a MERGE 200 OK error, I understand that this means that the commit has succeeded on the server but the file status has not updated on my local machine. But I can't find anyway to fix this issue. Would this be a problem with my setup or something in the script. I'm using stock standard script from the trac site, I'm committing through tortoiseSVN to VisualSVN Server which is hosted on a windows 2008 server. When I run the script through a command line I receive no errors, I only receive this error through TortoiseSVN.

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• Best way for allowing subdomain session cookies using Tomcat

  - by Andrew Ingram

  By default tomcat will create a session cookie for the current domain. If you are on www.example.com, your cookie will be created for www.example.com (will only work on www.example.com). Whereas for example.com it will be created for .example.com (desired behaviour, will work on any subdomain of example.com as well as example.com itself). I've seen a few Tomcat valves which seem to intercept the creation of session cookies and create a replacement cookie with the correct .example.com domain, however none of them seem to work flawlessly and they all appear to leave the existing cookie and just create a new one. This means that two JSESSIONID cookies are being sent with each request. I was wondering if anybody has a definitive solution to this problem.

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• Calling a webservice through jquery cross domain

  - by IanCian

  hi there, i am new to jquery so please bare with me, I am trying to connect to a .asmx webservice (cross domain) by means of client-side script now actually i am having problems to use POST since it is being blocked and in firebug is giving me: OPTIONS Add(method name) 500 internal server error. I bypassed this problem by using GET instead, it is working fine when not inputting any parameters but is giving me trouble with parameters. please see below for the code. The following is a simple example I am trying to make work out with the use of parameters. With Parameters function CallService() { $.ajax({ type: "GET", url: "http://localhost:2968/MyService.asmx/Add", data: "{'num1':'" + $("#txtValue1").val() + "','num2':'" + $("#txtValue2").val() + "'}", //contentType: "application/json; charset=utf-8", dataType: "jsonp", success: function(data) { alert(data.d); } }); Webservice [WebMethod, ScriptMethod(UseHttpGet = true, XmlSerializeString = false, ResponseFormat = ResponseFormat.Json)] public string Add(int num1, int num2) { return (num1 + num2).ToString(); }

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• What is Google Docs' SLA?

  - by Walter White

  Hi all, I am evaluating online storage and for me, that means either Amazon S3 or Google Docs. Amazon very clearly posts there reliability and SLA: http://aws.amazon.com/s3/#protecting Their rates are obviously higher than Google's, but it is really hard to compare without having an SLA. Does anyone know what Google's commitment is for reliability? Is it 99.99% for data, is there anyway to make that more durable? I have to ask too, wouldn't google docs at least be inheritently more reliable than a hard drive? Thanks, Walter

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• SCM/VCS: Tracking directories

  - by Roger Pate

  When I first found out that Mercurial tracked files and not directories, I was a bit disappointed. (This means you can't represent an empty directory in the repo.) However, it doesn't seem to be an issue in practice, and makes some things a tad easier for me. How about other SCM systems? (Edit this post to add them.) What advantages or disadvantages have you found by not tracking directories? (Each one separately in an answer, please.) Do track directories: Subversion Bazaar/bzr (add one!) Do NOT track directories: Mercurial/hg git (add one!)

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• Could not load file or assembly log4net or one of its dependencies

  - by Elie

  I've been asked to take a look at an error in an ASP/C# application with its Paypal integration. The error, shown in full, is: Could not load file or assembly 'log4net, Version=1.2.0.30714, Culture=neutral, PublicKeyToken=b32731d11ce58905' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) From what I understand, this means that the actual file located (that is, log4net.dll in my bin directory) does not match the version expected based on some assembly configuration. The problem I'm having is that I cannot locate where this file is being referenced. I have access to all the files in the web root directory of the site, and cannot locate any config files that reference this DLL. Where else might I need to look to determine what's causing the mis-match? As a note, I've made sure that the version of the DLL in the bin directory is up to date, but this does not seem to have resolved anything.

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• Lua - Iterate Through Table With nil Values

  - by Tony Trozzo

  My lua function receives a table that is of the array form: { field1, field2, nil, field3, } No keys, only values. I'm trying to convert this to a pseudo CSV form by grabbing all the fields and concatenating them into a string. Here is my function: function ArenaRewind:ConvertToCSV(tableName) csvRecord = "\n" for i,v in pairs(tableName) do if v == nil then v = "nil" end csvRecord = csvRecord .. "\"" .. v .. "\"" if i ~= #tableName then csvRecord = csvRecord .. "," end end return csvRecord end Not the prettiest code by any means, but it seems to iterate through them and grab all the non-nil values. The other table iteration function is ipairs() which stops as soon as it hits a nil value. Is there any easy way to grab all of these fields including the nil values? The tables are various sizes, so I hope to refrain from accessing each part like an array [i.e., tableName[1] through tableName[4]) and just grabbing the nil values that way. Thanks in advance.

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• WPF DataGrid - Can't Use Mouse To Scroll Because Of Drag Drop

  - by OrPaz

  Hello, I am using a datagrid that is allowing to drag its rows. My problem is that when i try to scroll down on my grid using the mouse on the side scroller, i get the 'no enterance' sign that means that "drag and drop is not allowed here, dude...". How can i modify my drag and drop function to recognize that this is not a drag and drop action, but a scroll mouse action? private new void MouseMove(object sender, MouseEventArgs e) { if (e.LeftButton == MouseButtonState.Pressed) { Point currentPosition = e.GetPosition(GridUC); Object selectedItem = GridUC.SelectedItem; if (selectedItem == null) return; DragDropContainerObject ddObject = new DragDropContainerObject(typeof(Actor), selectedItem); DataGridRow container = (DataGridRow)GridUC.ItemContainerGenerator.ContainerFromItem(selectedItem); if (container != null) { DragDropEffects finalDropEffect = DragDrop.DoDragDrop(container, ddObject, DragDropEffects.Link); } } }

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• Null-coalescing operator and operator && in C#

  - by abatishchev

  Is it possible to use together any way operator ?? and operator && in next case: bool? Any { get { var any = this.ViewState["any"] as bool?; return any.HasValue ? any.Value && this.SomeBool : any; } } This means next: if any is null then this.Any.HasValue return false if any has value, then it returns value considering another boolean property, i.e. Any && SomeBool

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• Notify DataTemplateSelector about the change

  - by Tigran

  I use DataTemplateSelector for ListView column headers template selection. ListView itself is in DataTemplate and ends up in a few tabs. So, in practice, I have same DataTemplate (so ListView too) shared between more TabItems. This means that if I select tab {A} and set XDataTemplate on ListView column {AColumn}, if I switch the tab, lets say to tab {B}, on {B}'s ListView (that is always the same one) column {AColumn} we will see the same XDataTemplate, because we share same UI data. So I created data layer where I hold relational information about {Tab} <- {ListView:Column} <- {HeaderContent}, which actually reads DatatemplateSelector in order correctly update UI on user screen. What I need is to notify to DataTemplateSelector to update current view in the moment that I need. How can I achieve that goal? Thank you.

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• Face recognition Library

  - by Janusz

  I'm looking for a free face recognition library for a university project. I'm not looking for face detection. I'm looking for actual recognition. That means finding images that contain specified faces or libraries that calculate distances between specific faces. I'm using OpenCV for detecting the faces and a rough Eigenfaces Algorithm for the recognition now. But I thought there should be something out there with a better performance then a self written Eigenfaces Algorithm. I don't talk about speed as performance I'm looking for a library with better results as an simple Eigenfaces approach I took a look at faint but it seems the library is not very reusable for my own applications. I'm happy with a library in Python, Java, C++, C or something like that. The best thing would be if it can be run on a Windowsmachine

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• MVS 2008 and C99

  - by yCalleecharan

  Hi, I read with interest the post "How universally is C99 supported ?". One of the comments therein points that Microsoft doesn't support C99. But the comment symbol // works with MVS 2008 and this symbol is in C99. I have two questions: To what extent MVS 2008 support C99? Is it ok in the same code to mix C89 and C99 syntax together? So if I write my code in C89 and then place a comment //. This means that I have mixed-coding. So what does the compiler do in such a case? Check my code first with c89 and then with C99 to accept that I use // for commenting? Thanks a lot...

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• Automatically create an admin user when running Django's ./manage.py syncdb

  - by a paid nerd

  My project is in early development. I frequently delete the database and run manage.py syncdb to set up my app from scratch. Unfortunately, this always pops up: You just installed Django's auth system, which means you don't have any superusers defined. Would you like to create one now? (yes/no): Then you have supply a username, valid email adress and password. This is tedious. I'm getting tired of typing test\[email protected]\ntest\ntest\n. How can I automatically skip this step and create a user programatically when running manage.py syncdb ?

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