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  • Using a Session Scoped Bean

    - by jboyd
    The following code is returning null: private MyAppUser getMyAppUser(HttpSession session) { MyAppUser myAppUser = (MyAppUser) session.getAttribute("myAppUserManager"); return myAppUser; } Despite the fact that I have the following in my context: <bean id="myAppUserManager" class="com.myapp.profile.MyAppUser" scope="session"/> This doesn't make any sense to me, the "myAppUser" bean is a bean that absolutely can never be null, and I need to be able to reference it from controllers, I don't need it in services or repositories, just controllers, but it doesn't seem to be getting stored in the session, the use case is extremely simple, but I haven't been able to get to the bottom of what's wrong, or come up with a good workaround

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  • Password reset by email without a database table

    - by jpatokal
    The normal flow for resetting a user's password by mail is this: Generate a random string and store it in a database table Email string to user User clicks on link containing string String is validated against database; if it matches, user's pw is reset However, maintaining a table and expiring old strings etc seems like a bit of an unnecessary hassle. Are there any obvious flaws in this alternative approach? Generate a MD5 hash of the user's existing password Email hash string to user User clicks on link containing string String is validated by hashing existing pw again; if it matches, user's pw is reset Note that the user's password is already stored in a hashed and salted form, and I'm just hashing it once more to get a unique but repeatable string. And yes, there is one obvious "flaw": the reset link thus generated will not expire until the user changes their password (clicks the link). I don't really see why this would be a problem though -- if the mailbox is compromised, the user is screwed anyway.

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  • Limit the model data fields serialized by Web API based on the return type Interface

    - by Stevo3000
    We're updating our architecture to use a single object model for desktop, web and mobile that can be used in the MVVM pattern. I would like to be able to limit the data fields that are serialized through Web API by using interfaces on the controllers. This is required because the model objects for mobile are stored in HTML5 local storage so don't carry optional data while a thin desktop client would be able to store (and work with) more data. To achieve this a model will implement the different interfaces that define which data fields should be serialized and there will be a controller specific to the interface. The problem is that the Web API always serializes every field in the model even if it is not part of the interface being returned. How can we only serialize fields in the returned interface?

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  • How do I sync Dreamweaver site definitions across 2 computers?

    - by baritoneuk
    I use Dreamweaver on my laptop and Desktop PC and frequently change between them. I keep all my sites synced using Syncplicity (similar to Dropbox, which indecently I also use) I want my site definitions to be synced across the two computers. If I add a new site on one computer I want it to appear on the other one. I know I can export all sites on one computer and then get Syncplicity to sync the files to the other computer at which point I can import them. However this relies on me remembering to do this each time I add a new site, and it's also quite time consuming. As far as I can tell, Dreamweaver (at least upto CS4- not sure about CS5) stupidly stores the site definitions in the registry. I really don't know why they do this- if they stored it in xml files then I could easily sync the information. Does anyone know if what I am asking is possible?

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  • What web UI framework is most suitable for building dynamic pages / forms?

    - by waxwing
    Hello, We are at a stage where we are considering different Web UI frameworks (most likely component based ones such as GWT, JSF, Wicket, Vaadin, etc). One of the main use cases / constraints is that it must support generating dynamic pages. I.e., the page/form layout and components is stored in a database and is changeable at runtime, and from this pages are generated. We are also going to write static layouts, but that is not the main focus of this question. I thought maybe the user community here can share experiences of different frameworks in this context. Are there differences in ease of implementation and what is suitable?

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  • MySQL: Storage of multiple text fields for a record

    - by Tom
    An inexperienced question: I need to store about 10 unknown-length text fields per record into a MySQL table. I expect no more than 50K rows in total for this table but speed is important. The database actions will be solely SELECTs for all practical purposes. I'm using InnoDB. In other words: id | text1 | text2 | text3 | .... | text10 As I understand that MySQL will store the text elsewhere and use its own indicators on the table itself, I'm wondering whether there's any fundamental performance implications that I should be worrying about given the way the data is stored? (i.e. several "sub-fetches" from the table). Thank you.

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  • Replication - syncronizing most of the data some of the time

    - by uncle brad
    I have some data that isn't properly "partitioned" (for lack of a better word). All inserts, processing and reporting happen on the same table. The bulk of the processing happens not long after the insert and not long after that it becomes immutable (we're talking days). I could do all inserts and processing on a new table that I replicate to the old table. When I detect that the data has become immutable I would delete the data from the new table, but I would edit the delete replication stored procedure so that the delete did not replicate. How bad an idea is this? It seems attractive at the moment (I haven't slept on it yet) because it might mitigate a performance problem with only very small changes to the application. It also seems like it might be a good way to shoot myself in the foot.

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  • Is a switch statement ok for 30 or so conditions?

    - by DeanMc
    I am in the final stages of creating an MP4 tag parser in .Net. For those who have experience with tagging music you would be aware that there are an average of 30 or so tags. If tested out different types of loops and it seems that a switch statement with Const values seems to be the way to go with regard to catching the tags in binary. The switch allows me to search the binary without the need to know which order the tags are stored or if there are some not present but I wonder if anyone would be against using a switch statement for so many conditionals. Any insight is much appreciated.

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  • Convert XML to table in SQL Server 2005.

    - by Tamim Sadikali
    If I pass in an xml parameter to a stored proc which looks like this: <ClientKeys> <ck>3052</ck> <ck>3051</ck> <ck>3050</ck> <ck>3049</ck> ... </ClientKeys> ...and then convert the XML to a temp table like this: CREATE TABLE #ClientKeys ( ClientKey varchar(36) ) INSERT INTO #ClientKeys (ClientKey) SELECT ParamValues.ck.value('.','VARCHAR(36)') FROM @ClientKeys.nodes('/ClientKeys/ck') as ParamValues(ck) ...the temp tbl is populated and everything is good. However the time taken to populate said table is strictly proportionate to the number of 'ck' elements in the xml - which I wasn't expecting as there is no iterative step. And thus the time taken to populate the tbl soon becomes 'too long'. Is there a quicker way to achieve the above?

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  • pushScene and popScene or replaceScene . which should we use and when ?

    - by srikanth rongali
    I am using push scene to get the next scene. But, I read that for each PushScene the scene is stored in stack. The memory usage is more. So, I am using the replaceScene in place of pushScene. But, with replace scene I am getting the memory-bad-access message in debugger. So, I want to popScene after using it, so that the retain count is zero. But, I am confused in using popScene. If I have a Scene1 and Scene2. I used the following to go in to Scene2. Now I need to remove Scene1 from stack. [[CCDirector sharedDirector] pushScene:Scene2]; Where should I write the popScene to popScene1. How to get the previous scene in current running scene ? Thank you/

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  • UrlRewriter.Net with URL with final dot

    - by devio
    I want to use UrlRewriter.Net as described in this blog by ScottGu. In the example below, page.aspx should display a page text stored in the database based on the title= URL parameter. After a couple of tweaks the only remaining issue seems to be that a final dot in the URL causes a 404 a sequence of two dots in the URL causes a 400 Windows 7, IIS 7 with Integrated AppPool, VS2008. Looking at the Failed Request Log, it seems that the UrlRewriter module is called after retrieving the request handler. Can these two issues be fixed, or is there a better replacement for UrlRewriter? (A related question only asks about the 404) Edit: This behavior can even be reproduced on SO, so maybe there is no work-around?

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  • Java variables -> replace? RAM optimization

    - by poeschlorn
    Hi guys, I just wanted to know what happens behind my program when I declare and initialize a variable and later initialize it again with other values, e.g. an ArrayList or something similar. What happens in my RAM, when I say e.g. this: ArrayList<String> al = new ArrayList<String>(); ...add values, work with it and so on.... al = new ArrayList<String>(); So is my first ArrayList held in RAM or will the second ArrayList be stored on the same position where the first one has been before? Or will it just change the reference of "al"? If it is not replaced...is there a way to manually free the RAM which was occupied by the first arraylist? (without waiting for the garbage collector) Would it help to set it first =null? Nice greetings, poeschlorn

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  • Flashing and closing PyS60 SIS

    - by Matrich
    I created a py script for S60 2nd Edition FP3 with a background image, database, sound files which are stored in a folder on c drive. After several hours, I have managed to convert it into sis which I sent to my mobile phone. First, I installed the sis on the external memory and it failed to work. I read online that it should be on the same drive as python runtime. So I installed it on phone memory but it just flashes and then closes. I made another sis with a database and it worked so I suspect it could be because it cant find the background image and sound files in the folder. How can I know the cause of this? Also, how can I include the background image and sound files with the sis so that they are automatically installed when installing the sis file?

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  • SQL SERVER 2008 Dynamic query problem

    - by priyanka.sarkar
    I have a dynamic query which reads like this Alter PROCEDURE dbo.mySP -- Add the parameters for the stored procedure here ( @DBName varchar(50), @tblName varchar(50) ) AS BEGIN -- SET NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. SET NOCOUNT ON; -- Insert statements for procedure here declare @string as varchar(50) declare @string1 as varchar(50) set @string1 = '[' + @DBName + ']' + '.[dbo].' + '[' + @tblName + ']' set @string = 'select * from ' + @string1 exec @string END I am calling like this dbo.mySP 'dbtest1','tblTest' And I am experiencing an error "Msg 203, Level 16, State 2, Procedure mySP, Line 27 The name 'select * from [dbtest1].[dbo].[tblTest]' is not a valid identifier." What is wrong? and How to overcome? Thanks in advance

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  • Implementing password hashing/salting algorithm from crackstation.net

    - by Mason240
    I am trying to implement a password hashing/salting algorithm from crackstation.net, but I am unsure how implement it. Storing the password upon user registration seems to be as simple as passing the password into create_hash(). $password = create_hash($_POST['Password']; I'm not following how to validate upon user login. validate_password($password, $good_hash) returns either true or false, and takes $password as parameter, so it seems like a no brainer except for the second parameter $good_hash. Where does this param come from? It is my understanding that password is turned into a hash value every time its used, and that the hash value is what is stored and compared. So why would I have both the $password and $good_hash values? Quick overview of the functions: function create_hash($password){ calls pbkdf2() } function validate_password($password, $good_hash){ calls pbkdf2() calls slow_equals() } function slow_equals($a, $b){ } function pbkdf2($algorithm, $password, $salt, $count, $key_length, $raw_output = false){ } Of course a different, better method for this would also be just as helpful. Thank you

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  • mod_rewrite in conjunction with "options indexes"

    - by Travis
    I have a directory ("files") where sub-directories and files are going to be created and stored over time. The directories also need to deliver a directory listing, using "options indexes", but only if a user is authenticated, and authorized. I have that part built, and working, by doing the following: <Directory /var/www/html/files> Options Indexes IndexOptions FancyIndexing SuppressHTMLPreamble HeaderName /includes/autoindex/auth.php </Directory> Now I need to take care of file delivery. To force authentication for files, I have built the following: RewriteCond %{REQUEST_URI} -f RewriteRule /files/(.*) /auth.php I also tried: RewriteCond %{REQUEST_URI} !-d RewriteRule /files/(.*) /auth.php Both directives are redirecting to auth.php when I request: foo.com/files/bar/ foo.com/files/bar/baz I am outputting the SERVER global on auth.php during testing and it is showing the requests as I made them (I thought Apache may have been doing something behind the scenes by adding something like "index.html" to the end with "Options Indexes" being on). Ideas?

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  • iPhone expired dev certs - public/private key pair issue

    - by KevinDTimm
    My dev 'license' expired last week, and with it my dev certs. I re-upped my license, but my keys are still expired. I tried to create a new signing certificate via keychain, etc. but it seems my private key is not enough, it needs my public key to do so. I understand that the public key is stored in the provisioning certificate. The question is, can I retrieve the public key from there? (And if so, how?)

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  • Navigation Bar from database

    - by KareemSaad
    i had soulation .i want to make navigation bar with items i will select them as (category,Product,....) So i made stored to get them throught paramater will pass it,s value from query string as. ALTER Proc Navcategory ( @Category_Id Int ) As Select Distinct Categories.Category,Categories.Category_Id From Categories Where Category_Id=@Category_Id and i mentioned in cs as if (Request.QueryString["Category_Id"] != null) { Banar.ImageUrl = "Handlers/Banner.ashx?Category_Id=" + Request.QueryString["Category_Id"] + ""; using (SqlConnection conn = Connection.GetConnection()) { SqlCommand cmd = new SqlCommand(); cmd.Connection = conn; cmd.CommandType = CommandType.StoredProcedure; cmd.CommandText = "Navcategory"; cmd.Parameters.Add(Parameter.NewInt("@Category_Id", Request.QueryString["Category_Id"])); SqlDataReader dr = cmd.ExecuteReader(); if (dr.Read()) { LblNavigaton.Visible = true; LblNavigaton.Text = dr["Category"].ToString(); } } } so the result will be ex. Fridge (Category when querstring(category_Id)) 4Door (Product when querystring (Product_Id)) But I want the result fridge4Door.......

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  • magic records being deleted

    - by chris
    i have customised oscommerce to pull in a csv file of products, delete anything thats not with an image/proper description/proper title gets removed. The import runs on a cron job basis pulling information from a supplier, it hasnt run since yesterday but a product has disappeared- Anyone who has used oscommerce will know that, product information is stored over multiple tables. example is- products product_description and so on. the thing that has got me that the information is deleted from the product table but not from the product_description table. The product that is being deleted is a manually input one which carries a special tag/prefix on the model item of the product table. Therefore shouldn't be touched at all. Am clueles as what is going on. Is there mysql integrity checks deleting records? could there be another plugin working on oscommerce?

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  • Fastest method for SQL Server inserts, updates, selects

    - by Ian
    I use SPs and this isn't an SP vs code-behind "Build your SQL command" question. I'm looking for a high-throughput method for a backend app that handles many small transactions. I use SQLDataReader for most of the returns since forward only works in most cases for me. I've seen it done many ways, and used most of them myself. Methods that define and accept the stored procedure parameters as parameters themselves and build using cmd.Parameters.Add (with or without specifying the DB value type and/or length) Assembling your SP params and their values into an array or hashtable, then passing to a more abstract method that parses the collection and then runs cmd.Parameters.Add Classes that represent tables, initializing the class upon need, setting the public properties that represent the table fields, and calling methods like Save, Load, etc I'm sure there are others I've seen but can't think of at the moment as well. I'm open to all suggestions.

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  • What does xp_qv do in SQL Server?

    - by Chris
    Last night one of our SQL servers developed some major problems and after a colleague stopped, started, and all the usual things it started checking and rebuilding databases and is now running an extended stored procedure called "xp_qv". The internet seems to be very short of information on what this procedure does or anythign like that so I was hoping somebody here might be able to help. I should add that I assume it is meant to be running so the question isn't "Can I stop it" or anything like that, its just curiosity in what it is doing in the hope that it will help determine how long before things are usable again...

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  • How to manage end user documentation for a project under continuous integration?

    - by mcdon
    I have a project under continuous integration and would like to add end user documentation to the project. The end user documentation is a user manual, not API documentation. In our environment we use windows, c#, msbuild, cruisecontrol.net and subversion. We are currently using DocToHelp to create our help file, which is based on an msword document. I'm looking for some guidance on how to manage the end user documentation. What documentation tools should I use? Should any of the documentation tools be part of the build script? Should the output files from the documentation tool be stored in subversion? What type of help files would be best to use?

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  • CTE and last known date processing

    - by stackoverflowuser
    Input @StartDate = '01/25/2010' @EndDate = '02/06/2010' I have 2 CTEs in a stored procedure as follows: with CTE_A as ( [gives output A..Shown below] ), with CTE_B as ( Here, I want to check if @StartDate is NOT in output A then replace it with the last known date. In this case, since @startdate is less than any date in output A hence @StartDate will become 02/01/2010. Also to check if @EndDate is NOT in output A then replace it with the last known date. In this case, since @enddate is 02/06/2010 hence it will be replace with 02/05/2010. // Here there is a query using @startDate and @EndDate. ) output A Name Date A 02/01/2010 B 02/01/2010 C 02/05/2010 D 02/10/2010

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  • How can I delete a file created and opened with Perl's IO::File and XML::Writer?

    - by Sho Minamimoto
    So I'm running through a list of things and have code that creates an .xml files with IO::File called $doc, then I make a new writer with XML::Writer(OUTPUT => $doc). More code runs and I build a big XML file with XML::Writer. Then, near the end of the file, I find out if I need this file at all. If I do need it, I just: $writer->end(); $doc->close(); but if I don't need it, what should I enter to just delete all data I've stored/saved and move onto the next file? I tried unlink($docpath) (before and after $doc->close()), the file was not deleted.

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  • Syntax error converting the nvarchar value to a column of data type int.

    - by Phil
    I have 1,2,3,4,5,6,7,8,9 stored as nvarchar inside Level in my db. I then have a dropdownlist with values 1,2,3,4,5,6,7,8,9. When a user makes a selection (i.e 1) (Level.SelectedValue.ToString). This builds an sql query via a param like this: "Select things From MBA_EOI Where level = 1" When I run the select I get the following error: Syntax error converting the nvarchar value '1,2,3,4,5,6,7,8,9' to a column of data type int. I was under the impression that I was dealing with an Nvarchar field and the selected value as string, where does the int conversion come in? p.s I have also tried Level.SelectedItem.ToString

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