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• MySQL null/empty-string too long for VarChar(5) ?

  - by rlb.usa

  I have a stored procedure that takes an input var_zip varchar(5). My webapp calls this procedure and gives it the parameter: cmd.Parameters.Add(new MySqlParameter("var_Zip", MySqlDbType.VarChar, 5)); cmd.Parameters["var_Zip"].Value = txtZip.Text; txtZip is empty. So it is either giving empty string '', or null. Doesn't matter to me which. But it is throwing an error: MySql.Data.MySqlClient.MySqlException: Data too long for column 'var_Zip' at row 1 What's going on and how can I fix it? I don't understand.

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• how to store a date, and then check to see if another date matches that date

  - by user797963

  I'm trying to figure out dates in Java and am completely lost. Do I use Date? Use epoch time? Gregorian Calendar? Let's say I have a want to store a date, then later compare it to other dates. For example, I've stored a date "10/27/2013". Then, I want to later compare it to dates entered later to see if a later date is identical to "10/27/2013", or if just the day, year, or month matches? What's the best way to do this?

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• Version Control in Visual Studio

  - by keynesiancross

  Hi all, I'm currently working on a large project, and am about to make some large changes, and was looking for a way to 'backup' my prior work. Is there built in functionality in Visual Studio to work with version control? This project is developed only by me, and doesn't use Team Foundation Server (which is what most of my googling seems to give me answers on). Ideally, I would like to identify and restore all the different versions of my program as it evolves, without having to worry about totally messing something up... Cheers and thanks in advance! ---EDIT--- With a version control system though, would that be stored on a seperate server? Or is it possible to store it locally? I'm more just concerned that I will just seriously mess up my code and not be able to undo it at some point...

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• Access DB with SQL Server Front End

  - by uyuni99

  I have an old Access application that has a lot of code in forms and reports. The database is getting too large and I am thinking of moving the back end to SQL Server. My requirements are as follows: The DB needs to be multiuser and the users (3-5) will need to log in over the web I would prefer not to re-write the forms and reports in ASP or some other web front end. When I think about my choices, I see them as: Have an Access ADP front end and allows remote log-in to the server where it is stored. Not sure if it is possible for 2 users to simultaneously log in Distribute an ADP front end to the users, but I am not sure if it is possible to connect to a SQL Server back end over the internet, and the network traffic may be an issue. Any other solution? I appreciate all help. u

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• maintain formatting entered into an html form?

  - by NickG77

  Im setting up a web form, and I'm trying to have it where visitors can paste their resumes into a text area. Then I want to email the info using php mail(). But the resume info is just stored in the variable as one long string with no formatting. Is there a way I can send the pasted resume text to the client in the resume format? Maintaining all the line breaks and stuff? He wants to avoid having people upload resumes.

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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 do C# Table Adapters actually return?

  - by Raven Dreamer

  I'm working on an application that manipulates SQL tables in a windows form application. Up until now, I've only been using the pre-generated Fill queries, and self-made update and delete queries (which return nothing). I am interested in storing the value of a single value from a single column (an 'nchar(15)' name), and though I have easily written the SQL code to return that value to the application, I have no idea what it will be returned as. SELECT [Contact First Name] FROM ContactSkillSet WHERE [Contact ID] = @CurrentID Can the result be stored directly as a string? Do I need to cast it? Invoke a toString method?

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• jquery Troubles with binding to an element by id

  - by Alonzo

  Hi What im trying to do is that when the esc key is pressed on the text input field (id = txtSearch), some code will run. this is my code: $(document).ready(function() { $('#txtSearch').bind('keyup', function(e) { var characterCode; // literal character code will be stored in this variable if (e && e.which) { //if which property of event object is supported (NN4) e = e; characterCode = e.which; } else { characterCode = e.keyCode; } if (characterCode == 27) //if esc key { //do stuff } }); } It doesnt work for me. however, if i would change that line: $('#txtSearch').bind('keyup', function(e) { with: $(document).bind('keyup', function(e) { everything works. but i dont want to bind the keyup with esc to the whole document... any suggestions on how i can bind the the keyup only with the specific text search element? (or its containing div or something) Thanks!

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• Android - Get all sms in phone sent to a peson

  - by satyam

  I'm new to android programming. just to improve my skills, i started with some project in my mind. when app starts, it will show a button. on click of it, it will allow me to select a contact from the address book. then i want to retrieve all the sms sent to that contact (if they are stored in sms outbox). Is it possible. Can some one guide me. If there is some tutorial on these topics, can you let me know the URL or source code? Thanks in Advance.

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• Suggestions on including free database products to include in an application - SQL Server Express or

  - by superartsy

  I am working on an enterprise level product that is designed around SQL Server Express and specifically its features (views, concurrent users, stored procedures, CASE and IF statements). Though we don't use any advanced SQL Server features, the database size limit of 4GB in the Express edition may up being a limitation. A work-around is that customers can move to more full-featured versions of SQL Server. The problem is that SQL Server Express deployment is not easy, and the installer size is huge. This is a major drawback for someone looking to try our product. You don't want end-users to not buy a product because the download is huge. Does anyone have any recommendations of a database that has a smaller footprint but all the features of Express and which can be migrated to express?

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• Redirecting to a new site unless in a specified directory

  - by Luke Strickland

  Hello. I run an image hosting site. Lets just go with the following information. Site: imagehosting.com Tiny: imgho.st Directory: n/ Directory is where the images are stored. Anyways. I'm trying to figure out an apache rewrite method to redirect imgho.st to imagehosting.com UNLESS in the n/ directory. So unless the user is imgho.st/n/83md.png redirect to imagehosting.com. Could anybody help me out with this? Thanks!

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• Network license control for a Java application

  - by user1461615

  I have been tasked with providing some form of network license control for a Java application. The app would be stored on a network drive and run from a client machine. The basic idea is that it will be able to work out how many times it is being run concurrently and prevent the N+1th user from running the software where N is the number of concurrent licenses the customer has purchased. Is this possible somehow with a Java application? I implemented a "solution" which relied on multi-cast UDP communication between the running instances of the application but this didn't work because on most networks this kind of communication is blocked by security measures. Is there a better way? I don't even mind if it requires JNI/JNA. N.B. The solution does not have to be that sophisticated or highly secure.

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• Are sessions modifiable by the client/user?

  - by Sev

  In my PHP Web-App I use sessions to store the user's data. For exmaple, if a user logs in, then an instance of the User class is generated and stored in a Session. I have access levels associated with each user to determine their privileges. Store the user in a session by: $_SESSION['currentUser'] = new User($_POST['username']); For example: if($_SESSION['currentUser'] -> getAccessLevel() == 1) { //allow administration functions } where getAccessLevel() is simply a get method in the User class that returns the _accesslevel member variable. Is this secure? Or can the client somehow modify their access level through session manipulation of some sort?

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• How to schedule hundreds of thousands of tasks?

  - by wehriam

  We have hundreds of thousands of tasks that need to be run at a variety of arbitrary intervals, some every hour, some every day, and so on. The tasks are resource intensive and need to be distributed across many machines. Right now tasks are stored in a database with an "execute at this time" timestamp. To find tasks that need to be executed, we query the database for jobs that are due to be executed, then update the timestamps when the task is complete. Naturally this leads to a substantial write load on the database. As far as I can tell, we are looking for something to release tasks into a queue at a set interval. (Workers could then request tasks from that queue.) What is the best way to schedule recurring tasks at scale? For what it's worth we're largely using Python, although we have no problems using components (RabbitMQ?) written in other languages.

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• cakephp links not relative

  - by Dan

  In my layout, I have a menu that I've included as an element, and it contains a link like so.. <? $html->link('New Part Number','/part_numbers/add'); ?> The problem that I have is that cake isn't redirecting correctly and it ends up sending me to "http://localhost/part_numbers/add" instead of "http://localhost/my_client_folder/client_app/part_numbers/add" (I'm building this locally). My cakephp app is stored a few directories below my webroot folder, but I thought cakephp would autodetect how to build the linking no matter where the application was located, right? So do i need to configure the application root folder, or create a route or something? Thanks!

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• Proper chart scaling in Reporting Services 2005

  - by lastas

  I'm developing a simple bar-chart in Reporting Services 2005 with a stored procedure as data-source. The values in this graph can be both positive and negative, and can span a very big range, and hence I cannot specify any non-dynamic scale that will work for all scenarios. The problem I'm facing is that the automatic scaling pretty much sucks. I get no line to show where the zero-point is, and the y-scale labels are from top to bottom: 8818 -191181 -391181 etc etc... So my question is, what is the best approach to make the scale more adapted to human reading? Is there any guide out there? Does reporting services 2008 handle this better? Also, moving away from Reporting Services is not really an option. I realize how to put values and expression in the max, min, and the gridline interval fields, although its more of a question what expressions I should put there.

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• How to skip image tag in html data in android?

  - by user1448108

  My data in db is stored in html format along with image tags in it. So when I am getting the data from database I am removing the html tags and setting it to textview. My problem is even after removing the html tags, there is a small square box displaying in the emulator indicating that there is some image. How can I remove those square box in emulator which is an indication of image in that html data? Help me regarding this... Thanks in advance My Code: textView.setText(Html.fromHtml(htmlString));

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• Creating a json obj from a string when working without a net connection?

  - by user246114

  Hi, I have a json object returned from a third party api, it looks like: {"version":"1.0","encoding":"UTF-8"} I'm going to be working on my project without a network connection, so I have to do everything locally. How can I create an instance of a json object locally for testing? Say I copy the above string, can I do something like: var json = null; if (debugging_locally) { json = new jsonObj('{"version":"1.0","encoding":"UTF-8"}'); } else { json = doAjaxCall(); } doStuffWithJsonObj(json); so I just want to create a json object from a stored string if debugging locally - how can I do that? Thanks

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• ActionScript arrays being automatically set to other values

  - by nababa

  I am making a flash game, in each round, the player will chose either True or False. The decision of each round will be stored in an array. That is, it looks like {true, false, true, false}.. When the user clicks the "Debrief“ button, the eventlistener will be called and the game will go to the debriefing part. It will read the array mentioned before. However, the array values are all "false". I am very sure that the array has not being touched in between. So, any ideas about why the array is set to false mysteriously?

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• rails: self-referential association

  - by john

  hi, My needs are very simple: I have a Tip table to receive comments and have comments to receive comments, too. To retrieve each comment that is stored in the same table (comments), I created another key for the comments on comments: "inverse_comments". I tried to use one comments table by using self-referntial association. Some resources seem to bring more than one table into the piture which are diffent from my needs. So I came up whth the following modeling for comments: class Comment < ActiveRecord::Base belongs_to :tip belongs_to :user has_many :mycomments, :through => :inverse_comments, :source => :comment end Apparently something is missing here but I cannot figure it out. Could some one enlighten me on this: what changes I need to do to make the model work? thanks.

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• Strange Locking Behaviour in SQL Server 2005

  - by SQL Learner

  Can anyone please tell me why does the following statement inside a given stored procedure returns repeated results even with locks on the rows used by the first SELECT statement? BEGIN TRANSACTION DECLARE @Temp TABLE ( ID INT ) INSERT INTO @Temp SELECT ID FROM SomeTable WITH (ROWLOCK, UPDLOCK, READPAST) WHERE SomeValue <= 10 INSERT INTO @Temp SELECT ID FROM SomeTable WITH (ROWLOCK, UPDLOCK, READPAST) WHERE SomeValue >= 5 SELECT * FROM @Temp COMMIT TRANSACTION Any values in SomeTable for which SomeValue is between 5 and 10 will be returned twice, even though they were locked in the first SELECT. I thought that locks were in place for the whole transaction, and so I wasn't expecting the query to return repeated results. Why is this happening?

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• In Blackberry, how are shared objects in runtimestore recognized by other applications

  - by Carbonizer

  In Blackberry Runtime Store, when sharing objects between applications. How can we call methods of the shared object in another application, if the object itself is not recognized in the other application ? i am getting a runtime error when object gets typecasted, as that object is not defined in the calling applicatoin . If i typecast it to super interface and have the interface in another application. When i call getClass() on the object returned from the runtimestore. It shows as concrete class instance stored in the RunTimeStore. How can a share a object in runtimestore and use it across different applications ?

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• Different characters take more/less data?

  - by Nathan

  I am working on a personal project and I'm wondering if certain characters take up more data in a text file than others. I need to choose a character to seperate items in my file, but if a 0 uses less bytes than a ! or something, it would be best to do that. I know all characters have an ASCII value, but would a lower ASCII value mean the character can be stored in fewer bytes? This might be an incredibly stupid question, but I don't see any information on the topic online so I came here to check. Thanks!

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• Constructor initialising an array of subobjects?

  - by ojw

  Say I have several objects within a class, each of which needs constructing with a different value. I can write something like this: class b { public: b(int num) { // 1 for a.b1, and 2 for a.b2 } }; class a { public: b b1; b b2; a() : b1(1), b2(2) { } }; However, is it possible to do the same thing if those multiple objects are stored in an array? My first attempt at it doesn't compile: class a { public: b bb[2]; a() : bb[0](1), bb[1](2) { } };

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• how to create a logo and graphical images [closed]

  - by priya

  hi Can you tell me how to create code for this? Insert a new logo of the company Use layout manager to place the components on the applet Insert graphical images The details of the music CDs should be stored category-wise in seperate text files. For example, classic.txt file stores the music titles of classic tracks, western.txt file stores the music title of western tracks. Display the list of the title available with the music store depending upon the category selected. The images should also change according to the selection.

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