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• Using a datanase class in my user class?

  - by Josh

  In my project I have a database class that I use to handle all the MySQL stuff. It connects to a database, runs queries, catches errors and closes the connection. Now I need to create a members area on my site, and I was going to build a users class that would handle registration, logging in, password/username changes/resets and logging out. In this users class I need to use MySQL for obvious reasons... which is what my database class was made for. But I'm confused as to how I would use my database class in my users class. Would I want to create a new database object for my user class and then have it close whenever a method in that class is finished? Or do I somehow make a 'global' database class that can be used throughout my entire script (if this is the case I need help with that, no idea what to do there.) Thanks for any feedback you can give me.

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• c# Unit Test: Writing to Settings in unit test does not save values in user.config

  - by HorstWalter

  I am running a c# unit test (VS 2008). Within the test I do write to the settings, which should result in saving the data to the user.config. Settings.Default.X = "History"; // X is string Settings.Default.Save(); But this simply does not create the file (I have crosschecked under "C:\Documents and Settings\HW\Local Settings\Application Data"). If I create the same stuff as a Console application, there is no problem persisting the data (same code). Is there something special I need to consider doing this in a UnitTest?

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• problems with user control page

  - by Alexander

  I am starting to give up troubleshooting this issue I had... I had an .ascx page and had the following user control in it: <td> <Club:DatePicker ID="dp1" runat="server" /> </td> however in my code behind when I tried to write methods: public System.DateTime startDateTime { get { return dp1.SelectedDate.Add(tp1.SelectedTime.TimeOfDay); } set { dp1.SelectedDate = value; tp1.SelectedTime = value; } } It can't reference dp1(dp1 is underlined in red) as well as tp1... why is this?? I've tried to convert the solution to a web application and yet it doesn't work. Tried adding: protected global::ClubSite dp1; protected global::ClubSite tp1; in the ascx.designer.cs but then the global is highlighted in red here's the link to my full solution: http://cid-1bd707a1bb687294.skydrive.live.com/self.aspx/.Public/Permias.zip

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• How big can a user agent string get?

  - by Josh

  If you were going to store a user agent in a database, how large would you accomdate for? I found this technet article which recommends keeping UA under 200. It doesn't look like this is defined in the HTTP specification at least not that I found. My UA is already 149 characters, and it seems like each version of .net will be adding to it. I know I can parse the string out and break it down but I'd rather not. EDIT Based on this Blog IE9 will be changing to send the short UA string. This is a good change.

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• Access to variables in an asp.net user control vs an include file

  - by user204588

  I've asked this question before but couldn't get the answer I was looking for so I'm going to try it again. I'm translating pages from old asp to asp.net and I don't want to do this any other way so I really just want to know if this can be done. In asp, I'd assign a variable on one page <% myVar = "something" %> I could assign many variables here and then use an include <!--#include file="Test2.aspx"--> then in test2 file, I could access all the variables without having to pass all the variables into the control or declaring them again, like <% myVar = "something else" %> I want to do this the dot net way but I have some thirty variables on the page and i don't want to pass a bunch into the user control and I don't want to have to keep declaring the same variables. All I really want to know is if there is some way to replicate the behavior above in asp.net?

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• create table based on a user defined type

  - by Glen

  Suppose I have a user defined type: CREATE OR REPLACE TYPE TEST_TYPE AS OBJECT ( f1 varchar2(10), f2 number(5) ); Now, I want to create a table to hold these types. I can do the following: create table test_type_table ( test_type_field test_type ); This gives me a table with one column, test_type_field. Is there an easy and automated way to instead create a table such that it has 2 columns, f1 and f2?. So that it's the equivilent to writing: create table test_type_table ( f1 varchar2(10), f2 number(5) );

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• Customized User Registration Form

  - by Nitz

  Hey Guys, i have made user-register.tpl.php file. And i have set many text field in that. But now i need that.... i want to store the users information to the database. bcz i have created the customized registration page, so i need that my text field values should be store in the database. like this....... Username: <input type="text" name="myuser" id="myuser" /> Now i want to store the username, which will entered in this myuser text filed. NitishPanchjanya Corporation

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• User defined conversion operator as argument for printf

  - by BC

  I have a class that defined a user defined operator for a TCHAR*, like so CMyClass::operator const TCHAR*() const { // returns text as const TCHAR* } I want to be able to do something like CMyClass myClass; _tprintf(_T("%s"), myClass); or even _tprintf(_T("%s"), CMyClass(value)); But when trying, printf always prints (null) instead of the value. I have also tried a normal char* operator, as well variations with const etc. It only works correctly if I explicitly call the operator or do a cast, like _tprintf(_T("%s\n"), (const TCHAR*)myClass); _tprintf(_T("%s\n"), myClass.operator const TCHAR *()); However, I don't want to cast. How can this be achieved? Note, that a possibility is to create a function that has a parameter of const TCHAR*, so that it forcible calls the operator TCHAR*, but this I also don't want to implement.

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• How to write "good" user interface texts?

  - by Roddy

  Many applications are let down by the quality of the 'writing' in their user interfaces: typically, poor spelling, grammar, inconsistent tone, and worse yet, "humour" are the usual offenders. Are there good resources that can help developers to write UI messages that give a professional and positive impression to your customers, even when your code's going to hell in a handcart? Thanks, all — Some great resources here, so I will CW this question. I'm accepting Adam Sill's answer because it's the one that (as a developer of desktop apps) I found most pertinent.

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• Split user.config into different files for faster saving

  - by HorstWalter

  In my c# Windows Forms application (.net 3.5 / VS 2008) I have 2 settings files resulting in one user.config file. One setting file consists of larger data, but is rarely changed. The frequently changed data are very few. However, since the saving of the settings is always writing the whole (XML) file it is always "slow". SettingsSmall.Default.Save(); // slow, even if SettingsSmall consists of little data Could I configure the settings somehow to result in two files, resulting in: SettingsSmall.Default.Save(); // should be fast SettingsBig.Default.Save(); // could be slow, is seldom saved I have seen that I can use the SecionInformation class for further customizing, however what would be the easiest approach for me? Is this possible by just changing the app.config (config.sections)?

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• How to write "good" user interface text?

  - by Roddy

  Many applications are let down by the quality of the 'writing' in their user interfaces: typically, poor spelling, grammar, inconsistent tone, and worse yet, "humour" are the usual offenders. Are there good resources that can help developers to write UI messages that give a professional and positive impression to your customers, even when your code's going to hell in a handcart? Thanks, all — Some great resources here, so I will CW this question. I'm accepting Adam Sill's answer because it's the one that (as a developer of desktop apps) I found most pertinent.

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• C++ cin problems. not capturing input from user

  - by user69514

  I have the following method which is not capturing anything from the user.If I input New Band for the artist name, it only captures "New" and it lefts out "Band". If I use cin.getline() instead nothing is captured. Any ideas how to fix this? char* artist = new char [256]; char * getArtist() { cout << "Enter Artist of CD: " << endl; cin >> artist; cin.ignore(1000, '\n'); cout << "artist is " << artist << endl; return artist; }

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• How to register a VB.Net User Control with jQuery

  - by BornReady

  Greetings and thank you in advance for the help. I created a user control in VB.NET that uses a jQuery datepicker. I am at an impasse. The code I have works for one datepicker control on the page but because I can only register the client script once, it will not work for multiple instances/datepickers on the same page. What is the best way to go about initiating the jQuery script for this control so I can use it multiple times on one page? Can I append to ClientScript.RegisterStartupScript? Thanks again.

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• Is realtime validation of username good or bad?

  - by iamserious

  I have a simple form for the user to sign up to my site; with email, username and password fields. We are now trying to implement an ajax validation so the user doesn't have to post the form to find out if the username is already taken. I can do this either on keyup event or on text blur event. My question is, which of these is really the best way to do? Keyup From the user POV, it would be good if the validation is done as and when they are typing, (on key up event) - of course, I am waiting for half a second to see if the user stops typing before firing off the request, and user can make any adjustments immediately. But this means I am sending way more requests than if I validated the username on Blur event. Blur The number of requests will be much lower when the validation is done on blur event, But this means the user has to actually go away from the textbox, look at the validation result, and if necessary go back to it to make any changes and repeat the whole process until he gets it right. I had a quick look at google, tumblr, twitter and no one actually does username validations on keyup events, (heck, tubmlr waits for the form to be posted) but I can swear I have seen keyup validations in a lot of places too. So, coming back to the question, will keyup validations be too many for server, is it an unnecessary overhead? or is it worth taking these hits to give user a better experience? ps: all my regex validations etc are already done on javascript and only when it passes all these other criteria does it send a request to server to check if a username already exists. (And the server is doing a select count(1) from user where username = '' - nothing substantial, but still enough to occupy some resource) pps: I'm on asp.net, MS SQL stack., if that matters.

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• Is chroot the right choice for my use case?

  - by Anthony

  Backstory: I am working on setting up a MineCraft server and want to allow admins to have ssh access to the MineCraft server console and appropriate mc server files, but not the whole system. The console provided by the minecraft server is only available to the user that launched the process. In addition, the admins will need terminal access to some basic cli tools such as wget, cp, mv, rm, and a text editor. Plan: I have already setup the ssh aspect of things, requiring pre-shared keys and whatnot. Setup a jailed environment in which all user activity will be contained. Setup user accounts. - The first user account will be the minecraft user. The minecraft user will start the MC server in a multiuser screen session and allow the other admins to attach to it. - Subsequent users should have their own /home directory for normal usage. Setup acl for the appropriate files to allow each user to edit the mc server files. No one will be doing system updates, nor will anyone be installing any programs, so I'll be the only user with sudo. The Issues: I don't want the ssh users to have access to the whole system. Users will still need to use wget or curl to update the mc server files. Is chroot the right tool for this use case, or is there something more appropriate for the job? I have no experience setting up a chroot environment and have found several tools to aid in this process. Jailkit seems to be the most robust, but it's not in the standard repos.

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• Scribd style document rendering on ASP.NET

  - by Mikos

  Hi, I have large documents (HTML or Text) (think legal documents/regulatory documents etc.) that need to made readable i.e. paged, with some rich-text markup, allowing user highlighting and annotation etc. I was thinking of using a Scribd style rendering or as on Secwatch.com (see here). Any thoughts how I can go about it? We are on ASP.NET.

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• Are there old versions of Windows UX guidelines somewhere?

  - by Camilo Martin

  Since I've read Windows User Experience Interaction Guidelines (there's a PDF download avaliable) I've found it to be admirably self-deprecating, humbly pointing out their own horrible UI practices long scolded by Joel Spolsky. I'd like to know, however, what they had in mind while they made those mistakes. Is this (terrific) UX Guidelines document something new, or were there previous issues of such? If so, where can I find them? My prayers to Google yielded no leniency.

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• Can keyboard of type UIKeyboardTypeNamePhonePad be made to start in phone mode?

  - by greypoint

  Is there some way to have a keyboard of type UIKeyboardTypeNamePhonePad start in phone number pad mode rather than alphabetic? The keyboard works well for what I need but I'd like it to start in the "other" mode since that is more likely what the user will enter.

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• Can I restore one of my user's profiles in Vista?

  - by Rod

  My youngest daughter uses my 4 year old laptop, which has Windows Vista installed. Somehow she got some Trojan (Vista Internet Security). (I'd love to know how that happened, seeing as how she is a standard user, and I have VIPRE as my AV.) Anyway, I ran a deep anti-virus scan using VIPRE, which identified it. I decided to delete everything that it identified. Now she cannot use anything in her profile. If she tries to bring up the browser, it recycles over and over again a dialog box asking which program to use. If I try to run any program at all, it doesn't know what to do. For example, it is totally lost trying to run the command line. If I bring up Windows Explorer and navigate to Windows\System32 and try to run the command line, or anything at all from there, it goes "Huh?" What in heck has happened?? Is it possible to fix this, and if so, how? As an aside, I can log into my account (my account on that machine is an administrator) and it works fine.

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• Java get user details

  - by LC

  I'm new to Java and I have to write a program to get user details which appear like this: Author’s Details **************** Name: J. Beans YOB: 1969 Age: 41 Book Details ************ Title: *Wonderful Java* ISBN: *978 0 470 10554 9* Publisher: *Wiley* This is what I've done but it does not work, can anyone help me to find out the problem ? import java.util.Scanner ; public class UserDetails { public static void main(String args[]) { System scan = new Scanner(System.in); input sname, fname, born, title, isbn, publisher; System.out.print("Please enter author's surname:"); sname = input.nextLine(); System.out.print("Please the initial of author's first name:"); fname = input.nextLine(); System.out.print("Please enter the year the author was born:"); born = input.nextLine(); System.out.print("Please enter the author's book title:"); title = input.nextLine(); System.out.print("Please enter the book's ISBN:"); isbn = input.nextLine(); System.out.print("Please enter the publisher of the book:"); publisher = input.nextLine; System.out.println("Author's detail"); System.out.println("**********************"); System.out.println("Name:" + fname + sname); System.out.println("YOB:" + born); System.out.println("Age" + born); System.out.println("Book Details"); System.out.println("**********************"); System.out.println("Title:" + "*" + title + "*"); System.out.println("ISBN:" + "*" + isbn + "*"); System.out.println("Publisher:" + "*" + publisher + "*"); } }

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• Replacement for deprecated SQL Server User Defined Type with a bound Rule and Default

  - by Adam Jones

  We have a User Defined Data Type of YesNo which has an which is an alias for char(1). The type has a bound Rule (must be Y or N) and a Default (N). The aim of this is that when any of the development team create a new field of type YesNo the rule and default are automatically bound to the new column. Rules and Defaults have been deprecated and won't be available in the next a future version of SQL Server, is there another way to achieve the same functionality? I should add that I'm aware that I could use CHECK and DEFAULT constraints to replicate the functionality of the bound Rule and Defalut objects, however these would have to be applied at each usage of the type, rather than getting the functionality 'for free' by using a UDT which has a bound Rule and Default. The post relates to a database that backs an existing application, rather than a new development, so I'm aware that our use of UDT's is less than optimal. I suspect the answer to the question is 'No', however normally when features are deprecated there's usually an alternative syntax that can be used as a drop in replacement so I wanted to pose the question in-case someone knew of an alternative.

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• User defined literal arguments are not constexpr?

  - by Pubby

  I'm testing out user defined literals. I want to make _fac return the factorial of the number. Having it call a constexpr function works, however it doesn't let me do it with templates as the compiler complains that the arguments are not and cannot be constexpr. I'm confused by this - aren't literals constant expressions? The 5 in 5_fac is always a literal that can be evaluated during compile time, so why can't I use it as such? First method: constexpr int factorial_function(int x) { return (x > 0) ? x * factorial_function(x - 1) : 1; } constexpr int operator "" _fac(unsigned long long x) { return factorial_function(x); // this works } Second method: template <int N> struct factorial { static const unsigned int value = N * factorial<N - 1>::value; }; template <> struct factorial<0> { static const unsigned int value = 1; }; constexpr int operator "" _fac(unsigned long long x) { return factorial_template<x>::value; // doesn't work - x is not a constexpr }

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• [C#] Dynamic user-interface, WPF or not?

  - by pieter.lowie

  Hi, I'm currently working at a application that helps people understand how to do there job. You can see it as a personal coach that guides them trough all the steps they need to do that no normal person could keep remembering. In my previous application we had the ability to show the user up to 4 pictures (what proves to be more then enough). The application would load the data and see how many pictures where in every instruction and then sort out the picture in the best fitting way without messing up the scale and resolution of the pictures. This all was done with GDI+ and worked very well. Ofc, change is something that always happens, my bosses came up with some great ideas. So they want to be able to see movies on the screen, animated gif's, 3D models that can rotate or animate. So I think we had pushed GDI+ to it's limits and it's time to look for something different. I have heard and readed about WPF but have no experience with it. Is it even possible to do all what I ask in WPF? And what about the old picture-merging thing I wrote, can we also get it done in wpf? I tried to make some things working but I didn't went as smooth as I hoped. I'm also concerned about the fact that the interface needs to be dynamic, the one moment it should be showing picture with some text above it, the other moment it should be showing another text with a video under it. I would love to hear some opinions here and if you got some other suggestions I should look into pls tell me. Thnx in advance PS: If WPF is the choice, should I convince my boss to change to .net 4.0?

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• What library to choose to build a user interface for a C++ software that uses SDL

  - by Barth

  Dear all, I have a simulation software (C++) that runs on the command line. It is platform independent (currently compiling and running on Windows, MacOS X and Linux). When the simulation ends, I visualize the result with SDL; it is a very basic 2d view, mainly color squares next to each other. I would like to have a user interface on top of the simulation so that I can start and pause the simulation, and change the parameters on the fly. Something pretty simple I guess. Well, ideally I will also add a grapher somewhere to see the evolution over time of some parameters. Now, I am wondering what direction I should go. Should I try to use one of the UI libraries for SDL ? Or maybe wxwidget in conjunction with SDL ? Or simply wxwidget and get rid of SDL ? Do you have any experience with this ? Thanks in advance Barth PS: I tried to use AGAR, a SDL UI library. It seemed very promising but I couldn't get it working. Not even the helloworld.

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• How can I simplify this user interface?

  - by Bears will eat you

  I'm writing an internal-tools webapp; one of the central pages in this tool has a whole bunch of related commands the user can execute by clicking one of a number of buttons on the page, like this: Ideally, all of the buttons would fit on one line. Ordinarily I'd do this by changing each widget from a button with a (sometimes long) text label to a simple, compact icon - e.g. could be replaced by a familiar disk icon: Unfortunately, I don't think I can do this for every button on this particular page. Some of the command buttons just don't have good visual analogs - "VDS List". Or, if I needed to add another button in the future for some other kind of list, I'd need two icons that both communicate "list-ness" and which list. So, I'm still considering this option, but I don't love it. So it's come time for me to add yet another button to this section (don't you love internal tools?). There's not enough room on that single line to fit the new button. Aside from the icon solution I already mentioned, what would be a good* way to simplify/declutter/reduce or otherwise improve this UI? *As per Jakob Nielsen's article, I'd like to think that a dropdown menu is not the solution.

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