Exercises To Advance A Student Programmer On Down Time
Aug 11, 2009
Currently on an internship from my CS degree, we have some down time and I'd like to spend it working through a series of problems (although none too large) that would advance my programming skills and allow me to dip my toes in a large breadth of different topics and areas. Unfortunately, everything I do must be done in vb.net on .net 2.0, without downloading any particular libraries.I've already worked through many of the "code-golf" tagged problems on here and the programming praxis problems posed by dailywtf.
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Feb 23, 2010
How can more than one programmer work on the same project at one time? is this possible? it surely must be possible??
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Apr 19, 2010
I have created a class called Student, with five private variables: [code] My main form is divided into a number of different sub procedures. In one of them, I used a streamreader to take the first name, last name, and phone numbers of a list of records in a text file called PersonalInfo.txt. It seems to work just fine. [code] I have another, separate sub procedure in which I read a different text file containing the "averages" for the students. The first average from Averages.txt belongs with the first student in PersonalInfo.txt. The second average goes with the second student.. How do I add the student average information to the properties of the student records created in the previous sub procedure? [code] I realize why this wouldn't work, but I can't figure out how I could use my counter to reference a specific student.
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Mar 6, 2012
randomly select a single student out of the student array based on their subscript number. This will be accomplished by the following:
[Code]...
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Nov 18, 2009
What are some good exercises that an intermediate/advanced VB.NET web programmer should to do gain syntax chops on C#? I imagine some good examples would be: algorithms or project exercises that run the gamut of C# syntax,reference material,list of the key syntactical differences that VB.NET programmers should be aware of?
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Mar 14, 2011
Can anyone suggest a book or a direction for some training other than bombarding you guys with posts all the time? I'd like something geared more for teaching than for just reference. Books really aren't cheap and I'd like to just buy one if possible. Free website tips and training would be nice too. I've built a calculator for fun and my project will be more database oriented but I'd like to build more form applications.
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Oct 14, 2009
Ok a newbie question that I just can't find the answer to:I created a simple form with 3 textboxes and have a problem using a barcode scanner to read data in to the form. The scan gives me the correct data, but it appears in VB2008 express the CRLF get absorbed and doesn't go to the next text box. In fact hitting the enter doesn't do it either, while the tab key does.
If I scan to notepad, wordpad, etc. the CRLF causes the cursor to drop to the next line, so I know the barcode scanner is programmed correctly. What should I be looking for to have the scanned data cause focus to go tot the next textbox?
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Dec 24, 2010
Uploaded with ImageShack.us how can i move the highlighted listbox on the right side to the empty row(the one that is highlighted on the left side) using a button.
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Dec 1, 2009
I'm having difficulty coding for a trade discount. If the order is made more than 10days in advance the customer is entitled to 5% trade discount.
[Code]...
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Jun 12, 2012
I have some forms that are slow to open, I want to do is to show you something the user is loading, the time delay is not always the same, as is done
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Mar 23, 2010
I have written a VB.net 2010 Powerpoint addin that needs to be able to advance the slide via a button on it's main form when running the presentation. The functionality I require is exactly as if you press the space bar while focus is on the slide show window.
I have tried-PowerPointApp.ActivePresentation.SlideShowWindow.View.Next
But this does not work in excatly the same way, namely when working with several animation sequences on the same slide.I am looking into using the API - FindWindow & SendMessage but I do not fully understand the steps to get this to work, or even if it can. Or is there another way?
I am using Visual Studio 2010 RC with Powerpoint 2010 Developer Beta.
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Apr 5, 2010
I have a Datagrid with some records, this datagrid has a scroll bar. Also I have a Binding Navigator, with its buttons back, forward, insert, delete,The problem is that I dont know why I have disabled. I have looked into the Binding Navigator to enabled them, but I the property is enabled.In order to appear some records in the Datagrid, I want to appear one record and change to the following/back record with the following/back button of the Binding Navigator.
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Jun 2, 2010
I'm working on a project where I need a timeline similar to what you would see within a video editing program. Picture of my timeline - [URL]
So far, I've designed the timeline using nested pictureboxes. The main area of the timeline is a picturebox, and each track (marker and test) are children pictureboxes contained within the first. The marker dots are custom controls that are children of the marker picturebox. The idea will be for the slider to control zooming of the information in the timeline and the scrollbar to control panning of the timeline. Live data will be added to the timeline. This live data will include the marker dots and painting on the bitmap contained within the test picturebox.
I've got portions of the timeline functioning, but I'm stuck on how I should go about panning and zooming. I would like the timeline to update every second and advance the blue bar by 1 pixel every second. The problem starts when the blue line reaches the end of the timeline. Once the blue line reaches the end, I want everything on the timeline to start scrolling off the left side. What would be the best way to go about doing this and still be able to maintain the data written to the timeline? This could be a lot of data if the program runs for several hours.
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Dec 2, 2010
VB.NET, .NET 4
I am writing an industrial control front-end that has some "fancy" graphics to indicate the states of some machinery. For example, I indicate that some heaters are on by showing red wavy arrows emanating out from a picture of a heater. I accomplished this by creating a class that inherits from PictureBox and using a timer to advance the images:
Public Class AnimatedPictureBox
Inherits PictureBox
Private WithEvents Timer As New Timers.Timer
Public Property Interval As Double
[Code] .....
My question is "Is this an alright way to go about this or is there some obvious better way?" I'm not too good at programming and am worried that having several of these objects with their embedded timers taxing the CPU. I went with animated GIFs for some other animation stuff, but here, I wanted to be able to handle image formats that can handle a larger palette than a GIF (if that makes sense). In other words, when I tried to save some of my animations as GIFs, the image quality took an unacceptable hit.
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Oct 7, 2009
I was wondering if anyone could point me in the best direction to becoming proficient in Visual Basic and later maybe other languages? I work full-time as an Information Management Officer for the DoD and I am also a full-time student (CMIT Major) and father. I have to try as it is to balance my time and find ways to get programming practice in but admittedly it has proven difficult. I am currently taking my second class in Visual Basic and had a previous class in Java as well.
Next term I will be taking advanced VB but i don't feel at all like I'm very good at VB, especially not good enough to be taking an advanced class. I desperately want to become a proficient programmer and was wondering if anyone could suggest a good, at-you-own-pace program or instructional books, videos, anything, that would walk me through creating beginner, intermediate, then advanced VB programs and techniques and different ways to deploy applications created in VB?
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Mar 29, 2010
I code primarily in vb.net. I've been doing basic dependency injection manually and am looking to learn more about DI/IoC and maybe use a DI/IoC framework/container like Ninject. There are lots of examples and write-ups using Java and C# code. I'm looking for the best resources for vb.net programmers. Likewise, is there a particular framework that would be easiest for a vb.net programmer to pick up?
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Jan 13, 2010
I am looking to switch to C#. I come from a C / C++ background but C# is a little different for me. I am switching mainly because of Silverlight and MVVM; all examples are in C#. Any information is in C# and I am confused when I read through it all.
What is a good place to start learning C# when starting with existing C / C++ knowledge?
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Jan 21, 2011
For a few years I developed websites in PHP, but couldn't get a job doing this nearly two years ago. I spent a year teaching (and if your thinking of teaching, my advice is don't! In the UK anyway), but kept handing my CV out to different web development companies. One of these offered me a job, but the downside (or upside, depending on your views) that they only developed websites in ASP.NET. I made the decision for a career change and accepted the job.
In ASP.NET, you can develop in either C# or VB.NET. The guys I work with are using VB.NET, and I have to say I'm struggling with it. I can understand the basics but it just seems weird, especially as I've come from PHP. C# on the other hand, looks similar to PHP. I'm contemplating learning C# instead of VB, but I'd like to know what other peoples opinions are about doing this?
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Jan 25, 2010
How to tell a programmer he is wrong?
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Feb 10, 2009
I'm new to VB programming usually im a PHP programmer, i am advancing fairy fast on the structure, theres one thing i have been stumped on[URL]..What im trying to do is when i put the detaisl in the fields, i press save and then am prompted to save with my own extension
[Code]...
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Sep 3, 2011
I'm writing a program in VB.NET 2010 that will connect to the PICkit(TM) 1 FLASH Starter Kit's USB programmer and send it commands to turn on or off something connected to the attached eLab16m board, for example, an LED. This is all done by using the libhid.net DLL. The vendor id is &H4D8 and the product id is &H32.
Update I've written a console program that outputs what's happening. Here's the output:Where it says device with report id 0x10, I am trying to query the firmware version from the USB Programmer.Update 2 I've fixed the problem with the Wacom Bamboo tablet by uninstalling its software and drivers from my computer. The error has disappeared from the command line, but it still shows the 0x10 error.
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Apr 16, 2010
I need some basic assistance understanding how to mess with bytes. And when I say basic, I mean dumb it down for me, I'm a self taught hobbiest mostly and only spent 4 years proffessionally in development. And that 4 years was a database programmer handling the connecting, retreiving and inserting of data into various databases.
I can't honestly think of the last time I had to do anything with Bytes, but I do know that when I did, all of the functions that actually did anything were written by someone else. So start off, I've been trying to handle them like strings, and that's not working for me (you probably guessed that).
[Code]...
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Dec 13, 2010
I've been programming in C/C++ for several years and want to learn enough Visual Basic to create GUI front ends for some of my C programs & also so I know that C functions I have written can be called by VB programs that others write. I expect that the C programs would have to be turned into DLLs for this to work.
I have created some C DLLs & created other C programs that sucessfully call the functions in the DLLs. BTW I did this with Visual Studio 2010, would there be any advantages to using other versions?Can anyone recommend a book or a website to quickly get me up to speed on VB while allowing me to skip over the parts that are intended for people who are new to programming?
Many of my programs call functions from the Windows API such as CreateFile. IINM these functions can be called from VB, but it is done differently than in Visual C++, eg: in C++ Create file returns a HANDLE variable, but the HANDLE variable type doesn't exist in Visual Basic. So I'll need to learn enough about how Visual Basic uses the Windows API to pass the file HANDLE from the C functions to the VB calling program & back.
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Sep 12, 2011
A job recruiter asked me if I could take over writing code for a device that uses Windows CE. He didn't know much about it except that he thought the previous programmer was using Visual Basic, and he thought it might be Visual Basic.NET, along with SQL Server. I'd like to take over this programming job if I am qualified, but I don't know if I am. I have developed code using VB.NET, C#.NET, SQL Server for standard Windows. I used .NET to build programs that run on Windows desktop, and also the WPF platform. I also built ASP.NET and Silverlight programs for the web. In addition I have written programs that interface with machinery using serial and TCP coimmunications.
Would I be able to get up-to-speed on taking over the coding of a program that targets Windows CE? Does Windows CE allow .NET managed code or just C++ and VB6? Would it be advisable to try to get this job or would taking it lead to problems and disappointment?
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May 31, 2012
I would like to learn a new programming language to be able to compile the same code for different platforms.
My background in programming: VB.NET (I have been using it as my main language for the past 3 years), some Java (to which I couldn't really adapt) and very limited PHP. I use a Mac Book with OS X to code.
I'd like to find a PL with a very easy learning curve from VB.NET, cross-platform IDE and able to compile the same for Windows, Mac and Linux.
I am a beginning programmer, so a object-oriented, .net like language is probably my best bet.
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Jan 12, 2010
I'm thinking of trying to learn VB 2008, and I was wondering if there's an online guide or tutorial to get going from the ground up - from the perspective of a former long-time VB6 user (makes it a bit easier to relate functions in VB 2008 and how they replace older functions in VB6)?
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Mar 22, 2009
I've declared a class called WindowIDNamePair in which I associate the hwnd of a window with the window's text. (See end of this post)
I've declared an array of type WindowIDNamePair as follows:
Private windowList(0 To 500) As WindowIDNamePair To test the array and class I'm doing the following:
windowList(0) = New WindowIDNamePair(1, "a")
windowList(1) = New WindowIDNamePair(2, "b")
windowList(2) = New WindowIDNamePair(3, "c")
[Code]....
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Aug 26, 2009
In my friends company the management brought up the topic of moving in the WPF to design rich UIs. Majority of the employees of the company are programmers and only 3-4 graphic designers. The management wants to train the graphic designers with WPF so that their graphics skills could be applied in creating UIs. However, programmers have a mighty obligation for this. They have written several complaints to the management that WPF is not just Graphics but it has programming in XAML. SO the programmers wants to take over UI design as well (in the past programmers did the UI part as well)...... I'm a programmer therefore i'm with the programmers.
What would be the most suited solution for my friends compnay, should they move the graphic designers the WPF or should they train the current programmers to design UIs in WPF?
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Jul 27, 2009
I am an experienced vb6 programmer, even completed MCSD cert back in 2000. I have done alot since then, and I am thinking about learning vb.net where should i get started? From what I have seen briefly, the ADO is some of the biggest change from vb 6
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Mar 16, 2009
My objective is to add a student's name to a combo box, in proper mixed-case, no matter how the user enters the name.
When any of the following examples are entered:
jones, carl
SMITH, IDA
bLACK, dEVIN
Johnson, Eric
[Code].....
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