I am currently making a little program for a school carnival.It contains a timer linked up with a USB controller with eight buttons (physical) attached to it. I now want to be able to take the times it produces, sort them and add the place of that runner.
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I know that title is kinda miss leading, but i couldnt figure out another way to explain it. I know theres a way, but I dont know how to do it.Ive got a Save code that I have about 5 differnet times in my application. How do I make it so that I can just type in something like Do Save, and it locates the save code and follows it through, then returns to where it was.
View 3 RepliesI am in a programming class, and am one of the best students in it, I even went to a state programming contest. One of the problems was to enter 6 race times and have it display the times back in order of which were fastest and their place such as
imput
11
15
12
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I been having trouble with my code for week can i please get some advice on how to make my code work. it keeps saying that .[code]...
View 6 Repliesso i got a program that i wanna derive in. like this:you right in this x^4+x^2-4x+8 and then the program will derive it to 4x^3+2x-4..how do i do that? like this x^4+x^2-4x+8 and then doing this 4x^4-1+2x^2-1-4x-x+8-8..how do i find the places to add and then drawing -1 to the right places?
View 3 Repliesi have a for loop retrive me sum of colums but i need to pass these values in array list to caluclute sum of each sport type
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Problem: Using the sub routing below, when adding a value to another value the results eventually change from 2-decimal places to multiple decimal places.Basically, the amount stored should always only be 2 decimal places, because the values passed in are always 2 decimal places. Output from calling the sub routine multiple times.
Running total = 329430.75
New Withheld Amount = 710.79
Running total = 330141.54
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As a workaround, I have a new routine that uses a custom round function to properly store only 2 decimal places - as the VB round function does not perform the type of rounding desired.I understand that we are removing the value from the dictionary and adding it back..
I want to enlarge an image, possibly up to 32 times or 64 times bigger than original dimensions (so that the user can see each pixel) if possible. The following is a simple function that I have to enlarge an image.
Private Function xEnlarge(ByVal Source As Image, ByVal Rate As Double, Optional ByVal Quality As Drawing2D.InterpolationMode = Drawing2D.InterpolationMode.HighQualityBicubic) As Image
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I'm having my program sort an excel sheet by a few columns. However, it is only sorting by the first column not the rest that I specify.ere is my sort code below:
myRange.Sort(Key1:=myRange.Range("A:A"), Order1:=XlSortOrder.xlAscending, Key2:=myRange.Range("G:G"), Order2:=XlSortOrder.xlAscending, Header:=XlYesNoGuess.xlYes, Orientation:=XlSortOrientation.xlSortColumns)
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I have a WPF ObservableCollection which is bound to a ListBox and I have a Sort() method which when called will convert the ObservableCollection to a List(Of T), and undertakes a sort based on a date/time column within the collection.
The data is sorted, even when new items are added to the ObservableCollection, however the date/time isn't being correctly sorted. The data is sorting based on the date however it is very much random when it comes to the time portion. The following is an example of the outcomes I am experiencing:
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Is there anything that I am doing incorrectly in this method that would cause the time portion not be included in the sort? Is there a better way of doing a sort?
I have just started using vb.net and I have a checked list box with times throughout the day shown as
00:00 - 00:14
00:15 - 00:29
00:30 - 00:44
00:45 - 00:59
What I am trying to find is a way to get the current time and find which list item it fits into. What I think I need to do is to first of all get the current time and then go through the list splitting each item into 2 times and seeing if the current time fits. For example: Split the item 00:00 - 00:14 to 00:00 and 00:14 and then check if the current time is more than 00:00:00 but less than 00:14:59 and if so do certain task.how to go about taking each list item and splitting it into 2 separate times so I can check between them?
I am trying to write a code for a curency convertor.The result from multiplying the amount by the exchange has to be to 2 decimal places in order to convert it into Pounds and Pence.
Dim Currency As String
Dim Exchange As Decimal
Dim Amount As Integer
Dim Result As Decimal
Currency = txtCurrency.Text
Exchange = txtExchange.Text
Amount = txtAmount.Text
Result = Amount * Exchange
lblOutputMessage.Text = Result
Mod Edit: When you are posting code please use code tags like this.
I recently upgraded my PC and software from XP 32-bit to Windows 7 64-bit. I'm using VS 2008 and SQL Server 2008, and I write code in VB.Net. I'm interested in compiling my code in 64-ibt. Under Visual Studio, I see three different places to specify which CPU to compile under: 1. In Solution Explorer, click 'My Project', then Compile->Advanced Compile Options->Target CPU.
2. On VS menu, Build->Configuration Manager->Active solution platform.
3. If #2 is set to x64, then in Solution Explorer, click 'My Project'->Compile, and at the top, Platform (if #2 is not set, the only option available here is Any CPU).
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Using Visual Studio I'm using TextRange processing a word at a time, parsing for figures and minus values etc. All of which works. However I have to honour the original number of decimal places in the figures, even though they may be 0's.ie -1219.0 and 1219.00 are both valid inputs the valid outputs would be(1,219.0) and 1,219.00, I can't just use tostring and stamp all of them as "N2" etc).I have to format including retaining the trailing 0 if necessary.I can use "#,##0.######" but that removes trailing 0's... ie both above example would be changed to 1,219 pos or neg.
View 2 RepliesThe only programming language I know is C++, and I would like to learn some others, specifically Visual Basic. So — what are some good beginners tutorials for VB, and what others languages would you suggest are good ideas to learn?
View 5 RepliesHow can I convert the Tax in the following code which is Double to a two decimal place figure[code]...
View 8 RepliesHow do I check how many decimal places does a number have in VB.net?
For example: Inside a cicle I have an if statement and on that statement I want to check if a number has 4 decimal places (8.9659)
I used math.round(decimal, 2) in the hope that it would give me two decimal places.
But when the last digit is 0 VB 2008 doesn't display it. I get "1.3" instead of "1.30"
How do I force it to give me 2 decimal places in the rounding from the decimal?
My computing teacher challenged me to write a console program in Visual Basic.NET which would calculate π, AKA Pi, to 14 decimal places. I contemplated various algorithms, then settled for a variant of Leibniz's series which would converge rapidly whilst being simple to implement.After about 30 minutes or so of programming I had finished my program which could generate the first 14 decimal places of π in a mere 27 iterations, below is the source code:
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However, to my dismay, I soon discovered that this was all my program was capable of because of the IEEE specifications for numbers, although I've heard of people generating π to thousands of decimal places using unmodified Personal Computers so if you could tell me how I should modify my code to work around this to generate say 500 more decimal places.
I want to format a number ex: 279388242 output 2,793,882.42
View 1 RepliesAt the end of a calculation Pweight stores a number, I need to format this number so that it only shows to 2 decimal places.. I have tried this:
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This actually seems to make it miss calculate, so I've put it back to Pweight.ToString() and left it at that but I get around 12 decimal places.
I have designed a unit converter that converts between different units. The value and unit to be converted from are entered in the first text box, for example "1 km" and the unit to be converted to is entered in the second text box. Then after pressing the calculate button, the new value will be displayed in the second text box as the output. By default the output will be specified to two decimal places. However, if the input has any number of decimal places, for example "1.045 km" the output should be displayed to the same decimal place, in this case 3.Displaying the output to two decimal places was easy enough to figure out, I just used:
FormatNumber(finalValue, 2)
But I'm completely stuck on the other part however and I'm wondering if anyone here has any suggestions. I thought about doing something like this:
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I've got a map of the country I reside in and have all the railroad stations marked out. i've got all the co ordinates for each station and distances from one station to another.My question is what would the best way be to get the shortest distance between two stations, keeping in mind that one station may run through many others and there is more than one way to get there. See pic attached
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I want to make a link from what the user filepath that is given from an openfiledialog. But I can't get all the quotes in the right places
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I've been trying get rid of decimals on a number, but I need the whole number, so I can't have it rounded. I've tried .ToString and Format(), but without any luck.
View 3 Replieshow you can get the places bar-style interface in an OpenFileDialog window? So far (from what I've read) it appears that OFDs in XP have it by default, but in Vista and 7 they don't. So how can I get that OpenFileDialog interface backin Windows Vista/7? Or am I just mistaken and it's not a XP/Vista/7 problem at all and I'm missing a point?
View 1 Repliesvery very inexperienced programmer here. just trying a practice program and it downloaded 4 Vb files;FRX file, VBP File, VBW File and FRM File.
i've gathered VBP is the project and FRM is the form and put them in the right places (i think) from what ive read from this thread[URL]...FRX and VBW locations? also it was originally created with Vb5 or Vb6 but will it work with my VB2008?
I am making a conversion program. When I try to convert 6 mm to km for example, the output number says 6E-06. Here is the line of [code]...
View 8 Repliesi am trying to make a coin toss program where you toss a coin a certain number of times then repeat it a certain number of times.
the problem i have is "heads(counter2)" the word "heads" has a blue error line under it how do i sort the error out and also is all the code right
Public Class Form1
Dim tosses, repeat, heads As Integer
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
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I have a field in datatable .If 1000 is the value in it, i want to display it as 1000.00.Then if user changes to 1000.50 it should display as it is.Is there anyway to do this?
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