29 Discussion / Question Topics
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Hello Daniweb Community, I was wondering if anyone could help or point me to a good tutorial on how to use Google Authenticator in PHP. |
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I've made a rectangle with another 3D point inside. The rectangle is textured with an image. Now, I need to move the point that is inside the rectangle to another 3D position. Does anyone knows how this is possible? The only way I found, that is no good for what … |
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The expected outcome dosent agree with result. Following is the code snippet. int a,c; a=10; c=0; c=(--a)+(--a); printf("C: %d", c); printf("\nValue of a: %d", a); I expected C to be 17 i.e (9+8), but it comes out to be 16. And a becomes 8 as expected. When expression is changed … |
Hi, i'm trying to use an `AffineTransform` to transform a point to pixels on a 400x400 canvas. What kind of transform would you use? For example: given the points (-1, 1) --transform--> (0, 0) (pixels) (1, 1) --transform--> (400, 0) (pixels) (-1, -1) --transform--> (0, 400) (pixels) (1, -1) --transform--> … |
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The following piece of code outputs 0.1000000000001 float a=0.1; printf("%lf",a); But if I add a 10 times as long float b=0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1; printf("lf",b); It outputs as 0.999999999999989 But if a=0.1 is stored as 0.1000000000001 then the answer should be greater than 10 due to the 1 in last column.Then why is … |
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Hi! I have a Edimax 7612UAn V2 USB Adapter and I don't now how to use it as an acces point. I'm using Linux Mint. By default it doesn't work as a acces point. Is there any way to put it in Master mode? I want to create a wireless … |
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Pros: HARDCORE COVERAGE! Easy installation Lots of options dual band USB sharing 4 guest networks per band fast nice setup menus that look good and easy to navigate lots of security support connections are solid Cons: only thing is lack of print server, other than that it's perfect. Other Thoughts: … |
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I wrote a short program to factor numbers, and it works in most cases. The problem I am getting is that when I use a very large number I get "Floating point exception: 8." I am assuming that I am trying to divide by 0 on line 43 or 46, … |
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I have a wireless access point. I can connect to it just fine. I can go to Google and I can type in a search, however I cannot GO to the searches result links at all. I've tried IE and Firefox and both the same. I can search for something … |
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#include<stdio.h> #include<conio.h> void main() { float a[5][5],x[3];float t,s; int i,j,k; printf("enter a matrix of order 3*4"); for(i=0;i<3;i++) { for(j=0;j<4;j++) { scanf("%f",&a[i][j]); } } for(i=0;i<3;i++) { for(j=0;j<4;j++) printf("%f ",a[i][j]); printf("\n"); } for(i=0;i<=1;i++) { for(j=i+1;j<=2;j++) { t=a[j][i]/a[i][i]; for(k=i;k<=3;k++) a[j][k]=a[j][k]-t*a[i][k]; } } printf("The upper triangular matrix is as\n"); for(i=0;i<3;i++) { for(j=0;j<4;j++) printf(" %f",a[i][j]); … |
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Hello, I am very new to C and having the hardest time with arrays. I am attempting to find a pivot point in a sorted array for example { 1 2 4 5 9 } might become { 5 9 1 2 4 }. I am thinking it should be … |
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I own a small computer business and have for almost 10 years now. We have used just a basic POS system and i am looking to replace it with something more oriented towards my type of business. Specifically something that in addition to taking care of my POS needs, be … |
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how to find the radius using the center point only... the only given point is the center point... how to get or calculate for the radius... |
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Hello all, I'm having trouble getting google to give me anything useful because I don't know the name of the algorithm I'm looking for. ![line_types](/attachments/large/1/line_types.png "line_types") This image shows different ways of connecting two points together, A is just plain lines, C is bezier curves but what is the algorithm … |
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Hi Frendz, I have a set of polygon points on google map. I need to find whether the given input point is lying inside of the polygon or not? If anybody found articles related this please guide me. And also i need the same with poly line. |
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Hi! I have a decimal number (e.g 6433) and would like to see the process of converting this to IEEE short real floating point format! Any help is appreciated ;) |
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I started writing this code as practice for my Computer Science class. The goal was to help with structs and arrays. But I have come to a problem. The file will compile, but returns a message saying "floating point exception." Doing research I see there could a few reasons, but … |
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Heya guys, basically here is some code for a simple example program: [CODE] unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ExtCtrls; type TForm1 = class(TForm) img1: TImage; procedure FormCreate(Sender: TObject); private { Private declarations } public { Public declarations } end; var Form1: TForm1; … |
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Hello All ! I'm trying to write a Robot Class who have several methods. One of its methods is move() that move the robot the direction his looking at, one step ahead. I'm getting an error on this: [CODE]switch (Direction) {[/CODE] If some one can help me find the mistake, … |
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Hello again! I'm having trouble trying to double the value of my coordinates in my point. The object is to create a pair of eyes and their position is identified by clicking a point in the graphic window which would allocated the centre of the left eye, and the second … |
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Hi everybody, I have been having trouble with the output of a set of points for my triangle program. When I run my program, it outputs in the end "triangle1 coordinates: Vertex A is java.awt.Point[x=12,y=13]" and I have no idea how to format it to hide the "[B]java.awt.Point[/B]" part. Any … |
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Problem: solve the following Source of SHORTEST DISTANCE path of A,B,C,D,E,F,G. I already did link the strings of dots of ABCDEFG and made a polygon which is the other objectives, my only problem now is calculating the source of the shortest distance part of A,B,C,D,E,F,G. Am using net beans. Guys … |
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Hi Frendz, How to check whether the given point(latitude,longitude) is in polyline or not using php? I have set of latitude and longitude points of polyline in my database. |
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How to add control for marking area using points,lines and polygons on google map and how to store that area in mysql db? Becoz i need to give alert message when my vehicle cross that area in my vehicle tracking system. |
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working on a 32bit architecture and i'm adding two arrays together slot by slot into a third array so if I have 3,4,4 and 4,4,4 in the arrays the third array should contain 7,8,8 at the end of the function I was able to pass in the arrays correctly and … |
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Hi.. how to calculate distance between two points.. each point have a coordinates (x,y). please help.. |
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I am receiving my secure WiFi from a distance and would like to set up an access point to strengthen the signal at the receiving point. My current setup is a D-Link Randbooster wireless N Router with WAP security. My Belkin wireless N router has the ability to be set … |
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I am trying to save a form location to a database whenever the LocationChanged event is triggered on that form. [code] private void DisplayForm_LocationChanged(object sender, EventArgs e) { DSLocation = this.Location; ((Form1)this.MdiParent).NotifyChanges(this); // notify parent form that there are changes on this child } childForm.Location = StringToPoint((string)row["location"]); [/code] DSLocation is … |
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Dear all, I would like to buy one or two (if needed) wifi access point for my lab. The lab hall is about 50 meters long and there is a concrete wall in the middle. This is mainly to give an internet connexion (so no huge file transfer). Would it … |
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