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169 Posted Topics
 | 1.Does a Router also have a MAC address or just IP? 2.how does a router recognize a Switch because switches don't have IP address? 3.is it using the MAC? if so do routers deal with both network and data link layers? thanks  |
 | Re: C++ Books Can someone tell be what is the best book for extreme beginners? better if it has coding exercises at the end  |
| | why do most people use brackets in this way when it comes to Java. Pospular IDEs also use this method by default class Test{ public void test(){ } } than this way class Test { public void test() { } } The second method is obviously easier to read.  |
| | A class gets a rapidly changing integer from another class. As it changes so fast, I wanted to perform an action only when this number is stabilized. Like if the method receives the same integer value during 3 seconds, then perform an action, otherwise ignore it as it changes too …  |
| | How to draw a convexthull and a polygon around the hand in this tutorial. I found this tutorial in JavaCV how to detect a hand gesture. But it doesn't show how to draw the convexhull or a polygon around the palm. Can someone tell me how to do that in …  |
| | 1. An assembly instrction is converted into binary, also known as the machine code by the assembler. And it contains only 0s and 1s yes /no? 2. Then, the microcode handles the 1s and 0s of the assmelby instrcution that was convereted before. Yes or no? 3. Does the processor …  |
| | Tried to run ServiceServerImpl.class with rmic and got this error. Below is the command prompt text pasting. "C:\Program Files\Java\jdk1.7.0_21\bin>rmic.exe ServiceServerImpl error: File .\ServiceServerImpl.class does not contain type ServiceServerImpl as expected, but type serviceserver.ServiceServerImpl. Please remove the file, or make sure it appears in the correct subdirectory of the class path. …  |
| | well...nothing is purely oop or procedural. But some have more support for oop concepts and doing oop stuff. Java has many classes that supports oop porgramming methods which makes the programmer's life eay. So many say it is an oop language. You can write programs in procedural way in Java …  |
| | 1. It could be an add-on you installed on the Chrome. uninstall the add ons. the ones you do not know. 2.It could be a virus. Scan for the viruses. 3.Your PC is being controlled by a ghost (this is unlikely) |
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| | JNZ checks if the Zero flag is set or not. How does it really check it? more assembly instructions? I thought Assembly doesn't hide anything. |
| | I have a laptop with win 8. I can access localhost locally but when I type the public IP address then it doesn't work. I tried changing Apache to port 81 and still the same result. I use a HSDPA modem with a SIM card to connect to the online. …  |
| | Android S3 is the best if you use it for multiple purposes includeing entertainment. there are lots of apps for android out there you can convert your phone into almost anything. go to play.google.com and you can see them. Nokia is doesn't have as much as good apps like that …  |
| | make sure your battery is ok too. Go to the battery meter and check battery helath. It should show if the batter is ok or not. This can also be a bettery's problem, not just the adapter. check the battery first .  |
 | 1.Use HDtune to scan for bad sectors of the HDD. you can fix them using scandisk later. Just tell us if there aare any RED spots. 2.You might have a lot of viruses. I assume you do not have any anti virus? if you do what is that? I recommend … |
 | Re: button Well, the best way to do that is this as I see. You can have many buttons like Update,Delete,etc.. and give them seperate names on the same HTML or JSP page. Then you have to submit those value(names of the buttons UPdate,Delete to another JSP page or a Servlet page …  |
| | don't you think this is an extra double quotation ? insert into table1 (" <<<< You have "-" in "E-mail address" . Remove it from the SQLtable column name as well as from the SQL command in java code. Also spaces like "Contact<space>Number" in a column name gives many troubles … |
| | Re: for help You have to use Jquery and JavaScript (client side languages) to achieve that. Google is the best help for you. That is how I also found the same thing. OR Youtube . That is not a very easy thing that can be exaplined here easily in few sentences unless you … |
| | Actually it is better than thte windows 7. Startup and shutdown times are greately reduced. The biggest problem is that macro style. That is really a botheration. you will find a significant reduction of dialy updates which is a good thing, unlike windows XP,7 etc.. . Other things are pretty …  |
| | This should change the images and image maps then highlight them. But image maps don't seem to be working and higlighting doesn't work either, after clicking on the "go right" link at the bottm. How to make them work? http://www74.zippyshare.com/v/54618428/file.html |
| | I have javascript:- when we click on the 'home' link it shows home stuff,then when we click the 'about' link it shows the about related things. How to make this only to have one button and that 1 button should be able to change links on clicks. Here is the …  |
 | No, but you have to choose a same on as your one that has the same type like DDR(2 or 3) . And the bus speed should also be the same. Those are the main two parts to consider |
| | I have used a javascript to rotate an image. when I add a image map area to the images, it won't show up on the rotating javascript. I have Javascript rotating and image map on two html filles now. Can I cimbine? so I would get an image map with … |
| | usually we can get X,Y coordinates in java applications. I want to get the x,y coorsinates of a given flash file in a jsp page usibg java? how can I do it? |
| | I OS stoppped loading then I found out there were bad sectors. I fixed them and resintalled windows 7(to C:,same old partition). I am moving to Widnows 8. So should I install the new OS on a different partition? (I am getting rid of Windows 7). CHKDSK fixed bad sectors. … |
| | If I write an asembly program to a one CPU, will it also run on the other brand? What CPU is faster?Intel or amd (let's say both are 2Ghz processors. ) |
| | how does these facebook numbers([[298356516884232]] ...many like this) make "images" together? black and white images like trollfaces ,recently there were coloured images too. any idea? |
 | Why do you say it is a virus? what happens when you try to install? what are the programs you tried to install? usually windows XP CD will give you an option to repair if you boot from the CD . No need to buy a seperate CD to repair |
| | How does a 1-10 simple number generator work? |
| | like sqldatadapter qwerty=new sqldataadapter(); how is memory allocated? |
| | I know that if 1 and 0 goes through an OR gate, it gives 1. But how does the 1 come? how it works? thanks  |
 | what do you mean? what do you see last on the screen? Does the fan turns on for a sec and then turns back off?  |
| | an we add a skin to C#.net software we develop?  |
 | you can boot from the Windows DVD and go to the repair option from there.  |
| | http://oi45.tinypic.com/wtzrd4.jpg  |
| | LEt's say there a certain phone number format. If someone types the correct format,it shows ok,if not it shows an error. I have done this but it only checks after user moves to the next textfield (onblur action). is there something like 'onButtonPress' or something |
| | Remove the HDD. Plug it into another PC. Install the OS then reinsert it to the old one.  |
| | 1.what is the Visual studio c++ run time environement that is asked to be installed when running programs? Is it the CLR? 2.Can we use the same CLR for every .NET language? 3.I get that languages are first compiled into an object file and then interpreted into machine language by … |
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 | Do not use IE. USe google chrome, Firefox. IE is trouble |
 | Did you take a look into the motherboard's user manual? what is the problem ? exact problem  |
| | What is the best encryption system now?un crackable of course. And why do many people use SHA-2 ,MD5? also what is the most pipular one too?  |
| | If we open a lot of program and fill up the RAM, does this mean more ram usage equals more power consumption? |
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| | int sel = int.Parse(0+dataGridView2.CurrentRow.Cells["invoice_ID"].Value.ToString()); string sql = "DELETE FROM invoices WHERE invoice_id="+ sel +""; DBConnection myCon = new DBConnection(); myCon.EditValues(sql); //mycon.EditeValues(sql) has all the sqldata reader,executenonQuery cmd the error's arrow points out to the first line which is "int sel............".  |
| | Is TCP/IP protocol set of all the devices like Windows,Mobiles,Linux,Unix,MAC OS same?identical? I mean is the TCP/IP protocol's source code in each OS same?no changes at all? 2. If we connect different types of PC running different OSs like, Linux,Mac,Windows or mobiles that run Symbina,Andorid,Java OS etc..(let's assume phones can …  |
| | Let's say I have 3 text boxes called item_name,item_price,item_type. And there is a listbox that has the item_name and another list box that has item_price, another one with the item_type. Let;s say we want to click on the item_name. After clicking on the item_name list box's first item. how to … |
| | I can't find the error. Logical error. Total and tax comes as 0. After logging in,enter a desired item number. press 0. then total comes as 0. #include <iostream> #include <conio.h> #include <string> #include <cstdlib> using namespace std; void mainfunc (); void Exit(); struct menuItemType {int itemno;double price;string menuItem;}; void … |
| | using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Data.SqlClient; namespace Dbconnection { public partial class Form1 : Form { public Form1() { InitializeComponent(); } SqlDataAdapter da; SqlConnection con; DataSet ds1; private void Form1_Load(object sender, EventArgs e) { con = new SqlConnection("Data … |
| | using Visual Studio ? Also, Is there a different name for classes in C# when it comes to Java? is an object in Java and a method in C# similar? |
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