I am a novice web developer. I write codes in JSP and add CSS to format my webpage. But when I see other websites, their User Interface is very different and advance. Can anyone tell me, how can I improve User Interface of my website, so that it will have a professional look?

Is there a way to write an antivirus in php ? where to start ? i don’t actually want it something big like Avira ,Norton of course not but i want to create a file upload script that checks the file i

I have this code
print “/ *”, your_name.upper () “* /”;
your_name where the data entered by the user. How can I change the above code to tell the system, remove all spaces

UPDATE: When I print the code, I will
/ *! your_name * /

I want / remove spaces between Whit *! your_name * /

Is it possible to disallow direct access to a PHP file and allow the access only if it's redirected from other PHP file? For example, access to loading.php should be only allowed if it's redirected from example.php page. How how can I do that? I hope you understand what I mean. If not, please ask me, and I will try to explain better.

I need a code to see a pyramidal structure create printed pressure entering the last full user. (I have an example of a completed below). I'm new to programming, i can enjoy, but stuck in this problem.

1

222222

33333 33333 33333

4444444 4444444 4444444 4444444

Everyone knows please help me.

How is both translated as compiled languages ​​into machine language faster assembly. I am about to be really compiled languages ​​are spoken in native code not C # or Java, which translated to an intermediate language that is compiled by a software interpreter, etc. and then compiled into native code .

I recently learned C # and I am interested in .Net, but I do not know where to start. I know .NET is just a bunch of libraries and can be used for web programming. I’m not quite sure I need to learn which areas of the net, I do not know what I’m doing with .Net , but I want to learn. What other things can be achieved with .Net

If we do not use destructor in the code, the program still works fine but I need to know why always we need to write destructor when there is a dynamic memory allocation in program. Does memory leakage occur in this case ? If so then what does default constructor do ?

I am using visual studio and working on a project in C++. I am having issue that when I compile the code two or three times after that when i make changes in code.It does not shows any change after compilation. please help because I need to restart the visual studio every time when i get this problem.

I am making a website and using java script extensively. I need to find the script tag in file every time I need editing in script tag. Can i use script tag outside the head. Also tell me if I can use script tag anywhere does it makes any change in processing. Please help. Thanks in advance.