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How do I find the location of the executable in C? [duplicate]
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To summarize:
On Unixes with /proc really straight and realiable way is to:
readlink("/proc/self/exe", buf, bufsize) (Linux)
readlink("/proc/curproc/file", buf, bufsize) (FreeBSD)
readlink("/proc/self/path/a.out", buf, bufsize) (Solaris)
On Unixes...
Difference between if () { } and if () : endif;
...os in your code. For example, in my .phtml files (Zend Framework) I will write something like this:
<?php if($this->value): ?>
Hello
<?php elseif($this->asd): ?>
Your name is: <?= $this->name ?>
<?php else: ?>
You don't have a name.
<?php endif; ?>
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How can I know which parts in the code are never used?
...me paths or variables are unused (or used but in no meaningful way, like written but never read)
the global one: functions that are never called, global objects that are never accessed
For the first kind, a good compiler can help:
-Wunused (GCC, Clang) should warn about unused variables, Clang u...
How to properly stop the Thread in Java?
...essor class you need a way of setting a flag which informs the thread that it will need to terminate, similar to the variable run that you have used just in the class scope.
When you wish to stop the thread, you set this flag and call join() on the thread and wait for it to finish.
Make sure that ...
What's the difference between passing by reference vs. passing by value?
...wer meaning than the general term "reference" (because the phrase predates it).
Now, the authentic definition is:
When a parameter is passed by reference, the caller and the callee use the same variable for the parameter. If the callee modifies the parameter variable, the effect is visible to t...
How to add some non-standard font to a website?
Is there a way to add some custom font on a website without using images, Flash or some other graphics?
18 Answers
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Print in one line dynamically
I would like to make several statements that give standard output without seeing newlines in between statements.
20 Answers...
Why is it not possible to extend annotations in Java?
I don't understand why there is no inheritance in Java annotations, just as Java classes. I think it would be very useful.
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When to use ref and when it is not necessary in C#
...nctions that I pass the object to to modify the state. I have been passing it by ref to the worker functions. However I came across the following function.
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return statement vs exit() in main()
Should I use exit() or just return statements in main() ? Personally I favor the return statements because I feel it's like reading any other function and the flow control when I'm reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return...