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Are negative array indexes allowed in C?
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That is correct. From C99 §6.5.2.1/2:
The definition of the subscript
operator [] is that E1[E2] is
identical to (*((E1)+(E2))).
There's no magic. It's a 1-1 equivalence. As always when dereferencing a pointer (*), you need to be sure it's p...
Listing all permutations of a string/integer
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158
First of all: it smells like recursion of course!
Since you also wanted to know the principle, ...
Print “hello world” every X seconds
...mer.schedule() method..
Here's an example, which prints Hello World every 5 seconds: -
class SayHello extends TimerTask {
public void run() {
System.out.println("Hello World!");
}
}
// And From your main() method or any other method
Timer timer = new Timer();
timer.schedule(new Sa...
JPA - Returning an auto generated id after persist()
...stions/31362100/…
– bl3e
Jul 22 '15 at 5:45
Is there a performance penalty (or any other negative effects) of manual...
How to detect a loop in a linked list?
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25 Answers
25
Active
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Get Root Directory Path of a PHP project
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For PHP >= 5.3.0 try
PHP magic constants.
__DIR__
And make your path relative.
For PHP < 5.3.0 try
dirname(__FILE__)
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Why does the expression 0 < 0 == 0 return False in Python?
...parisons easy to express. It's much nicer to be able to say 0 < x <= 5 than to say (0 < x) and (x <= 5).
These are called chained comparisons. And that's a link to the documentation for them.
With the other cases you talk about, the parenthesis force one relational operator to be appli...
What is the significance of load factor in HashMap?
... and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it.
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Remove border radius from Select tag in bootstrap 3
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256
Here is a version that works in all modern browsers. The key is using appearance:none which rem...
How to animate the change of image in an UIImageView?
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