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C pointers : pointing to an array of fixed size
... an array to a function is by using a pointer-to-array parameter
void foo(char (*p)[10]);
(in C++ language this is also done with references
void foo(char (&p)[10]);
).
This will enable language-level type checking, which will make sure that the array of exactly correct size is supplied a...
Java `final` method: what does it promise?
...calculated value derived from those attributes. A good example is the Java String class.
Reliability and Contract -- Objects are composed of primitives (int, char, double, etc.) and/or other Objects. Not all operations applicable to those components should be applicable or even logical when they are...
What are C++ functors and their uses?
...rom class method, actually this is a delegate:
class SomeClass
{
std::string state_;
public:
SomeClass(const char* s) : state_(s) {}
void method( std::string param )
{
std::cout << state_ << param << std::endl;
}
};
SomeClass *inst = new SomeClass("Hi,...
Check string for palindrome
...
You can check if a string is a palindrome by comparing it to the reverse of itself:
public static boolean isPalindrome(String str) {
return str.equals(new StringBuilder(str).reverse().toString());
}
or for versions of Java earlier than 1...
How do malloc() and free() work?
...
@Juergen But when free() read extra byte which contain information how much memory allocated from malloc, it get 4. Then how crash happened or how free() touch administrative data ?
– Undefined Behaviour
Aug 5 '16 at...
How to send parameters from a notification-click to an activity?
...in);
// extract the extra-data in the Notification
String msg = extras.getString("NotificationMessage");
txtView = (TextView) findViewById(R.id.txtMessage);
txtView.setText(msg);
}
}
}
...
Does use of final keyword in Java improve the performance?
...ically, which may in the end result in faster code. For example, the final Strings a + b in the example below are concatenated statically (at compile time).
public class FinalTest {
public static final int N_ITERATIONS = 1000000;
public static String testFinal() {
final String a =...
How can I get the version defined in setup.py (setuptools) in my package?
...
Interrogate version string of already-installed distribution
To retrieve the version from inside your package at runtime (what your question appears to actually be asking), you can use:
import pkg_resources # part of setuptools
version = pkg_...
Display two files side by side
...xt two.txt does a better job than paste one.txt two.txt and removing diffs extra chars that are displayed with sed is trivial comparing with writing/remembering an awk script. Even with both as functions in .bash_rc longer != better, more readable, faster.. what is the advantage here?
...
How to add a line break in an Android TextView?
...ot mentioning the other change you made which was adding quotes around the string.
– Patrick
Mar 26 '15 at 18:51
2
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