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Java code for getting current time [duplicate]
...va.util.Calendar;
public class currentTime {
public static void main(String[] args) {
Calendar cal = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
System.out.println( sdf.format(cal.getTime()) );
}
}
You can format SimpleDateFor...
How to call a parent class function from derived class function?
...t B1 {
void mf(int) {}
};
struct B2 {
void mf(short) {}
void mf(char) {}
};
struct D : B1, B2 {
void mf(short) {
__super::mf(1); // Calls B1::mf(int)
__super::mf('s'); // Calls B2::mf(char)
}
};
...
What happens if I define a 0-size array in C/C++?
...
The one use I know of is to trigger a compile time error from a boolean:
char someCondition[ condition ];
If condition is a false, then I get a compile time error. Because
compilers do allow this, however, I've taken to using:
char someCondition[ 2 * condition - 1 ];
This gives a size of ei...
Short form for Java if statement
...
Won't String cityName = city.getName(); throw a NullPointerException if city == null? I'd therefore say your middle solution is definitely the best (PS and I approve of the 'unnecessary' parentheses! People need to remember that 9...
MySQL LIKE IN()?
...like FIELDNAME LIKE '%%', how to use it with regexp, so that when an empty string is passed. it should fetch all the records..
– shzyincu
Jul 28 '16 at 14:09
...
How to implement a queue using two stacks?
...
C - 3) Demo Code
public class TestMyQueue {
public static void main(String[] args) {
MyQueue<Integer> queue = new MyQueue<>();
// enqueue integers 1..3
for(int i = 1; i <= 3; i++)
queue.enqueue(i);
// execute 2 dequeue operations
...
Unicode characters in URLs
... to prevent phishing. Displaying non-ASCII characters in the path or query string part does not create a similar vilnerability. IE simply didn't bother to implement it. (And Firefox is the only one that implemented it for the fragment part as well.)
– Tgr
Jul 4...
Creating a comma separated list from IList or IEnumerable
What is the cleanest way to create a comma-separated list of string values from an IList<string> or IEnumerable<string> ?
...
Where should signal handlers live in a django project?
...r that - good to know. I'm logging all logins using this method (recording IP / user agent), and haven't had any duplicates so far - although that doesn't mean a small change down the line won't cause a problem!
– Hugo Rodger-Brown
Apr 23 '13 at 10:01
...
How can I output the value of an enum class in C++11
...;< together, with the error error: cannot bind ‘std::basic_ostream<char>’ lvalue to ‘std::basic_ostream<char>&&’. this appears to be because when the stream is temporary, the ADL fails, and the above template is not a possibility. any tips?
– of...