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Way to get number of digits in an int?
...ide: 2797ms = 0.77 times
as fast as baseline
divide-and-conquer: 74ms = 28.99
times as fast as baseline
Full code:
public static void main(String[] args)
throws Exception
{
// validate methods:
for (int i = 0; i < 1000; i++)
if (method1(i) != method2(i))
System.out...
Save Screen (program) output to a file
...
FergieFergie
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6
...
How to find gaps in sequential numbering in mysql?
...:
+------------------+
| missing |
+------------------+
| 1 thru 99 |
| 666 thru 667 |
| 50000 |
| 66419 thru 66456 |
+------------------+
4 rows in set (0.06 sec)
Note that the order of columns expected and got is critical.
If you know that YourCol doesn't start a...
Which timestamp type should I choose in a PostgreSQL database?
...ute a bit more.
Absolute time is used to record an event. Examples: "User 123 logged in" or "a graduation ceremonies start at 2011-05-28 2pm PST." Regardless of your local time zone, if you could teleport to where the event occurred, you could witness the event happening. Most time data in a databa...
C++ Structure Initialization
...
This feature is called designated initializers. It is an addition to the C99 standard. However, this feature was left out of the C++11. According to The C++ Programming Language, 4th edition, Section 44.3.3.2 (C Features Not Adopted by C++):
A few additions to C99 (compared with C89) were delib...
What does the `forall` keyword in Haskell/GHC do?
...
123
Can anybody completely explain the forall keyword in clear, plain English?
No. (Well, may...
How to make an inline-block element fill the remainder of the line?
...
Panu HorsmalahtiPanu Horsmalahti
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4
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input type=file show only button
... shibashiba
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2
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What is a NullPointerException, and how do I fix it?
...c static void main(String[] args) {
Printer printer = new Printer("123");
printer.print();
}
}
See also:
Avoiding “!= null” statements in Java?
I still can't find the problem
If you tried to debug the problem and still don't have a solution, you can post a question for...
How does the C code that prints from 1 to 1000 without loops or conditional statements work?
...
(&exit)(j+1) and exit(j+1) are essentially the same thing - quoting C99 §6.3.2.1/4:
A function designator is an expression that has function type. Except when it is the
operand of the sizeof operator or the unary & operator, a function designator with
type "function returning type...