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How do you detect where two line segments intersect? [closed]
...es Cramer's Rule (don't ask me) to solve the equations themselves.
I can attest that it works in my feeble asteroids clone, and seems to deal correctly with the edge cases described in other answers by Elemental, Dan and Wodzu. It's also probably faster than the code posted by KingNestor because it'...
Why is super.super.method(); not allowed in Java?
...ds T1 { int x = 2; }
class T3 extends T2 {
int x = 3;
void test() {
System.out.println("x=\t\t" + x);
System.out.println("super.x=\t\t" + super.x);
System.out.println("((T2)this).x=\t" + ((T2)this).x);
System...
How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...struct adder<Goal, Goal>{
static unsigned const value = Goal;
};
Testcode:
template<unsigned Start>
struct sum_from{
template<unsigned Goal>
struct to{
template<unsigned N>
struct equals;
typedef equals<adder<Start, Goal>::value> result;
};...
How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
I wrote a very simple test code of printf uint64_t:
3 Answers
3
...
Sample settings.xml for maven
... local
| environment.
|
| For example, if you have an integration testing plugin - like cactus -
| that needs to know where your Tomcat instance is installed, you can
| provide a variable here such that the variable is dereferenced during the
| build process to configure the cactus...
Pimpl idiom vs Pure virtual class interface
... dodgy. The answer here is a sensible balance that may also help with unit testing via "dependency injection"; but the answer always depends on requirements. Third party Library writers (as distinct from using a library in your own organization) may heavily prefer the Pimpl.
– ...
How to make a PHP SOAP call using the SoapClient class
...5xah/11593623.zip
The code.
This is what you need to do at PHP side:
(Tested and working)
<?php
// Create Contact class
class Contact {
public function __construct($id, $name)
{
$this->id = $id;
$this->name = $name;
}
}
// Initialize WS with the WSDL
$cli...
How to count the number of set bits in a 32-bit integer?
...ke x86's popcnt, on CPUs where it's supported) will almost certainly be fastest. Some other architectures may have a slow instruction implemented with a microcoded loop that tests a bit per cycle (citation needed).
A pre-populated table lookup method can be very fast if your CPU has a large cache a...
SQLAlchemy: print the actual query
...
the second half of the answer has been updated with the latest information.
– zzzeek
Jul 30 '14 at 20:11
2
...
Greenlet Vs. Threads
...t to spawn 60000 native threads or processes to complete the work and this test shows nothing (also did you take the timeout off of the gevent.joinall() call?). Try using a thread pool of about 50 threads, see my answer: stackoverflow.com/a/51932442/34549
– zzzeek
...