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What is tail recursion?
...essentially equivalent. The order of the if/then and style of the limiting test...if x == 0 versus if(i<=n)...is not something to get hung up on. The point is that each iteration passes its result to the next.
– Taylor
Sep 27 '13 at 18:24
...
Why does Math.round(0.49999999999999994) return 1?
...ic static long round(double a) {
if (a != 0x1.fffffffffffffp-2) // greatest double value less than 0.5
return (long)floor(a + 0.5d);
else
return 0;
}
1. http://docs.oracle.com/javase/6/docs/api/java/lang/Math.html#round%28double%29
2. http://bugs.java.com/bugdatabase/...
How to find memory leak in a C++ code/project?
...tor<> does not guarantee memory being freed upon clear. I personally tested swap stuff etc and I came to the conclusion that vector<> is leaking especially when used dynamically. I don't understand how vector<> can be advised over do-it-yourself dynamic allocation using 'new' and c...
How to import other Python files?
...'runtime' with a known name:
import os
import sys
...
scriptpath = "../Test/"
# Add the directory containing your module to the Python path (wants absolute paths)
sys.path.append(os.path.abspath(scriptpath))
# Do the import
import MyModule
...
Reading a binary file with python
...
have you tested an verified this works with the fortran generated binary?
– agentp
Dec 13 '17 at 17:14
1
...
AngularJS : When to use service instead of factory
...(), new Comment(), etc.
Use Provider when you need to configure it. i.e. test url, QA url,
production url.
If you find you're just returning an object in factory you should probably use service.
Don't do this:
app.factory('CarFactory', function() {
return {
numCylinder: 4
...
Struct like objects in Java
...ld's object or transform it somehow etc. You can mock such methods in your tests. If you create a new class you might not see all possible actions. It's like defensive programming - someday getters and setters may be helpful, and it doesn't cost a lot to create/use them. So they are sometimes useful...
Returning JSON from PHP to JavaScript?
...}
$Json = new json();
// Build data
$object = new stdClass();
$object->test = 'OK';
$arraytest = array('1','2','3');
$jsonOnly = '{"Hello" : "darling"}';
// Add some content
$Json->add('width', '565px');
$Json->add('You are logged IN');
$Json->add('An_Object', $object);
$Json->add("...
:: (double colon) operator in Java 8
...ks"));
Predicate<String> pred = set::contains;
boolean exists = pred.test("leo");
In case of parameterized types:
class Param<T> {
T elem;
public T get() {
return elem;
}
public void set(T elem) {
this.elem = elem;
}
public static <E> E ...
How to intercept touches events on a MKMapView or UIWebView objects?
...hed;
}
@property (nonatomic, retain) UIView * viewTouched;
- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event;
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesEnded:(NSSet *)touches withEv...