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Monad in plain English? (For the OOP programmer with no FP background)
... take a type, say int, and add a new capability to that type, namely, that now it can be null when it couldn't before.
As a second example, consider IEnumerable<T>. It is an amplifier of types. It lets you take a type, say, string, and add a new capability to that type, namely, that you can n...
How can I reverse a NSArray in Objective-C?
... danielpunkass's solution. I used it thinking it was a great shortcut, but now I've just spent 3 hours trying to figure out why my A* algorithm was broken. It's because it returns the wrong set!
– Georg Schölly
Mar 12 '10 at 6:23
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Will Dart support the use of existing JavaScript libraries?
...
The answer is now Yes! Dart now ships a JS-interop library to use existing JavaScript code with your Dart app. Learn more here: https://www.dartlang.org/articles/js-dart-interop/
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@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)
..., but it's an invalid use of the framework because
// Mockito doesn't know what method call to verify. But Mockito can't report
// it yet, because the call to the method that's being verified might
// be yet to happen.
verify(myMock);
}
@Test
public void test3() {
// ERROR 2...
Step-by-step debugging with IPython
... ipdb.set_trace() ? In your code :
import ipdb; ipdb.set_trace()
update: now in Python 3.7, we can write breakpoint(). It works the same, but it also obeys to the PYTHONBREAKPOINT environment variable. This feature comes from this PEP.
This allows for full inspection of your code, and you have ac...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
...private XmlSerializerNamespaces _namespaces;
}
That's all to this class. Now, some objected to having an XmlSerializerNamespaces object somewhere within their classes; but as you can see, I neatly tucked it away in the default constructor and exposed a public property to return the namespaces.
No...
How to convert an address into a Google Maps Link (NOT MAP)
...: maps.google.com/?ll=38.882147,-76.99017
UPDATE
As of year 2017, Google now has an official way to create cross-platform Google Maps URLs:
https://developers.google.com/maps/documentation/urls/guide
You can use links like
https://www.google.com/maps/search/?api=1&query=1200%20Pennsylvania...
How to access full source of old commit in BitBucket?
...g/user/project/commits/0000000000000000000000000000000000000000?at=master. Now, just change commits in the url to src and you are browsing the full source at this commit!
– Peter
Sep 15 '17 at 14:07
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Algorithm to detect intersection of two rectangles?
...nt.x - v(n-1).x) +
rotated.y * (testpoint.y - v(n-1).y);
Now test all points of rectangle A against the edges of rectangle B and vice versa. If you find a separating edge the objects don't intersect (providing all other points in B are on the other side of the edge being tested for...
WKWebView not loading local files under iOS 8
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They finally solved the bug! Now we can use -[WKWebView loadFileURL:allowingReadAccessToURL:].
Apparently the fix was worth some seconds in WWDC 2015 video 504 Introducing Safari View Controller
For iOS8 ~ iOS10 (Swift 3)
As Dan Fabulish's answer s...