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Why use getters and setters/accessors?
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@sbi: One thing that is bought by using a property setter, even in a well-designed framework, is the ability to have an object notify another when a property changes.
– supercat
Aug 23 '12 at ...
Why is SELECT * considered harmful?
... more time to travel across the network. This is especially true when someone adds new columns to underlying tables that didn't exist and weren't needed when the original consumers coded their data access.
Indexing issues. Consider a scenario where you want to tune a query to a high level of perfo...
Zooming MKMapView to fit annotation pins?
...so note that showAnnotations is the only correct solution presented here; none of the other answers even attempt to handle annotations spanning the international date line.
– Gordon Dove
Sep 23 '16 at 11:21
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How to get a number of random elements from an array?
... @AlexWhite Thanks for the feedback, I can't believe this bug evaded everyone for years. Fixed. You should have posted a comment though, not suggested an edit.
– Bergi
Feb 20 '18 at 17:22
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When and why JPA entities should implement Serializable interface?
...elpful with that, and in the context of persistence more consistent than Cloneable for instance.
– JimmyB
Jul 6 '15 at 10:09
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How to initialize a two-dimensional array in Python?
...By the way, [[foo]*10 for x in xrange(10)] can be used to get rid of one comprehension. The problem is that multiplication does a shallow copy, so new = [foo] * 10 new = [new] * 10 will get you a list containing the same list ten times.
– Scott Wolchok
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How do you simulate Mouse Click in C#?
... If the control doesn't have a PerformClick method, you can extend/add one, just needs to call OnMouseClick with a suitable MouseEventArgs argument.
– Tony Hopkinson
Apr 12 '18 at 22:46
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Java: How to convert List to Map
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With java-8, you'll be able to do this in one line using streams, and the Collectors class.
Map<String, Item> map =
list.stream().collect(Collectors.toMap(Item::getKey, item -> item));
Short demo:
import java.util.Arrays;
import java.util.List;
impo...
Understanding promises in Node.js
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Check also this github.com/medikoo/deferred , Q is one of the first and it's definitely inspiration to many implementations that appeared afterwards, but unfortunately it's very slow and too "theoretical" in some parts, it doesn't play well with some real world scenarios
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How can I tell when HttpClient has timed out?
... @testing They don't behave different. It is just that you have one token that will represent the user cancellation request and an internal (you cannot access and you don't need) that represents the client timeout. It is the use case that differs
– Sir Rufo
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