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Can we write our own iterator in Java?
If I have a list containing [alice, bob, abigail, charlie] and I want to write an iterator such that it iterates over elements that begin with 'a', can I write my own ? How can I do that ?
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Assert equals between 2 Lists in Junit
... with similar goodness. but mostly junit provides core unit test features, and hamcrest provides a nice-to-have object difference describer library.
– djeikyb
Mar 5 '18 at 20:59
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How do you delete an ActiveRecord object?
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It's destroy and destroy_all methods, like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destro...
How does BitLocker affect performance? [closed]
...egradation. Developers who use IDEs like Visual Studio are working on lots and lots of files at once. More than the usual office worker, I would think.
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Do I encode ampersands in ?
I'm writing code that automatically generates HTML, and I want it to encode things properly.
4 Answers
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Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
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(true here refers to do you want to initialize the class?)
On the other hand, ClassLoader.loadClass(String):
Invoking this method is equivalent to invoking loadClass(name, false).
(here, the boolean has nothing to do with initialization; but if you check loadClass(String, boolean) documentat...
Difference between `constexpr` and `const`
What's the difference between constexpr and const ?
9 Answers
9
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how to replicate pinterest.com's absolute div stacking layout [closed]
...cally how the number of columns adjusts to fit more/less on browser resize and the vertical stacking is not dependent on adjacent column heights. The source code shows that each div is position absolute. A co-founder has answered a Quora post stating it is done with custom jQuery and CSS. I would li...
Swap key with value JSON
...rmance good? Semantic is perfect: we can see that is really a simple "map and swap" solution.
– Peter Krauss
Jan 3 '19 at 17:41
1
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Why are margin/padding percentages in CSS always calculated against width?
... Since the
height of the child is dependent on the height of the parent, and the
height of the parent is dependent on the height of the child, we'll
either have inaccurate height, or an infinite loop. Sure, this only
affects the case where offset parent === parent, but still. It's an
odd c...