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Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...ork server program that shall handle 1000 clients connected in parallel:
One thread per connection (can be blocking I/O, but can also be non-blocking I/O).
Each thread requires memory resources (also kernel memory!), that is a disadvantage. And every additional thread means more work for the sched...
JPA: How to have one-to-many relation of the same Entity type
... is possible. This is a special case of the standard bidirectional @ManyToOne/@OneToMany relationship. It is special because the entity on each end of the relationship is the same. The general case is detailed in Section 2.10.2 of the JPA 2.0 spec.
Here's a worked example. First, the entity cla...
A definitive guide to API-breaking changes in .NET
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In fact, it can be a source-level break too, if someone tries to create a delegate for bar.
– Pavel Minaev
Sep 24 '09 at 17:17
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Target elements with multiple classes, within one rule
...ould have elements with multiple classes, and I need to assign them within one rule, so that the same classes could be different within different containers. Say I have this in my CSS:
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How do you split and unsplit a window/view in Eclipse IDE?
...Editor>Toggle Split Editor were added with Eclipse Luna 4.4 M4, as mentioned by Lars Vogel in "Split editor implemented in Eclipse M4 Luna"
The split editor is one of the oldest and most upvoted Eclipse bug! Bug 8009
The split editor functionality has been developed in Bug 378298, and will be ava...
Difference between binary semaphore and mutex
...ex better than a binary semaphore then? Since it doesn't make sense if someone releases a lock which he doesn't actually hold.
– Pacerier
Dec 8 '11 at 16:31
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How does a hash table work?
...and easier to search, but still you don't want to search sequentially from one end of the library (or list) to the other.
You want something that, with the title of the book, can give you the right spot at once, so all you have to do is just stroll over to the right shelf, and pick up the book.
Bu...
Is nested function a good approach when required by only one function? [closed]
... Nice answer but where is the question? Not here. OP asked whether one can do the above if method_b is only used by method_a. He did not ask anything else. No closure.
– Mayou36
Jul 26 '17 at 19:40
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How to calculate moving average without keeping the count and data-total?
... want to average over.
Note that this approximation is equivalent to an exponential moving average.
See: Calculate rolling / moving average in C++
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When should I use double instead of decimal?
...think you've summarised the advantages quite well. You are however missing one point. The decimal type is only more accurate at representing base 10 numbers (e.g. those used in currency/financial calculations). In general, the double type is going to offer at least as great precision (someone corre...