大约有 11,700 项符合查询结果（耗时：0.0502秒） [XML]
Technically, why are processes in Erlang more efficient than OS threads?
...he entire CPU state (normal, SSE and FPU registers, address space mapping, etc.).
Erlang processes use dynamically allocated stacks, which start very small and grow as necessary. This permits the spawning of many thousands — even millions — of Erlang processes without sucking up all available RA...
Why are quaternions used for rotations?
...s (despite the bizarre story that's occasionally told about Hamilton/Gibbs/etc). Physics requires that our descriptions have good analytic behavior (this has a precisely defined meaning, but in some rather technical ways that go far beyond what's taught in normal intro classes, so I won't go into an...
How to pass object with NSNotificationCenter
... to send all kind of objects. Otherwise you might encounter random crashes etc.
– Johan Karlsson
Feb 17 '16 at 12:58
add a comment
|
...
How to run only one task in ansible playbook?
... tags:
- packages
- template: src=templates/src.j2 dest=/etc/foo.conf
tags:
- configuration
If you wanted to just run the “configuration” and “packages” part of a very long playbook, you could do this:
ansible-playbook example.yml --tags "configuration,pac...
How to handle screen orientation change when progress dialog and background thread active?
..., uiMode (For example, going in or out of car mode ; night mode changing), etc. I now wonder wether this is actually a good answer.
– rds
Mar 10 '11 at 16:49
...
When is localStorage cleared?
...ing query strings, hidden form
fields, flash based local shared objects, etc. Each with their own set
of problems related to security, ease of use, size restrictions etc.
So up until now we have been using pretty bad ways of storing data on
the user’s end. We need a better way, which is wh...
Good MapReduce examples [closed]
...esults and see that there
were only two words of length 5 in our corpus, etc...
The most common example of mapreduce is for counting the number of
times words occur in a corpus. Suppose you had a copy of the internet
(I've been fortunate enough to have worked in such a situation), and
y...
Adding an arbitrary line to a matplotlib plot in ipython notebook
...linewidth=2)
(of course you can choose the color, line width, line style, etc.)
From your example:
import numpy as np
import matplotlib.pyplot as plt
np.random.seed(5)
x = np.arange(1, 101)
y = 20 + 3 * x + np.random.normal(0, 60, 100)
plt.plot(x, y, "o")
# draw vertical line from (70,100) to ...
Java Interfaces/Implementation naming convention [duplicate]
...a Type. Then you have DumpTruck, TransferTruck, WreckerTruck, CementTruck, etc that implement Truck.
When you are using the Interface in place of a sub-class you just cast it to Truck. As in List<Truck>. Putting I in front is just Hungarian style notation tautology that adds nothing but more...
Are arrays passed by value or passed by reference in Java? [duplicate]
...ce. What you cannot change is the variable from whence the reference was fetched in the calling context. This is only confusing if people conflate the reference and the variable that holds the reference.
– Stephen C
Oct 29 '16 at 4:25
...