大约有 48,000 项符合查询结果(耗时:0.0303秒) [XML]
How does the ARM architecture differ from x86? [closed]
...on the context of laptops. For laptops their typical power goal was on the order of 6 watts for a fairly small laptop. More recently (much more recently) they've started to target mobile devices (phones, tablets, etc.) For this market, they're looking at a couple of watts or so at most. They seem to...
What is a serialVersionUID and why should I use it?
...I wouldn't expect it to say you need one - but it may be suggesting one in order to help you serialize exceptions correctly. If you're not going to serialize them, you really don't need the constant.
– Jon Skeet
Jun 15 '14 at 18:43
...
When is assembly faster than C?
... @Praxeolitic: FP add is commutative (a+b == b+a), but not associative (reordering of operations, so rounding of intermediates is different). re: this code: I don't think uncommented x87 and a loop instruction are a very awesome demonstration of fast asm. loop is apparently not actually a bottlen...
Saving interactive Matplotlib figures
...
On my py3.5 on MacOS 10.11, the order of fig.show() doesn't appear to matter - maybe that bug was fixed. I can pickle before/after show() without issue.
– Demis
Feb 1 '16 at 19:42
...
How can I convert ereg expressions to preg in PHP?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
...
How to model type-safe enum types?
...s of limited utility in practice (you might as well use case objects).
In order to get something most closely resembling a Java Enum (i.e. with sensible toString and valueOf methods -- perhaps you are persisting the enum values to a database) you need to modify it a bit. If you had used skaffman's...
Sound alarm when code finishes
...os.system('play -nq -t alsa synth {} sine {}'.format(duration, freq))
In order to use this example, you must install sox.
On Debian / Ubuntu / Linux Mint, run this in your terminal:
sudo apt install sox
On Mac, run this in your terminal (using macports):
sudo port install sox
Speech on Mac
...
How to “log in” to a website using Python's Requests module?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
...
Can you add new statements to Python's syntax?
...nces for the construction of this article. Here they are, in no particular order:
PEP 339: Design of the CPython compiler - probably the most important and comprehensive piece of official documentation for the Python compiler. Being very short, it painfully displays the scarcity of good documentat...
iOS Tests/Specs TDD/BDD and Integration & Acceptance Testing
...tput goes into the build window where you have to unfold the build step in order to read it.
We wanted easy to read test reporting, both on the command line and in Xcode. OCUnit results appear nicely in the build window in Xcode, but building from the command line (or as part of a CI process) res...
