大约有 44,000 项符合查询结果(耗时:0.0530秒) [XML]
Analyze audio using Fast Fourier Transform
...ly spaced frequencies, starting at 0. Because your sampling frequency is 44100 samples / sec. and the number of points in your FFT is 256, your frequency spacing is 44100 / 256 = 172 Hz (approximately)
The first coefficient in your array will be the 0 frequency coefficient. That is basically the av...
Why is Go so slow (compared to Java)?
As we could see from The Computer Language Benchmarks Game in 2010:
10 Answers
10
...
What is the correct way of using C++11's range-based for?
What is the correct way of using C++11's range-based for ?
4 Answers
4
...
binning data in python with scipy/numpy
...
184
It's probably faster and easier to use numpy.digitize():
import numpy
data = numpy.random.ran...
Generate random password string with requirements in javascript
...
18 Answers
18
Active
...
Is it possible to view RabbitMQ message contents directly from the command line?
...
107
You should enable the management plugin.
rabbitmq-plugins enable rabbitmq_management
See he...
How I can I lazily read multiple JSON values from a file/stream in Python?
...
11 Answers
11
Active
...
Signed to unsigned conversion in C - is it always safe?
...swer
Your i will be converted to an unsigned integer by adding UINT_MAX + 1, then the addition will be carried out with the unsigned values, resulting in a large result (depending on the values of u and i).
Long Answer
According to the C99 Standard:
6.3.1.8 Usual arithmetic conversions
...
Running a cron job at 2:30 AM everyday
...
541
crontab -e
add:
30 2 * * * /your/command
...
OS X Terminal Colors [closed]
...
751
Here is a solution I've found to enable the global
terminal colors.
Edit your .bash_profile (si...
