大约有 14,600 项符合查询结果（耗时：0.0184秒） [XML]
How can I convert an RGB image into grayscale in Python?
...times = dict(sk=list(), pil=list(), scipy=list())
for t in range(100):
start_time = time.time()
for i in range(1000):
z = random.choice(filenames_png)
img = skimage.color.rgb2gray(skimage.io.imread(z))
run_times['sk'].append(time.time() - start_time)
start_time = time.ti...
Can't connect to local MySQL server through socket '/tmp/mysql.sock
...
sudo /usr/local/mysql/support-files/mysql.server start
This worked for me. However, if this doesnt work then make sure that mysqld is running and try connecting.
share
|
...
Node Version Manager install - nvm command not found
...creationix/nvm/v0.33.1/install.sh | bash
Important... - DO NOT forget to Restart your terminal OR use command source ~/.nvm/nvm.sh (this will refresh the available commands in your system path).
In the terminal, use command nvm --version and you should see the version
...
Run an exe from C# code
...Diagnostics;
class Program
{
static void Main()
{
Process.Start("C:\\");
}
}
If your application needs cmd arguments, use something like this:
using System.Diagnostics;
class Program
{
static void Main()
{
LaunchCommandLineApp();
}
/// <summary>...
Markdown: continue numbered list
In the following markdown code I want item 3 to start with list number 3. But because of the code block in between markdown starts this list item as a new list. Is there any way to prevent that behaviour?
...
Difference between CLOCK_REALTIME and CLOCK_MONOTONIC?
...
CLOCK_MONOTONIC starts at 0 when the program starts; it is not for interprocess use.
– Benubird
Feb 9 '11 at 10:31
18
...
Java EE web development, where do I start and what skills do I need? [closed]
...)
First of all, "Java EE" has since Sep 2019 been renamed to "Jakarta EE", starting with version 8. Historically, there was also the term "J2EE" which covered versions 1.2 until 1.4. The "Java EE" covered versions 5 until 8. See also Java Platform, Enterprise Edition, History on Wikipedia.
What exa...
how to release localhost from Error: listen EADDRINUSE
...ly. It was working when I used node app.js and stopped it with Ctrl+C, but started having the EADDRINUSE issue after the first time I used npm start, so it seems the real solution would be to use something other than Ctrl+C to shut down after using npm start.
– David Mason
...
OpenSSL: PEM routines:PEM_read_bio:no start line:pem_lib.c:703:Expecting: TRUSTED CERTIFICATE [close
...
this took me hours to work out. All starting with a cryptic error from xmlsec1, key is not found
– Amichai Schreiber
Oct 5 '19 at 21:38
...
How can I start an interactive console for Perl?
How can I start an interactive console for Perl, similar to the irb command for Ruby or python for Python?
23 Answers
...