大约有 40,000 项符合查询结果（耗时：0.0360秒） [XML]
np.mean() vs np.average() in Python NumPy?
...verage do not take in account masks, so compute the average over the whole set of data.
mean takes in account masks, so compute the mean only over unmasked values.
g = [1,2,3,55,66,77]
f = np.ma.masked_greater(g,5)
np.average(f)
Out: 34.0
np.mean(f)
Out: 2.0
...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...ges that were either installed using the pip installer itself or they used setuptools in their setup.py so conda build generated the egg information. So you have basically three options.
You can take the union of the conda list and pip freeze and manage packages that were installed using conda (th...
When to use std::forward to forward arguments?
...t case:
template<typename T>
void foo(T&& prop) {
other.set(prop); // use prop, but don't modify it because we still need it
bar(std::forward<T>(prop)); // final use -> std::forward
}
In the code above, we don't want prop to have some unknown value after other.set(....
Spring Boot application as a Service
... jar has the usual start, stop, restart, and status commands. It will also set up a PID file in the usual /var/run directory and logging in the usual /var/log directory by default.
You just need to symlink your jar into /etc/init.d like so
sudo link -s /var/myapp/myapp.jar /etc/init.d/myapp
OR
...
How to increase the Java stack size?
... Refactoring one line of code is the senible solution.
Note: Using -Xss sets the stack size of every thread and is a very bad idea.
Another approach is byte code manipulation to change the code as follows;
public static long fact(int n) {
return n < 2 ? n : n > 127 ? 0 : n * fact(n -...
Generate C# class from XML
...blic (\w+) (\w+)\r\n +\{\r\n +get\r\n +\{\r\n +return this.*;\r\n +\}\r\n +set\r\n +\{\r\n +this.*;\r\n +\}\r\n +\}\r\n => public $1 $2 { get; set; } and ` private \w+ \w+Field;\r\n\r\n`
– AlexDev
May 18 '16 at 13:48
...
Can an Android Toast be longer than Toast.LENGTH_LONG?
When using setDuration() for a Toast, is it possible to set a custom length or at least something longer than Toast.LENGTH_LONG ?
...
How do I make an asynchronous GET request in PHP?
... $parts=parse_url($url);
$fp = fsockopen($parts['host'],
isset($parts['port'])?$parts['port']:80,
$errno, $errstr, 30);
$out = "POST ".$parts['path']." HTTP/1.1\r\n";
$out.= "Host: ".$parts['host']."\r\n";
$out.= "Content-Type: application/x-www-form-urlencoded\r...
Cannot push to Heroku because key fingerprint
... that when using git push. Instead of heroku.com, use the dummy domain you set in your .ssh/config
[remote "heroku"]
url = git@heroku.com.git
[remote "heroku"]
url = git@heroku.my_unique_key:myapp.git
That's it :) A bit complicated and a bit simple at the same time. It has taken me 3 ye...
MySQL error: key specification without a key length
...s to remove the TEXT or BLOB column from the index or unique constraint or set another field as primary key. If you can't do that, and wanting to place a limit on the TEXT or BLOB column, try to use VARCHAR type and place a limit of length on it. By default, VARCHAR is limited to a maximum of 255 ch...