大约有 21,000 项符合查询结果（耗时：0.0296秒） [XML]
How can I pass a list as a command-line argument with argparse?
...'<Required> Set flag', required=True)
# Use like:
# python arg.py -l 1234 2345 3456 4567
nargs='+' takes 1 or more arguments, nargs='*' takes zero or more.
append
parser.add_argument('-l','--list', action='append', help='<Required> Set flag', required=True)
# Use like:
# python arg.p...
Convert text into number in MySQL query
...
You can use CAST() to convert from string to int. e.g. SELECT CAST('123' AS INTEGER);
share
|
improve this answer
|
follow
|
...
Is there a JavaScript function that can pad a string to get to a determined length?
...
I found this solution here and this is for me much much simpler:
var n = 123
String("00000" + n).slice(-5); // returns 00123
("00000" + n).slice(-5); // returns 00123
(" " + n).slice(-5); // returns " 123" (with two spaces)
And here I made an extension to the string object:
String.prototy...
Histogram Matplotlib
... = np.asarray(list(h.keys()))
return weights, values
####
Refs:
[1] https://docs.scipy.org/doc/numpy/reference/generated/numpy.histogram.html
[2]
https://docs.scipy.org/doc/numpy/reference/generated/numpy.digitize.html
...
Alphabet range in Python
... 'y', 'z']
And to do it with range
>>> list(map(chr, range(97, 123))) #or list(map(chr, range(ord('a'), ord('z')+1)))
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
Other helpful string module features:...
Using cURL with a username and password?
...name> password <password>
Note:
Machine name must not include https:// or similar! Just the hostname.
The words 'machine', 'login', and 'password' are just keywords; the actual information is the stuff after those keywords.
...
Can I mix MySQL APIs in PHP?
...swered Jul 9 '15 at 13:59
Rizier123Rizier123
55k1616 gold badges7777 silver badges119119 bronze badges
...
How to use shell commands in Makefile
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to set up Android emulator proxy settings
... to use with a HTTP client:
// proxy
private static final String PROXY = "123.123.123.123";
// proxy host
private static final HttpHost PROXY_HOST = new HttpHost(PROXY, 8080);
HttpParams httpParameters = new BasicHttpParams();
DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);
ht...
How to show full object in Chrome console?
...ent, then the properties of its DOM representation are printed [1]
[1] https://developers.google.com/web/tools/chrome-devtools/debug/console/console-reference#dir
share
|
improve this answer
...