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Converting datetime.date to UTC timestamp in Python
...ds
utc_time = calendar.timegm(utc_timetuple) + datetime.microsecond / 1E6
return utc_time
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Random hash in Python
...
>>> secrets.token_hex(nbytes=16)
'17adbcf543e851aa9216acc9d7206b96'
>>> secrets.token_urlsafe(16)
'X7NYIolv893DXLunTzeTIQ'
>>> secrets.token_bytes(128 // 8)
b'\x0b\xdcA\xc0.\x0e\x87\x9b`\x93\\Ev\x1a|u'
...
推荐引擎easyrec半天学习分享 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
....getJSON(
"/easyrec-web/api/1.0/json/otherusersalsoviewed?apikey=32b0c25e6bc63bf1627dc7e877f81b3d&tenantid=EASYREC_DEMO&itemid=43",
function(transport) {
var json = eval(transport);
var items = json.recommendeditems.item;
if( "undefined" == typeof(items.length) ) {
items = new Arr...
IE无法设置短域名下Cookie - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的人有帮助。
原文链接：http://www.imkevinyang.com/2010/09/ie%E6%97%A0%E6%B3%95%E8%AE%BE%E7%BD%AE%E7%9F%AD%E5%9F%9F%E5%90%8D%E4%B8%8Bcookie.html
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xunsearch主键重复、搜索结果重复 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...认已升级成功，请参考：https://fun123.cn/?q=%E5%A6%82%E4%BD%95%E6%9F%A5%E7%9C%8B+xunsearch+%E7%89%88%E6%9C%AC&x=0&y=0xunsearch 主键重复
微数据库功能求助 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...tps://www.fun123.cn/reference/creative/screen_communication.html#%E5%BE%AE%E6%95%B0%E6%8D%AE%E5%BA%93%E4%BC%A0%E5%80%BC
Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
...faster than drop:
%%timeit
test = pd.DataFrame({'x': np.random.randn(int(1e6))})
test = test[test.x < 0]
# 54.5 ms ± 2.02 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)
%%timeit
test = pd.DataFrame({'x': np.random.randn(int(1e6))})
test.drop(test[test.x > 0].index, inplace=True)
#...
How to write a multidimensional array to a text file?
... 87.00 88.00 89.00
90.00 91.00 92.00 93.00 94.00 95.00 96.00 97.00 98.00 99.00
# New slice
100.00 101.00 102.00 103.00 104.00 105.00 106.00 107.00 108.00 109.00
110.00 111.00 112.00 113.00 114.00 115.00 116.00 117.00 118.00 119.00
120.00 121.00 122.0...
What is the size of ActionBar in pixels?
...p value. I got the value 48dp. That means converting it to pixels gives me 96 pixels for xhdpi.
– Muhammad
Sep 3 '14 at 18:14
...
Convert character to ASCII code in JavaScript
...91": "[", "92": "\\", "93": "]", "94": "^", "95": "_",
"96": "`", "97": "a", "98": "b", "99": "c", "100": "d",
"101": "e", "102": "f", "103": "g", "104": "h", "105": "i",
"106": "j", "107": "k", "108": "l", "109": "m", "110": "n", ...