大约有 40,000 项符合查询结果（耗时：0.0283秒） [XML]
What's the complete range for Chinese characters in Unicode?
...
VonCVonC
985k405405 gold badges33963396 silver badges39933993 bronze badges
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Checking if a variable is an integer
...cob Relkin
147k2929 gold badges330330 silver badges312312 bronze badges
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Replace only some groups with Regex
...Group Index and Length properties of a matched group.
var text = "example-123-example";
var pattern = @"-(\d+)-";
var regex = new RegEx(pattern);
var match = regex.Match(text);
var firstPart = text.Substring(0,match.Groups[1].Index);
var secondPart = text.Substring(match.Groups[1].Index + matc...
Split a string at uppercase letters
...er, before doing the split":
>>> s = "TheLongAndWindingRoad ABC A123B45"
>>> re.sub( r"([A-Z])", r" \1", s).split()
['The', 'Long', 'And', 'Winding', 'Road', 'A', 'B', 'C', 'A123', 'B45']
This has the advantage of preserving all non-whitespace characters, which most other soluti...
Printing the correct number of decimal points with cout
...lt;iomanip>
int main(int argc, char** argv)
{
float testme[] = { 0.12345, 1.2345, 12.345, 123.45, 1234.5, 12345 };
std::cout << std::setprecision(2) << std::fixed;
for(int i = 0; i < 6; ++i)
{
std::cout << testme[i] << std::endl;
}
re...
Sort Dictionary by keys
...as worked for me:
let dicNumArray = ["q":[1,2,3,4,5],"a":[2,3,4,5,5],"s":[123,123,132,43,4],"t":[00,88,66,542,321]]
let sortedDic = dicNumArray.sorted { (aDic, bDic) -> Bool in
return aDic.key < bDic.key
}
share...
Detecting a mobile browser
...i|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4))) check = true;})(navigator.userAgent||navigator.vendor||window.opera);
return check;
};
For those wishing to include tablets ...
关于我们 · App Inventor 2 中文网，少儿编程陪伴者
... 关于我们(fun123.cn) 您更好的编程陪伴者！ 开始编程 ...
TypeError: ObjectId('') is not JSON serializable
...
123
You should define you own JSONEncoder and using it:
import json
from bson import ObjectId
cl...
App Inventor 2 AI伴侣有电脑版的吗? - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术
...，但是不好用，不建议使用。参考中文文档：https://www.fun123.cn/reference/creative/connect.html各种连接方式的特点：连接方式测试介质特点AI伴侣Android手机特别适合小朋友...有，但是不好用，不建议使用。参考中文文档：https://www.fun123....