大约有 40,000 项符合查询结果(耗时:0.0314秒) [XML]
The most efficient way to implement an integer based power function pow(int, int)
...
Elias YarrkovElias Yarrkov
3,99311 gold badge1414 silver badges66 bronze badges
...
\d is less efficient than [0-9]
... not [0-9].
You can generate a list of all such characters using the following code:
var sb = new StringBuilder();
for(UInt16 i = 0; i < UInt16.MaxValue; i++)
{
string str = Convert.ToChar(i).ToString();
if (Regex.IsMatch(str, @"\d"))
sb.Append(str);
}
Console.WriteLine(sb.ToStr...
What is a plain English explanation of “Big O” notation?
... numbers we must do 36 multiplications. We may need to do as many as 10 or 11 column adds to get the end result too.
If we have two 100-digit numbers we need to do 10,000 multiplications and 200 adds. For two one million digit numbers we need to do one trillion (1012) multiplications and two millio...
Visual Studio 2010 - C++ project - remove *.sdf file
...
answered Oct 9 '11 at 22:46
OzzahOzzah
10.2k1313 gold badges6767 silver badges110110 bronze badges
...
java.net.URLEncoder.encode(String) is deprecated, what should I use instead?
...ethod instead.
– et_l
May 24 '17 at 11:40
|
show 5 more co...
How to deal with floating point number precision in JavaScript?
...lasses/bignumber
– Jacksonkr
Dec 1 '11 at 4:52
4
@bass-t: Yes, but floats can exactly represent i...
std::wstring VS std::string
... supports wide characters such as Unicode characters. I have got the following questions:
12 Answers
...
Python: What OS am I running on?
What do I need to look at to see whether I'm on Windows or Unix, etc?
25 Answers
25
...
Improving bulk insert performance in Entity framework [duplicate]
...
11 Answers
11
Active
...
DateTime.ToString(“MM/dd/yyyy HH:mm:ss.fff”) resulted in something like “09/14/2013 07.20.31.371”
...m:ss.fff"));
}
}
That produces output (on September 18th 2013) of:
11/12/1434 15:04:31.750
My guess is that your web service would be surprised by that!
I'd actually suggest not only using the invariant culture, but also changing to an ISO-8601 date format:
string text = dateTime.ToStrin...