大约有 47,000 项符合查询结果(耗时:0.0559秒) [XML]
What is the maximum value for an int32?
...67,996,680 till 1,867,996,689 of the decimal digits of Pi
The numeric string 2147483647 appears at the 1,867,996,680 decimal digit of Pi. 3.14......86181221809936452346214748364710527835665425671614...
source: http://www.subidiom.com/pi/
...
Get bitcoin historical data [closed]
...ebClient = new System.Net.WebClient())
{
var json = WebClient.DownloadString("https://www.bitstamp.net/api/ticker/");
string value = Convert.ToString(json);
// Parse/use from here
}
From here, you can parse the JSON and store it in a database (or with MongoDB insert it directly) and...
How can I find a specific element in a List?
...ter and setter methods (as you might be used to from Java), write
private string _id;
public string Id
{
get
{
return _id;
}
set
{
_id = value;
}
}
value is a contextual keyword known only in the set accessor. It represents the value assigned to the propert...
How to extract img src, title and alt from html using php? [duplicate]
...eb page source code :
/* preg_match_all match the regexp in all the $html string and output everything as
an array in $result. "i" option is used to make it case insensitive */
preg_match_all('/<img[^>]+>/i',$html, $result);
print_r($result);
Array
(
[0] => Array
(
...
Convert object string to JSON
How can I convert a string that describes an object into a JSON string using JavaScript (or jQuery)?
20 Answers
...
Java: getMinutes and getHours
... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java 9 adds some mi...
Node.js Mongoose.js string to ObjectId function
Is there a function to turn a string into an objectId in node using mongoose? The schema specifies that something is an ObjectId, but when it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
...
How to use a servlet filter in Java to change an incoming servlet request url?
...letRequest#getRequestURI() to grab the path.
Use straightforward java.lang.String methods like substring(), split(), concat() and so on to extract the part of interest and compose the new path.
Use either ServletRequest#getRequestDispatcher() and then RequestDispatcher#forward() to forward the reque...
Modifying the “Path to executable” of a windows service
...mend this approach over direct registry changes. Many paths require quoted strings, which you can enter as follows, for example with MS SQL Server: sc config mssqlserver binPath= "\"F:\SQL DATA\MSSQL10.MSSQLSERVER\MSSQL\Binn\sqlservr.exe\" -sMSSQLSERVER"
– Marc Durdin
...
How to get disk capacity and free space of remote computer
...UnmanagedType.Bool)]
public static extern bool GetDiskFreeSpaceEx(string lpDirectoryName,
out ulong lpFreeBytesAvailable,
out ulong lpTotalNumberOfBytes,
out ulong lpTotalNumberOfFreeBytes);
'@
$l_type = Add-Type -MemberDefinition $l_typeDefinitio...