大约有 23,000 项符合查询结果（耗时：0.0271秒） [XML]
Integer.toString(int i) vs String.valueOf(int i)
I am wondering why the method String.valueOf(int i) exists ? I am using this method to convert int into String and just discovered the Integer.toString(int i) method.
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Unable to make the session state request to the session state server
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Check that:
stateConnectionString="tcpip=server:port"
is correct. Also please check that default port (42424) is available and your system does not have a firewall that is blocking the port on your system
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Why is it slower to iterate over a small string than a small list?
...ith timeit and noticed that doing a simple list comprehension over a small string took longer than doing the same operation on a list of small single character strings. Any explanation? It's almost 1.35 times as much time.
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How do I pass data between Activities in Android application?
...sessionId);
startActivity(intent);
Access that intent on next activity:
String sessionId = getIntent().getStringExtra("EXTRA_SESSION_ID");
The docs for Intents has more information (look at the section titled "Extras").
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How to split a comma-separated value to columns
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CREATE FUNCTION [dbo].[fn_split_string_to_column] (
@string NVARCHAR(MAX),
@delimiter CHAR(1)
)
RETURNS @out_put TABLE (
[column_id] INT IDENTITY(1, 1) NOT NULL,
[value] NVARCHAR(MAX)
)
AS
BEGIN
DECLARE @value NVARCHAR(MAX),
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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
... problems if the compiler had to "arrange for another behaviour" (e.g. use extra instructions to check for potential overflow and calculate differently in that case).
It is also worth noting that "undefined behaviour" doesn't mean "doesn't work". It means that the implementation is allowed to do w...
C++ equivalent of StringBuffer/StringBuilder?
Is there a C++ Standard Template Library class that provides efficient string concatenation functionality, similar to C#'s StringBuilder or Java's StringBuffer ?
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Easiest way to detect Internet connection on iOS?
...all native C code snippet that can check internet connectivity without any extra class.
Add the following headers:
#include<unistd.h>
#include<netdb.h>
Code:
-(BOOL)isNetworkAvailable
{
char *hostname;
struct hostent *hostinfo;
hostname = "google.com";
hostinfo = get...
Search for one value in any column of any table inside a database
...served.
-- Purpose: To search all columns of all tables for a given search string
-- Written by: Narayana Vyas Kondreddi
-- Site: http://vyaskn.tripod.com
-- Tested on: SQL Server 7.0 and SQL Server 2000
-- Date modified: 28th July 2002 22:50 GMT
CREATE TABLE #Results (ColumnName nvarchar(370), Co...
RegEx to find two or more consecutive chars
I need to determine if a string contains two or more consecutive alpha chars. Two or more [a-zA-Z] side by side.
Example:
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