大约有 16,000 项符合查询结果（耗时：0.0269秒） [XML]
Split string, convert ToList() in one line
...ut the need of Linq:
List<int> numbers = new List<int>( Array.ConvertAll(sNumbers.Split(','), int.Parse) );
// Uses Linq
var numbers = Array.ConvertAll(sNumbers.Split(','), int.Parse).ToList();
share
...
How to print the full traceback without halting the program?
...al variable and display it using print_exception:
import traceback
import sys
try:
raise TypeError("Oups!")
except Exception, err:
try:
exc_info = sys.exc_info()
# do you usefull stuff here
# (potentially raising an exception)
try:
raise TypeErr...
How to convert from System.Enum to base integer?
I'd like to create a generic method for converting any System.Enum derived type to its corresponding integer value, without casting and preferably without parsing a string.
...
Lock Escalation - What's happening here?
...t)
EXEC('INSERT INTO dbo.Tmp_Test (ID, Col1, Col2)
SELECT ID, CONVERT(nvarchar(10), Col1), Col2 FROM dbo.Test WITH (HOLDLOCK TABLOCKX)')
GO
DROP TABLE dbo.Test
GO
EXECUTE sp_rename N'dbo.Tmp_Test', N'Test', 'OBJECT'
GO
ALTER TABLE dbo.Test ADD CONSTRAINT
PK_Test PRIMARY KEY CLUSTER...
Implicit type conversion rules in C++ operators
... follows:
— If either operand is of type long
double, the other shall be converted
to long double.
— Otherwise, if either
operand is double, the other shall be
converted to double.
— Otherwise, if
either operand is float, the other
shall be converted to float.
— Otherwise, the integral promo...
Convert string to nullable type (int, double, etc…)
...ullOrEmpty(s) && s.Trim().Length > 0)
{
TypeConverter conv = TypeDescriptor.GetConverter(typeof(T));
result = (T)conv.ConvertFrom(s);
}
}
catch { }
return result;
}
...
How do I convert a decimal to an int in C#?
How do I convert a decimal to an int?
12 Answers
12
...
What do linkers do?
I've always wondered. I know that compilers convert the code you write into binaries but what do linkers do? They've always been a mystery to me.
...
Get list of databases from SQL Server
...
Execute:
SELECT name FROM master.sys.databases
This the preferred approach now, rather than dbo.sysdatabases, which has been deprecated for some time.
Execute this query:
SELECT name FROM master.dbo.sysdatabases
or if you prefer
EXEC sp_databases
...
Convert Float to Int in Swift
I want to convert a Float to an Int in Swift. Basic casting like this does not work because these types are not primitives, unlike float s and int s in Objective-C
...