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Division of integers in Java [duplicate]
...st be floating point number
1/10 = 0
1.0/10 = 0.1
1/10.0 = 0.1
Just type cast either of them.
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How to replace a string in a SQL Server Table Column
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UPDATE CustomReports_Ta
SET vchFilter = REPLACE(CAST(vchFilter AS nvarchar(max)), '\\Ingl-report\Templates', 'C:\Customer_Templates')
where CAST(vchFilter AS nvarchar(max)) LIKE '%\\Ingl-report\Templates%'
Without the CAST function I got an error
Argument data type nte...
How to delete a whole folder and content?
...tion to be able to delete the DCIM folder (which is located on the SD card and contains subfolders).
23 Answers
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Union Vs Concat in Linq
...ave different references, thus they all are considered different. When you cast to base type X, reference is not changed.
If you will override Equals and GetHashCode (used to select distinct items), then items will not be compared by reference:
class X
{
public int ID { get; set; }
public...
Undefined reference to static class member
...question. The second part is much more interesting: Why does adding a NOP cast make it work without requiring the external declaration?
– Brent Bradburn
Feb 1 '11 at 0:48
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C# 'is' operator performance
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Using is can hurt performance if, once you check the type, you cast to that type. is actually casts the object to the type you are checking so any subsequent casting is redundant.
If you are going to cast anyway, here is a better approach:
ISpecialType t = obj as ISpecialType;
if (t ...
Can anonymous class implement interface?
...members such as methods or events are allowed. An anonymous type cannot be cast to any interface or type except for object.
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Convert Decimal to Double
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An explicit cast to double like this isn't necessary:
double trans = (double) trackBar1.Value / 5000.0;
Identifying the constant as 5000.0 (or as 5000d) is sufficient:
double trans = trackBar1.Value / 5000.0;
double trans = trackBar1...
Converting a double to an int in C#
... that is, 4.5 is converted to 4, and 5.5 is converted to 6.
...while the cast truncates:
When you convert from a double or float value to an integral type, the
value is truncated.
Update: See Jeppe Stig Nielsen's comment below for additional differences (which however do not come into play...
What is null in Java?
...e value of the RelationalExpression is not null and the reference could be cast to the ReferenceType without raising a ClassCastException. Otherwise the result is false.
This means that for any type E and R, for any E o, where o == null, o instanceof R is always false.
What set does 'null' b...