concat() method if called on null String reference variable, will throw NullPointerException; while this is not the case with + operator. Example String str = null; str.concat(“abc”); will throw java.lang.NullPointerException. While String str = null; System.out.println(str+”...
public static void main(String[] args){ long startTime = System.currentTimeMillis();concatinateString(); System.out.println("Time taken for Concatination with String: "+(System.currentTimeMillis()-startTime)+"ms"); startTime = System.currentTimeMillis();concatinateStringBuffer(); System.out...
IO.IOException' occurred in mscorlib.dll. Additional information: The process cannot access the file because it is being used by another process. Angle between two lines Anti debugging code in C# any equivalent in c# for bytearray outputstream/inputstream and data outputstream/inputstream? App ...
Please review the stack trace for more information about the error and where it originated in the code. Any difference between Server.MapPath("~") and Server.MapPath("") ? Any easy way to log user activity after they login? Any event after the page load completed? API GET:Obj ref not ...
What is the difference between UNION and UNION ALL? 2019-12-11 17:33 − What is the difference between UNION and UNION ALL? UNION removes duplicate records (where all columns in the results are the same), UNION ALL does n... ChuckLu 0 298 Webpack之魔法注释/* webpackChunkName:"...
Solved: Hi, What is the exact difference between BDC,LSMW and BAPI and why we are going for LSMW ,BAPI, if BDC is suitable or viceversa (for uploading legacy data).
Calculate the Numerator and Denominator in 1 query Calculate the ratio between two columns Calculate YTD, Previous YTD in the same query calculated field with decimal place Calculating 30,60,90 Days Totals in sql Calculating Average between two datetime columns Calculating the RATE as the similar fi...
What is difference between Difference between Option Explicit and Option ?All replies (2)Tuesday, May 17, 2005 10:56 AM ✅Answered | 1 voteHi,Option Explicit is to do with variable declaration and Strict is for type conversions.Option Explicit: When Option Explicit appears in a file, you ...
ASP.NET MVC - Sharing Sessions between MVC Controller & WebAPI Controller ASP.NET MVC - Views location Problem : The view 'Index' or its master was not found ASP.NET MVC + Entity Framework: The type or namespace name 'Entity' does not exist in the namespace 'System.Data' ASP.NET MVC...
I'm trying to understand the difference between Show and ShowDialog. Does ShowDiaglog actually means setting a form's visible property to true and calling the form's Activate method? If yes, what is the difference between using ShowDialog and using Show, setting visible to true and calling Ac...