How do I prevent multiple instances of my program?

339

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what is monetary polasy and how it is different from trade polacy? how it will impact on stockmarkets in India?

934

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If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

878

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What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor

250

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Explain Memory Partitioning, Paging, Segmentation?

3380

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Have you used callsymputx? what points need to be kept in mind when using it?

877

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if sap master data has been change due to user demand how to test his result

893

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What is the difference between Kryptel and Silver Key?

1074

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If my server is Sun Solaris can i use like VT100 Server?

1908

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How will you add buttons to a template?

807

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how to entery pass in tally when items damage(items insured)and claim to insurance co.

1102

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Why can mould vary in colour?

889

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How to calculate MCB Breaking capacity.

86

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how to determine ct ratio in ht vcb?

501

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Shifting positional parameter in Linux fedora core ? Hi I have written following shell script for display value of positional. But in 11th and 12 field will display without shifting command. May I know is it advance of Linux of programming code error? #!/usr/bin/bash echo "Bellow is the out of ps command" echo "`ps`" echo "The passing Parameter i.e output of \$1,2... value is:==> $11 " echo "Total number of passed argument \$# is:==> $#" echo "Passed argument names (\$*) are:==>$*" echo "This script PID(\$$) is :=>$$" echo "The name of executing script(\$0) is :==>$0" echo "The Parent ID of this script(\$PPID) is:==>$PPID" And my input to this script is ./scriptname arg1 arg2 arg3 arg4 arg5 arg6 arg7 arg8 arg9 arg10 arg11 arg12 Output Is Bellow is the out of ps command PID TTY TIME CMD 2892 pts/0 00:00:00 bash 3172 pts/0 00:00:00 positional_para 3173 pts/0 00:00:00 ps The passing Parameter i.e output of $1,2... value is:==> arg11 Total number of passed argument $# is:==> 13 Passed argument names ($*) are:==>arg1 arg2 arg3 arg4 arg5 arg6 arg7 arg8 arg9 arg10 arg11 arg12 arg13 This script PID($$) is :=>3172 The name of executing script($0) is :==>./positional_parameter The Parent ID of this script($PPID) is:==>2892 After the ps output please see the next line I.e $11 value comes out without shifting the parameter. How is it give me my friends

1098

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