Timeout Utility in Windows Command Shell
From Windows 7 and onwards (or if you install some Resource Kits), you will be given the useful utility timeout to delay the execution (to be used in a batch …
VBScript Customize IsBlank Function
April 25, 2014
beginner, code, code library, implementation, programming languages, VBA, vbscript, windows, windows scripting host
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In VBScript, the values are dynamic typed meaning that the values can be changed at runtime for any variable. For example, a numerical variable can be converted on the …
Check Given String has Repeated Characters
April 22, 2014
algorithms, code, code library, implementation, interview questions, java, programming languages, python, tricks
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If we want to know whether a given string has repeated characters, the simplest way is to use the existing method of finding first occurrence from the end of …
Easy Math Tip and LUA verification
Do you want to compute such numbers in two seconds? such as 85 x 85, 97 x 93, 23 x 27 … ? Multiplication of two digits (from 10 …
C/C++ Frequent Pointer Mistakes
April 18, 2014
beginner, c / c++, code, code library, implementation, interpreter / compiler, interview questions, programming languages
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C/C++ is powerful because of pointers. The pointers are used to represent the address of some memory locations. Pointers can be involved in arithmetic operations, for example, int *p; …
How to Evaluate Reverse Polish Notation using Stack?
Polish notation/expression is also known as ‘prefix notation’ where the numbers are preceded by its operator (placed in the front). For example, “3 * 5” transformed to polish notation …