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Password masking console application

...ur else block that removes the previously entered character from your pass string variable. Here's the relevant working code that should do what you require: var pass = string.Empty; ConsoleKey key; do { var keyInfo = Console.ReadKey(intercept: true); key = keyInfo.Key; if (key == Conso...
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Most efficient way to remove special characters from string

I want to remove all special characters from a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.). ...
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Remove excess whitespace from within a string

I receive a string from a database query, then I remove all HTML tags, carriage returns and newlines before I put it in a CSV file. Only thing is, I can't find a way to remove the excess white space from between the strings. ...
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Remove all spaces from a string in SQL Server

What is the best way to remove all spaces from a string in SQL Server 2008? 23 Answers ...
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?

StringTokenizer ? Convert the String to a char[] and iterate over that? Something else? 15 Answers ...
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What is RSS and VSZ in Linux memory management

...ypes.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/mman.h> #include <unistd.h> typedef struct { unsigned long size,resident,share,text,lib,data,dt; } ProcStatm; /* https://stackoverflow.com/questions/1558402/memory-usage-of-current...
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How do I tokenize a string in C++?

...e convenient. But what would its return type be? std::vector<std::basic_string<…>>? Maybe, but then we’re forced to perform (potentially redundant and costly) allocations. Instead, C++ offers a plethora of ways to split strings based on arbitrarily complex delimiters, but none of th...
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How can I pad an int with leading zeros when using cout

... but.. how can I write formatted output to a string (char* or char[]) not to console directly. Actually I am writing a function that returns formatted string – shashwat Dec 23 '12 at 9:32 ...
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What does int argc, char *argv[] mean?

...e arguments are passed to main() in C and C++. argc will be the number of strings pointed to by argv. This will (in practice) be 1 plus the number of arguments, as virtually all implementations will prepend the name of the program to the array. The variables are named argc (argument count) and ar...
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What are the mechanics of short string optimization in libc++?

This answer gives a nice high-level overview of short string optimization (SSO). However, I would like to know in more detail how it works in practice, specifically in the libc++ implementation: ...