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DevX Tips Bank: Input
Output
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Streams
HTML Input Placeholder Attribute
Language: Web, Level: Beginner: - Learn to use the input placeholder …
Using SendKeys in C#
Language: .NET, Expertise: Beginner - You can use SendKeys to send a …
Executing a Subprocess
When executing a subprocess in Java, remember to read both the stdout and stderr from the …
Declaring Destructors Virtual
Writing basic classes needs no more definition from the programmer than just declaring …
Send All Your System Messages To File
Often, while developing a system you want to debug it using System.out.println or …
System.out Vs. System.err
System.out leads the output to the standard output stream (normally mapped to the …
Shortcut for System.out.println()
Tired of typing
Sending a Cookie to a Server Through a HttpURLConnection
The java.net.HttpURLConnection class provides HTTP specific functionality. First you …
Right-Justification of Output
To right justify the output of cout, call the width() function with the size of the …
Alternatives to ios::nocreate and ios::noreplace
In pre-standard C++, certain implementations of <fstream.h> offered the flags …
Filtering Input in scanf()
You can force scanf() to read only specific characters from the input source while …
If Your Compiler Doesn't Support snprintf() Yet
Sometimes, sprintf() is unavoidable. For example, when compatibility with C is …
<iostream.h> or <iostream>?
Although the <iostream.h> library was deprecated for several years, many C++ users …
Octal and Hexadecimal Output
By default, cout displays integral values as decimal numbers. You can override this …
Controlling Floating Point Precision
You can override the default number of digits after the decimal point by calling the …
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