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How to capitalize the first letter of word in a string using Java?
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If you only want to capitalize the first letter of a string named input and leave the rest alone:
String output = input.substring(0, 1).toUpperCase() + input.substring(1);
Now output will have what you want. Check that your input is at least one...
Echo newline in Bash prints literal \n
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edited May 20 '15 at 14:46
answered Dec 11 '11 at 21:04
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How to make type=“number” to positive numbers only
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edited Aug 27 '19 at 7:44
Álvaro González
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Generate random 5 characters string
I want to create exact 5 random characters string with least possibility of getting duplicated. What would be the best way to do it? Thanks.
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Resize svg when window is resized in d3.js
I'm drawing a scatterplot with d3.js. With the help of this question :
Get the size of the screen, current web page and browser window
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What is the C# equivalent of NaN or IsNumeric?
What is the most efficient way of testing an input string whether it contains a numeric value (or conversely Not A Number)? I guess I can use Double.Parse or a regex (see below) but I was wondering if there is some built in way to do this, such as javascript's NaN() or IsNumeric() (was that VB...
What is the purpose of “&&” in a shell command?
As far as I know, using & after the command is for running it in the background.
9 Answers
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getResourceAsStream() vs FileInputStream
...erent, but thus not C:\Tomcat\webapps\contextname or whatever you'd expect it to be. In a normal Eclipse project, that would be C:\Eclipse\workspace\projectname. You can learn about the current working directory the following way:
System.out.println(new File(".").getAbsolutePath());
However, the wo...
How to stop C# console applications from closing automatically? [duplicate]
...thing like C's system("PAUSE") to "pause" the applications at the end of its execution, how can I achieve that?
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Which, if any, C++ compilers do tail-recursion optimization?
It seems to me that it would work perfectly well to do tail-recursion optimization in both C and C++, yet while debugging I never seem to see a frame stack that indicates this optimization. That is kind of good, because the stack tells me how deep the recursion is. However, the optimization would be...