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Convert character to ASCII numeric value in java
...ava uses a multibyte encoding of Unicode characters. The Unicode character set is a super set of ASCII. So there can be characters in a Java string that do not belong to ASCII. Such characters do not have an ASCII numeric value, so asking how to get the ASCII numeric value of a Java character is una...
How do I find the width & height of a terminal window?
...OLUMNS environmental variables should be able to do the trick. The will be set automatically upon any change in the terminal size. (i.e. the SIGWINCH signal)
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Difference between float and decimal data type
...If you divide 100 by 3 you don't get a rational number without a repeating set of trailing digits, so you can't multiply it by 3 and get 100. Get out a calculator and try it. Logically we know 1/3 + 1/3 + 1/3 should equal 3/3rds IE: 1, but this class of rational numbers doesn't allow us to do this.T...
Trying to fix line-endings with git filter-branch, but having no luck
...Git, and other sources, that the best solution is to have your local repos set to use linux-style line endings, but set core.autocrlf to true . Unfortunately, I didn't do this early enough, so now every time I pull changes the line endings are borked.
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Reading and writing binary file
I'm trying to write code to read a binary file into a buffer, then write the buffer to another file. I have the following code, but the buffer only stores a couple of ASCII characters from the first line in the file and nothing else.
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Why does Chrome incorrectly determine page is in a different language and offer to translate?
...="en" xml:lang="en" xmlns= "http://www.w3.org/1999/xhtml">
<meta charset="UTF-8">
<meta name="google" content="notranslate">
<meta http-equiv="Content-Language" content="en">
If that doesn't work, you can always place a bunch of text (your "About" page for instance) in a hidde...
Getting the difference between two sets
So if I have two sets:
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How to get JavaScript caller function line number? How to get JavaScript caller source URL?
...ntomJS too, but you have to throw it, or else the "stack" attribute is not set on the error.
– Joshua Richardson
Nov 20 '13 at 19:18
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Recursively list all files in a directory including files in symlink directories
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/dir/dir11 , /dir/dir12 , and /dir/dir13 . I want to list all the files in dir including the ones in dir11 , dir12 and dir13 .
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What is a smart pointer and when should I use one?
... Copy and transfer ownership.
// p1 gets set to empty!
p2->DoSomething(); // Works.
p1->DoSomething(); // Oh oh. Hopefully raises some NULL pointer exception.
OLD ANSWER
A smart pointer is a class that wraps a 'raw' (or 'bare') C++ pointer, to manage the ...