How do I add a bullet symbol in TextView?
I have a TextView and I want to add a bullet symbol in my text through XML. Is it possible? 10 Answers 10
special-characters
Remove all special characters except space from a string using JavaScript
I want to remove all special characters except space from a string using JavaScript. For example, abc’s test#s should output as abcs tests. 12 Answers 12
Meaning of $? (dollar question mark) in shell scripts
What does echo $? mean in shell programming? 8 Answers 8
What is a vertical tab?
What was the original historical use of the vertical tab character (\v in the C language, ASCII 11)? Did it ever have a key on a keyboard? How did someone generate it? Is there any language or system still in use today where the vertical tab character does something interesting and useful? 9 Answers 9
Which characters need to be escaped when using Bash?
Is there any comprehensive list of characters that need to be escaped in Bash? Can it be checked just with sed? In particular, I was checking whether % needs to be escaped or not. I tried echo “h%h” | sed ‘s/%/i/g’ and worked fine, without escaping %. Does it mean % does not need to … Read more
What is the difference between \r and \n?
How are \r and \n different? I think it has something to do with Unix vs. Windows vs. Mac, but I’m not sure exactly how they’re different, and which to search for/match in regexes. 9 Answers 9
Remove all special characters with RegExp
I would like a RegExp that will remove all special characters from a string. I am trying something like this but it doesn’t work in IE7, though it works in Firefox. var specialChars = “!@#$^&%*()+=-[]\/{}|:<>?,.”; for (var i = 0; i < specialChars.length; i++) { stringToReplace = stringToReplace.replace(new RegExp(“\\” + specialChars[i], “gi”), “”); } A … Read more
How to write character & in android strings.xml
I wrote the following in the strings.xml file: <string name=”game_settings_dragNDropMove_checkBox”>Move by Drag&Drop</string> I got the following error: The reference to entity “Drop” must end with the ‘;’ delimiter. How can I write character & in the strings.xml? 15 s 15 Encode it: &
Meaning of $? (dollar question mark) in shell scripts
This is the exit status of the last executed command. For example the command true always returns a status of 0 and false always returns a status of 1: true echo $? # echoes 0 false echo $? # echoes 1 From the manual: (acessible by calling man bash in your shell) $? Expands to the exit status of the most recently executed foreground … Read more
