I often see people are using Delimiters. I tried myself to find out what are delimiters and what is their purpose. After 20 minutes of googling, I was not able to find an answer which satisfies me. So, my question is now: What are delimiters and when should I use them? 4 Answers 4
I had to move my Eclipse workspace from Linux to Windows when my desktop crashed. A week later I copy it back to Linux, code happily, commit to CVS. And alas, windows newlines have polluted many files, so CVS diff dumps the entire file, even when I changed a line or two! I could cook … Read more
Is there any way to specify a field delimiter for more spaces with the cut command? (like ” “+) ? For example: In the following string, I like to reach value ‘3744’, what field delimiter I should say? $ps axu | grep jboss jboss 2574 0.0 0.0 3744 1092 ? S Aug17 0:00 /bin/sh /usr/java/jboss/bin/run.sh … Read more
I’m trying to extract a certain (the fourth) field from the column-based, ‘space’-adjusted text stream. I’m trying to use the cut command in the following manner: cat text.txt | cut -d ” ” -f 4 Unfortunately, cut doesn’t treat several spaces as one delimiter. I could have piped through awk awk ‘{ printf $4; }’ … Read more
In a config file, I have a key to which I wish to assign a URL. The problem is that YAML interprets : and – characters as either creating mappings or lists, so it has a problem with the line url: http://www.example-site.com/ (both because of the colon following http and the hyphen in the middle) … Read more
When manually generating a JSON object or array, it’s often easier to leave a trailing comma on the last item in the object or array. For example, code to output from an array of strings might look like (in a C++ like pseudocode): s.append(“[“); for (i = 0; i < 5; ++i) { s.appendF(“\”%d\”,”, i); … Read more
This question already has answers here: Split Strings into words with multiple word boundary delimiters (31 answers) Closed 8 years ago. I found some answers online, but I have no experience with regular expressions, which I believe is what is needed here. I have a string that needs to be split by either a ‘;’ … Read more
Is there a function in C# to quickly convert some collection to string and separate values with delimiter? For example: List<string> names –> string names_together = “John, Anna, Monica” 2 s 2
I am trying to insert some text data into a table in SQL Server 9. The text includes a single quote ‘. How do I escape that? I tried using two single quotes, but it threw me some errors. eg. insert into my_table values(‘hi, my name”s tim.’); 1 14
The scanner can also use delimiters other than whitespace. Easy example from Scanner API: String input = “1 fish 2 fish red fish blue fish”; // \\s* means 0 or more repetitions of any whitespace character // fish is the pattern to find Scanner s = new Scanner(input).useDelimiter(“\\s*fish\\s*”); System.out.println(s.nextInt()); // prints: 1 System.out.println(s.nextInt()); // prints: 2 … Read more
