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How can I have a newline in a string in sh?
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The solution is to use $'string', for example:
$ STR=$'Hello\nWorld'
$ echo "$STR" # quotes are required here!
Hello
World
Here is an excerpt from the Bash manual page:
Words of the form $'string' are treated specially. The word expands to
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How do I convert a dictionary to a JSON String in C#?
I want to convert my Dictionary<int,List<int>> to JSON string. Does anyone know how to achieve this in C#?
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Converting String to “Character” array in Java
I want to convert a String to an array of objects of Character class but I am unable to perform the conversion. I know that I can convert a String to an array of primitive datatype type "char" with the toCharArray() method but it doesn't help in converting a String to an array of objects of C...
How to tell if a string contains a certain character in JavaScript?
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To find "hello" in your_string
if (your_string.indexOf('hello') > -1)
{
alert("hello found inside your_string");
}
For the alpha numeric you can use a regular expression:
http://www.regular-expressions.info/javascript.html
Alpha Numeric Re...
What is the proper way to check for null values?
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What about
string y = (Session["key"] ?? "none").ToString();
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Why does ++[[]][+[]]+[+[]] return the string “10”?
This is valid and returns the string "10" in JavaScript ( more examples here ):
9 Answers
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How to “properly” print a list?
...() function to call str for each element of mylist, creating a new list of strings that is then joined into one string with str.join(). Then, the % string formatting operator substitutes the string in instead of %s in "[%s]".
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How can I remove non-ASCII characters but leave periods and spaces using Python?
I'm working with a .txt file. I want a string of the text from the file with no non-ASCII characters. However, I want to leave spaces and periods. At present, I'm stripping those too. Here's the code:
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Best way to check for “empty or null value”
What is best way to check if value is null or empty string in Postgres sql statements?
10 Answers
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Can you avoid Gson converting “” into unicode escape sequences?
I noticed that Gson converts the string "
1 Answer
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