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Type List vs type ArrayList in Java [duplicate]
...ore a reference to a HashSet or TreeSet in a variable of type Set.
Set<String> names = new HashSet<String>();
This way, you have to change only one line if you decide to use a TreeSet instead.
Also, methods that operate on sets should specify parameters of type Set:
public static voi...
Excel Date to String conversion
...election
End Sub
Sub toText(target As range)
Dim cell As range
Dim txt As String
For Each cell In target
txt = cell.text
cell.NumberFormat = "@"
cell.Value2 = txt
Next cell
End Sub
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java: HashMap not working
HashMap<String, int> doesn't seem to work but HashMap<String, Integer> does work.
Any ideas why?
5 Answers
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The default for KeyValuePair
...variable 'intValue'
int intValue = 0;
long longValue = 12;
KeyValuePair<String, int> kvp1 = new KeyValuePair<String, int>("string", 11);
KeyValuePair<String, int> kvp2 = new KeyValuePair<String, int>();
List<KeyValuePair<String, int>> kvps = new List<KeyValuePa...
Best way to split string into lines
How do you split multi-line string into lines?
10 Answers
10
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Meaning of “[: too many arguments” error from if [] (square brackets)
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If your $VARIABLE is a string containing spaces or other special characters, and single square brackets are used (which is a shortcut for the test command), then the string may be split out into multiple words. Each of these is treated as a separat...
How do I trim a file extension from a String in Java?
...
str.substring(0, str.lastIndexOf('.'))
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How to use GROUP BY to concatenate strings in SQL Server?
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A slightly cleaner way of doing the string manipulation: STUFF((SELECT ', ' + [Name] + ':' + CAST([Value] AS VARCHAR(MAX)) FROM #YourTable WHERE (ID = Results.ID) FOR XML PATH ('')),1,2,'') AS NameValues
– Jonathan Sayce
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Difference between \b and \B in regex
...ches spaces (probably because "b" suggests "blank").
\b matches the empty string at the beginning or end of a word. \B matches the empty string not at the beginning or end of a word. The key here is that "-" is not a part of a word. So <left>-<right> matches \b-\b because there are w...
Spring .properties file: get element as an Array
...ava class like this:
@Value("${base.module.elementToSearch}")
private String[] elementToSearch;
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