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How do I find out if first character of a string is a number?
... && c <= '9');
Or the slower regex solutions:
s.substring(0, 1).matches("\\d")
// or the equivalent
s.substring(0, 1).matches("[0-9]")
However, with any of these methods, you must first be sure that the string isn't empty. If it is, charAt(0) and substring(0, 1) will throw a StringIn...
Android and in TextView
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187
TextView respects the Unicode no-break space character (\u00A0), which would be a simpler/ligh...
C# Thread safe fast(est) counter
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answered Nov 1 '12 at 16:50
Austin SalonenAustin Salonen
44.8k1515 gold badges100100 silver badges134134 bronze badges
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Where are the PostgreSQL logs on macOS?
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answered Apr 2 '10 at 23:47
Jeremiah PeschkaJeremiah Peschka
7,79055 gold badges3636 silver badges5959 bronze badges
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How might I convert a double to the nearest integer value?
...ossibly in conjunction with MidpointRounding.AwayFromZero
eg:
Math.Round(1.2) ==> 1
Math.Round(1.5) ==> 2
Math.Round(2.5) ==> 2
Math.Round(2.5, MidpointRounding.AwayFromZero) ==> 3
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Copy a table from one database to another in Postgres
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19 Answers
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How to iterate object in JavaScript? [duplicate]
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143
You can do it with the below code. You first get the data array using dictionary.data and assi...
Convert a char to upper case using regular expressions (EditPad Pro)
...xample:
test this sentence
Find what: \([^ ]*\) \(.*\)
Replace with: \U\1\E \2
the \U will cause all following chars to be upper
the \E will turn off the \U
the result will be:
TEST this sentence
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