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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
...0 Beta 2 has a new IsNullOrWhiteSpace() method for
strings which generalizes the IsNullOrEmpty() method to also include other white
space besides empty string.
The term “white space” includes all characters that are not visible on
screen. For example, space, line break, tab and empty ...
Uri to default sound notification?
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Bash/sh - difference between && and ;
... will run.
But with && the second one will not run.
This is a "lazy" logical "AND" operand between operations.
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Stretch and scale a CSS image in the background - with CSS only
... my background image stretch and scale depending on the browser viewport size.
22 Answers
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Add new item in existing array in c#.net
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I would use a List if you need a dynamically sized array:
List<string> ls = new List<string>();
ls.Add("Hello");
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Get string character by index - Java
...looking for is charAt. Here's an example:
String text = "foo";
char charAtZero = text.charAt(0);
System.out.println(charAtZero); // Prints f
For more information, see the Java documentation on String.charAt. If you want another simple tutorial, this one or this one.
If you don't want the result ...
Java: getMinutes and getHours
...mat
calendar.get(Calendar.MONTH); // gets month number, NOTE this is zero based!
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Changing Java Date one hour back
...ow().minusHours(1)
Java 8 java.time.Instant
// always in UTC if not timezone set
Instant.now().minus(1, ChronoUnit.HOURS));
// with timezone, Europe/Berlin for example
Instant.now()
.atZone(ZoneId.of("Europe/Berlin"))
.minusHours(1));
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Can you break from a Groovy “each” closure?
...eid
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What is the difference between trie and radix trie data structures?
...n
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answered Feb 5 '13 at 13:45
Ivaylo StrandjevIvaylo Strandjev
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