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Is there a concise way to iterate over a stream with indices in Java 8?
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The cleanest way is to start from a stream of indices:
String[] names = {"Sam", "Pamela", "Dave", "Pascal", "Erik"};
IntStream.range(0, names.length)
.filter(i -> names[i].length() <= i)
.mapToObj(i -> names[i])
.collect(Collectors.toList());
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How to make links in a TextView clickable?
...k.java:
// text2 has links specified by putting <a> tags in the string
// resource. By default these links will appear but not
// respond to user input. To make them active, you need to
// call setMovementMethod() on the TextView object.
TextView t2 = (TextView) findVie...
Adding a newline into a string in C#
I have a string.
12 Answers
12
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Java 8 Streams - collect vs reduce
... for having two different approaches:
If we wanted to take a stream of strings and concatenate them into a
single long string, we could achieve this with ordinary reduction:
String concatenated = strings.reduce("", String::concat)
We would get the desired result, and it would even wo...
JavaScript seconds to time string with format hh:mm:ss
...onvert a duration of time, i.e., number of seconds to colon-separated time string (hh:mm:ss)
43 Answers
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How to remove all null elements from a ArrayList or String Array?
... It creates Mutable copy and will not throw any exception.
public static String[] clean(final String[] v) {
List<String> list = new ArrayList<String>(Arrays.asList(v));
list.removeAll(Collections.singleton(null));
return list.toArray(new String[list.size()]);
}
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Partly JSON unmarshal into a map in Go
...his data will always be wrapped in an object with key/value pairs. The key-string will act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value into the correct type of struct.
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Can two Java methods have same name with different return types? [duplicate]
...re are no parameters, then you must have different names.
int doSomething(String s);
String doSomething(int); // this is fine
int doSomething(String s);
String doSomething(String s); // this is not
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How can I show dots (“…”) in a span with hidden overflow?
...e contents and add dots, you can use the below function.
function add3Dots(string, limit)
{
var dots = "...";
if(string.length > limit)
{
// you can also use substr instead of substring
string = string.substring(0,limit) + dots;
}
return string;
}
call like
add3Dots("Hello ...
uncaught syntaxerror unexpected token U JSON
...acter". I'm returning the json data from a php file and the returning json string is valid. I checked it with http://jsonlint.com/ . Any help would be appreciated... Thanks.
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