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How to convert a String into an ArrayList?
...acle.com/javase/8/docs/api/java/util/regex/Pattern.html#splitAsStream-java.lang.CharSequence-. Since you don't need the array at all, avoid creating it thus:
// This will presumably be a static final field somewhere.
Pattern splitter = Pattern.compile("\\s+");
// ...
String untokenized = reader.re...
How to check String in response body with mockMvc
...ase try with different username\""));
Of course my assertion fail:
java.lang.AssertionError: Response content expected:
<"Username already taken - please try with different username"> but was:<"Something gone wrong">
because:
MockHttpServletResponse:
Body = "Something...
How to upper case every first letter of word in a string? [duplicate]
...
import org.apache.commons.lang.WordUtils;
public class CapitalizeFirstLetterInString {
public static void main(String[] args) {
// only the first letter of each word is capitalized.
String wordStr = WordUtils.capitalize("this is f...
How do you specify a byte literal in Java?
...ion. It's common sense if you both understand compilers and have faith in language designers (which we should), but otherwise not so obvious.
– Philip Guin
Nov 13 '13 at 5:29
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How to check if a string starts with one of several prefixes?
...
Besides the solutions presented already, you could use the Apache Commons Lang library:
if(StringUtils.startsWithAny(newStr4, new String[] {"Mon","Tues",...})) {
//whatever
}
Update: the introduction of varargs at some point makes the call simpler now:
StringUtils.startsWithAny(newStr4, "Mon"...
How can I give the Intellij compiler more heap space?
...
I was facing "java.lang.OutOfMemoryError: Java heap space" error while building my project using maven install command.
I was able to get rid of it by changing maven runner settings.
Settings | Build, Execution, Deployment | Build Tools | Mav...
':app:lintVitalRelease' error when generating signed apk
...abling them. In my case, they were about some missing strings for specific languages. Hit "Analyze" -> "Inspect code .."
– Markus
May 29 '18 at 14:11
2
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How can I truncate a double to only two decimal places in Java?
...Format("#.##").format(dblVar);
If you need it for calculations, use java.lang.Math:
Math.floor(value * 100) / 100;
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Properly removing an Integer from a List
...you could still ensure proper behaviour by using the fact that remove(java.lang.Object) operates on arbitrary objects:
myList.remove(new Object() {
@Override
public boolean equals(Object other) {
int k = ((Integer) other).intValue();
return k == 1;
}
}
...
mysql update column with value from another table
...
UPDATE cities c,
city_langs cl
SET c.fakename = cl.name
WHERE c.id = cl.city_id
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