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Java: Detect duplicates in ArrayList?
...s the ArrayList.
List<Integer> list = ...;
Set<Integer> set = new HashSet<Integer>(list);
if(set.size() < list.size()){
/* There are duplicates */
}
Update: If I'm understanding your question correctly, you have a 2d array of Block, as in
Block table[][];
and you want ...
Twitter Bootstrap: div in container with 100% height
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
...
Where and why do I have to put the “template” and “typename” keywords?
...d that I should better use existing similar questions instead of making up new "pseudo questions" just for the purpose of answering them. Thanks go to @Prasoon, who edited the ideas of the last part (cases where typename/template is forbidden) into the answer.
– Johannes Schaub...
Windows batch: call more than one command in a FOR loop?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f2252979%2fwindows-batch-call-more-than-one-command-in-a-for-loop%23new-answer', 'question_page');
}
);
...
How to solve the “failed to lazily initialize a collection of role” Hibernate exception
...", cascade = CascadeType.ALL)
private Collection<Comment> comments = new LinkedHashSet<Comment>();
Collections are lazy-loaded by default, take a look at this if you want to know more.
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How to vertically align elements in ?
...s well as their contents to be in the middle vertically. Please help; I am new to CSS.
4 Answers
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How to kill zombie process
...nate the zombie. (After the parent dies, the zombie will be inherited by pid 1, which will wait on it and clear its entry in the process table.) If your daemon is spawning children that become zombies, you have a bug. Your daemon should notice when its children die and wait on them to determine t...
Timer & TimerTask versus Thread + sleep in Java
...in a shorter form as well as your own example:
Timer uploadCheckerTimer = new Timer(true);
uploadCheckerTimer.scheduleAtFixedRate(
new TimerTask() {
public void run() { NewUploadServer.getInstance().checkAndUploadFiles(); }
}, 0, 60 * 1000);
...
T-SQL datetime rounded to nearest minute and nearest hours with using functions
...lly should have been done on the Java side.
– Corwin Newall
Aug 3 '19 at 20:24
For computations with datetimeoffset, I...
Explanation of BASE terminology
...as to do with BASE: the BASE jumper kind is always Basically Available (to new relationships), in a Soft state (none of his relationship last very long) and Eventually consistent (one day he will get married).
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