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What is the difference between self::$bar and static::$bar in PHP?
... a class member, you're referring to the class within which you use the keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you're referencing the same class.
Therefore if you tried to use self::$bar els...
How to sort in-place using the merge sort algorithm?
...isfied:
The work area should be within the bounds of the array. In other words, it should be big enough to hold elements exchanged in without causing any out-of-bound error.
The work area can be overlapped with either of the two sorted arrays; however, it must ensure that none of the unmerged elem...
Append an object to a list in R in amortized constant time, O(1)?
...208.011525 206.4490 208.279580 215.841129 5
>
First of all, a word about the min/lq/mean/median/uq/max values: Since we are performing the exact same task for each of 5 runs, in an ideal world, we could expect that it would take exactly the same amount of time for each run. But the firs...
What is a MIME type?
... it for building plug-ins, is provided, please explain in clear and simple words. What is it? Why do plug-ins have a MIME type?
...
Which is more efficient, a for-each loop, or an iterator?
...odifiers(opt) Type Identifier = #i.next();
Statement
}
In other words, it is required by the JLS that the two are equivalent. In theory that could mean marginal differences in bytecode, but in reality the enhanced for loop is required to:
Invoke the .iterator() method
Use .hasNext()
Mak...
Why doesn't Java allow generic subclasses of Throwable?
... What do you mean when you say 'reifiable'? 'reifiable' is not a word.
– ForYourOwnGood
Feb 1 '09 at 18:53
1
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HTML 5 tag vs Flash video. What are the pros and cons?
...there could be an accepted answer to this question, but I think that these words of wisdom deserve to be on the top.
– Vilx-
Oct 26 '10 at 17:53
add a comment
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Handling InterruptedException in Java
...program crash with a stack trace due to an InterruptedException). In other words, it does not make sense to declare this method with throws InterruptedException.
void printSum(Server server) {
try {
int sum = computeSum(server);
System.out.println("Sum: " + sum);
} catch...
Git cherry pick vs rebase
...by both "experiment" and "master" (what's the point of diversion, in other words). This is C2.
Saves away all the commits made since the diversion point; in our toy example, it's just C3.
Rewinds the HEAD (which points to the tip commit of "experiment" before the operation starts to run) to point to...
What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
...ch magic territory. I've been struggling with this issue and when followed word by word for a @OneToOne, the child rows get updated with a null in their FKey column that references the parent.
– Ashesh
Mar 5 '16 at 17:59
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