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How to pass parameters to anonymous class?
...se are executed in the same order as field assignments, i.e. after super() and before the rest of the actual constructor. new someclass(){ fields; {initializer} fields; methods(){} }. It's sort of like a static initializer but without the static keyword. docs.oracle.com/javase/specs/jls/se7/html/jls...
Check if two unordered lists are equal [duplicate]
...ype for an unordered collection of (hashable) things, called a set. If you convert both lists to sets, the comparison will be unordered.
set(x) == set(y)
Documentation on set
EDIT: @mdwhatcott points out that you want to check for duplicates. set ignores these, so you need a similar data struc...
Runtime vs. Compile time
What is the difference between run-time and compile-time?
28 Answers
28
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Is there a method that calculates a factorial in Java?
...ommon example program for beginners. But wouldn't it be useful to have a standard implementation for this one to reuse?
I could use such a method with standard types (Eg. int, long...) and with BigInteger / BigDecimal, too.
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Consistency of hashCode() on a Java string
...because the algorithm has been specified... so long as you're willing to abandon compatibility with releases before the algorithm was specified, of course.
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Connect to Amazon EC2 file directory using Filezilla and SFTP
...m file and select it.
A message box will appear asking your permission to convert the file into ppk format. Click Yes, then give the file a name and store it somewhere.
If the new file is shown in the list of Keyfiles, then continue to the next step. If not, then click "Add keyfile..." and select ...
Easy way to concatenate two byte arrays
...u simply add the line outputStream.write( c ); - you don't have to go back and edit the line where you create the result byte array. Also, re-ordering the arrays is simple, unlike using the arraycopy method.
– Wayne Uroda
Aug 27 '12 at 11:38
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C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
...std::memory_order_acquire); p; p = p->next_) {
if (!p->active_.test_and_set()) {
return p;
}
}
auto p = new HazardPointer<T>();
p->active_.test_and_set();
do {
p->next_ = head_list_.load(std::memory_order_acquire);
} while (!head_list_.compare...
Defining a function with multiple implicit arguments in Scala
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They must all go in one parameter list, and this list must be the last one.
def myfun(arg:String)(implicit p1: String, p2:Int)={}
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Python JSON serialize a Decimal object
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Hmm, for me this converts Decimal objects to floats, which is not acceptable. Loss of precision when working with currency, for instance.
– Matthew Schinckel
Oct 22 '10 at 0:12
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