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Sort objects in ArrayList by date?
...e(Date datetime) {
this.dateTime = datetime;
}
@Override
public int compareTo(MyObject o) {
return getDateTime().compareTo(o.getDateTime());
}
}
And then you sort it by calling:
Collections.sort(myList);
However sometimes you don't want to change your model, like when you want ...
Static nested class in Java, why?
...her members of the enclosing class.
...
Note: A static nested class interacts with the instance members of its outer class (and other classes) just like any other top-level class. In effect, a static nested class is behaviorally a top-level class that has been nested in another top-level clas...
C#: Printing all properties of an object [duplicate]
...ere you can an object name (while in debug mode), press enter, and it is printed fairly prettily with all its stuff.
9 Answ...
What does {0} mean when initializing an object?
...licitly initialized shall be
default-initialized.
Example:
struct S { int a; char* b; int c; };
S ss = { 1, "asdf" };
initializes ss.a with 1, ss.b with
"asdf", and ss.c with the value of an
expression of the form int(), that is,
0.
You can find the complete spec on this topic her...
.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
... Basic books talk about them to a certain extent, but they never really go into any real detail.
13 Answers
...
Error: free(): invalid next size (fast):
...
It means that you have a memory error. You may be trying to free a pointer that wasn't allocated by malloc (or delete an object that wasn't created by new) or you may be trying to free/delete such an object more than once. You may be overflowing a buffer or otherwise writing to memory to whic...
Retain precision with double in Java
The above code prints:
22 Answers
22
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@import vs #import - iOS 7
... header files anyway.
So leaving the #import will be just the same as its converted to a module import where possible anyway
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install / uninstall APKs programmatically (PackageManager vs Intents)
...t be necessary! It should be the responsibility of the PackageManager to maintain the installedBy(a, b) relationship. In fact, according to the API it is:
...
DateTime.Now vs. DateTime.UtcNow
...
As you can see here, comparisons and math functions don't automatically convert to compatible times. The Timespan should have been almost one hour, but instead was almost 6. "utc < now" should have been true (I even added an hour to be sure), but was still false.
You can also see the 'work ...