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What are the differences between concepts and template constraints?
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
...ke me at 7am wherever I am") and an instant in time ("I'm calling James at 3pm PST; it may not be 3pm where he is, but it's the same instant")
I believe it makes it easier to update the timezone database, which does change relatively frequently
It has a good immutability story, which makes life a lo...
Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
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answered Mar 13 '12 at 16:45
Matthew WaltonMatthew Walton
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How to configure MongoDB Java driver MongoOptions for production use?
... before a connection attempt is aborted. Set timeout to something long (15-30 seconds) unless there's a realistic, expected chance this will be in the way of otherwise succesful connection attempts. Normally if a connection attempt takes longer than a couple of seconds your network infrastructure is...
Proper practice for subclassing UIView?
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Apple defined pretty clearly how to subclass UIView in the doc.
Check out the list below, esp...
NSLog the method name with Objective-C in iPhone
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print(__FUNCTION__) // Swift
NSLog(@"%@", NSStringFromSelector(_cmd)); // Objective-C
Swift 3 ...
Why does Math.round(0.49999999999999994) return 1?
... pathological case.2 Java 7 no longer mandates this broken implementation.3
The problem
0.5+0.49999999999999994 is exactly 1 in double precision:
static void print(double d) {
System.out.printf("%016x\n", Double.doubleToLongBits(d));
}
public static void main(String args[]) {
double a =...
Why should I use core.autocrlf=true in Git?
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The only specific reasons to set autocrlf to true are:
avoid git status showing all your file...
How can I exclude some folders from my Eclipse project?
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edited May 23 '17 at 11:46
Community♦
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answered Jul 27 '09 at 12:30
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Combine two data frames by rows (rbind) when they have different sets of columns
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13 Answers
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