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Round a double to 2 decimal places [duplicate]
...199.1231231235 == 999199.1231231236 // true
1.03 - 0.41 // 0.6200000000000001
For exactness, you want to use BigDecimal. And while at it, use the constructor that takes a String, never the one taking double. For instance, try executing this:
System.out.println(new BigDecimal(1.03).subtract(new Bi...
Find size of Git repository
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Note that, since git 1.8.3 (April, 22d 2013):
"git count-objects" learned "--human-readable" aka "-H" option to show various large numbers in Ki/Mi/GiB scaled as necessary.
That could be combined with the -v option mentioned by Jack Morrison in his answer.
g...
Java Singleton and Synchronization
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mfb
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answered Jun 23 '12 at 1:01
JeffreyJeffrey
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Browse and display files in a git repo without cloning
...ub.com/repos/learningequality/ka-lite/git/trees/7b698a988683b161bdcd48a949b01e2b336b4c01
I hope this may help.
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Why seal a class?
...o me :(
– Jon Skeet
Nov 6 '08 at 11:01
4
@CVertex: Sorry, I wasn't trying to criticize you - just...
Java: Date from unix timestamp
...ole seconds since the epoch reference of first moment of 1970 in UTC, 1970-01-01T00:00Z. The result is an Instant.
Instant instant = Instant.ofEpochSecond( timeStamp );
If you need a java.util.Date to interoperate with old code not yet updated for java.time, convert. Call new conversion methods a...
How do I check two or more conditions in one ?
... answered Oct 24 '18 at 13:38
A_01A_01
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How to create GUID / UUID?
...return v.toString(16);
});
}
console.log(uuidv4());
Update, 2015-06-02: Be aware that UUID uniqueness relies heavily on the underlying random number generator (RNG). The solution above uses Math.random() for brevity, however Math.random() is not guaranteed to be a high-quality RNG. ...
How can I get color-int from color resource?
... satsat
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What is “assert” in JavaScript?
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answered Mar 9 '13 at 17:01
T.J. CrowderT.J. Crowder
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