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Math.random() versus Random.nextInt(int)
...range 0 to n-1.
Prior to scaling by 6, the output of Math.random() is one of 2^53 possible values drawn from a uniform distribution.
Scaling by 6 doesn't alter the number of possible values, and casting to an int then forces these values into one of six 'buckets' (0, 1, 2, 3, 4, 5), each ...
Does Redis persist data?
... time to time, thus providing some level of persistence.
It saves data in one of the following cases:
automatically from time to time
when you manually call BGSAVE command
when redis is shutting down
But data in redis is not really persistent, because:
crash of redis process means losing all ...
Replace all spaces in a string with '+' [duplicate]
...egex solution that only replaces space characters has 10x the votes of the one that replaces all whitespace.
– Dagg Nabbit
Jul 16 '14 at 10:52
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Java Programming - Where should SQL statements be stored? [closed]
...red in a file (properties/xml file) is the next step.
Metadata driven (as done by an ORM like Hibernate/JPA) is the last step.
Hardcoded has the disadvantage that your code is likely to become DB-specific and that you need to rewrite/rebuild/redistribute on every change. Advantage is that you have ...
What is a git topic branch?
...l to whether it is a topic branch.
– Jean-Paul Calderone
Jan 3 '14 at 16:30
@Jean-PaulCalderone: I don't think I said ...
Return rows in random order [duplicate]
...FROM quotes ORDER BY RAND()
Although it is not the most efficient. This one is a better solution.
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HTML: How to create a DIV with only vertical scroll-bars for long paragraphs?
... That's pretty obvious: always go for the underdog, i.e.: the one with the lowest reputation. ;-)
– janmoesen
Apr 2 '10 at 12:55
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How to hide Bootstrap modal with javascript?
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@Umingo please recommend a method if the ones mentioned here are no good and you know of one.
– span
Mar 8 '18 at 23:05
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Get item in the list in Scala?
...utable ArrayList--you can read, but you can't write without creating a new one.
– Rex Kerr
Feb 13 '11 at 1:05
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Is there a performance impact when calling ToList()?
...er the worst circumstance, it goes through the item container and add them one by one into a new container. So its behavior affects little on performance. It's impossible to be a performance bottle neck of your application.
What's wrong with the code in the question
Directory.GetFiles goes through...