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Scala how can I count the number of occurrences in a list
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A somewhat cleaner version of one of the other answers is:
val s = Seq("apple", "oranges", "apple", "banana", "apple", "oranges", "oranges")
s.groupBy(identity).mapValues(_.size)
giving a Map with a count for each item in the o...
Why not use HTTPS for everything?
... and protect the user entirely. It would prevent problems such as deciding what has to be secured because everything would be, and it's not really an inconvenience to the user.
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Wolfram's Rule 34 in XKCD [closed]
...cell and its neighbors match rule 0 above, it turns white/negative/0/false/whatever. The second least significant digit is one, so if the cell and its neighbors match rule 1 above, it turns black/positive/1/true/whatever`, etc. etc. until you see that, for rule 110, if a cell and its neighbors match...
Transfer-Encoding: gzip vs. Content-Encoding: gzip
What is the current state of affairs when it comes to whether to do
2 Answers
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How to parse/format dates with LocalDateTime? (Java 8)
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@micha what if i have "2016-12-31T07:59:00.000Z" this date formate?
– Dawood Ahmed
Apr 26 '16 at 12:29
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Double vs single quotes
...there is no significant performance impact and it will just make you think what you have to use. Just use double-quoted strings.
– Matheus
Jun 10 '19 at 11:07
add a comment
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How to set JAVA_HOME environment variable on Mac OS X 10.9?
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Yes, that's what I mean. And yes, that will add the variable for all login shells for your user (i.e, pretty much all of the circumstances in which you would want it)
– Adrian Petrescu
Apr 3 '14 at ...
Check if a value exists in pandas dataframe index
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@MaximG What do you mean? This works for a non-unique index as well.
– joris
Jul 30 '15 at 15:40
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What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
...sparency(and IE6 is not a factor)
And as commented, if you are unsure of what would qualify, try each format with different compression ratios and weigh the quality and size of the picture and choose which one you think is best. I am only giving rules of thumb.
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Git - Undo pushed commits
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Exactly what I searched for. Somebody did a faulty commit and push and reverted it again afterwards. The branches could not be merged because of this and I wanted to get the repository to be in the correct state again (and removing t...