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Scala best way of turning a Collection into a Map-by-key?
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I've been reading about Scala for >2 weeks and working through examples and not once had I seen this ": _ *" notation! Thanks very much for your help
– oxbow_lakes
Mar 23 '09 at 21:15
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PHP Session Security
...'s temp directory. Without any special thought or planning this is a world readable directory so all of your session information is public to anyone with access to the server.
As for maintaining sessions over multiple servers. At that point it would be better to switch PHP to user handled sessions ...
Error when changing to master branch: my local changes would be overwritten by checkout
... warning others which are begginers with git (they have to be beginners if reading this post) to be ready to say goodbye to any changes they made. I thought that time that changes done in one branch should stay on that branch until I checkout it again. Hint to newcomers who think that way too: use g...
What's the difference of strings within single or double quotes in groovy?
...ints "hi $a"
Also, the link given by julkiewicz in their answer is worth reading (esp. the part about GStrings not being Strings about 2/3 of the way down.
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How does Apple find dates, times and addresses in emails?
...tually developed a very long time ago called Apple Data Detectors. You can read more about it here:
http://www.miramontes.com/writing/add-cacm/
Essentially it parses the text and detects patterns that represent specific pieces of data, then applies OS-contextual actions to it. It's neat.
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How to use GROUP_CONCAT in a CONCAT in MySQL
... Demo (scroll down as it has two result sets)
Edit There was a mistake in reading question, I had grouped only by id. But two group_contacts are needed if (Values are to be concatenated grouped by Name and id and then over all by id). Previous answer was
select
id,group_concat(concat(`name`,':',`...
Java recursive Fibonacci sequence
...(3) + fibonacci(2)
fibonacci(2) = fibonacci(1) + fibonacci(0)
Now you already know fibonacci(1)==1 and fibonacci(0) == 0. So, you can subsequently calculate the other values.
Now,
fibonacci(2) = 1+0 = 1
fibonacci(3) = 1+1 = 2
fibonacci(4) = 2+1 = 3
fibonacci(5) = 3+2 = 5
And from fibonacci se...
How do I configure git to ignore some files locally?
...udesFile to the name of a file containing global patterns.
Note, if you already have unstaged changes you must run the following after editing your ignore-patterns:
git update-index --assume-unchanged <file-list>
Note on $GIT_DIR: This is a notation used all over the git manual simply to i...
Is inject the same thing as reduce in ruby?
...t be better if it just says the same as inject so that users don't have to read the two description and try to figure out if they are the same... doesn't this go with the DRY principle?
– nonopolarity
Dec 30 '15 at 19:39
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Should I inherit from std::exception?
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@Emil: We have already gone through this argument. Where I pointed out that that is not what you are putting in the exception. You understanding of the subject seems good but your argument is flawed. Error messages generated for the user are ...