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Limits of Nat type in Shapeless
...a> Nat(3)
res10: shapeless.Succ[shapeless.Succ[shapeless.Succ[shapeless._0]]] = Succ()
So to represent the number 1000000, you would have a type that is nested 1000000 levels deep, which would definitely blow up the scala compiler. The current limit seems to be about 400 from experimentation, b...
LESS CSS nesting classes
... edited Mar 13 '19 at 14:14
E_net4
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answered Feb 25 '11 at 12:22
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slashes in url variables
...uld easily replace the forward slashes / with something like an underscore _ such as Wikipedia uses for spaces. Replacing special characters with underscores, etc., is common practice.
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impr...
Making text background transparent but not text itself
... answered Sep 25 '13 at 21:44
BL_BL_
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How can I create an array with key value pairs?
...bracket syntax:
if (!empty($row["title"])) {
$catList[$row["datasource_id"]] = $row["title"];
}
$row["datasource_id"] is the key for where the value of $row["title"] is stored in.
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imp...
How do I use valgrind to find memory leaks?
...o come to this question and are still new to Linux—you might have to install Valgrind on your system.
sudo apt install valgrind # Ubuntu, Debian, etc.
sudo yum install valgrind # RHEL, CentOS, Fedora, etc.
Valgrind is readily usable for C/C++ code, but can even be used for other
languages wh...
Can angularjs routes have optional parameter values?
...using the trailing slash? If my route is: .when('/claims/documents/:CLAIMS_ID/:DOCUMENT_NAME?'... it won't match if the url doesn't have a trailing slash. So /claims/documents/1234/ matches, but /claims/documents/1234 doesn't.
– James Bell
Nov 21 '14 at 20:40...
Splitting String with delimiter
... answered May 8 '13 at 21:50
tim_yatestim_yates
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Creating Multifield Indexes in Mongoose / MongoDB
...ommand can be used to create compound index for nested json:
db.ACCOUNT_collection.createIndex({"account.id":1,"account.customerId":1},{unique:1})
Mongo json structure is like :
{"_id":"648738"
"account": {
"id": "123",
"customerId": 7879,
"name": "test"
..
..
}
}
I hav...
Why can't I see the “Report Data” window when creating reports?
...
After I accidentally closed this window, I took an hour to find how to bring it back up.
The right answer is indeed:
View-->Report Data (ctrl+alt+D)
The tricky part: the 'Report Data' entry does not always appear in the 'View' dropdown...