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Scala: What is a TypeTag and how do I use it?
...lass Bar extends Foo
def meth[A](xs: List[A]) = xs match {
case _: List[String] => "list of strings"
case _: List[Foo] => "list of foos"
}
we will get warnings:
<console>:23: warning: non-variable type argument String in type pattern List[String]↩
is unchecked since it is elimi...
What is the best way to prevent session hijacking?
... work but here goes: Add a serial number into your session cookie, maybe a string like this:
SessionUUID, Serial Num, Current Date/Time
Encrypt this string and use it as your session cookie. Regularly change the serial num - maybe when the cookie is 5 minutes old and then reissue the cookie. You ...
Unable to Cast from Parent Class to Child Class
... and adapt the non-existing data. Like converting claws to nails, chasing string to chasing ball, etc...
– TamusJRoyce
Mar 1 '12 at 15:22
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Get real path from URI, Android KitKat new storage access framework [duplicate]
...on the SD card situation).
To get document id:
// Will return "image:x*"
String wholeID = DocumentsContract.getDocumentId(uriThatYouCurrentlyHave);
// Split at colon, use second item in the array
String id = wholeID.split(":")[1];
String[] column = { MediaStore.Images.Media.DATA };
// wher...
Get the size of the screen, current web page and browser window
...() seems to work for all elements, and returns a number (46) rather than a string like css('height') ("46px").
– Chris
Feb 6 '13 at 16:02
7
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Why can't Python find shared objects that are in directories in sys.path?
...D_LIBRARY_PATH
Use the first form if it's empty (equivalent to the empty string, or not present at all), and the second form if it isn't. Note the use of export.
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How to trim leading and trailing white spaces of a string?
...hich is the effective way to trim the leading and trailing white spaces of string variable in Go?
7 Answers
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Overriding id on create in ActiveRecord
... @jkndrkn - I don't know what you mean. I've got ActiveRecord::VERSION::STRING == "3.2.11" here (with the sqlite3 adapter) and the above works for me.
– Felix Rabe
Feb 17 '13 at 18:43
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Managing relationships in Laravel, adhering to the repository pattern
...ansfer objects instead of eloquent objects? Of course this would imply an extra conversion from eloquent to dto's but this way, at least, you isolate your controllers/views from the current orm implementation.
– federivo
Sep 16 '13 at 14:14
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What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
...merable which can be lazily evaluated somewhat, whereas GetFiles returns a string[] which has to be fully populated before it can return.
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