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Is an empty href valid?
... value is valid), none of the existing answers references the relevant specifications.
An empty string can’t be a URI. However, the href attribute doesn’t only take URIs as value, but also URI references. An empty string may be a URI reference.
HTML 4.01
HTML 4.01 uses RFC 2396, where it says...
Does Java have buffer overflows?
Does Java have buffer overflows?
If yes can you give me scenarios?
10 Answers
10
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Android: create a popup that has multiple selection options
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Hello, can you also show how I can set actions for specific item selections? Example: I want to let the user change the app language by clicking one of those items (probably using if statement).
– Arda Çebi
Feb 7 '18 at 20:11
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How to call an async method from a getter or setter?
...: I don't see why point (2) wouldn't work in that case. Just implement INotifyPropertyChanged, and then decide whether you want the old value returned or default(T) while the asynchronous update is in flight.
– Stephen Cleary
Nov 19 '13 at 11:57
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Remove last character from C++ string
...ur example is confusing, I think that the essence of the question is to modify the original string, in your example you're not modifying the original string, because in your example the original string is called "myString" which gives to the confusion, in the question it is "st". Your code should be...
How to match all occurrences of a regex
...r36 ar0und"
str.scan(/\d+/)
#=> ["54", "3", "1", "7", "3", "36", "0"]
If you want, MatchData, which is the type of the object returned by the Regexp match method, use:
str.to_enum(:scan, /\d+/).map { Regexp.last_match }
#=> [#<MatchData "54">, #<MatchData "3">, #<MatchData "1...
What are fail-safe & fail-fast Iterators in Java
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What is the difference between them ...
"Fail-safe" (in engineering) means that something fails in a way that causes no or minimal damage. Strictly speaking, there is no such thing in Java as a fail-safe iterator. If an iterator fails...
C# catch a stack overflow exception
...tances.
The CLR is being run in a hosted environment* where the host specifically allows for StackOverflow exceptions to be handled
The stackoverflow exception is thrown by user code and not due to an actual stack overflow situation (Reference)
*"hosted environment" as in "my code hosts CLR and ...
Django set default form values
...nts without you needing to do anything extra). Personally, I prefer to specify default values in the form definition and only use the initial=... mechanism if the desired default is a dynamic value (e.g. something entered by a user, or based on their login, geographical location, etc.)
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How to convert IEnumerable to ObservableCollection?
...t is using a foreach to copy the items to the internal collection, however if you do the foreach and call Add it will be going through InsertItem which does a lot of extra stuff that is unessesary when initially filling causing it to be slightly slower.
– Scott Chamberlain
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