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Can enums be subclassed to add new elements?
... that peace of code for the next project either and instead extend the base_enum ... it makes sense to me...
– mmm
Apr 11 '12 at 11:12
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Design Patterns: Factory vs Factory method vs Abstract Factory
...ease remove or edit your answer accordingly.
– Julien__
Nov 11 '16 at 21:21
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Why does Math.round(0.49999999999999994) return 1?
...ang/Math.html#round%28double%29
2. http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6430675 (credits to @SimonNickerson for finding this)
3. http://docs.oracle.com/javase/7/docs/api/java/lang/Math.html#round%28double%29
4. http://grepcode.com/file/repository.grepcode.com/java/root/jdk/op...
What's the difference between using INDEX vs KEY in MySQL?
... at table info in the latest version of SQLYog it shows KEY keyname (column_name) when I created the table with INDEX keyname (column_name). The fact that it is a synonym explains it perfectly.
– crmpicco
Apr 2 '14 at 10:10
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Rails 3 check if attribute changed
...mentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
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dynamic_cast and static_cast in C++
I am quite confused with the dynamic_cast keyword in C++.
10 Answers
10
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How do you know a variable type in java?
... answered Feb 5 '14 at 4:24
Copy_PasteCopy_Paste
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SqlDataAdapter vs SqlDataReader
...ld have when using a SqlDataReader:
Using cn As New SqlConnection("..."), _
cmd As New SqlCommand("...", cn)
cn.Open()
Using rdr As SqlDataReader = cmd.ExecuteReader()
While rdr.Read()
''# ...
End While
End Using
End Using
equivalent C#:
using ...
Way to go from recursion to iteration
...ack, heap does not have memory restrictions. See gribblelab.org/CBootCamp/7_Memory_Stack_vs_Heap.html
– yuqli
Aug 28 '18 at 3:22
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anchor jumping by using javascript
...mple solution:
window.location = (""+window.location).replace(/#[A-Za-z0-9_]*$/,'')+"#myAnchor"
This method does not reload the website, and sets the focus on the anchors which are needed for screen reader.
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