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Why not inherit from List?
...st<Player> while you're at it, unless you believe that everyone who knows about a football team gets to delete players from the roster.
Is inheriting from List<T> always unacceptable?
Unacceptable to who? Me? No.
When is it acceptable?
When you're building a mechanism that ...
Rails ActiveRecord date between
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Day.where(:reference_date => 6.months.ago..Time.now) works, thanks
– boulder_ruby
Nov 5 '12 at 1:41
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PadLeft function in T-SQL
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SQL Server now supports the FORMAT function starting from version 2012, so:
SELECT FORMAT(id, '0000') FROM TableA
will do the trick.
If your id or column is in a varchar and represents a number you convert first:
SELECT FORMAT(CON...
Difference between WAIT and BLOCKED thread states
... Assume there is only one thread and waited on some time in millis; now Is it possible a thread can directly from waiting state to go to runnable state? since no other thread takes lock here since only single threaded?
– Kanagavelu Sugumar
Jun 15 '16 at ...
Static function variables in Swift
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Swift 1.2 with Xcode 6.3 now supports static as expected. From the Xcode 6.3 beta release notes:
“static” methods and properties are now allowed in classes (as an
alias for “class final”). You are now allowed to declare static stored
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Pointer to pointer clarification
...lue of ipp. So, ipp still points to ip1 (the value of ipp), ip1's value is now the same as ip2's value, so they both point to j.
This:
*ipp = ip2;
is the same as:
ip1 = ip2;
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Hiding a password in a python script (insecure obfuscation only)
...own own file.
For passwords that the user of the script isn't allowed to know - you can run the script with elavated permission and have the password file owned by that root/admin user.
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Work on a remote project with Eclipse via SSH
...(Wait as the remote project is created.)
If done correctly, there should now be a new remote project accessible from the Project Explorer and other perspectives within eclipse. With the SSH connection set-up correctly passwords can be made an optional part of the normal SSH authentication process....
Update Eclipse with Android development tools v. 23
I updated Eclipse with the new SDK tools (rev. 23), but now when Eclipse starts I receive the error:
43 Answers
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How to use Class in Java?
... what they really do behind the scenes over at this question , so we all know that Vector<int[]> is a vector of integer arrays, and HashTable<String, Person> is a table of whose keys are strings and values Person s.
However, what stumps me is the usage of Class<> .
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