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Best way to use multiple SSH private keys on one client
...y multiple IdentityFile entries for the same Host, which are then tried in order when connecting.
– sschuberth
Oct 2 '13 at 9:28
14
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Any reason to prefer getClass() over instanceof when generating .equals()?
...equals and hashCode) then use getClass() equality instead of instanceof in order to preserve the symmetry and transitivity requirements of the equals contract.
– Shadow Man
Jul 16 '19 at 0:14
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Select statement to find duplicates on certain fields
...ou use the approach in the link above. Based on that you'll need to use an order by clause and a sub query if needed. If you can post some sample data, it would really help.
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What does java.lang.Thread.interrupt() do?
...ava is not pre-emptive. Put another way both threads have to cooperate in order to process the interrupt properly. If the target thread does not poll the interrupted status the interrupt is effectively ignored.
Polling occurs via the Thread.interrupted() method which returns the current thread's ...
How to select only the first rows for each unique value of a column
...th cte as (
select CName, AddressLine,
rank() over (partition by CName order by AddressLine) as [r]
from MyTable
)
select CName, AddressLine
from cte
where [r] = 1
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How can I list all tags in my Git repository by the date they were created?
...t=-creatordate
As I detail in "How to sort git tags by version string order of form rc-X.Y.Z.W?", you can add a sort order to git tag (since Git 2.0 June 2014).
That sort order includes as field name (listed in git for-each-ref) taggerdate. That allows for git tag --sort=taggerdate (mentioned...
Why do we need extern “C”{ #include } in C++?
...s all named foo:
A::foo()
B::foo()
C::foo(int)
C::foo(std::string)
In order to differentiate between them all, the C++ compiler will create unique names for each in a process called name-mangling or decorating. C compilers do not do this. Furthermore, each C++ compiler may do this is a differ...
Can I concatenate multiple MySQL rows into one field?
...d in their comment, you can also sort the values before imploding it using ORDER BY:
SELECT person_id, GROUP_CONCAT(hobbies ORDER BY hobbies ASC SEPARATOR ', ')
FROM peoples_hobbies
GROUP BY person_id;
As Dag stated in his comment, there is a 1024 byte limit on the result. To solve this, run this q...
What are the differences between numpy arrays and matrices? Which one should I use?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Angular JS: What is the need of the directive’s link function when we already had directive’s contro
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I've also found this article useful for understanding the order of execution here: The nitty-gritty of compile and link functions inside AngularJS directives
– BobbyA
Jul 21 '15 at 13:29
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