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What is the difference between dynamic and static polymorphism in Java?
...serializes different
types of documents.
We can have ‘Document’ as the base class and different document type
classes deriving from it. E.g. XMLDocument , WordDocument , etc.
Document class will define ‘ Serialize() ’ and ‘ De-serialize() ’
methods as virtual and each derived class will ...
What does it mean when an HTTP request returns status code 0?
...efully (TCP FIN).
There are a number of things which could cause this, but based off of your description, some form of firewall seems the most likely culprit.
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How to properly seed random number generator
...ree that this matters to you will vary but you can avoid pitfalls of clock based seed values by simply using the crypto/rand.Read as source for your seed. It will give you that non-deterministic quality that you are probably looking for in your random numbers (even if the actual implementation itsel...
How do you modify a CSS style in the code behind file for divs in ASP.NET?
I'm trying to modify a CSS style attribute for a div based on the information I get from a database table in the code behind of my aspx page. The following is essentially what I am trying to do, but I get errors.
...
How does having a dynamic variable affect performance?
...chmark numbers
*Update 3: Added IL-Emitted and Lazy IL-Emitted benchmarks, based on Mark Gravell's answer to this question.
To my knowledge, use of the dynamic keyword does not cause any extra compilation at runtime in and of itself (though I imagine it could do so under specific circumstances, depe...
How to detect READ_COMMITTED_SNAPSHOT is enabled?
In MS SQL Server is there a way to detect whether a database has had its isolation level set via the T-SQL command ALTER DATABASE <database> SET READ_COMMITTED_SNAPSHOT ON;
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What is the purpose of the single underscore “_” variable in Python?
..., I'm one of the co-authors of more recent PEP 8 updates, and my answer is based on the 3 different ways I've seen _ used as a variable name since I started using Python professionally in 2002.
– ncoghlan
Jun 28 '15 at 3:54
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How to plot multiple functions on the same figure, in Matplotlib?
... as: plt.plot(t, a, 'b', t, b, 'g', t, c, 'y'). You can specify the colors based on the colors given in this link: matplotlib.org/users/colors.html
– Jash Shah
Oct 20 '17 at 8:50
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Why is this F# code so slow?
...parison". inline works like a C++ template, which would specialize to int based on the call site.
– Brian
May 24 '11 at 0:08
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How to automatically install Emacs packages by specifying a list of package names?
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Based on comments by Profpatsch and answers below:
(defun ensure-package-installed (&rest packages)
"Assure every package is installed, ask for installation if it’s not.
Return a list of installed packages or nil fo...