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Storing DateTime (UTC) vs. storing DateTimeOffset
I usually have an "interceptor" that right before reading/writing from/to the database does DateTime conversion (from UTC to local time, and from local time to UTC), so I can use DateTime.Now (derivations and comparisions) throughout the system without worrying about time zones.
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What is the difference between “git init” and “git init --bare”?
...on't want/need a "logically central" repository. One would prefer git pull from the other repositories in that case. This avoids the objections that git has when pushing to non-bare repositories.
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What is the difference between compare() and compareTo()?
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From JavaNotes:
a.compareTo(b):
Comparable interface : Compares values and returns an int which tells if the values compare less than, equal, or greater than.
If your class objects have a natural order, implement the Compar...
What is the difference between 'my' and 'our' in Perl?
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Great question: How does our differ from my and what does our do?
In Summary:
Available since Perl 5, my is a way to declare non-package variables, that are:
private
new
non-global
separate from any package, so that the variable cannot be accessed in the ...
Access mysql remote database from command line
I have a server with Rackspace. I want to access the database from my local machine command line.
17 Answers
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What is a difference between
...tor uses the ? extends E form so it guarantees that when it fetches values from the collection, they will all be E or some subclass (i.e. it's compatible). The drainTo method is trying to put values into the collection, so the collection has to have an element type of E or a superclass.
As an exam...
How to re-raise an exception in nested try/except blocks?
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plan_B()
except AlsoFailsError:
raise e # or raise e from None - see below
The traceback produced will include an additional notice that SomeError occurred while handling AlsoFailsError (because of raise e being inside except AlsoFailsError). This is misleading because what ac...
How to remove new line characters from a string?
... I had a similar problem where I needed also to remove newlines from my string. I tried to do it with string.Replace, didn't work. When I used Regex.Replace with the exact same regular expression string as the parameter, it worked. Thanks.
– instanceof
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Strip whitespace from jsp output
How can I strip out extra whitespace from jsp pages' output? Is there a switch I can flip on my web.xml? Is there a Tomcat specific setting?
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Arrays vs Vectors: Introductory Similarities and Differences [closed]
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arrays:
are a builtin language construct;
come almost unmodified from C89;
provide just a contiguous, indexable sequence of elements; no bells and whistles;
are of fixed size; you can't resize an array in C++ (unless it's an array of POD and it's allocated with malloc);
their size must be ...