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How do I append text to a file?
...
cat >> filename
This is text, perhaps pasted in from some other source.
Or else entered at the keyboard, doesn't matter.
^D
Essentially, you can dump any text you want into the file. CTRL-D sends an end-of-file signa...
Do C# Timers elapse on a separate thread?
...cumentation on Timers states:
The System.Threading.Timer class makes
callbacks on a ThreadPool thread and
does not use the event model at all.
So indeed the timer elapses on a different thread.
share
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Storing DateTime (UTC) vs. storing DateTimeOffset
...ading/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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How do I save and restore multiple variables in python?
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If you need to save multiple objects, you can simply put them in a single list, or tuple, for instance:
import pickle
# obj0, obj1, obj2 are created here...
# Saving the objects:
with open('objs.pkl', 'w') as f: # Python 3: open(..., 'wb')
pickle.dump([obj0, ...
Definition of a Balanced Tree
... / \
D E F
/
G
The next one is not balanced because the subtrees of C differ by 2 in their height:
A
/ \
B C <-- difference = 2
/ /
D E
/
G
That said, the specific constraint of the first point depends on the type of tree. ...
What are the differences between vector and list data types in R?
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Technically lists are vectors, although very few would use that term. "list" is one of several modes, with others being "logical", "character", "numeric", "integer". What you are calling vectors are "atomic vectors" in strict R par...
Difference between int32, int, int32_t, int8 and int8_t
I came across the data type int32_t in a C program recently. I know that it stores 32 bits, but don't int and int32 do the same?
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Static function variables in Swift
I'm trying to figure out how to declare a static variable scoped only locally to a function in Swift.
4 Answers
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Citing the author of a blockquote using Markdown syntax
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Markdown has no dedicated citation syntax.
Your best bet is something like this:
> Quote here.
>
> -- <cite>Benjamin Franklin</cite>
which results in:
Quote here.
-- Benjamin Franklin
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Automapper - how to map to constructor parameters instead of property setters
In cases where my destination setters are private, I might want to map to the object using the destination object's constructor. How would you do this using Automapper?
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