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Rotating a point about another point (2D)
...nt
{
public double X;
public double Y;
public string Print(){
return $"{X},{Y}";
}
}
}
Ps: Apparently I can’t comment, so I’m obligated to post it as an answer ...
s...
Difference between Covariance & Contra-variance
...rable<out T>, Func<out T>
You can convert from IEnumerable<string> to IEnumerable<object>, or Func<string> to Func<object>. Values only come out from these objects.
It works because if you're only taking values out of the API, and it's going to return something ...
Understanding Apache's access log
...ny is present, and "-" otherwise.
User-agent is the browser identification string.
The complete(?) list of formatters can be found here. The same section of the documentation also lists other common log formats; readers whose logs don't look quite like this one may find the pattern their Apache co...
jQuery - Add ID instead of Class
...));
});
});
So you are changing/overwriting the id of three elements and adding an id to one element.
You can modify as per you needs...
share
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f...
How to detect idle time in JavaScript elegantly?
...the end of an expression statement are optional and you can in fact pass a string to setInterval, which then gets evaluated as JavaScript.
– Felix Kling
Nov 17 '13 at 17:51
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Your content must have a ListView whose id attribute is 'android.R.id.list'
...
Rename the id of your ListView like this,
<ListView android:id="@android:id/list"
android:layout_width="fill_parent"
android:layout_height="fill_parent"/>
Since you are using ListActivity your xml file must specify the keyword android while mentioning to a ID.
I...
How does the HyperLogLog algorithm work?
...n be of different sizes. One element can be 1 another element "is this big string". So if you have a huge list (or a huge stream of elements) it will take a lot memory.
Probabilistic Counting
How can one get a reasonable estimate of a number of unique elements? Assume that you have a string of l...
What is the result of % in Python?
...
Somewhat off topic, the % is also used in string formatting operations like %= to substitute values into a string:
>>> x = 'abc_%(key)s_'
>>> x %= {'key':'value'}
>>> x
'abc_value_'
Again, off topic, but it seems to be a little document...
Echo newline in Bash prints literal \n
...
echo $'hello\nworld'
prints
hello
world
$'' strings use ANSI C Quoting:
Words of the form $'string' are treated specially. The word expands to string, with backslash-escaped characters replaced as specified by the ANSI C standard.
...
What is the purpose of “!” and “?” at the end of method names?
... just looks weird.
In your example, name.reverse evaluates to a reversed string, but only after the name.reverse! line does the name variable actually contain the reversed name. name.is_binary_data? looks like "is name binary data?".
...
