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:first-child not working as expected
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220
The h1:first-child selector means
Select the first child of its parent
if and only if it...
Explain how finding cycle start node in cycle linked list work?
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21 Answers
21
Active
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Plotting time in Python with Matplotlib
...imestamps to Python datetime objects (use datetime.strptime). Then use date2num to convert the dates to matplotlib format.
Plot the dates and values using plot_date:
dates = matplotlib.dates.date2num(list_of_datetimes)
matplotlib.pyplot.plot_date(dates, values)
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Who is listening on a given TCP port on Mac OS X?
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2159
On macOS High Sierra and later, use this command:
lsof -nP -iTCP:$PORT | grep LISTEN
or to...
Center a position:fixed element
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627
You basically need to set top and left to 50% to center the left-top corner of the div. You als...
How many and which are the uses of “const” in C++?
...have their own version.
Using code:
int main() {
string const a = "1234";
string const b = a;
// outputs the same address for COW strings
cout << (void*)&a[0] << ", " << (void*)&b[0];
}
The above snippet prints the same address on my GCC, because the us...
Get number days in a specified month using JavaScript? [duplicate]
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// Month here is 1-indexed (January is 1, February is 2, etc). This is
// because we're using 0 as the day so that it returns the last day
// of the last month, so you have to add 1 to the month number
// so it returns the correct amount of days
function daysInMonth (month, yea...
jQuery: Get selected element tag name
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edited Aug 13 '14 at 16:32
rgajrawala
1,76611 gold badge1717 silver badges3333 bronze badges
answered M...
Changing UIImage color
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265
Since iOS 7, this is the most simple way of doing it.
Objective-C:
theImageView.image = [the...
