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To prevent a memory leak, the JDBC Driver has been forcibly unregistered
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302
Since version 6.0.24, Tomcat ships with a memory leak detection feature, which in turn can lead ...
: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...
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)
...
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...
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...
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...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
...
As of Genymotion 2.10.0 and onwards, GApps can be installed from the emulator toolbar.
Please refer to answer by @MichaelStoddart.
Next follows former answer kept here for historic reason:
Genymotion doesn't provide Google Apps. To install ...
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...