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What's the difference between a single precision and double precision floating point operation?
...o represent floating-point values.
Most computers use a standard format known as the IEEE floating-point format.
The IEEE double-precision format actually has more than twice as many bits of precision as the single-precision format, as well as a much greater range.
From the IEEE standard for f...
Using :after to clear floating elements
...ports just the (:) syntax, but IE 8 only supports the single-colon, so for now, it's recommended to just use the single-colon for best browser support. :: is the newer format indented to distinguish pseudo content from pseudo selectors. If you don't need IE 8 support, feel free to use the double-co...
How to check if a service is running on Android?
... static variables will not work reliably because as a developer you never know, when Android decides to kill your process or which of the mentioned callbacks are called or not. Please note the "killable" column in the lifecycle events table in the Android documentation.
...
Enforcing the type of the indexed members of a Typescript object?
...lse,
};
10.10.2018 update:
Check out @dracstaxi's answer below - there's now a built-in type Record which does most of this for you.
1.2.2020 update:
I've entirely removed the pre-made mapping interfaces from my answer. @dracstaxi's answer makes them totally irrelevant. If you'd still like to u...
Proper way to add svn:executable
...cutable before svn adding them. They have the svn:executable property set. Now, a few other files were checked in without the executable bit do not have it, and I want to set the svn:executable property:
...
What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
...ans it doesn't want to use this feature at all, since position is already known, anyway.
So, if you need to return any other value you see fit, feel free to do so:
@Override
public long getItemId(int position) {
return data.get(position).Id;
}
...
matplotlib colorbar for scatter
...t needs to be a list of floats rather than a list of tuples as you have it now.
plt.colorbar() wants a mappable object, like the CircleCollection that plt.scatter() returns.
vmin and vmax can then control the limits of your colorbar. Things outside vmin/vmax get the colors of the endpoints.
How do...
What does axis in pandas mean?
...ified to reduce this confusion. I'd do it myself if I could, but for right now, I only know how to use them. I do understand which axis to use to get the data I want. However confusion remains as to why mean() and drop() feel like they affect opposing axes.
– matty
...
Objective-C: difference between id and void *
...
void * means "a reference to some random chunk o' memory with untyped/unknown contents"
id means "a reference to some random Objective-C object of unknown class"
There are additional semantic differences:
Under GC Only or GC Supported modes, the compiler will emit write barriers for references...
How is the AND/OR operator represented as in Regular Expressions?
...er "part1" (answer 1), "part2" (answer 2) or "part1, part2" (answer 3).
I now try to match the string given by the user with the following, automatically created, regex expression:
...