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How to override the [] operator in Python?
... key):
return key * 2
myobj = MyClass()
myobj[3] #Output: 6
And if you're going to be setting values you'll need to implement the __setitem__ method too, otherwise this will happen:
>>> myobj[5] = 1
Traceback (most recent call last):
File "<stdin>", line 1, in <module...
Split a string on whitespace in Go?
...e space characters, returning an array of substrings of s or an empty list if s contains only white space.
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Variable name as a string in Javascript
...usfx you can swap out const for let or var and it works just the same. But if you're using a transpiler for the object destructuring in the first place, it probably supports const already.
– SethWhite
Dec 12 '17 at 15:19
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Razor view engine, how to enter preprocessor(#if debug)
I am writing my first razor page today, can't figure out how to enter #if debug #else #endif
9 Answers
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PHP - Check if two arrays are equal
I'd like to check if two arrays are equal. I mean: same size, same index, same values. How can I do that?
15 Answers
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How can I tell if a library was compiled with -g?
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If you're running on Linux, use objdump --debugging. There should be an entry for each object file in the library. For object files without debugging symbols, you'll see something like:
objdump --debugging libvoidincr.a
In ...
Restore the state of std::cout after manipulating it
...ppet:
void printHex(std::ostream& x) {
boost::io::ios_flags_saver ifs(x);
x << std::hex << 123;
}
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sed: print only matching group
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@DanielSokolowski I think you get that error if you use ( and ) instead of \( and \).
– Daniel Darabos
Jun 24 '15 at 11:27
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An established connection was aborted by the software in your host machine
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@Nate if you restart adb as well (adb kill-server/adb start-server), does that save you from restarting the computer?
– Björn
Dec 17 '11 at 12:54
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Working with time DURATION, not time of day
...ly 1.0 equals 1 full day (starting on 1/1/1900). So 36 hours would be 1.5. If you change the format to [h]:mm, you'll see 36:00.
Therefore, if you want to work with durations, you can simply use subtraction, e.g.
A1: Start: 36:00 (=1.5)
A2: End: 60:00 (=2.5)
A3: Duration: =A...