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Using GSON to parse a JSON array
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113
Problem is caused by comma at the end of (in your case each) JSON object placed in the array:
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How to pad zeroes to a string?
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Strings:
>>> n = '4'
>>> print(n.zfill(3))
004
And for numbers:
>>> n = 4
>>> print(f'{n:03}') # Preferred method, python >= 3.6
004
>>> print('%03d' % n)
004
>>> print(format(n, '03')) # python >= 2.6
004
>>> ...
Mock functions in Go
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edited Sep 23 at 9:51
Stéphane Bruckert
17.3k99 gold badges7777 silver badges111111 bronze badges
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How to write a large buffer into a binary file in C++, fast?
...g), pFile);
}
fclose(pFile);
return 0;
}
I just timed 8GB in 36sec, which is about 220MB/s and I think that maxes out my SSD. Also worth to note, the code in the question used one core 100%, whereas this code only uses 2-5%.
Thanks a lot to everyone.
Update: 5 years have passed it's ...
New line in JavaScript alert box
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603
\n will put a new line in - \n being a control code for new line.
alert("Line 1\nLine 2");
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Function passed as template argument
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}
which can now be called as either:
doOperation(add2);
doOperation(add3());
See it live
The problem with this is that if it makes it tricky for the compiler to inline the call to add2, since all the compiler knows is that a function pointer type void (*)(int &) is being passed to doOpera...
How to import and use different packages of the same name in Go language?
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MostafaMostafa
21.3k99 gold badges5151 silver badges5050 bronze badges
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how to display full stored procedure code?
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3
pg_proc that's it! Whew I'm glad they saved a few bytes of space by not calling it pg_procedure...geez. :)
– darren
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How to force 'cp' to overwrite directory instead of creating another one inside?
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| `-- foo
| |-- a
| `-- b
`-- foo
|-- a
`-- b
3 directories, 6 files
When you use the option -T it overwrites the contents, treating the destination like a normal file and not directory.
$ cp -TRv foo/ bar/
`foo/b' -> `bar/b'
`foo/a' -> `bar/a'
$ tree
|-- bar
|...
Java 8: performance of Streams vs Collections
... Units
StreamVsVanilla.stream avgt 10 17.588 0.230 ns/op
StreamVsVanilla.vanilla avgt 10 10.796 0.063 ns/op
Just as I expected stream implementation is fairly slower. JIT is able to inline all lambda stuff but doesn't produce as perfectly co...