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python assert with and without parenthesis
...through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument.
Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essentially called assert True when you wr...
How do I convert a Vector of bytes (u8) to a string
...("result: {}", s);
}
The conversion is in-place, and does not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available).
The library reference for the conversion function:
std::str::from_utf8
...
Disable assertions in Python
...trate each.
For the whole process
Using the -O flag (capital O) disables all assert statements in a process.
For example:
$ python -Oc "assert False"
$ python -c "assert False"
Traceback (most recent call last):
File "<string>", line 1, in <module>
AssertionError
Note that by di...
is node.js' console.log asynchronous?
...ete, since stdout is synchronous now.
Well let's see what console.log actually does.
First of all it's part of the console module:
exports.log = function() {
process.stdout.write(format.apply(this, arguments) + '\n');
};
So it simply does some formatting and writes to process.stdout, nothing ...
How do I convert between big-endian and little-endian values in C++?
...
If you're using Visual C++ do the following: You include intrin.h and call the following functions:
For 16 bit numbers:
unsigned short _byteswap_ushort(unsigned short value);
For 32 bit numbers:
unsigned long _byteswap_ulong(unsigned long value);
For 64 bit numbers:
unsigned __int64 _byt...
How is __eq__ handled in Python and in what order?
... |
edited Mar 28 '18 at 11:52
Zoe
21.8k1212 gold badges8989 silver badges121121 bronze badges
answered...
What's so wrong about using GC.Collect()?
...
From Rico's Blog...
Rule #1
Don't.
This is really the most important
rule. It's fair to say that most
usages of GC.Collect() are a bad idea
and I went into that in some detail in
the orginal posting so I won't repeat
all that here. So let's move on to...
Rule #2
Consi...
How to add a 'or' condition in #ifdef
...93C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.69...
How to structure a express.js application?
... it.
Of those, I think Twitter's matador is structured pretty well. We actually used a very similar approach to how they load up parts of the app.
derby.js also looks extremely interesting. It's akin to meteor without all of the hype and actually gives credit where credit is due (notably, node and e...
Getting the path of the home directory in C#?
...
sigintsigint
1,53911 gold badge1616 silver badges2626 bronze badges
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