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Why can't non-default arguments follow default arguments?
...wed. A SyntaxError is raised if the arguments are not given in the correct order:
Let us take a look at keyword arguments, using your function.
def fun1(a="who is you", b="True", x, y):
... print a,b,x,y
Suppose its allowed to declare function as above,
Then with the above declarations, we c...
FormData.append(“key”, “value”) is not working
...il]":"customer@mail.com" => "user":{"email":"customer@mail.com"}
const orderRes = await fetch(`/api/orders`, {
method: 'POST',
credentials: 'same-origin',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(data)
});
cons...
Where do I find the definition of size_t?
...hy not use int or unsigned int? (What about other "similar" types? Void_t, etc).
9 Answers
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How to cast an Object to an int
...t;
Scenario 2: any numerical object
In Java Integer, Long, BigInteger etc. all implement the Number interface which has a method named intValue. Any other custom types with a numerical aspect should also implement Number (for example: Age implements Number). So you can:
int x = ((Number)yourOb...
What Every Programmer Should Know About Memory?
...ores sharing one physical core), but not enough trace-cache (and/or out-of-order execution resources) to gain throughput running two full computation threads on the same core. But modern CPUs (Sandybridge-family and Ryzen) are much beefier and should either run a real thread or not use hyperthreadi...
C# using streams
....g. WriteByte(). There are no functions for dealing with integers, strings etc. This makes the stream very general-purpose, but less simple to work with if, say, you just want to transfer text.
However, .NET provides classes that convert between native types and the low-level stream interface, and ...
Is it faster to count down than it is to count up?
...o result in any measurable improvement on real programs on a modern out-of-order processor? Highly unlikely. In fact, I'd be impressed if you could show a measurable improvement even on a microbenchmark.
Summary: I smack your teacher upside the head! You shouldn't be learning obsolete pseudo-fac...
Python None comparison: should I use “is” or ==?
...hat == will do depends on the exact type of the operands and even on their ordering.
This recommendation is supported by PEP 8, which explicitly states that "comparisons to singletons like None should always be done with is or is not, never the equality operators."
...
Python logging not outputting anything
...a handler with level=DEBUG, the actual logging level must also be DEBUG in order to get it to output anything.
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Printing hexadecimal characters in C
...ect conversion specifications for the fixed-width character types (int8_t, etc) are defined in the header <cinttypes>(C++) or <inttypes.h> (C) (although PRIdMAX, PRIuMAX, etc is synonymous with %jd, %ju, etc).
As for his point about signed vs unsigned, in this case it does not matter si...