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Using pickle.dump - TypeError: must be str, not bytes
..., that's why you are here.
import pickle
class MyUser(object):
def __init__(self,name):
self.name = name
user = MyUser('Peter')
print("Before serialization: ")
print(user.name)
print("------------")
serialized = pickle.dumps(user)
filename = 'serialized.native'
with open(filename,...
How to trim whitespace from a Bash variable?
...ce it's much faster, avoiding any fork(). On Cygwin difference in speed is orders of magnitude.
– Gene Pavlovsky
Jul 3 '16 at 9:33
9
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What's the purpose of the LEA instruction?
...
@FrankH.: out-of-order CPUs typically run LEA on ALUs, while some in-order CPUs (like Atom) sometimes run it on an AGUs (because they can't be busy handling a memory access).
– Peter Cordes
Dec 3 '15 at ...
How do I print a double value with full precision using cout?
...cision of a float or double.
#include <limits>
typedef std::numeric_limits< double > dbl;
double d = 3.14159265358979;
cout.precision(dbl::max_digits10);
cout << "Pi: " << d << endl;
share
...
How do I rename a repository on GitHub?
...sitory and then proceed to clone the repo so you can have a local copy. In order to rename the Github repo, you just need to:
Go to the repository site (i.e https://github.com/userX/repositoryZ).
In the navigation bar, you will see a tab named "Settings". Click on it.
Just edit the current reposit...
Hashing a file in Python
... benchmarked both the solution of (1) @Randall Hunt and (2) yours (in this order, is important due to file cache) with a file of around 116GB and sha1sum algorithm. Solution 1 was modified in order to use a buffer of 20 * 4096 (PAGE_SIZE) and set buffering parameter to 0. Solution 2 only algorithm w...
Class vs. static method in JavaScript
...thing similar to a class in a standard OOP language.
I'd suggest ignoring __proto__ most of the time because it has poor cross browser support, and instead focus on learning about how prototype works.
If you have an instance of an object created from a function2 and you access one of its members (...
How to iterate a loop with index and element in Swift
...100, height: 100)
button.addTarget(self, action: #selector(iterate(_:)), for: .touchUpInside)
view.addSubview(button)
}
@objc func iterate(_ sender: UIButton) {
let tuple = generator.next()
print(String(describing: tuple))
}
}
PlaygroundPage.current.liv...
What is an idempotent operation?
... information, you can PUT the new information as many times as it takes in order to get confirmation from the web service. PUT-ing it a thousand times is the same as PUT-ing it once. Similarly DELETE-ing a REST resource a thousand times is the same as deleting it once. Idempotence thus makes it a...
Difference between pre-increment and post-increment in a loop?
...
@JonB The order of operations in the answer is not exactly correct. Both ++i and i++ perform the same operations in the same order: create temp copy of i; increment the temp value to produce a new value (not to override the temp); stor...