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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,...
Android – Listen For Incoming SMS Messages
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@Sermilion You have to manually allow permission to read SMS in application manager of the mobile.
– Sanjay Kushwah
Mar 9 '17 at 9:39
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Difference between objectForKey and valueForKey?
...ex).
valueForKey: is a KVC method. It works with ANY class. valueForKey: allows you to access a property using a string for its name. So for instance, if I have an Account class with a property accountNumber, I can do the following:
NSNumber *anAccountNumber = [NSNumber numberWithInt:12345];
Acco...
Python 3 turn range to a list
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You can just construct a list from the range object:
my_list = list(range(1, 1001))
This is how you do it with generators in python2.x as well. Typically speaking, you probably don't need a list though since you can come by the value of my_list[i] more efficiently (i + 1), and...
Unit test naming best practices [closed]
... the method name and in a structured manner.
The unit of work can be as small as a single method, a class or as large as multiple classes. It should represent all the things that are to be tested in this test case and are under control.
For assemblies I use the typical .Tests ending, which I think...
NSObject +load and +initialize - What do they do?
...ride +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-)
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detect key press in python?
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Python has a keyboard module with many features. Install it, perhaps with this command:
pip3 install keyboard
Then use it in code like:
import keyboard # using module keyboard
while True: # making a loop
try: # used try so that if user pressed other than the given ...
What is the python keyword “with” used for? [duplicate]
...t in an object that supports the context management protocol (that is, has __enter__() and __exit__() methods).
Update fixed VB callout per Scott Wisniewski's comment. I was indeed confusing with with using.
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What is the point of function pointers?
...nction pointers. I guess it may be useful in some cases (they exist, after all), but I can't think of a case where it's better or unavoidable to use a function pointer.
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Print a string as hex bytes?
... Note that in python3, the concept of printing a str as hex doesn't really make sense; you'll want to print bytes object as hex (convert str to bytes by calling .encode()).
– mic_e
May 8 '15 at 12:53
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