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How to print to console in pytest?
...port that shows what was printed to standard out in that particular test.
For example,
def test_good():
for i in range(1000):
print(i)
def test_bad():
print('this should fail!')
assert False
Results in the following output:
>>> py.test tmp.py
======================...
How to get the input from the Tkinter Text Widget?
....get() function. If we have a text box myText_Box, then this is the method for retrieving its input.
def retrieve_input():
input = self.myText_Box.get("1.0",END)
The first part, "1.0" means that the input should be read from line one, character zero (ie: the very first character). END is an i...
How do I use a Boolean in Python?
... some_decision:
checker = True
if checker:
# some stuff
[Edit]
For more information: http://docs.python.org/library/functions.html#bool
Your code works too, since 1 is converted to True when necessary.
Actually Python didn't have a boolean type for a long time (as in old C), and some pr...
What are the mechanics of short string optimization in libc++?
...e correctly dissected the long/short flag, and the size field in the short form.
what value would __min_cap, the capacity of short strings, take for different architectures?
In the short form, there are 3 words to work with:
1 bit goes to the long/short flag.
7 bits goes to the size.
Assumin...
Why is “if not someobj:” better than “if someobj == None:” in Python?
...case, it is considered False.
In the second test, the object is compared for equality to None. Here, we are asking the object, "Are you equal to this other value?" This is done using the following algorithm :
If the object has a __eq__ method, it is called, and the return value is then converted...
In which case do you use the JPA @JoinTable annotation?
... and each project can have many tasks.
You can design the database schema for this scenario in two ways.
The first solution is to create a table named Project and another table named Task and add a foreign key column to the task table named project_id:
Project Task
------- ----
id ...
print call stack in C or C++
...
For a linux-only solution you can use backtrace(3) that simply returns an array of void * (in fact each of these point to the return address from the corresponding stack frame). To translate these to something of use, there's...
What is __main__.py?
What is the __main__.py file for, what sort of code should I put into it, and when should I have one?
5 Answers
...
Python __str__ versus __unicode__
Is there a python convention for when you should implement __str__() versus __unicode__() . I've seen classes override __unicode__() more frequently than __str__() but it doesn't appear to be consistent. Are there specific rules when it is better to implement one versus the other? Is it ne...
What does the caret operator (^) in Python do?
... invokes the __xor__() or __rxor__() method of the object as needed, which for integer types does a bitwise exclusive-or.
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