Top "With-statement" questions

A number of languages have With statements.

In R, how to make the variables inside a function available to the lower level function inside this function?(with, attach, environment)

Update 2 @G. Grothendieck posted two approaches. The second one is changing the function environment inside a function. This solves my …

r function environment-variables with-statement assign
StringIO and compatibility with 'with' statement (context manager)

I have some legacy code with a legacy function that takes a filename as an argument and processes the file …

python python-2.x with-statement contextmanager
Object becomes None when using a context manager

Why doesn`t this work: class X: var1 = 1 def __enter__(self): pass def __exit__(self, type, value, traceback): pass with …

python with-statement
Python Multiprocessing Lib Error (AttributeError: __exit__)

Am getting this error when using the pool.map(funct, iterable): AttributeError: __exit__ No Explanation, only stack trace to the …

python multiprocessing pickle with-statement contextmanager
Purpose of using "with tf.Session()"?

I am practicing the keras method called concatenate. And use of with statement in this example kind of got me …

python tensorflow with-statement
Catching exception in context manager __enter__()

Is it possible to ensure the __exit__() method is called even if there is an exception in __enter__()? >>&…

python exception python-2.7 with-statement contextmanager
tempfile.TemporaryDirectory context manager in Python 2.7

Is there a way to create a temporary directory in a context manager with Python 2.7? with tempfile.TemporaryDirectory() as temp_…

python python-2.7 with-statement temp
Count the number of rows in another sheet

I have looked at the suggested questions to find the answer to my problem. The closest question is called: Count …

vba excel with-statement
Does C++ have "with" keyword like Pascal?

with keyword in Pascal can be use to quick access the field of a record. Anybody knows if C++ has …

c++ pascal with-statement
multiprocessing returns "too many open files" but using `with...as` fixes it. Why?

I was using this answer in order to run parallel commands with multiprocessing in Python on a Linux box. My …

python multiprocessing with-statement process-pool