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throw new std::exception vs throw std::exception
...h it by reference (usually const reference). The C++ language requires the compiler to generate the appropriate code to construct the exception object and to properly clean it up at the appropriate time.
Throwing a pointer to a dynamically allocated object is never a good idea. Exceptions are suppo...
What is a “first chance exception”?
... @supercat: How do I learn about the details like you mentioned in your comments above? Is it a result of self-experimentation? reading books (which one)? That's a very impressive insight! I would appreciate if you could take a moment to answer this please...
– anish
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Catching an exception while using a Python 'with' statement
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As noted in stackoverflow.com/questions/5205811/…, the try block here is really too broad. No distinction is made between exceptions while creating the context manager and those in the body of the with statement, so it may not be a valid solution fo...
Simple logical operators in Bash
...side them isn't an expression like in many other languages. It's a list of commands (just like outside parentheses). These commands are executed in a separate subprocess, so any redirection, assignment, etc. performed inside the parentheses has no effect outside the parentheses.
With a leading dol...
Unable to Connect to GitHub.com For Cloning
...t git repository , but I am getting the following message when I enter the command in my Git Bash:
5 Answers
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Is python's sorted() function guaranteed to be stable?
... Isn't this what is expected in this case? Python is going to compare tuples through all elements by default, not just the first "primary" one. If you only want to sort on the first element, you can pass the key parameter explicitly.
– Matias Grioni
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Get event listeners attached to node using addEventListener
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What are naming conventions for MongoDB?
... See this question for the single vs plural debate: stackoverflow.com/questions/338156/…
– Jason
Apr 21 '16 at 7:31
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How can I convert immutable.Map to mutable.Map in Scala?
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: _* is much like type ascription, telling the compiler exactly what type to asign to a given expression. You can think of it here as saying "take this sequence, and treat it as a number of vararg params."
– Kevin Wright
Jun 6 '12 a...
Efficiently updating database using SQLAlchemy ORM
... you say
for c in session.query(Stuff).all():
c.foo = c.foo+1
session.commit()
it will do what it says, go fetch all the objects from the database, modify all the objects and then when it's time to flush the changes to the database, update the rows one by one.
Instead you should do this:
se...