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Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
...fined behavior from the C++11 draft standard section 6.6.3 The return statement paragraph 2 which says:
[...] Flowing off the end of a function is equivalent to a return with no value; this results in undefined behavior in a value-returning function. [...]
This means that the compiler is not o...
How many constructor arguments is too many?
Let's say you have a class called Customer, which contains the following fields:
15 Answers
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
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You're right. As the official documentation explains:
__autoreleasing to denote arguments that are passed by reference (id *) and are autoreleased on return.
All of this is very well explained in the ARC transition guide.
In your NSError example, the d...
Naming returned columns in Pandas aggregate function? [duplicate]
I'm having trouble with Pandas' groupby functionality. I've read the documentation , but I can't see to figure out how to apply aggregate functions to multiple columns and have custom names for those columns.
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How to modify a specified commit?
...ou wish to modify.
In the default editor, modify pick to edit in the line mentioning 'bbc643cd'.
Save the file and exit: git will interpret and automatically execute the commands in the file. You will find yourself in the previous situation in which you just had created commit bbc643cd.
At this p...
getResourceAsStream() vs FileInputStream
...ileNotFound exception when I used FileInputStream . However, using the same path, I was able to load the file when I did getResourceAsStream() .
What is the difference between the two methods, and why does one work while the other doesn't?
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What's the difference between dependencies, devDependencies and peerDependencies in npm package.json
This documentation answers my question very poorly. I didn't understand those explanations. Can someone say in simpler words? Maybe with examples if it's hard to choose simple words?
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Git, How to reset origin/master to a commit?
...l repository (you only checkout the commit. That's why you won't see the name written in the command line interface branch marker, only the commit hash).
What you need to do to update the remote is to force push your local changes to master:
git checkout master
git reset --hard e3f1e37
git push --...
Java Programming - Where should SQL statements be stored? [closed]
Where should an JDBC-compliant application store its SQL statements and why?
15 Answers
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Should I use static_cast or reinterpret_cast when casting a void* to whatever
...sconception that using reinterpret_cast would be a better match because it means “completely ignore type safety and just cast from A to B”.
However, this doesn’t actually describe the effect of a reinterpret_cast. Rather, reinterpret_cast has a number of meanings, for all of which holds that...