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module.exports vs exports in Node.js
... like a function.
2nd least important reason
They set both module.exports and exports to ensure exports isn't referencing the prior exported object. By setting both you use exports as a shorthand and avoid potential bugs later on down the road.
Using exports.prop = true instead of module.exports....
Difference: std::runtime_error vs std::exception()
What is the difference between std::runtime_error and std::exception ? What is the appropriate use for each? Why are they different in the first place?
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Pass Variables by Reference in Javascript
...want to perform several operations to, so I want to put them in a for loop and perform the operations to each one.
15 Answe...
Programmatically find the number of cores on a machine
...;sysinfo);
int numCPU = sysinfo.dwNumberOfProcessors;
Linux, Solaris, AIX and Mac OS X >=10.4 (i.e. Tiger onwards)
int numCPU = sysconf(_SC_NPROCESSORS_ONLN);
FreeBSD, MacOS X, NetBSD, OpenBSD, etc.
int mib[4];
int numCPU;
std::size_t len = sizeof(numCPU);
/* set the mib for hw.ncpu */
mib[...
Java: What is the difference between and ?
I am unable to understand the following text... Does it mean that <clinit> is for empty constructors? Why is important to have two different versions?
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How to pull a random record using Django's ORM?
... of them: newest, one that was not visited for most time, most popular one and a random one.
15 Answers
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Resetting remote to a certain commit
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Assuming that your branch is called master both here and remotely, and that your remote is called origin you could do:
git reset --hard <commit-hash>
git push -f origin master
However, you should avoid doing this if anyone else is working with your remote repository ...
Why does running the Flask dev server run itself twice?
I'm using Flask for developing a website and while in development I run flask using the following file:
6 Answers
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Difference between 'self' and 'total' in Chrome CPU Profile of JS
What is the difference between the 'self' and 'total' columns in the Chrome CPU profiling of JS code?
2 Answers
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Why can't I use a list as a dict key in python?
...nt's values, for instance when checking (in-)equality. Many would - understandably - expect that you can use any list [1, 2] to get the same key, where you'd have to keep around exactly the same list object. But lookup by value breaks as soon as a list used as key is modified, and for lookup by iden...