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OS detecting makefile
I routinely work on several different computers and several different operating systems, which are Mac OS X, Linux, or Solaris. For the project I'm working on, I pull my code from a remote git repository.
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Best way to test for a variable's existence in PHP; isset() is clearly broken
... answered Jan 6 '09 at 21:07
ZoredacheZoredache
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What's the point of malloc(0)?
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According to the specifications, malloc(0) will return either "a null pointer or a unique pointer that can be successfully passed to free()".
This basically lets you allocate nothing, but still pass the "artist" variable to a c...
Polymorphism in C++
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Understanding of / requirements for polymorphism
To understand polymorphism - as the term is used in Computing Science - it helps to start from a simple test for and definition of it. Consider:
Type1 x;
Type2 y;
f(x);
f(y);
Here, f() is...
What is the difference between Google App Engine and Google Compute Engine?
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App Engine is a Platform-as-a-Service. It means that you simply deploy your code, and the platform does everything else for you. For example, if your app becomes very successful, App Engine will automatically create more instances to handle the i...
Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
...se something like while(cin>>n) - which I guess implicitly checks for EOF.
4 Answers
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Generate random numbers using C++11 random library
...ain() {
std::random_device rd;
std::mt19937 mt(rd());
std::uniform_real_distribution<double> dist(1.0, 10.0);
for (int i=0; i<16; ++i)
std::cout << dist(mt) << "\n";
}
We use random_device once to seed the random number generator named mt. random_devic...
When is it acceptable to call GC.Collect?
...cularly those you suspect to be in generations 1 and 2 - are now eligible for garbage collection, and that now would be an appropriate time to collect in terms of the small performance hit.
A good example of this is if you've just closed a large form. You know that all the UI controls can now be ga...
How to reload or re-render the entire page using AngularJS
...$http requests, etc). If I just redirect the user somewhere else, things work properly:
13 Answers
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How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
...phantom v0.6.1-pre. If anyone has an explanation, I'll choose that as the correct answer.
EDIT:
You may need to do the additional instructions as well:
sudo rm -rf /usr/local/{lib/node{,/.npm,_modules},bin,share/man}/{npm*,node*,man1/node*}
which is the equivalent of (same as above)...
sudo rm...