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How can I efficiently select a Standard Library container in C++11?
There's a well known image (cheat sheet) called "C++ Container choice". It's a flow chart to choose the best container for the wanted usage.
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Should I pass a shared_ptr by reference? [duplicate]
...per with value semantics via RSF w = std::ref(p);. So much for the setup.
Now, everybody knows that containers of pointers are minefield. So std::vector<Foo*> will be a nightmare to maintain, and any number of bugs arise from improper lifetime management. What's worse conceptually is that it ...
What's the opposite of chr() in Ruby?
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Now that Ruby 1.9 has changed the meaning of 'A'[0], this is the more portable method.
– AShelly
Nov 22 '08 at 1:11
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How can mixed data types (int, float, char, etc) be stored in an array?
...eger int_;
real real_;
} record;
enum types { INVALID, INT, REAL };
Now it may appear that we're repeating ourselves, and we are. But consider that this definition is likely to be isolated to a single file. But we've eliminated the noise of specifiying the intermediate .val. before you get to...
Differences between Perl and PHP [closed]
I'm planning to learn Perl 5 and as I have only used PHP until now, I wanted to know a bit about how the languages differ from each other.
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Method Resolution Order (MRO) in new-style classes?
...ry interpretation of C3 linearization as follows: (Someone please let me know if this is wrong.)
Consider this example:
class I(G):
def m(self):
print("I")
super().m()
class H():
def m(self):
print("H")
class G(H):
def m(self):
print("G")
supe...
What is the best way to solve an Objective-C namespace collision?
...er classes in that first framework which reference the renamed class would now reference the class from the other framework.
You wouldn't need to copy or rename a class if there were a way to copy the data pointed to by an IMP. You could create a new class and then copy over ivars, methods, propert...
Why can't I define a static method in a Java interface?
EDIT: As of Java 8, static methods are now allowed in interfaces.
24 Answers
24
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How do I use vimdiff to resolve a git merge conflict?
... I got Automatic merge failed; fix conflicts and then commit the result. Now I ran git mergetool and vimdiff opened with the image below. I don't know how to use vimdiff. What does each panel here mean and how should I proceed to fix the merge conflict?
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Will HTML5 allow web apps to make peer-to-peer HTTP connections?
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UPDATE 10/17/2012: This functionality now exists in Chrome Stable v22. In order to use this functionality in Chrome, one must enable two flags in chrome://flags:
Enable MediaStream
Enable PeerConnection
Then you can visit the AppRTC Demo Page to try out the d...