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What is the type of lambda when deduced with “auto” in C++11?
I had a perception that, type of a lambda is a function pointer. When I performed following test, I found it to be wrong ( demo ).
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Creating JS object with Object.create(null)?
...onstructor.prototype == Object.prototype while Object.create(null) doesn't inherit from anything and thus has no properties at all.
In other words: A javascript object inherits from Object by default, unless you explicitly create it with null as its prototype, like: Object.create(null).
{} would i...
string c_str() vs. data()
...ve read several places that the difference between c_str() and data() (in STL and other implementations) is that c_str() is always null terminated while data() is not.
As far as I have seen in actual implementations, they either do the same or data() calls c_str() .
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
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How to return multiple lines JSX in another return statement in React?
Single line works fine
7 Answers
7
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Why are my basic Heroku apps taking two seconds to load?
...ted two very simple Heroku apps to test out the service, but it's often taking several seconds to load the page when I first visit them:
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Is there a benefit to defining a class inside another class in Python?
What I'm talking about here are nested classes. Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
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Mercurial: Can I rename a branch?
We now have a "stiging" branch, where "staging" seems to be a far better semantic fit. What's a good strategy for handling this?
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Equivalent of strace -feopen < command > on mac os X
This is useful for debugging (hence programming related). On linux, we can use the command
1 Answer
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Automatically plot different colored lines
I'm trying to plot several kernel density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficien...