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What's the difference between streams and datagrams in network programming?
...ence between the two. I don't remember where I read it so unfortunately I can't credit the author for the idea, but I've also added a lot of my own knowledge to the core analogy anyway. So here goes:
A stream socket is like a phone call -- one side places the call, the other answers, you say hell...
Is the order of iterating through std::map known (and guaranteed by the standard)?
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std::map is implemented using binary trees, so technically no binary search is performed.
– jupp0r
Jun 23 '15 at 9:49
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What's the difference between “declare class” and “interface” in TypeScript
...hat should have been an interface, you are going to have a runtime error because that generated code will be referring to an object with no runtime manifestation.
Conversely, if you simply implement an interface that should have been a declare class, you're going to have to re-implement all the mem...
Is there a CSS selector by class prefix?
...lass names are separated by whitespace per the HTML spec, hence the significant space character. This checks any other classes after the first if multiple classes are specified, and adds a bonus of checking the first class in case the attribute value is space-padded (which can happen with some appli...
Insert/Update Many to Many Entity Framework . How do I do it?
I'm using EF4 and new to it. I have a many to many in my project and cannot seem to work out how to insert or update. I have build a small project just to see how it should be coded.
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How do I log ALL exceptions globally for a C# MVC4 WebAPI app?
... developing an API Service Layer for a client and I have been requested to catch and log all errors globally.
5 Answers
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How to get error message when ifstream open fails
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Every system call that fails update the errno value.
Thus, you can have more information about what happens when a ifstream open fails by using something like :
cerr << "Error: " << strerror(errno);
However, since every ...
Given an RGB value, how do I create a tint (or shade)?
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previous value. The smaller the factor, the darker the shade.
For tints, calculate (255 - previous value), multiply that by 1/4,
1/2, 3/4, etc. (the greater the factor, the lighter the tint), and add that to the previous value (assuming each.component is a 8-bit integer).
Note that color manipul...
Differences between numpy.random and random.random in Python
...f you do need to use both, then yes, you'll also need to seed them both, because they generate random numbers independently of each other.
For numpy.random.seed(), the main difficulty is that it is not thread-safe - that is, it's not safe to use if you have many different threads of execution, beca...
How do you create an asynchronous method in C#?
...thod is dependanton other async methods" - ok, but what if that is not the case. What if were trying to wrap some code that calls BeginInvoke with some callback code?
– Ricibob
Aug 27 '13 at 10:46
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