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Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
...ruanyifeng.com/blog/2007/10/ascii_unicode_and_utf-8.html
* The Absolute Minimum Every Software Developer Absolutely, Positively Must
Know About Unicode and Character Sets(关于字符集的最基本知识)
http://www.joelonsoftware.com/articles/Unicode.html
* 谈谈Unicode编码
h...
What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
...n could thus reduce PCIe and memory transfers, as well as GPU memory, to a minimum with an approach like this:
Only upload a character index (one per character to be displayed) as the only input to a vertex shader that passes on this index and gl_VertexID, and amplify that to 4 points in the geome...
A monad is just a monoid in the category of endofunctors, what's the problem?
...pending on how you decide to define it forall a b.
If my last point is at minimum conceptually true, it then explains the precise, and only computational difference between Applicative and Monad: the functions they parameterize. In other words, the difference is external to the implementation of t...
Covariance, Invariance and Contravariance explained in plain English?
...edin(A)) must at least be covariant.
Note the "at least" above. Those are minimum requirements any reasonable statically type safe object oriented programming language will enforce, but a programming language may elect to be more strict. In the case of Java 1.4, parameter types and method return ty...
What is Ember RunLoop and how does it work?
...on many things but I am looking for a general idea, or maybe if there is a minimum or maximum time a runloop may take)
At no point will the RunLoop ever keep track of how much time it's taking to propagate all the changes through the system and then halt the RunLoop after reaching a maximum time li...
Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...n that enables all useful warnings with no false positives. This is a bare minimum that you should always use.
gcc has many other warning options, however, they are not enabled with -Wall as they may warn on false positives
Visual C++ unfortunately is lagging behind with the ability to give useful w...
Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
... benchmark code. Why should I have to write to a buffered stream with the minimum number of calls? If I have to do my own buffering, what's the point of iostreams anyway? And with binary data, I have the option to buffer it myself, when writing millions of numbers to a text file, the bulk option ...
How should one use std::optional?
...umeric_limits<double>::min() for min_match_score if you don't want a minimum score"!
Another example:
std::optional<int> find_in_string(std::string s, std::string query);
If the query string isn't in s, I want "no int" -- not whatever special value someone decided to use for this p...
Unicode equivalents for \w and \b in Java regular expressions?
... nothing, because \b recognizes é and è as word characters. At the very minimum, \b and \w should agree on what's a word character and what isn't.
– Alan Moore
Nov 30 '10 at 17:29
...
boost::flat_map and its performance compared to map and unordered_map
...accuracy);
}
#endif
This is a discrepancy measurer, and it will take the minimum of all measured values, to avoid to get a -10**18 (64 bits first negatives values) from time to time.
Notice the use of intrinsics and not inline assembly. First inline assembly is rarely supported by compilers nowad...