大约有 19,029 项符合查询结果（耗时：0.0197秒） [XML]
opengl: glFlush() vs. glFinish()
...mands through a pipe to a gl server. That pipe might buffer. Just like any file or network i/o might buffer. glFlush only says "send the buffer now, even if it is not full yet!". On a local system this is almost never needed because a local OpenGL API is unlikely to buffer itself and just issues com...
What's the difference between ASCII and Unicode?
...uter languages rather than human languages. Dogmatically, when you write a file or stream, you have a character set and choose an encoding. Your reader has to get the bytes and knowledge of which encoding. Otherwise, the communication has failed.
– Tom Blodget
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Do declared properties require a corresponding instance variable?
...a property by one name (shorthand) inside your code, but outside in the .h file use the full name. However, with the really cool autocomplete that XCode now has, this is less of an advantage, but is still there.
Hope this helps clear up all the confusion and misinformation that is floating around ...
select * vs select column
..., and you're using MyISAM storage engine, it'll grab the data from the MYI file, which could be in memory, and not even go to disk!
– Mike Sherov
Jul 5 '10 at 14:57
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When to use reinterpret_cast?
...e it. Let's imagine the example: you have to read binary 32bit number from file, and you know it is big endian. Your code has to be generic and works properly on big endian (e.g. some ARM) and little endian (e.g. x86) systems. So you have to check the byte order. It is well-known on compile time so ...
Ruby: kind_of? vs. instance_of? vs. is_a?
... to know that you have a specific class, such as when you are dealing with files.
– Automatico
Jan 16 '15 at 12:32
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
... not to say that it's not possible. What were the circumstances? Did you file a bug (trac.macports.org)?
– LSpice
Jun 29 '14 at 1:29
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How to compute the similarity between two text documents?
...extraction.text import TfidfVectorizer
documents = [open(f) for f in text_files]
tfidf = TfidfVectorizer().fit_transform(documents)
# no need to normalize, since Vectorizer will return normalized tf-idf
pairwise_similarity = tfidf * tfidf.T
or, if the documents are plain strings,
>>> co...
Adding asterisk to required fields in Bootstrap 3
...s responsive to me, too, so maybe it is okay to add this (to your BS theme file, e.g. bootstrap-theme.css).
– Roland
Sep 12 '18 at 12:15
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Log4Net, how to add a custom field to my logging
...ay find some use for this one.
Add the following code to your program.cs file:
static void Main( string[] args )
{
log4net.Config.XmlConfigurator.Configure();
log4net.ThreadContext.Properties[ "myContext" ] = "Logging from Main";
Log.Info( "this is an info message" );
Console.Read...