大约有 40,000 项符合查询结果(耗时:0.0666秒) [XML]

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What are Vertex Array Objects?

...is first bound, you assign these members by calling glEnableClientState(GL_VERTEX_ARRAY); glVertexPointer...; glEnableClientState(GL_NORMAL_ARRAY); glNormalPointer...; and so on. Which attributes are enabled and the pointers you supply are stored in the VAO. After that when you bind the VAO agai...
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Regular expression to search for Gadaffi

...itives matched like godfrey, or godby, or even kabbadi"; $wordArray = preg_split('/[\s,.;-]+/',$text); foreach ($wordArray as $item){ $rate = in_array(soundex($item),$soundexMatch) + in_array(metaphone($item),$metaphoneMatch); if ($rate > 1){ $matches[] = $item; } } $pattern ...
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Database development mistakes made by application developers [closed]

What are common database development mistakes made by application developers? 40 Answers ...
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Using arrays or std::vectors in C++, what's the performance gap?

...mbly code was generated by gcc 4.1.0 invoked with g++ -O3 -S on a // x86_64-suse-linux machine. #include <vector> struct S { int padding; std::vector<int> v; int * p; std::vector<int>::iterator i; }; int pointer_index (S & s) { return s.p[3]; } // movq 32(%r...
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How do you use vim's quickfix feature?

...ean much. It means that the shown line of code must be placed in ~/.vimrc (_VIMRC on windows AFAIK) and from the next start of VIM every time the file is saved this command will be invoked. Right? – Беров May 28 '18 at 21:06 ...
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

...sql/support-files/mysql.server stop Start it in safe mode: $ sudo mysqld_safe --skip-grant-tables --skip-networking (above line is the whole command) This will be an ongoing command until the process is finished so open another shell/terminal window, log in without a password: $ mysql -u root...
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How can I stop .gitignore from appearing in the list of untracked files?

...for ignores that aren't project related, such as emacs *~ backup files, .DS_Store from OS X and so on. – August Lilleaas May 19 '10 at 7:48 38 ...
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Is there any advantage of using map over unordered_map in case of trivial keys?

A recent talk about unordered_map in C++ made me realize that I should use unordered_map for most cases where I used map before, because of the efficiency of lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got...
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]

...mount greater than or equal to the number of bits in the number (e.g. int64_t i = 1; i <<= 72 is undefined) Types, Cast and Const Casting a numeric value into a value that can't be represented by the target type (either directly or via static_cast) Using an automatic variable before it has b...
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Insert line after first match using sed

... Alternatively, for portability, you can use perl instead: perl -pi -e '$_ .= qq(CLIENTSCRIPT2="hello"\n) if /CLIENTSCRIPT=/' file Or you could use ed or ex: printf '%s\n' /CLIENTSCRIPT=/a 'CLIENTSCRIPT2="hello"' . w q | ex -s file ...