大约有 11,000 项符合查询结果（耗时：0.0229秒） [XML]
Searching for UUIDs in text with regex
I'm searching for UUIDs in blocks of text using a regex. Currently I'm relying on the assumption that all UUIDs will follow a patttern of 8-4-4-4-12 hexadecimal digits.
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Is bool a native C type?
...ve type is actually called _Bool, while bool is a standard library macro defined in stdbool.h (which expectedly resolves to _Bool). Objects of type _Bool hold either 0 or 1, while true and false are also macros from stdbool.h.
Note, BTW, that this implies that C preprocessor will interpret #if true...
MySQL: ignore errors when importing?
I am importing a fairly large database. The .sql file has almost 1,000,000 lines in it. Problem is that I am getting a syntax error when trying to import the database. It says:
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Sending POST data in Android
I'm experienced with PHP, JavaScript and a lot of other scripting languages, but I don't have a lot of experience with Java or Android.
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Is there a REAL performance difference between INT and VARCHAR primary keys?
Is there a measurable performance difference between using INT vs. VARCHAR as a primary key in MySQL? I'd like to use VARCHAR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables.
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...ve binary serialization format to Google's Protocol Buffers and JSON which also outperforms both.
6 Answers
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C++ Tuple vs Struct
Is there is any difference between using a std::tuple and a data-only struct ?
12 Answers
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Remove duplicate elements from array in Ruby
...icate elements and retains all unique elements in the array.
This is one of many beauties of the Ruby language.
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Realistic usage of the C99 'restrict' keyword?
...ome documentation and questions/answers and saw it mentioned. I read a brief description, stating that it would be basically a promise from the programmer that the pointer won't be used to point somewhere else.
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git error: failed to push some refs to remote
For some reason, I can't push now, whereas I could do it yesterday.
Maybe I messed up with configs or something.
39 Answers...