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1. #ifndef #define#endif "#ifndef/#define/#endif in the header file prevents the header file from being repeatedly referenced." "Repeated references" refers to a header file that has been contained multiple times in the same CPP file, which is

For large databases, it is very quick to load the data into a table with no Fulltext index and then use ALTER table (or CREATE index) to create the index. It will be very slow to load data into a table that already has a fulltext index. 1.

C-intermediate data serialization: simple use and discussion (2); Data serialization Discussion Introduction-a better way In fact, no matter what language, the development framework will encounter serialization problems. serialization can be

Compiling a C program involves many steps. Step 1 is called preprocessing. The C Preprocessor performs some text operations before source code compilation. Its main tasks include deleting comments, inserting File Content contained by the # include

Problem I Automatic Poetry Input: standard input Output: standard output Time Limit: 2 seconds Memory Limit: 32 MB   "Oh God", Lara Croft exclaims, "it's one of these dumb riddles again !"   In Tomb Raider XIV, Lara is, as ever, gunning her way

Netfilter Analysis in linux2.6.16 Kernel By cyliu 1. Brief Introduction In the netfilter on the 2.6.16 kernel, a major correction idea of Netfilter is to use netfilter as a protocol-independent framework and create a separate net/netfilter directory

I searched the internet for the getline () function for a long time, mostly for C ++. There are many heavy-duty functions in the cloud, and there are no instances. Actually, there is no getline () required by myself () function. Therefore, I ran man

"App_name" is not translated in "AF" (Afrikaans), "AM" (Amharic), "Ar" (Arabic), "BG" (Bulgarian), "Ca" (Catalan), "CS" (C Zech), "Da" (Danish), "de" (German), "El" (Greek), "En-rgb" (English:united Kingdom), "En-rin" (English:india), "Es" (Sp Anish)

Automatic Poetry Input:Standard Input Output:Standard output Time limit:2 seconds Memory limit:32 MB   "Oh God", Lara Croft exclaims, "it's one of these dumb riddles again !"   In Tomb Raider XIV, Lara is, as ever, gunning her way through your ent

  1. for smart pointers, security first, convenience second, localization (scoped_ptr) as much as possible ); 2. Add const to the referenced parameter; otherwise, use the pointer parameter; 3. Use of function overloading should be clear and easy to