as result l g

In fact, before this, I always thought that gcc and g++ is a thing, just have two different names only, today in Linux under the compilation of a C code error only to find the difference between GCC and g++.First describe the error you encountered

First describe the error you encountered today:Because before writing the program, write is CPP file, and then directly use g++ compile, no error, also did not care about these problems, today there is a C file, but contains after the STL vector

Switch GCC, G ++, and gfortran versions in Ubuntu Step 1: use which gcc, which g ++, and which gfortran to view the location. My result is/usr/bin/gcc; /usr/bin/g ++ and/usr/bin/gfortran Part 2: first, let's take a look at the gcc commands installed

Fundamental differences:Hduoj, g++ use is mingw,c++ with Msvc;mingw I/O speed is relatively slow, this is also some people with g++ timeout, and C + + AC ReasonDifference One:1, the output double type, if the use of g++ submission, scanf

The sort command helps us sort by different data types and is very efficient to sort, so it's also a very common command.Sort reference and Description: https://www.gnu.org/software/coreutils/manual/html_node/sort-invocation.htmlThis paper mainly

Appendix B message, control notification, and message image macroB .1 some common window messagesDescription of parameters of the w m commandW m c r e at e sends this message, telling the window to initialize itself to send l p a r a m to C r e at e

1.GCC GCC represents "GNU Compiler Collection", and GCC is a collection of compilers for the release of several major programming languages that currently include C,c++,objective-c, Java, Fortran, Ada, and go. GCC has three layers of meaning: (1) as

Preface: In a 16-bit environment, INT/unsignedint occupies 16 bits, and long/unsigned long occupies 32 bits. In a 32-bit environment, int occupies 32 bits, unsignedint occupies 16 bits, and long/unsigned long occupies 32 bits. When to use: The range

The results of the execution using the LS-L command are as follows (/var/log):[HTML] Drwxr-x---2 root adm 4096 2013-08-07 11:03 apache2 Drwxr-xr-x 2 root root 4096 2013-08-07 09:43 AppArmor Drwxr-xr-x 2 root root 4096 2013-08-07 09:44 apt -

Save Ctrl+s (know for sure)Comment Code ctrl+/Uncomment ctrl+\ (Eclipse3 already merged into ctrl+/)Code-assisted alt+/Quick Fix ctrl+1Code Formatting Ctrl+shift+fOrganize import Ctrl+shift+oToggle Window Ctrl+f6 Ctrl+shift+m Importing unreferenced