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How to change the default GCC compiler in Ubuntu?
I have installed gcc-3.3/g++-3.3 on ubuntu 11.04 which already has gcc/g++-4.4. So in my system both gcc-3.3 and 4.4 are available. I am able to call both compilers as I want. If I just call the command gcc then gcc-4.4 will get called. To call gcc-3.3, I have to use the command gcc-3.3 .
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Input and Output binary streams using JERSEY?
...e and serve JSON encoded data. But I have some situations where I need to accomplish the following:
10 Answers
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How to specify new GCC path for CMake
My OS is centos which has a default gcc in path /usr/bin/gcc . But it is old, I need a new version of gcc. So I install a new version in a new path /usr/local/bin/gcc .
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Makefiles with source files in different directories
...w the "right way" of doing things instead of ways that "just work" or are accepted as standard.
– tjklemz
Mar 22 '13 at 18:55
3
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ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared - c+...
#include <pthread.h>
#include <signal.h>
除了pthread.h外，还要引入signal.h头文件才行，解决。
XXX.cc:100: error: ‘::strerror’ has not been declared - c++1y / stl - 清泛IT社区，为创新赋能！
#include <string.h> 解决。
Can I set subject/content of email using mailto:?
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webdevelopersnotes.com&body=The Tips and Tricks section is great
&cc=anotheremailaddress@anotherdomain.com
&bcc=onemore@anotherdomain.com">Send me an email</a>
you can use this code to set subject, body, cc, bcc
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Switching between GCC and Clang/LLVM using CMake
... built using CMake and I'd like to be able to easily switch between using GCC or Clang/LLVM to compile them. I believe (please correct me if I'm mistaken!) that to use Clang I need to set the following:
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Mercurial .hgignore for Visual Studio 2008 projects
...Ignore Visual Studio 2008 files
*.obj
*.exe
*.pdb
*.user
*.aps
*.pch
*.vspscc
*_i.c
*_p.c
*.ncb
*.suo
*.tlb
*.tlh
*.bak
*.cache
*.ilk
*.log
*.lib
*.sbr
*.scc
[Bb]in
[Dd]ebug*/
obj/
[Rr]elease*/
_ReSharper*/
[Tt]est[Rr]esult*
[Bb]uild[Ll]og.*
*.[Pp]ublish.xml
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Split (explode) pandas dataframe string entry to separate rows
...]:
aaa myid num text
0 10 1 [1, 2, 3] [aa, bb, cc]
1 11 2 [] []
2 12 3 [1, 2] [cc, dd]
3 13 4 [] []
In [135]: explode(df, ['num','text'], fill_value='')
Out[135]:
aaa myid num text
0 10 1 1 aa...