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Why should the “PIMPL” idiom be used? [duplicate]
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Because you want Purr() to be able to use private members of CatImpl. Cat::Purr() would not be allowed such an access without a friend declaration.
Because you then don't mix responsibilities: one class implements, one class forwards.
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Write lines of text to a file in R
...riteLines() is roughly ten times faster then the combination of sink() and cat()
– rafa.pereira
Oct 1 '15 at 9:36
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Is std::vector so much slower than plain arrays?
...ole bunch of things not associated with the test.
I would also take into account that you are not correctly initializing/Destroying the Pixel object in the UseArrray() method as neither constructor/destructor is not called (this may not be an issue for this simple class but anything slightly more c...
.gitignore for Visual Studio Projects and Solutions
...pdb
*.pgc
*.pgd
*.rsp
*.sbr
*.tlb
*.tli
*.tlh
*.tmp
*.tmp_proj
*.log
*.vspscc
*.vssscc
.builds
*.pidb
*.svclog
*.scc
# Chutzpah Test files
_Chutzpah*
# Visual C++ cache files
ipch/
*.aps
*.ncb
*.opensdf
*.sdf
*.cachefile
# Visual Studio profiler
*.psess
*.vsp
*.vspx
# TFS 2012 Local Workspace
$t...
自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
... TODO configure ltmain.sh
BACKLOG acconfig.h configure.ac mdate-sh
COPYING aclocal.m4 configure.in missing
COPYING.DOC ansi2knr.1 depcomp mkinstalldirs
COPYING.LESSER ansi2k...
How can I get Docker Linux container information from within the container itself?
...tainer id can be found in /proc/self/cgroup
So you can get the id with :
cat /proc/self/cgroup | grep -o -e "docker-.*.scope" | head -n 1 | sed "s/docker-\(.*\).scope/\\1/"
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RSA Public Key format
...516E4A15AB1CFB622E651D3E83FA095DA630BD6D93E97B0C822A5EB4212D428300278CE6BA0CC7490B854581F0FFB4BA3D4236534DE09459942EF115FAA231B15153D67837A63
265:d=1 hl=2 l= 3 prim: INTEGER :010001
To decode the SSH key format, you need to use the data format specification in RFC 4251 too, in conju...
how to restart only certain processes using supervisorctl?
...k
[supervisord]
logfile=supervisord.log
pidfile=supervisord.pid
[program:cat1]
command=cat
[program:cat2]
command=cat
[program:cat3]
command=cat
[group:foo]
programs=cat1,cat3
[supervisorctl]
serverurl=unix://%(here)s/supervisor.sock
[rpcinterface:supervisor]
supervisor.rpcinterface_factory =...
List all indexes on ElasticSearch server?
...ie" : {
"aliases" : {
"rumpleteazer" : { },
"that_horrible_cat" : { }
}
}
}
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Create directories using make file
... For example,
$(OUT_O_DIR)/%.o: %.cpp
@mkdir -p $(@D)
@$(CC) -c $< -o $@
title: $(OBJS)
Then, you're effectively doing the same: create directories for all $(OBJS), but you'll do it in a less complicated way.
The same policy (files are targets, directories never are) is used...