#include<iostream>2
using namespace std;3
4
unsigned int make16color(unsigned int r, unsigned int g, unsigned int b)5
{
6
return ((((r >> 3) & 0x1f) << 11) |7
(((g >> 2) & 0x3f) << 5) | ((b >> 3) & 0x1f));8
}9
10
int main()11
{12
int r,g,b;13
while(cin>>r>>g>>b)14
{
15
cout<<make16color(r,g,b)<<endl;16
}17
system("pause");18
return 0;19
}20
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#include <iostream>2
#include <vector>3
using namespace std;4
5
int main()6
{7
vector<int> ivec;8
cout<<"capacity:"<<ivec.capacity()<<" size:"<<ivec.size()<<endl;9
//娣誨姞10涓厓绱?/span>10
for(int i = 0; i < 10; ++i)11
{12
ivec.push_back(i);13
cout<<"capacity:"<<ivec.capacity()<<" size:"<<ivec.size()<<endl;14
}15
//灝嗗閲忕敤瀹?/span>16
while(ivec.size() != ivec.capacity())17
ivec.push_back(0);18
//娣誨姞1涓厓绱?/span>19
cout<<"size = capacity. insert one element\n";20
ivec.push_back(0);21
cout<<"capacity:"<<ivec.capacity()<<" size:"<<ivec.size()<<endl;22
23
ivec.reserve(100);24
cout<<"reserve capacity 100\n";25
cout<<"capacity:"<<ivec.capacity()<<" size:"<<ivec.size()<<endl;26
27
//灝嗗閲忕敤瀹?/span>28
while(ivec.size() != ivec.capacity())29
ivec.push_back(42);30
//娣誨姞1涓厓绱?/span>31
cout<<"size = capacity. insert one element\n";32
ivec.push_back(0);33
cout<<"capacity:"<<ivec.capacity()<<" size:"<<ivec.size()<<endl;34
35
system("pause");36
return 0;37
}38
2. capacity - 瀹瑰櫒鐨勬垚鍛樺嚱鏁癱apacity()鍙栧緱
max_size - 瀹瑰櫒鐨勬垚鍛樺嚱鏁癿ax_size()鍙栧緱
STL瀹瑰櫒鐨刢apacity灞炴э紝琛ㄧずSTL鍦ㄥ彂鐢焤ealloc鍓嶈兘鍏佽鐨勬渶澶у厓绱犳暟錛屼篃鍙互鐞嗚В涓洪鍒嗛厤鐨勫唴瀛樼┖闂淬備緥濡備竴涓獀ector<int> v鐨刢apacity涓?錛屽綋鎻掑叆絎?涓厓绱犳椂錛寁ector浼歳ealloc錛寁ector鍐呴儴鏁版嵁浼氬鍒跺埌鍙﹀涓涓唴瀛樺尯鍩熴傝繖鏍蜂箣鍓嶆寚鍚憊ector涓殑鍏冪礌鐨勬寚閽堛佽凱浠ｅ櫒絳夌瓑鍧囦細澶辨晥銆?/p>
max_size灞炴у拰capacity涓嶅悓錛岃〃紺篠TL瀹瑰櫒鍏佽鐨勬渶澶у厓绱犳暟錛岄氬父錛岃繖涓暟鏄竴涓緢澶х殑甯告暣鏁幫紝鍙互鐞嗚В涓烘棤絀峰ぇ銆傝繖涓暟鐩笌騫沖彴鍜屽疄鐜扮浉鍏籌紝鍦ㄦ垜鐨勬満鍣ㄤ笂vector<int>鐨刴ax_size涓?073741823錛岃宻tring鐨刴ax_size涓?294967294銆傚洜涓簃ax_size寰堝ぇ~鎵浠ュ熀鏈笉浼氬彂鐢熷厓绱犳暟瓚呰繃max_size鐨勬儏鍐碉紝鍙渶鐭ラ亾涓よ呭尯鍒嵆鍙?/p>
璁懼畾capacity
List, Map/Multimap, Set/Multiset, Deque
騫朵笉鏄墍鏈夌殑瀹瑰櫒閮戒細鍙戠敓realloc錛孡ist錛孧ap/Multimap錛孲et/Multiset鐨勫厓绱犲湪鍐呭瓨涓暎甯冿紝涓嶉鍒嗛厤鍐呭瓨錛屾墍浠ヤ笉浼氫駭鐢焤ealloc鐨勬儏鍐碉紝瀵逛簬榪欎簺瀹瑰櫒錛屽叾capacity鏄棤鎰忎箟鐨勶紝鎵浠ヨ繖浜涘鍣ㄦ病鏈塩apacity()鎴愬憳鍑芥暟錛屼篃娌℃湁capacity灞炴с?/p>
deque鍙屽悜闃熷垪鎯呭喌姣旇緝鐗規畩錛宒eque灝嗗唴瀛樺垎鍧楋紝姣忔鍒嗛厤鍥哄畾澶у皬鐨勫垎鍧楋紝涓涓垎鍧楀～鍏呮弧鍚庡紑杈熸柊鐨勫垎鍧楋紝涔熷睘浜庢暎甯?榪炵畫娣鋒潅鐨勬儏鍐碉紝铏界劧deque浼氶鍒嗛厤鍐呭瓨絀洪棿錛屼絾涔熶笉浼氫駭鐢焤ealloc錛堜漢瀹舵槸alloc錛夛紝鎵浠ヤ篃涓嶅叿鏈塩apacity灞炴с?/p>
Vector, String, basic_string<wchar_t>
瀹為檯鍏鋒湁capacity灞炴х殑瀹瑰櫒鍙湁vector鍜宻tring錛屽湪涓嶅悓瀹炵幇涓嬶紝capacity涔熶笉灝界浉鍚屻傚湪鎴戠殑鏈哄櫒涓婏紝鎯呭喌濡備笅錛?/p>
vector<T>
榛樿鏋勯犲嚱鏁?- capacity = 0
浣跨敤鏋勯犲嚱鏁皏ector<T>(n, value=T())鎸囧畾capacity - capacity = n
string 錛坆asic_string<char> 錛?/p>
榛樿鏋勯犲嚱鏁?- capacity = 15
娌℃湁鎸囧畾capacity鐨勬瀯閫犲紡
鎸囧畾浜嗗垵濮嬪瓧絎︿覆鐨?- capacity = 澶т簬瀛楃涓查暱搴︿笖絳変簬n*15-1
basic_string<wchar_t>
榛樿鏋勯犲嚱鏁?- capacity = 7
鎸囧畾浜嗗垵濮嬪瓧絎︿覆鐨?- capacity = 澶т簬瀛楃涓查暱搴︿笖絳変簬n*8-1
闄や簡閫氳繃鏋勯犲紡璁懼畾capacity錛屼篃鍙互浣跨敤reserve(n)鏉ヨ瀹氬鍣ㄥ璞＄殑capacity錛岄伩鍏嶄箣鍚庣殑realloc銆備笉榪囪繖涓榪囩▼鏄彧澧炰笉鍑忕殑錛屽鏋渘灝忎簬褰撳墠capacity錛屽垯reserve(n)鏃犳晥銆?/p>
鏀剁緝瀹瑰櫒鐨勫唴瀛樺崰鐢ㄧ┖闂?/h2>
Vector, String, basic_string<wchar_t>
瀵逛簬vector鍜宻tring錛屽洜涓簉eserve()鐨勬晥鏋滄槸鍙涓嶅噺錛屾墍浠ユ棤娉曢氳繃reserve()鏉ユ敹緙╃┖闂淬傚闇鏀剁緝鍐呭瓨絀洪棿錛屾濊礬濡備笅錛?/p>
鏂板緩涓涓獀ector/string
涓烘柊寤虹殑vector/string濉厖鍘熷鍣ㄧ殑鍐呭
灝嗗師瀹瑰櫒鐨勫彉閲忓悕鎸囧悜鏂扮殑瀹瑰櫒
瀹為檯浣跨敤涓彧闇瑕佷竴鏉¤鍙ュ嵆鍙?/p>
vector<int> v(10, 5); v.reserve(20); vector<int>(v).swap(v);
3.鍙傝?http://www.cnblogs.com/SelaSelah/archive/2012/05/30/2526736.html
http://blog.csdn.net/youxin2012/article/details/9213539
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鍙傝冩枃绔狅細http://hi.baidu.com/youzi0730/item/17f00059e77bd63d32e0a901
2.鍟ラ兘涓嶆敹浜嗭紝涓嬭澆eclipse for c/c++鐒跺悗閰嶅悎MinGw錛孧inGW鐨勬敼鍔ㄥ涓婏紝鐒跺悗寤虹珛c++宸ョ▼鎴愬姛榪愯銆?/span>2013騫?鏈?鏃?span style="color: #454545; font-family: tahoma, helvetica, arial;">
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sudo apt-get install smbfs
sudo apt-get install system-config-samba
2.鍚姩samba鍥懼艦綆＄悊鐣岄潰
#sudo system-config-samba
3.閫夋嫨鍏變韓鐨勭洰褰?br />4.閲嶅惎smb鏈嶅姟:/etc/init.d/smbd restart 錛堟敞鎰忚繖閲岀敤smbd鑰屼笉鏄痵amba,鎴戠敤samba璇存壘涓嶅埌涓嶇煡閬撴庝箞鍥炰簨錛屽彲鑳界増鏈棶棰橈級
5.windows涓嬪湪cmd杈撳叆linux涓嬬殑ip鍦板潃錛堝湪ubuntu涓嬭緭鍏pconfig鍙互鏌ョ湅ip鍦板潃錛?/font>
6.鍙傝冩枃绔?
http://www.cnblogs.com/amishe/p/3162236.html
http://blog.csdn.net/xt_xiaotian/article/details/4216408
http://blog.163.com/liwenhoho@126/blog/static/171042060201182125633236/
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tar zxvf ncurses<version>.tar.gz # 瑙ｅ帇緙╁茍涓旈噴鏀炬枃浠跺寘
cd ncurses<version> # 榪涘叆瑙ｅ帇緙╃殑鐩綍錛堟敞鎰忕増鏈級
./configure # 鎸夌収浣犵殑緋葷粺鐜鍒朵綔瀹夎閰嶇疆鏂囦歡
make # 緙栬瘧婧愪唬鐮佸茍涓旂紪璇憂curses 搴?br /> sudo make install # 瀹夎緙栬瘧濂界殑NCURSES 搴?/font>
鐒跺悗鐢ㄧ紪璇戝櫒鍐欎竴涓▼搴忔祴璇曟槸鍚﹀畨瑁呮垚鍔?緙栧啓hello.c濡備笅錛?/p>
#include <ncurses.h>
2int main()
3{
4initscr()途 /* 鍒濆鍖栵紝榪涘叆NCURSES 妯″紡*/
5printw("Hello World !!!")途 /* 鍦ㄨ櫄鎷熷睆騫曚笂鎵撳嵃Hello, World!!! */
6refresh()途 /* 灝嗚櫄鎷熷睆騫曚笂鐨勫唴瀹瑰啓鍒版樉紺哄櫒涓婏紝騫跺埛鏂?/span>*/
7getchar()途 /* 絳夊緟鐢ㄦ埛杈撳叆*/
8endwin()途 /* 閫鍑篘CURSES 妯″紡*/
9return 0途
10}
鏈鍚庤繍琛屾敼紼嬪簭鍗沖彲錛屽睆騫曡緭鍑篐ello world錛屾垚鍔熻鎴愩?br />
涓嬮潰鏄湪榪欎釜榪囩▼涓亣鍒扮殑閿欒錛?br />1.閫氳繃緇堢瀹夎紼嬪簭sudo apt-get install xxx鏃跺嚭閿欙細
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
瑙ｅ喅鍔炴硶:
鍦ㄧ粓绔腑鏁插叆浠ヤ笅涓ゅ彞
sudo rm /var/cache/apt/archives/lock
sudo rm /var/lib/dpkg/lock
涓婇潰涓や釜鍛戒護涓湁鐨勭洰褰曞彲鑳戒笉瀛樺湪錛屽彲浠ュ埌鐩綍褰撲腑鍘葷湅錛岀劧鍚庢墜鍔ㄥ垹闄や箣鍗沖彲銆?/font>
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2.HOME鐩綍鐨勮緗棶棰橈紝榪欓噷鏈夊ソ澶氭柟娉曪紝璁や負鏈綆鍗曠殑涓涓柟娉曞氨鏄湪娉ㄥ唽琛ㄤ笅錛屼慨鏀笻KEY_LOCAL_MACHINE\SOFTWARE\GNU\Emacs\HOME鐨勫鹼紝鏀逛負D:/emacs_23.1錛屽鏋滄病鏈夎繖浜涙枃浠跺す灝辨柊寤恒傝繖涓狧OME鐩綍榪樻槸姣旇緝閲嶈鐨勶紝鍥犱負鎴戜滑浠庡埆浜烘嫹鏉ョ殑鎻掍歡錛屽榪欎簺鎻掍歡鍋氶厤緗椂鍙兘浼氭秹鍙婂埌HOME鐩綍銆?br />3.鎺ヤ笅鏉ュ湪D:/emacs_23.1/鐩綍涓嬫柊寤?emacs.d鏂囦歡澶瑰拰.emacs鏂囦歡.
4.鎺ヤ笅鏉ュ氨鏄粠鍒漢閭ｉ噷涓嬫彃浠訛紝鏀歸厤緗簡銆傛彃浠朵竴鑸斁鍦╯ite-lisp涓嬶紝鐒跺悗鍦?emacs閰嶇疆鏂囦歡涓姞鍏ワ紙require ’ 鎻掍歡鍚嶇О錛夛紝榪欐牱閲嶆柊鍚姩emacs鍗沖彲鐢熸晥錛侊紒錛?br />
鍙傝冩枃绔?http://wenku.baidu.com/view/d799dd070740be1e650e9a9b.html
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