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250:ftHgÌŒ³µ³ñ
10/03/28 15:49:13
>>245
f[^ÌvfÉÖ·évîñªÈ¢±ÆÉÍA
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251:ftHgÌŒ³µ³ñ
10/03/28 15:49:15
>>249
ŠX èªÆ€²Ž¢Ü·B
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252:ftHgÌŒ³µ³ñ
10/03/28 15:58:57
>>251
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253:245
10/03/28 16:10:23
>>247
Lï€²Ž¢Ü·BœŸâÍèsÀÈÌÍAOS©ç©ÄvOªÌ±±©ç±±ÜÅðgpµœ¢Æ\ñinewÅmÛj·éÆv€ÌÅ·ªA
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254:ftHgÌŒ³µ³ñ
10/03/28 16:17:03
>>253
q[vÌÇÌæÌ±ÆHPOOÅàPOKŸµwindowsÈçâèÈ¢Ÿë€B
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255:ftHgÌŒ³µ³ñ
10/03/28 16:22:51
>>253
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256:ftHgÌŒ³µ³ñ
10/03/28 16:34:33
f[^ÍãëÉÇÁ·éŸ¯Èí¯H
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dequeÍãëÉÇÁ·éŸ¯ÈçÌÄzuÍN±çÈ¢B
257:245
10/03/28 16:48:23
>>256
Lï€²Ž¢Ü·B
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>>255
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258:ftHgÌŒ³µ³ñ
10/03/28 17:05:40
vector<T*> data;
deque<T> pool;
queue<T*> recycle;
ðpÓµÄA
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259:ftHgÌŒ³µ³ñ
10/03/28 17:14:24
v[ÁÄÄp»·éæèÚIÊɪÐËÁÄ»ÌÂÇÅK»µœûªÇËH
260:ftHgÌŒ³µ³ñ
10/03/28 17:15:09
>>257
Zpðüã³¹œ¢Æv€ÈçæÉ±êðÇñÅš¯B
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sÀâzðàÆÉR[hð¡G»³¹éÌÍDêœZpÒÌ·é±ÆÅÍÈ¢B
261:ftHgÌŒ³µ³ñ
10/03/28 17:18:00
Lï€ÆŸ¢ÈªçA>255ð³µÄÄΊéB
262:ftHgÌŒ³µ³ñ
10/03/28 17:18:46
SPÊÅnew/deleteªpÉÉsíêœç»èá·ÜÅàÈptH[}X¿éí
263:ftHgÌŒ³µ³ñ
10/03/28 23:09:23
Ÿ¢œ¢AœðwKµœÄ»ñÈàñìë€ÆvÁœÌ©
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264:ftHgÌŒ³µ³ñ
10/03/29 10:22:58
SPÊÅnew/deleteðpÉÉs€vOÁÄœH
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265:ftHgÌŒ³µ³ñ
10/03/29 13:26:29
vRpCÏÝwb_[ðg€ÛAÉ
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266:ftHgÌŒ³µ³ñ
10/03/29 19:04:37
newÉεÄdelete[]͵¿á¢¯È¢àÌH
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10/03/29 19:10:31
RpCOÉm[}new/deleateðzñnew/deleteÉu·ŠéXNvgç¹ê΢¢B
268:ftHgÌŒ³µ³ñ
10/03/29 19:10:40
>>266
PÌÈçX}[g|C^ðAzñÈçSTLReiðgŠÎ»ñÈSzÍvèܹñB
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269:ftHgÌŒ³µ³ñ
10/03/29 19:11:21
>>266
> newÉεÄdelete[]͵¿á¢¯È¢àÌH
ŸßB¢è`Ì®ìB@©ç«ªoé©àB
> àµÍ|C^Ìgðœç©Ìû@ÅPÌ©zñ©æÊ·éû@ͳ¢àÌÅ·©H
È¢B
T* p = new T;
T* p = new T[10];
T a(0);
T* p = &a;
pª±Ì3ÂÌÇêÈÌ©·ç»èsÂ\B
270:ftHgÌŒ³µ³ñ
10/03/29 19:14:08
> zñÈçSTLReiðgŠÎ
boost::shared_arrayÁÄÌà éºæI
271:ftHgÌŒ³µ³ñ
10/03/29 22:05:27
boostÌv[ÁÄZßÄÆéš«èÈÈÁœçÜœZßÄÆéšÜÆßÄjüÁĵÄéÌH
ÅãÌÜÆßÄjüðµÈ©ÁœçXÆHtµÄ¢Ì©ÈH
272:ftHgÌŒ³µ³ñ
10/03/29 22:10:18
make_sieveàÌfree(sieve)ÅÊñ¯ÇœªŽöH
URLØÝž(kansai2channeler.hp.infoseek.co.jp)
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RpCFVS2008
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273:ftHgÌŒ³µ³ñ
10/03/29 22:40:24
>>272
Error 00001. 0x130610 (Thread 0x0EEC):
Access overrun: Attempt to access 4 byte(s) at 0x00B8F550+4000, that is at
offset 0+4000 in heap block 0x00B8F550 which is only 4001 bytes long.
| sieve1.c line 27:
| if(sieve==NULL) exit(1);
|
|> for(i=0;i<=limit;i++) sieve[i]=0;
| for(i=4;i<=limit;i+=2) sieve[i]=1;
| for(i=3;i<=limit/2;i+=2){
Call Tree:
0x0040123C(=sieve1.exe:0x01:00023C) sieve1.c#27
0x004011A3(=sieve1.exe:0x01:0001A3) sieve1.c#13
0x32AD8D9E(=CC32100MT.DLL:0x01:0D7D9E)
The memory block (0x00B8F550) [size: 4001 bytes] was allocated with malloc
| sieve1.c line 24:
| void make_sieve(int limit){
| int i,j,idx,cnt;
|> int *sieve=(int*)malloc(sizeof(int)*limit+1);
| if(sieve==NULL) exit(1);
|
Call Tree:
0x0040121A(=sieve1.exe:0x01:00021A) sieve1.c#24
0x004011A3(=sieve1.exe:0x01:0001A3) sieve1.c#13
0x32AD8D9E(=CC32100MT.DLL:0x01:0D7D9E)
Èñ©êtG[oé
ÍÍOðANZXµÄéÝœ¢ŸË
274:ftHgÌŒ³µ³ñ
10/03/29 22:41:25
Í[ñ
malloc(sizeof(int)*(limit+1));@ÌÔᢶáË[ÌH
275:ftHgÌŒ³µ³ñ
10/03/29 22:47:02
int x = 0xXXXXXXXX;
unsigned int y = static_cast<unsigned int>(x);
±ÌLXgÅÅãÊrbgÍWÅKžÛ³êÜ·©H
276:ftHgÌŒ³µ³ñ
10/03/29 22:59:13
>>273-274
»êŸIIwE³êéÜÅCéȩÁœŽAz·¬é
TNX
277:ftHgÌŒ³µ³ñ
10/03/29 23:27:22
>>265
vRpCwb_[ðCN[h·éOÉAÓ¡Ì é¶ð¢ÄÍŸßB
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278:ftHgÌŒ³µ³ñ
10/03/29 23:49:30
>>265
áŠÎVCÅͱñȧÀª éB
URLØÝž(msdn.microsoft.com)
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279:ftHgÌŒ³µ³ñ
10/03/29 23:55:26
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280:ftHgÌŒ³µ³ñ
10/03/30 01:14:17
vRpCg€Ìðâß鯢€û@à é
281:ftHgÌŒ³µ³ñ
10/03/30 01:41:18
vWFNgÌtH_\¬Å¢¢âèûÈ¢©È
boostð}lµæ€©ÆvÁœ¯Ç\[X©ÄàboostªÇ€¢€[ÅâÁÄéÌ©í©çñ©ÁœEEE
282:ftHgÌŒ³µ³ñ
10/03/30 02:11:54
>>281 ¡ªÇñÈ\¬ÅA»êÌœªCÉüçȢ̩q׿B
283:ftHgÌŒ³µ³ñ
10/03/30 15:53:11
WindowsÅCPUÌügðæŸ·éû@ð³ŠÄŸ³¢
284:ftHgÌŒ³µ³ñ
10/03/30 16:20:33
T& GetT();
T const& GetT()
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285:ftHgÌŒ³µ³ñ
10/03/30 19:31:15
T& GetT();
T const& GetT() const;
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obj.GetT() ƵÄ
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286:ftHgÌŒ³µ³ñ
10/03/30 21:07:04
>>277-278
âÍèâèª è»€Å·ËB
ÀÛgÁÄéÌÍBCBÈñÅAVCð^µÄ
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287:ftHgÌŒ³µ³ñ
10/03/30 22:07:09
char (*a)[4] = new char[10][4];
ÌdeleteÍdelete(a)A»êÆàdelete [] (a)?
©ªdelete [] (a)Æv€ñŸ¯ÇAÇ€H
delete(a)ŸÆ[NÉÈçÈ¢ÌH@±êÅàSÄJú³êéÌ
288:ftHgÌŒ³µ³ñ
10/03/31 00:52:34
>>287
delete[]ðg¢Üµå€
new char[10][4]; Ì10ÍÏÅàæAchar (*)[4]AÂÜèchar^Ì
vf4ÌzñÖÌ|C^ðzñmÛ·éZqÈÌÅAdeleteÍ
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289:ftHgÌŒ³µ³ñ
10/03/31 17:26:59
C/C++É¢Äî{IÈ©àµêܹñªA|C^ÆzñÉ¢Ŀ⳹ĺ³¢B
int[] a;
int* p1 = a;
Íí©éÌÅ·ªA
int* p2, p3;
p2 = a;
*p3 = a;
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p2 = &a;
*p3 = &a;
æëµäwìÌÙǚ袢œµÜ·B
290:ftHgÌŒ³µ³ñ
10/03/31 18:12:46
>>289
aªint^ÌzñŸÆµÄA
p2ÍaÌAhXðintÌ|C^©çANZXū鿀É
Rs[µÄ¢é³íÈLqB
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291:ftHgÌŒ³µ³ñ
10/03/31 18:16:07
int *p2 ,p3
ÁÄint^Îß²ÝÀp2Æint^Ïp3ÌmÛ¶áÈ¢©H
292:ftHgÌŒ³µ³ñ
10/03/31 18:20:08
>>289
»ÌR[hÍA¢Â©RpCªÊçÈ¢Æ±ëª éB
> int* p2, p3;
Ʊêàp2ªintÖÌ|C^Ap3ªintÉÈéC/C++Ìã©B
p2 = a;
|C^ªw·AhXðÏŠéÌͱêB
p2 = &a;
±êÍ|C^ÖÌ|C^Ýœ¢È±ÆÉÈéB
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293:ftHgÌŒ³µ³ñ
10/03/31 18:50:32
>>289
î{IÈÆOu«ª èAœÜÉëðµÄoŠÄélAÜœÔáÁœàŸð·élª¢éÌÅ
O̜ߢÅɢĚÆA C/C++ ÉÍAáŠÎ uintÌ|C^["^"v Ìæ€ÈšÍ¶ÝµÈ¢B±êdvB
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ÂÜèÇÝûƵÄA»ÌáÍ uint*v Ì up2v ÅÈAuintv Ì u*p2vB
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@int x;
Æ ÁœÆ«AÅÌ int ÍiáŠÎ®ª32bitŸÆ·éÆjAuintƵĵ€ASoCgÌÌæv Æ¢€Ó¡Åµ©ÈA
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@int* z; @ÅÍÈA@int *z;@ÅȯêÎÈçÈ¢B@±ñÈîbB
294:ftHgÌŒ³µ³ñ
10/03/31 18:56:39
à€êÂÇLµÄšÆAÂÜè
int x; @ÍADZ©šIÈi[æªèÄçêœàÌÅA»êðw·ŒOª x Æ¢€Ó¡Å èA
int *y;@ÍADZŸ©í©çÈ¢iDZÅࢢ = *ji[æðŠ·àÌÅA»êðw·ŒOª y ÁÄB
»µÄÇ¿ç©à^ƵÄÍ int B@EEEÁÄA
ÅàÀÛÉÍ int Ì|C^[^@Ýœ¢ÉµŠÈ¢ÆsÖÈÌÅAÜéÅ^Ìæ€ÉUÁÄÍ¢éñŸ¯ÇBLXgÆ©B
295:ftHgÌŒ³µ³ñ
10/03/31 18:58:08
dlÉpointer typeÍoīܷªB
296:ftHgÌŒ³µ³ñ
10/03/31 19:02:50
©EµÄé
297:ftHgÌŒ³µ³ñ
10/03/31 19:03:07
C++ÅÍ
int[] a;
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298:ftHgÌŒ³µ³ñ
10/03/31 19:05:23
JavaL¢È
299:ftHgÌŒ³µ³ñ
10/03/31 19:07:03
DZ©ÌXÅu|C^vÆu|C^ªw·ævðuó Ìn}vÆuó vÅðàµÄ¢éÌðv¢oµœB
int x; // uint^Ìó v
int* y; // uint^Ìó vÌn}
y = &x; // &ÅxÌn}ðæŸµÄyÉãü
*y = 10; // n}Å éyªw·ó ÖÌãü
300:ftHgÌŒ³µ³ñ
10/03/31 19:25:24
>>293 ^ª³¢ÁÄfŸµ¿á€ÌÍ êŸ¯ÇAåÌŸ¢œ¢±ÆÍÁÄéB
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301:ftHgÌŒ³µ³ñ
10/03/31 23:11:53
>>288
èªÆ€²Ž¢Ü·BâÁÏ軀ŷæËB
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ZqÍÇêðŸÁÄ¢éñÅ·©H
302:ftHgÌŒ³µ³ñ
10/04/01 00:09:46
>>301
unewvZq
303:ftHgÌŒ³µ³ñ
10/04/01 01:26:50
>293
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int i;@@=> iÌ^Íint
int *p; => pÌ^Íint*
int a[10]; =>aÌ^Íint[10]
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@int x;
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304:ftHgÌŒ³µ³ñ
10/04/01 13:25:00
éNXðÀ·éœßŸ¯Ég€wpNXª ÁœÆµÄAÊÉlŠéÆ
namespace{ class HelperClass {...}; }
ðÀµœ¢NXÌ\[X̪çÖñÉÆv€ñŸ¯ÇA±êðt@Cªµœ¢êÇ€·ê΢¢Ÿë€©
305:ftHgÌŒ³µ³ñ
10/04/01 13:46:09
>>304 namespace detail
306:ftHgÌŒ³µ³ñ
10/04/01 14:39:16
WinAPIÌRectangleÁÄright-left<=0ÌêÁÄ¢è`H
307:ftHgÌŒ³µ³ñ
10/04/02 07:52:17
Rs
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308:ftHgÌŒ³µ³ñ
10/04/02 08:09:37
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309:ftHgÌŒ³µ³ñ
10/04/02 08:17:07
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310:ftHgÌŒ³µ³ñ
10/04/02 08:28:27
>>308
URLØÝž(www.acm-japan.org)
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311:ftHgÌŒ³µ³ñ
10/04/02 12:05:24
class Foo{
Hoge* hoge
}
±ÌhogeÉœÔIÉvf𜹜¢ÌÅ·ª
template𩀩ARXgN^ÉvfðµÄ¢³¹é©Ç¿çªæ¢Åµå€©H
312:ftHgÌŒ³µ³ñ
10/04/02 12:25:24
>>311
|C^ÍX}|ɵœÙ€ª¢¢
templateŸÁœçhogeð|C^É·éKvª³¢ÈB
313:ftHgÌŒ³µ³ñ
10/04/02 15:00:21
·ÝܹñAlŠû̮𵜢Ìſ⳹ĺ³¢B
©ªÍiAJava Æ C# ðCÉJµÄ¢éÒÈÌÅ·ªAï¡ÌÍÍÅ C/C++ ð^ÊÚÉ
g¢œ¢Æv¢A±±µÎçžÁÆ×ð±¯Ä¢Ü·B
¿âàeÍAuC++ ÅŸ€NX"Œ" ÍAC ÅŸ€\¢ÌÌ^OŒÆ¯¶šŠûÅ¢¢Ì©v@Å·B
ïÌIÉŸ€ÆAC(/C++) Ì\¢ÌÉ¢ÄA»Ý©ªÍ±Ìæ€ÉšŠÄ¢Ü·B
@struct { àe } ÏŒA, ÏŒBG ÍA»Ìàeð\¢ÆµÄÁœ¡ÌÌæ€ÈÏÆµÄA韵ĢéB¿å€ÇA
@int ÏŒA, ÏŒB;@ÅÌA^Œ int ̪ªA{ àe } Ì`Å\»³êĢ鿀ÈóÔB
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@struct ^OŒ { àe } ÏŒA, ÏŒB; ÆA éA
@struct ^OŒ ÏŒC;@Ìæ€ÉµÄÈÕÉg€±ÆªoéB
@ÅAC++ ÉÈÁÄ©ç±ÌÄx韷éÛÌ struct Ìê¶ÍÈªÅ«éæ€ÉÈÁœÌÅA
@ÜéÅ Java â C# ÅŸ€NXŒÌæ€É©ŠÄ¢é¯ÇA@ÀͱêͳXÄÄÑoµÌ×ÌA^OŒŸÁœB
»µÄAC++ ÉÈÁÄ¡xÍæèd|¯Ìg£³êœ class ªo굜ªA±ÌÌ
@class ŒO { àe } ÏŒ;
É é "ŒO" ̪ÍAãLðÉ é^OŒÆ¯lÉšŠÄš¢Ä¢¢ñŵ倩AÆ¢€Å·B
æëµšè¢¢œµÜ·B
314:313
10/04/02 15:02:41
ëð𵫻€È\LðµœÌÅù³µÜ·
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ÀͱêͳXÄx韷éÛÉLqðȪ·é×ÌA^OŒŸÁœB
315:ftHgÌŒ³µ³ñ
10/04/02 15:25:13
>>313
Žà»ñÈŽ¶ÉðµÄœB±€¢€LqªoéóŸ©çÈ
class Foo {
@public:
@void bar() {
@@class { public: int add(int x, int y) { return x + y; } } calc;
@@int a = 1;
@@int b = 2;
@@printf("%d", calc.add(a, b));
@}
};
µ§É¯¶ÈÌ©AÉ¢ÄÍ ðæçȢƩg³¢ª
316:ftHgÌŒ³µ³ñ
10/04/02 15:33:35
[lŠ·¬BS^ŸæB
int^Afloat^Astruct foo^Aclass bar^
int ÁÄÌÍgÝÝÌ^
class bigintƯΩªÅbigintÆ¢€^ðè`Å«éB
int a = 0;
bigint b = 0;
317:313
10/04/02 15:47:49
>>315-316
X èªÆ€²Ž¢Ü·B»à»àCÉÈÁœ«Á©¯ªAC/C++ Å̱Ì\¶ð©œ¹¢ÈÌÅ·B
@class ŒO {
@@àe
@} Ï;
Java â C# ÅÌŽoŸÆA±ÌÊuÉ "Ï" ªé̪ðoܹñŵœB
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C ÅÌ struct ª >>313 É éæ€ÈàeŸÆmèA»êÈçÎ C++ ÅŠœ class É¢Äà¯lÈÌ©ÈÆv¢ÜµœB
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318:ftHgÌŒ³µ³ñ
10/04/02 15:57:04
CÆC++Åᢪ é©ç»Ìe¿©ÈB
struct@xx@{@@...@}@;
typedef@struct@xx@xx;@//@C++ÅͱêªÈªÅ«éB
xx@v;
319:ftHgÌŒ³µ³ñ
10/04/02 16:06:19
>>317
C++ÅÍstructÆclassÍÙÆñǯ¶ÁÄÌÍmÁÄéH
á¢ÍoÌANZXwè🊵ȢƫÌftHªstructÍpublicAclassÍprivateÁÄŸ¯B
320:313
10/04/02 16:26:55
X èªÆ€²Ž¢Ü·B
>>318
typedef struct { àe } ŒO;
ŒO v;
ÈçA»ÌÜÜŒOÌè`ÉÈéÌÅí©éÌÅ·ªA
struct Ì^OŒÆ class ÌNXŒÆŸíêÄ¢éêÌŒOÉ¢ÄA¯¶©Ç€©ªCÉÈÁœÌÅ·B
>>319
¿âÉ੹ĢœŸ«ÜµœªA޵믶©Ç€©ðm蜩ÁœÌÅ·B
ÅÍÏÈŸ¢û©àµêܹñªA¯¶ÆvÁÄ¢¢í¯Å·ËB
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321:ftHgÌŒ³µ³ñ
10/04/02 16:50:24
œª^âÈÌ©ª©çÈÈÁœªAKiãÌb𵜢Èç»êÍTagÆ¢€±ÆÅ¢¢æB
œŸlŠûƵÄÍ^ŒÅACÆÌÝ·©çTagƵÄÌ®«ðcµÄ¢éÆlŠÄæ¢B
322:313
10/04/02 17:00:48
>>321
èªÆ€²Ž¢Ü·I
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±ÌêŸÅ·Á«èµÜµœB
Æ >>315 ³ñÌ calc ÌsÆí¹ÄA>>319 ³ñÌŸ€ uÙÆñǯ¶v àí¹ÄA
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323:ftHgÌŒ³µ³ñ
10/04/02 17:53:27
ȺboostÉÍ®Iíqt«Ìñ€LX}|ªÈ¢ÌH
324:ftHgÌŒ³µ³ñ
10/04/02 22:32:56
>>323 »êÍNªÜŸCuÌñÄðoµÄ¢È¢©ç¶áÈ¢©ËH
325:ftHgÌŒ³µ³ñ
10/04/03 15:29:48
X}[g|C^ðg€Éµë©ì·éɵë
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¢çboostÝœ¢ÈLŒÈCuÆÍ¢ŠñWÉ˶·éÌÍ¿åÁÆáaŽ éÈÆXv€
326:ftHgÌŒ³µ³ñ
10/04/03 16:49:37
>>325
> ñWÉ˶·éÌÍ¿åÁÆáaŽ éÈÆXv€
OCuàAPI·çgíÈ¢Å
WC/C++ÌÍÍŸ¯Å©êœLŒÈ\tgEFAÍ
ŽÍêÂàµçñÌŸªB
C/C++ÌÀEŵå»êÍB
327:ftHgÌŒ³µ³ñ
10/04/03 19:02:31
>>326
t[[NÝœ¢Èg¢ûÉÈÁ¿á€ÁıƶáÈ¢H
328:ftHgÌŒ³µ³ñ
10/04/04 02:34:35
oÏÌÈ¢oÖŸ¯ÌNXÌTCYÍ0Åæ¢Ìŵ倩H
329:ftHgÌŒ³µ³ñ
10/04/04 02:37:59
>>328
»€ÆÍÀçÈ¢B
330:ftHgÌŒ³µ³ñ
10/04/04 02:48:38
>>328
C++ÅÍ0ÅÍÈ¢ªKiÅÛØ³êÄ¢é
Rð·ÆAhXðæéœßŸÆ
331:ftHgÌŒ³µ³ñ
10/04/04 10:28:12
œÌNXÌTCYªOŸÆvÁœÌ©
332:ftHgÌŒ³µ³ñ
10/04/04 12:02:22
CÅÍóÌ\¢ÌÌTCYª0ÉÈé©çŸë
C++ÍŒzÖÈÇ|C^ÉüêÄg€g¢ûà éÌÅ
(àÁÆàvtableÈÇųX0ÅÍÈ¢©àµêÈ¢ª)óÌ
\¢ÌâNXÅà0ÉÍÈçÈ¢æ€ÉÝv³êÄ¢é
333:ftHgÌŒ³µ³ñ
10/04/04 12:25:49
>>328
> oÏÌÈ¢oÖŸ¯ÌNXÌTCYÍ0Åæ¢Ìŵ倩H
ÞµëÙÚÔá¢È0ÉÍÈçÈ¢±ÆªÛسêéB
áOÍEBOª¢œÌÝ
334:ftHgÌŒ³µ³ñ
10/04/04 12:31:20
¶á óÌ\¢ÌÍCÆC++ÅÝ·«ª³¢Ì©
335:ftHgÌŒ³µ³ñ
10/04/04 12:43:37
( ¥Í¥)ÂV¿ Ö¥`ßÄmÁœ
EBO (Empty Base Optimization)
óÌîêNXÌÅK»B
oÏðêÂàœÈ¢AóÌNXAÆ¢€à̪o鱯ª èÜ·B
µ©µóÌNXÅ ÁÄàAAhXÍêÓÉßÈÄÍÈçÈ¢ÌÅA
izeof( EmptyClass ) Í 0 ÉÍÈèܹñB
EmptyClass arr[100];
assert( &arr[0] != &arr[1] ); // AhXÍáÁÄÄ~µ¢PÆÅg€ÉÍ
±Ì³ÊÍdûÌȢƱëÅ·ªA áŠÎ±ÌóNX©çŒÌNXðh¶
·éÆ«ÍAEmptyClass ̪ÌTCYÍ 0 ɵÄAh¶NXÌoÏÌ
ªŸ¯ðmÛ·éAÆ¢€ÅK»ªÂ\Å·B C++ÌKiųêÄ¢é±Ì
ÅK»Ì±ÆðAEmpty Base Optimization ÆÄÑÜ·B
336:ftHgÌŒ³µ³ñ
10/04/04 12:43:45
>>334
sizeof(óÌ\¢Ì)ª0ÉÈ鱯ªCŸêÌWKiÅÛØ³êÄ¢œ©Í
L¯ÉÈ¢¯ÇAൻ€ÈçC++ÆÝ·«ª³¢_ÉÈéŸë€ËB
Åàsizeof(óÌ\¢Ì)==0É˶µœ\[XÁÄÇñÈñŸH
337:ftHgÌŒ³µ³ñ
10/04/04 16:00:36
>>332
ISO C 6.2.6.1 p2
> Except for bit-fields, objects are composed of contiguous sequences of one or more bytes, ...
C ÅàTCYÍ 0 ÉÈçÈ¢æB
338:336
10/04/04 16:14:04
>>337
Ù[B
¶á ÞµëEBOªÁáÅTCYª0ÆÈèA
»êÈOÍWC/C++ÅÍKž1 or more oCgÍ©©éí¯ŸB@
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339:ftHgÌŒ³µ³ñ
10/04/05 00:47:17
struct hoge {};
struct hoge fuga[42];
Å&fuga[0] < &fuga[1]ÅÈ¢ÆFXïçËB
340:ftHgÌŒ³µ³ñ
10/04/05 14:34:38
class iface {...};
class impl_a : public iface {...};
impl_a a1, a2, a3(a1); // ok
a1 = a2; // ok
iface &i1 = a1, &i2 = a2; // ok
iface i3, i4(i1); // ng
i1 = i2; // ng
iface̶¬Rs[ãüðÖ~µœÜÜimpl_a̶¬Rs[ãüð·éAÄp«Ì éCfBIÍ èÜ·©H
protectedȶ¬Rs[ãüðifaceÉœ¹êÎdlÍœ·ÌÅ·ª±êÍÄp«ªÈ
boost::noncopyableÅÍimpl_aàRs[ãüsÂÉÈÁĵ܀ÌÅðɢܹñŵœ
341:ftHgÌŒ³µ³ñ
10/04/05 17:54:44
©ÈA[}üÍû®ªÇ¿çÈ̩柵œ¢ÌÅ·ªÅ«Ü¹ñB¯¶lªíÉoͳêÜ·B
Ç€·ê΢¢Åµå€©H
ØèÖŠ©ÌÍÅ«ÄÜ·B
2kXPVista7AOSftHg©Officet®ÌIME
Ø©ÌÍwindows 7 office2007IME VC++2008ExpressŵÄÜ·B
URLØÝž(codepad.org)
342:ftHgÌŒ³µ³ñ
10/04/05 20:30:55
>>340
¶¬·çsÂɵœ¢ÈçC^[tF[XNXɷ鯩©ÈH
Ǣ̪v¢Â©È¢ÌźÅTµÄB
URLØÝž(ja.wikibooks.org)
343:ftHgÌŒ³µ³ñ
10/04/05 23:01:28
Rs[RXgN^ÅoÏ|C^ÌgðfB[vRs[µæ€Æv€ÌÅ·ª
oÏ|C^Ì^ÌãüZqÉ˶µÈ¢fB[vRs[Ìû@ÍȢŵ倩H
344:ftHgÌŒ³µ³ñ
10/04/05 23:04:54
Hoge(const Hoge &other) : fuga(new Fuga(*other.fuga))
{
}
345:ftHgÌŒ³µ³ñ
10/04/05 23:05:54
>>343
> oÏ|C^Ì^ÌãüZqÉ˶µÈ¢fB[vRs[Ìû@ÍȢŵ倩H
fŒÉÊÉCopy ConstructorðÆ»€ÈçÈ¢H
ev[gøðT^Æ·éÆA
// Copy Constructor
MyClass(const MyClass& other)
{
pointer = new T(*other.pointer); // pointerͶ|C^ or X}[g|C^^Æ·éB
}
¶á_Èñ·©H
346:345
10/04/05 23:06:50
ZqÌDæÊªsÀÉÈÁœ©çXC³B
// Copy Constructor
MyClass(const MyClass& other)
{
pointer = new T( *( other.pointer ) ); // pointerͶ|C^ or X}[g|C^^Æ·éB
}
¶á_Èñ·©H
347:ftHgÌŒ³µ³ñ
10/04/05 23:37:38
oÏ|C^ÁÄ A B::*p; Ʃ̱ƩH
¢¯Ç±êÅÇ€æB
#include <new>
class A { public: A() {} };
class B {
public:
B() : m_a(operator new(sizeof(A))) { }
~B() { operator delete(m_a); }
A* GetA() { return reinterpret_cast<A*>(m_a); }
const A A1;
const A A2;
const A A3;
void Copy(const A B::*p) {
GetA()->~A();
new (GetA()) A(this->*p);
}
private:
void* m_a;
};
int main() {
B b;
b.Copy(&B::A1);
b.Copy(&B::A2);
b.Copy(&B::A3);
}
348:ftHgÌŒ³µ³ñ
10/04/06 00:08:37
oÏ|C^ŸÆÊÈӡȱÆÉ¢Ü³çCªÂ¢œ
|C^^oÌ|CgæÆÅࢊ΢¢Ì©ÈH
>>346
±êàŸt«çžÅµœ
Rs[RXgN^âãüZqÌæ€ÈèûÌÀÉ˶µÈ¢Rs[AÆ¢€±ÆÅµœ
349:ftHgÌŒ³µ³ñ
10/04/06 00:50:07
>>340 iface ÉŒzÖð韷éB
350:ftHgÌŒ³µ³ñ
10/04/06 00:51:33
>>348
Rs[RXgN^âRs[ãüZqðgížÉRs[µëÆ¢€Ì©H
351:ftHgÌŒ³µ³ñ
10/04/06 06:40:36
ÈÉ»ê±í¢
352:ftHgÌŒ³µ³ñ
10/04/06 07:22:33
RsRàãüZqàÖ~µÄfB[vRs[Æ©³C̹¿¶áÈ¢Œw
Æ¢€©AèûÌÀÉ˶µÈ¢œßÌRsRâãüZq¶áȢ̩
353:ftHgÌŒ³µ³ñ
10/04/06 07:23:23
>>349
èûÌÀÉšà¢Á«è§ñ©¯Äñ¶áñ
354:ftHgÌŒ³µ³ñ
10/04/06 08:22:59
œªA{Éâ蜢±ÆÍ÷Éá€ñ¶áÈ¢ÌH
void* ÅÁÄÄ^îñªÁŠÄéñŸ¯Ç deep copy µœ¢Æ©B
ŸÁœçAtype erasure œèÅ®®êÎQlîñª é©àB
355:ftHgÌŒ³µ³ñ
10/04/07 05:32:01
WindowsÅ~bÜÅvª·éû@ð³ŠÄŸ³¢
356:ftHgÌŒ³µ³ñ
10/04/07 05:38:11
>>355
URLØÝž(www14.big.or.jp)
357:ftHgÌŒ³µ³ñ
10/04/07 13:23:05
RAIIÉÖ·é¿âÈñÅ·¯ÇAfXgN^Å\[XÌJúðsÁœê
¶Ì\[XJúªžsµœêÉáOàßèlàgŠÈ¢ÌÅG[ðÊm·éû@ª³¢æ€ÉvŠéÌÅ·ª
JúÉžsµœÉAiNüIÅÍÈ¢û@Åjœ©ðµœ¢êÍÇ€·ê΢¢ñŵ倩H
358:ftHgÌŒ³µ³ñ
10/04/07 19:30:14
>>353
C^[tF[XÁÄ»€¢€àñ¶áÈ¢ÌH
359:ftHgÌŒ³µ³ñ
10/04/07 19:34:56
>>357
\[XðúðsÁĬ÷µœ©Ç€©ðÔ·oÖðÇÁ·éB
fXgN^ÉàðúÍu¯ÇA±Á¿ÍG[ðÊmµÈ¢B
©íèÉOðf©A é¢Í»ÌêÅÊ©B
360:ftHgÌŒ³µ³ñ
10/04/08 16:29:19
clock()ðgÁÄvª·éÛAOpenMPðgÁœèµœêÅàACPUÔðß鱯ªÅ«éÌŵ倩H
361:ftHgÌŒ³µ³ñ
10/04/08 16:44:57
Í¢B
362:ftHgÌŒ³µ³ñ
10/04/08 18:44:46
clockÁÄÀÔ¶áÈ©ÁœÌHH
363:ftHgÌŒ³µ³ñ
10/04/08 19:04:04
>>362
ÈÆàAPOSIXÌclock()ÍvZbTÔŸæB
364:ftHgÌŒ³µ³ñ
10/04/09 11:16:13
\
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vWFNgP1ÌÉLobbyForm.hÆ¢€wb_[t@Cª èAvWFNgP2àÌmymain.cppÌÅLobbyForm.hðCN[hµÄ¢Ü·B
Rmymain.cppÌ2sÚÉ#include "LobbyForm.h"ÆLڵĢܷB
±êÅVisualC++2008EEÉÄ\
[VÌrhð©¯éÆÈºÌG[ªoÜ·B
G[ 2 fatal error C1083: include t@CðJ¯Ü¹ñB'LobbyForm.h': No such file or directory c:\users\********\documents\Û¶p\projects\lobbyformmain\lobbyformmain\mymain.cpp 2
LobbyForm.iCN[h·éwb_[t@CjÌê
C:\Users\********\Documents\Û¶p\projects\LobbyFormLib
mymain.cppiCN[hÌéŸêjÌê
C:\Users\********\Documents\Û¶p\projects\LobbyFormMain\LobbyFormMain
Ç̪ðŒ¹ÎrhÂ\ÉÈèܷŵ倩H³ŠÄŸ³¢B
365:ftHgÌŒ³µ³ñ
10/04/09 11:17:30
pXÆš¹
366:ftHgÌŒ³µ³ñ
10/04/09 11:26:15
>>365
ūܵœA èªÆ€²Ž¢Ü·I
367:ftHgÌŒ³µ³ñ
10/04/09 14:32:04
|[gÔÌwell-known portÆ¢€ÌÍȺ¶Ý·éÌŵ倩H
65536íÞà|[gÔª éÈçÎAÅ©çvO²ÆÉooÌÔðwèµÄš¯Îæ¢æ€ÈCªµÜ·B
HTTPÍ80ÈÇÆWðì鱯ɿébgÆÍÈñŵ倩H
368:ftHgÌŒ³µ³ñ
10/04/09 14:48:37
>>367
áŠÎ
IE Í 80
FireFox Í 81
Netscape Í 82
Lynx Í 83
Opera Í 84
Ýœ¢ÉµœÙ€ª¢¢ÁÄvÁÄéÌH
369:ftHgÌŒ³µ³ñ
10/04/09 14:52:29
ISPÉæÁÄÍwell-known portÈOÌpPbgÍ|[gA^bNÆ
©ÈµÄʳȢª é©çŸæ
NNTPÍ119ŸÁ¯
370:ftHgÌŒ³µ³ñ
10/04/09 16:16:25
>>368
¢¢Æ¢€©AåÊÉÔª éÅíŽíŽobeBO·éæ€È±ÆðµÈÄàÆvÁÄܵœB
>>369
»€¢Áœçè(H)ÌRª éÌÅ·ËA×ÉÈèܵœA èªÆ€²Ž¢Ü·B
371:ftHgÌŒ³µ³ñ
10/04/09 17:46:09
|[gÔÁÄÌÍdgÌügÝœ¢ÈàñÅÈc
\ßÇêðg€Ì©í©ÁÄȯêÎÊMð¬è§œ¹éàoÈ¢Ÿë€ª
372:ftHgÌŒ³µ³ñ
10/04/09 18:07:15
൩µÄT[o[€ÆNCAg€ÌæÊªt¢ÄÈ¢ñ¶áÈ¢
373:ftHgÌŒ³µ³ñ
10/04/09 20:11:37
double^Ìlð0.0©ç1.0ÌÍÍÅÀS«ðmÛµœãÅū韯¬³¢ÅCNgµœ¢ÆlŠÄ¢Ü·B
double d = 0.0;
for (...);
{
@d += DBL_EPSILON;
}
Ýœ¢ÈR[hÍ»êðÛØµÄêéÌŵ倩H
ZÌë·»èɵ©gŠÈ¢Ìŵ倩H
374:ftHgÌŒ³µ³ñ
10/04/09 20:24:39
>>373
ÔuÅCNgÆ¢€±ÆŸæËH
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375:ftHgÌŒ³µ³ñ
10/04/09 20:34:50
>>374
52bitöxŸ©ç»ñÈÉžxÍȢ͞
376:ftHgÌŒ³µ³ñ
10/04/09 20:44:07
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377:ftHgÌŒ³µ³ñ
10/04/09 20:45:40
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378:ftHgÌŒ³µ³ñ
10/04/09 20:53:35
Åà¡ÌOSÍÈPÉ[vð~ßêÄ¢¢í
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379:375
10/04/09 20:56:59
>>375
ššA4500©B
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380:ftHgÌŒ³µ³ñ
10/04/09 20:57:19
374ËB
381:ftHgÌŒ³µ³ñ
10/04/09 21:17:14
>>374
[0.0 - 1.0]
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d + DBL_EPSILON > d
ðœ¹Î¢¢Æ¢€±ÆÅ·B
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10/04/09 21:26:27
> d + DBL_EPSILON > d
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383:ftHgÌŒ³µ³ñ
10/04/09 21:30:26
»ÌžxÍ{ÉKvÈ̩ܞlŠé
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384:ftHgÌŒ³µ³ñ
10/04/09 21:50:05
>>382
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385:ftHgÌŒ³µ³ñ
10/04/09 22:14:58
DBL_EPSILONÌžxª0ßÅÍ ÁÄà1ßÅà é©Ç€©ªâèŸÈB
386:ftHgÌŒ³µ³ñ
10/04/09 22:21:41
>>385
è`Í
1.0+DBL_EPSILON > 1.0
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387:ftHgÌŒ³µ³ñ
10/04/09 22:38:03
±ÌöxªÀEŸÈ 1.0ɵœç¢ÂIíé©í©çñ
struct foo {
__int64 start, end, freq;
HANDLE hprocess;
DWORD oldclass;
foo() : hprocess(GetCurrentProcess()), oldclass(GetPriorityClass(hprocess)) {
Sleep(10);
// SetPriorityClass(hprocess, REALTIME_PRIORITY_CLASS);
QueryPerformanceFrequency((LARGE_INTEGER*)&freq);
QueryPerformanceCounter((LARGE_INTEGER*)&start);
}
~foo() {
QueryPerformanceCounter((LARGE_INTEGER*)&end);
// SetPriorityClass(hprocess, oldclass);
std::cout << (int)(end - start) << std::endl;
}
};
int main()
{
{
std::cout << "test1 : ";
foo f;
double d = 0.0;
while (true) {
d += std::numeric_limits<double>::epsilon();
if (d > 1e-7)
break;
}
}
}
388:ftHgÌŒ³µ³ñ
10/04/10 00:40:59
C++gÁœAvÝv\ÍÁÄDZÅgɯéñŸ
389:ftHgÌŒ³µ³ñ
10/04/10 00:42:51
>>388 `[JÌ»êÅB
390:ftHgÌŒ³µ³ñ
10/04/10 10:24:51
VC++ÈñÅ·ªA©®ÅCfgðÝè³¹éû@ÍDZÅÝè·êÎæ¢Ìŵ倩
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10/04/10 13:53:28
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392:ftHgÌŒ³µ³ñ
10/04/10 14:01:12
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@@@@@@@@Text = 123
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End Class
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10/04/10 14:21:27
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10/04/10 14:28:30
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395:ftHgÌŒ³µ³ñ
10/04/10 14:30:37
>>393
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396:ftHgÌŒ³µ³ñ
10/04/10 19:12:42
>>395
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397:ftHgÌŒ³µ³ñ
10/04/10 21:57:01
>>396
ŽªvÁÄàŸíÈ©Áœ±ÆðEEE
398:ftHgÌŒ³µ³ñ
10/04/10 22:47:07
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10/04/10 22:54:05
VËnbJ[üÆ·¢Ä
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10/04/10 22:57:47
VËnbJ[ÁÄ
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10/04/11 10:25:37
ȺÌ\[XªclÅÍÊéÌÅ·ªAbcc32 (ver5.5.1)ÅÍÊèܹñB
Žöª©élª¢œç³ŠÄº³¢B
#include <cstdio>
#include <windows.h>
int main()
{
return 0;
}
402:ftHgÌŒ³µ³ñ
10/04/11 11:14:41
G[bZ[Wà\êÈ¢ÌH
403:401
10/04/11 11:20:36
>>402
G[bZ[WÅ·B
URLØÝž(kansai2channeler.hp.infoseek.co.jp)
404:ftHgÌŒ³µ³ñ
10/04/11 11:46:47
>>401
#include <windows.h>
#include <cstdio>
int main()
{
return 0;
}
405:ftHgÌŒ³µ³ñ
10/04/11 11:50:17
>>403
»êBCC5.5.1ªÃ·¬ÄCN[hÌOãÖWÅ
G[ªoĵ܀zŸË
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mçêÄ¢éæ
406:401
10/04/11 11:57:12
>>404, 405
RpCÊèܵœB èªÆ€²Ž¢Ü·B
CN[hÌOãÖWÅG[ÉÈéñÅ·ËB
407:ftHgÌŒ³µ³ñ
10/04/11 13:07:33
>>405
±êÍÐÇ¢ÈBCC
408:ftHgÌŒ³µ³ñ
10/04/11 13:11:59
¡BCCÍEmbarcadero CC 6.2.1ÉÈÁÄoOÍÙÆñÇæêA
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409:ftHgÌŒ³µ³ñ
10/04/11 13:46:00
>>408
> ¡BCCÍEmbarcadero CC 6.2.1ÉÈÁÄoOÍÙÆñÇæêA
> BoostÉàªIÉÅÍ èÜ·ªÎµÄÜ·
ECC6.2.1Æ©³ÅgŠÈ¢ñŸæËH
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410:ftHgÌŒ³µ³ñ
10/04/11 13:47:22
VC9Áij¿ÅÍÅK»ÏñÅÈËH
411:ftHgÌŒ³µ³ñ
10/04/11 14:12:26
>>410
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412:ftHgÌŒ³µ³ñ
10/04/11 14:29:16
>>410
êÌÈñÅ»€vÁœñŸ
413:ftHgÌŒ³µ³ñ
10/04/11 15:02:25
ÅAüÍâ®Ì[ÀµœGfB^ÍÈ¢ñÅ·©H
414:ftHgÌŒ³µ³ñ
10/04/11 15:37:37
emacsÅabbrevÅàµÄê΢¢æ
415:ftHgÌŒ³µ³ñ
10/04/11 19:36:14
èÉüÍ⮳ê鯀ÁÆšµ¢ñÅA
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416:ftHgÌŒ³µ³ñ
10/04/12 13:36:17
C++Å3DANVQ[ðìë€Æv€ÌÅ·ªA
Directx+Cu
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417:ftHgÌŒ³µ³ñ
10/04/12 13:44:20
>>416
»ÌODEÁÄmçÈ¢¯ÇATCgÌàŸ©œÀèÅŸŠÎA
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418:ftHgÌŒ³µ³ñ
10/04/12 13:57:01
>>417
èªÆ€²Ž¢Ü·
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directxðŒÅ¢ÄÝÜ·
419:ftHgÌŒ³µ³ñ
10/04/12 14:10:55
Â[©A3DQ[ÉKvÈwÌf{Í éÌ©ÆB
420:ftHgÌŒ³µ³ñ
10/04/12 15:14:53
SȢŷIìèȪçšÚŠÜ·
421:ftHgÌŒ³µ³ñ
10/04/12 15:47:42
éÖªè`³êÄ¢é©Ç€©ðméû@ð³ŠÄ
422:ftHgÌŒ³µ³ñ
10/04/12 15:53:36
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423:ftHgÌŒ³µ³ñ
10/04/12 17:12:21
>>422
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424:ftHgÌŒ³µ³ñ
10/04/12 17:16:35
ØÝžÉ@¯êŒÝÎÞÙ@ª¶ÝµœAŽ×°ÈOÅÎÅ«é«à éæ
i.lib Æ .obj ɯ¶ŒÝÎÞÙ š .obj€DæÅØÝžF@MSÌØÝ¶j
425:ftHgÌŒ³µ³ñ
10/04/12 17:23:23
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426:ftHgÌŒ³µ³ñ
10/04/12 21:22:32
»ÌtÅA©ªÅà¯ÇŒÌR[hÅã«Â\AÈçweak®«Æ¢€èà é¯ÇÈ
427:ftHgÌŒ³µ³ñ
10/04/13 00:58:26
iostreamÌcin, coutðoCi[hÉ·énñ˶Èû@Í èÜ·©H
428:ftHgÌŒ³µ³ñ
10/04/13 06:51:05
ios::binary
Æ
noskipws
¶á_ÈñH
429:ftHgÌŒ³µ³ñ
10/04/13 11:13:13
>>428
ios::binaryÍÇ€âÁÄÝè·éñŵ倩H
noskipwsÈÇÍsetf()ÅÝèÅ«é¯ÇAios::binaryÍ®tOÅÍȢŷæËB
430:ftHgÌŒ³µ³ñ
10/04/13 15:25:31
>>426
weak©BgŠ»€©àB
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