Block Busting

www.vim.org에 가면 많은 정보들이 있는데 그중에서 재밌는것들이 보이면이곳에 정리하려고 함. VIM의 다중파일 열기 기능 (한번에 여러개 파일 열기)사용법은 아래와 같다. 옵션이 3가지가 있다. (-o, -O 옵션뒤에 숫자는 파일 개수)-o3 옵션 : 파일 3개를 수평분할로 보여줌-O3 옵션 : 파일 3개를 수직분할로 보여줌-p 옵션 : vim 윈도우모드로 보여줌 $ vim -o3 f1.txt f2.txt f3.txt

IT/기타 2013. 6. 20. 11:58

www.vim.org에 가면 많은 정보들이 있는데 그중에서 재밌는것들이 보이면이곳에 정리하려고 함. VIM의 DIFF 기능 (창이 분할되서 보이는데 편함)사용법은 아래처럼 단순하다. (둘중에 아무거나 편한걸 사용하면 됨) vimdiff file1 file2 [file3 [file4]] vim -d file1 file2 [file3 [file4]] 예를들어서 vim -d main.c main1.c main2.c 명령을 수행하면 아래같이 나옴.

IT/기타 2013. 6. 20. 11:44

파일의 크기를 구하기 위해서 stat 함수를 이용해서 구현이 가능 --- #include #include #include #include #include "sys/stat.h" static size_t get_file_size (const char * file_name) { struct stat sb; if (stat (file_name, & sb) != 0) { fprintf (stderr, "'stat' failed for '%s': %s.\n", file_name, strerror (errno)); exit (EXIT_FAILURE); } return sb.st_size; } int main (int argc, char ** argv) { int i; const char * file_name; si..

IT/C 2013. 6. 18. 15:16

2.1 Timer ServiceThe Timer Service provides a mechanism by which client processes get notifiedwhen a timer expires. A timer is a logical object that is dynamically created and representseither absolute time or a duration.The Timer Service provides two types of timers: single event timers and periodic timers.Single event timers will expire once and are deleted after notification. Periodictimers w..

IT/기타 2013. 6. 12. 10:52

2.1 Naming ServiceThe Naming Service provides a mechanism by which human-friendly names areassociated with (‘bound to’) objects so that these objects can be looked up given their names. The objects typically represent service access points, communication endpointsand other resources that provide some sort of service.The Naming Service imposes neither a specific layout nor a convention on either ..

IT/기타 2013. 6. 12. 10:43

2.1 Lock ServiceThe Lock Service is a distributed lock service, which is intended for use in a cluster where processes in different nodes1 might compete with each other for access to a shared resource.The Lock Service provides entities called lock resources, which application processes use to coordinate access to shared resources.The Lock Service provides a simple lock model supporting two locki..

IT/기타 2013. 6. 12. 10:39

2.1 Checkpoint ServiceThe Checkpoint Service provides a facility for processes to record checkpoint dataincrementally, which can be used to protect an application against failures. When recovering from fail-over or switch-over situations, the checkpoint data can be retrieved, and execution can be resumed from the state recorded before the failure.Checkpoints are cluster-wide entities that are de..

IT/기타 2013. 6. 12. 09:43

2.1 Event ServiceThe Event Service is a publish/subscribe multipoint-to-multipoint communicationmechanism that is based on the concept of event channels. One or more publisherscommunicate asynchronously with one or more subscribers by means of events overa cluster-wide entity named event channel.Events consist of a standard header and zero or more bytes of publisher event data.Multiple publisher..

IT/기타 2013. 6. 11. 16:34