CHANGE #4 TYP:0 CLS:19 AFN:3 DBA:0x00c00090 OBJ:4294967295 SCN:0x0000.0010c5e6 SEQ:1 OP:5.4 ENC:0 RBL:0 ktucm redo: slt: 0x0018 sqn: 0x0000033a srt: 0 sta: 9 flg: 0x2 ktucf redo: uba: 0x00c007a0.009b.41 ext: 2 spc: 640 fbi: 0 一个完整的事务都有一个唯一标识,日志中...
当事务提交或者回滚时,会创建一个OP:5.4的 Change,标识事务结束: CHANGE#4 TYP:0 CLS:19 AFN:3 DBA:0x00c00090 OBJ:4294967295 SCN:0x0000.0010c5e6 SEQ:1 OP:5.4 ENC:0 RBL:0ktucmredo: slt:0x0018sqn:0x0000033asrt:0sta:9flg:0x2ktucfredo: uba:0x00c007a0.009b.41ext:2spc:640fbi:0 一个完...
168 make sure to update it in $MYSQL_SOURCE_DIR/my_io.h.169*/170#ifndef FN_REFLEN171#define FN_REFLEN 512 /* Max length of full path-name */172#endif173 174/**175 Splits server 'version' string into three numeric pieces stored...
If the size of a log file generated on the device exceeds the configured log file size, the system automatically compresses the log file into a .zip file. You can run the save logfile command to save information to a log file. (Optional) Run info-center logfile space-...
If the size of a log file generated on the device exceeds the configured log file size, the system automatically compresses the log file into a .zip file. (Optional) Run info-center logfile space-limit size The maximum disk space that can be occupied by the flas...
Most, but not quite all, of the setup dialogs are consolidated into one of two new tabbed dialogs. All the menu entries still exist, but now go to the appropriate tab and dialog. You can change to the other tabs from there, so now there are multiple ways to get at the entries. One...
The Raspberry Pi Foundation just launched the Raspberry Pi 400, the regular ARM-based SPC with 4GB memory, a bunch of external ports and wireless connectivity, but all packaged into a neat keyboard casing. First time walking away from the pure tinkering setup to a just-hook-it-up-to-a-scr...
INFO: Thechcpcommand is used to supplement the international keyboard and character set information, allowing MS-DOS to be used in other countries and with different languages. Before the chcp command can be used, thenlsfuncmust be loaded, and thecountry.sysmust be loaded into the OS configurat...
Thepostgres_columns.rbscript returns a couple columns concatenated into a single column: # Include Ruby Gem libraries.require'rubygems'require'pg'# Begin block.begin# Create a new connection resource.db = PG::connect('localhost',5432,'','','videodb','student','student')# Create a result ...
Typically, during Product Backlog Refinement, the PBIs are further broken down into smaller, more precise chunks of work; they are ordered and also estimated. It is an ongoing process. As a rule of thumb, Product Backlog refinement should not consume more than 10% of the team's capacity....