You can load resource based on the url using the a combination of ActivatedRouteand Angular 2’s Http service. Since the params and Http are both streams, you can use RxJS to get the data off the param then switchMap over to an Http request using that…
From Article: RESOLVING ROUTE DATA IN ANGULAR 2 Github If you know Anuglar UI router, you must know resolve function in ui router, which you can load data before template and controller get inited. In Angular2 router, you can also use resovler. The r…
转: http://venublog.com/2007/11/07/load-data-infile-performance/ I often noticed that people complain about the LOAD DATA performance when loading the table with large number of rows of data. Even today I saw a case where the LOAD DATA on a simple 3 c…
In this tutorial we are going to learn how we can to configure an exit guard in the Angular 2 Router. We are going to learn how to use a CanDeactivate route guard to ask the user if he really wants to exist the screen, giving the user to for example…
解决方案: http://stackoverflow.com/questions/26256421/sql-load-data-infile-utf8-issue 即: load data local infile '/path/to/sqlfile' into table xxx character set utf8 fields terminated by ',' lines terminated by '\n'; into table xxx 后紧接着指定字符集 character set…
Mybatis 拦截器不做解释了,用过的基本都知道,这里用load data local主要是应对大批量数据的处理,提高性能,也支持事务回滚,且不影响其他的DML操作,当然这个操作不要涉及到当前所load的数据,其中在使用的时候一定要local , 这个命令使用是mysql规定的,否则不加则会认为是服务器本地的文件.这里主要是以流的方式来做处理,这样可以使用内存流,这样就可以避免在某些时候需要生成文件才能导入的多余操作,和IO性能消耗.也可以是应用本地的文件. 注:该做法只试用于存入数据的表,不…
新学mysql在用load data导入txt文档时发现导入的内容,select 之后是乱码,先后把表,数据库的字符集类型修改为utf8,但还是一样,最后在 http://bbs.chinaunix.net/thread-3761449-1-1.html 发现问题,导入的文档不是utf8类型的. load data local  infile 'c:\\data.txt' into table person2 character set utf8  (name,age,city,salary);…
LOAD DATA [LOW_PRIORITY | CONCURRENT] [LOCAL] INFILE 'file_name.txt' [REPLACE | IGNORE] INTO TABLE tbl_name [FIELDS [TERMINATED BY 'string'] [[OPTIONALLY] ENCLOSED BY 'char'] [ESCAPED BY 'char' ] ] [LINES [STARTING BY 'string'] [TERMINATED BY 'string…
1.load data: ***实际应用:把日志生成的xls文件load到MySQL中: mysql_cmd = "iconv -c -f utf-8 -t gbk ./data/al_ver_" + yesterday_time + ".xls -o ./data/GBK_al_ver_" + yesterday_time + ".xls " print(mysql_cmd) os.system(mysql_cmd) mysql_cmd = &…
load data local infile 'd:/1.txt' into table tcm.wm_dis_category fields terminated by';' lines terminated by'\r\n' (name,parent_id,pinyin)…