码迷,mamicode.com
首页 >  
搜索关键字:block    ( 15730个结果
Geolocation API JavaScript访问用户的当前位置信息
Geolocation API在浏览器中的实现是navigator.geolocation对象,常用的有以下方法。 1、第一个方法是getCurrentPosition() 调用这个方法就会触发请求用户共享地理定位信息的对话框。比如在火狐中的对话框: 这个方法接收3个参数:成功回调函数、可选的失败回 ...
分类:编程语言   时间:2016-12-26 12:06:52    阅读次数:257
Determining Current Block and Current Item in Oracle Forms
SYSTEM.CURSOR_BLOCK Determining current block in Oracle Forms Using SYSTEM.CURSOR_BLOCK system variable. The value that the SYSTEM.CURSOR_BLOCK system... ...
分类:数据库   时间:2016-12-26 00:22:33    阅读次数:258
Moving From Top To Bottom in Detailed Block in Oracle Forms
Suppose you want to scan a tabular grid block (loop through all records in detail block) from top to bottom in Oracle forms. You can do this task by u... ...
分类:数据库   时间:2016-12-26 00:03:10    阅读次数:279
FileInputStream、FileReader、FileInputStream、FileWriter使用小结
本文是基于Linux环境运行,读者阅读前需要具备一定Linux知识 InputStream包含如下三个方法: int read():从输入流中读取单个字节,返回所读取的字节数据(字节数据可直接转化为int类型) int read(byte[] b):从输入流中最多读取b.length个字节的数据,并 ...
分类:其他好文   时间:2016-12-25 23:19:46    阅读次数:250
ppmoney 总结二
1. return false ES6函数的扩展:箭头函数 数组 arr.map() arr.filter() <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <b ...
分类:其他好文   时间:2016-12-25 23:10:26    阅读次数:168
Using Post_Query Trigger in Oracle Forms
When a query is open in the block, the Post-Query trigger fires each time Form Builder fetches a record into a block. The trigger fires once for each ... ...
分类:数据库   时间:2016-12-25 21:02:28    阅读次数:440
Writing Text File From A Tabular Block In Oracle Forms
The example given below for writing text file or CSV using Text_IO package from a tabular block in Oracle Forms. Suppose there is a tabular grid data ... ...
分类:数据库   时间:2016-12-25 21:00:01    阅读次数:233
Pre-Update and Pre-Insert Trigger Examples For Oracle Forms
See also: Why And When To Use Pre-Update and Pre-Insert Triggers In Oracle FormsPre-Update Fires during the Post and Commit Transactions process, befo... ...
分类:数据库   时间:2016-12-25 20:48:12    阅读次数:354
Populating Display Item Value On Query In Oracle Forms
Write Post-Query trigger for the block you want to fetch the field value for display item.ExampleBegin Select Ename into :datablock.dspname from emp w... ...
分类:数据库   时间:2016-12-25 20:44:02    阅读次数:217
[Hadoop]大量小文件问题及解决方案
1. HDFS上的小文件问题小文件是指文件大小明显小于HDFS上块(block)大小(默认64MB)的文件。如果存储小文件,必定会有大量这样的小文件,否则你也不会使用Hadoop(If you’re ...
分类:其他好文   时间:2016-12-25 18:50:30    阅读次数:924
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!