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Truncating all tables in a Postgres database

...e IN VARCHAR) RETURNS void AS $$ DECLARE statements CURSOR FOR SELECT tablename FROM pg_tables WHERE tableowner = username AND schemaname = 'public'; BEGIN FOR stmt IN statements LOOP EXECUTE 'TRUNCATE TABLE ' || quote_ident(stmt.tablename) || ' CASCADE;'; END LOO...
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Choose File Dialog [closed]

... String[] fileList; private File currentPath; public interface FileSelectedListener { void fileSelected(File file); } public interface DirectorySelectedListener { void directorySelected(File directory); } private ListenerList<FileSelectedListener> fileLi...
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Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障 - 数据库(内核) - ...

...AC_Deployment_Guide.pdf 最佳配置文档第17页 In the device list, select SCSI controller 1 In the SCSI Bus Sharing section, select None,keep the default selection. In the SCSI Controller Type section, click Change Type. Select VMware Paravirtual. Click OK, and click OK again. Add confi...
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SQL中使用update inner join和delete inner join;Oracle delete join替代...

... 下面是Oracle的: Sql代码 DELETE TABLE1 where KHID exists ( select KHID from table2 where FWDWID=8) Sql代码 DELETE TABLE1 where exists ( select 1 from table2 where and table1.khid=table2.khid and FWDWID=8); Oracle的delete与join如何使用 delete from A where sid i...
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Table name as variable

...mpare data between the same tables of different databases: static query: SELECT * FROM [DB_ONE].[dbo].[ACTY] EXCEPT SELECT * FROM [DB_TWO].[dbo].[ACTY] since I want easily change tha name of table and schema I have created this dynamic query: declare @schema varchar(50) declare @table varchar(5...
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Get Selected index of UITableView

I want to have selected index for UITableView . I have written following code: 5 Answers ...
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How to atomically delete keys matching a pattern using Redis

...helped me out. Another variant if your redis keys contain quotes or other characters that mess up xargs: redis-cli KEYS "prefix:*" | xargs --delim='\n' redis-cli DEL – overthink Sep 16 '11 at 13:31 ...
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What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields

... Not all form elements have a readonly attribute. Most notable, the <SELECT> , <OPTION> , and <BUTTON> elements do not have readonly attributes (although they both have disabled attributes) Browsers provide no default overridden visual feedback that the form element is read ...
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Determine a string's encoding in C#

...igh probability) unicode files with the BOM/signature missing Searches for charset=xyz and encoding=xyz inside file to help determine encoding. To save processing, you can 'taste' the file (definable number of bytes). The encoding and decoded text file is returned. Purely byte-based solution for eff...
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Select 50 items from list at random to write to file

... leaving the original population unchanged. The resulting list is in selection order so that all sub-slices will also be valid random samples. This allows raffle winners (the sample) to be partitioned into grand prize and second place winners (the subslices). Members of the popul...