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Default database named postgres on Postgresql server

Apparently there is a database \"postgres\" that is created by default on each postgresql server in开发者_运维知识库stallation. Can anyone tell me or point me to documentation what it is used for?When[详细]

2022-12-21 23:23 分类：问答
寒雨是什么季节的雨（哪个季节会有寒雨）？

大家好，伊人来为大家解答以上问题。寒雨是什么季节的雨，哪个季节会有寒雨很多人还不知道，现开发者_如何学C在让我们一起来看看吧！[详细]

2022-12-21 23:15 分类：问答
What is significance/use of doing void(param); at the start of function?

I was just going thro\' source code of Yahoo\'s Trafic Server It is written in C++. In almost all methods (from one of modules),[详细]

2022-12-21 22:53 分类：问答
巅峰战舰兑换码在哪？

360U3085669477 2022-05-17 15:09 一、进入游戏后，点击右上方的活动按钮，进入活动页面二、在活动列表中找到，礼包兑换一栏（如下图），之后输入你的兑换码，点击兑换开发者_JAVA技巧即可获得礼包奖励咯！[详细]

2022-12-20 13:07 分类：问答
2022四川各高校寒假时间公布哪天开始放假？

快到年底了，所有的大学生都想知道寒假什么时候开始。现在我整理了四川部分高校寒假时间开发者_JAVA技巧的相关内容，大家看看吧。[详细]

2022-12-20 08:59 分类：问答
怎么没人八啊，南派三叔出轨，还是谨慎分裂，有知道内幕的筒子来八一下吗？

alyhome 开发者_高级运维 2022-05-19 14:39 他已经得病了，所以精神上已经不正常。[详细]

2022-12-20 03:01 分类：问答
how to capture mouse cursor in screen grab?

I\'m using OpenGL to grab 开发者_如何学JAVAthe contents of the Mac OSX screen - thsi works very well, except it does not grab the mouse cursor graphic. I need to somewhow get that cursor graphic, eith[详细]

2022-12-20 02:36 分类：问答
Getting snapshot produces always same value

I have this piece of code: byte[] snap = ((VideoControl) player).getSnapshot(\"e开发者_运维技巧ncoding=jpeg\");[详细]

2022-12-20 01:39 分类：问答
How to get unique set of rows from SQL where uniqueness is defined by 2 columns?

If I have a table开发者_运维百科 as follows: ID | Name | Category | Parent | URL | LastModified[详细]

2022-12-20 01:31 分类：问答
Checking if a folder exists (and creating folders) in Qt, C++

In Qt, how do I check if a given folder exists in the current directory? If开发者_高级运维 it doesn\'t exist, how do I then create an empty folder?To check if a directory named \"Folder\" exists use:[详细]

2022-12-19 16:49 分类：问答