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django test app error - Got an error creating the test database: permission denied to create databas
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Though the OP used postgresql, if you are using mysql you will have the same error. You can fix it for mysql with: => GRANT ALL ON *.* TO django@localhost; I originally tried to only GRANT CREATE... but then could not SELECT or DROP the created d...
How to list active / open connections in Oracle?
...lect * from FROM v$session Error at Command Line:1 Column:14 Error report: SQL Error: ORA-00903: invalid table name 00903. 00000 - "invalid table name" *Cause: *Action:
– pistacchio
Jun 25 '09 at 10:22
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Add unique constraint to combination of two columns
...can often be better to check for this violation first, before just letting SQL Server try to insert the row and returning an exception (exceptions are expensive).
http://www.sqlperformance.com/2012/08/t-sql-queries/error-handling
http://www.mssqltips.com/sqlservertip/2632/checking-for-potential-co...
MySQL: How to copy rows, but change a few fields?
...s or something and you don't want to type them all, then you could write a SQL statement to build your SQL statement :). The way you would do it would be to use the information_schema to get the column names for the table. But that's really overkill, I'd just type out the column names.
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Is there a way to loop through a table variable in TSQL without using a cursor?
... depends on the structure and volume of your data.
Note: If you are using SQL Server you would be better served using:
WHILE EXISTS(SELECT * FROM #Temp)
Using COUNT will have to touch every single row in the table, the EXISTS only needs to touch the first one (see Josef's answer below).
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创业公司起名一个比一个有噱头 上海自嘲杭州恶搞南京最硬挣 - 创意 - 清泛...
...解他们是怎么想的。
来来来，听听九鼎投资的项目经理如何评价各地创业公司，在公司起名上究竟自带了哪些人设：上海的创业公司在自嘲道路上越走越远，杭州的创业公司已经和恶搞干上了，只有我们南京的，还在坚持硬挣(...
笑话几则 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...时候我还没睡，怎么了？”科比:“没，没什么。。。”如何收场？班主任课前都会讲笑话，大家听腻了没有笑点，班长就说班主任再讲就一定要笑。班主任垂头丧气进来，说爷爷死了。二货同桌在听歌我碰他一下，他边鼓掌边...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注IT技能提升
...tialize方法前，需要手动释放所有的全局或者静态变量。
如何手动释放呢：
设置指针指向NULL
调用Release方法，注意是要调用智能指针的Release方法，而不是内部指针的，指针指针的Release方法，会调用内部指针的Relase，然后设...
Windows应用程序异常：异常代码: 0xc0000005 - C/C++ - 清泛网 - 专注C/C++及内核技术
...生成dump文件，我们就能对其进行源码级别的调试，那么如何生成崩溃dump文件呢？
《一个宏命令，就可以程序崩溃时生成dump文件》
《BugTrap：程序崩溃快照、bug跟踪之利器》
异常 0xc0000005 dump
CreateWindow()动态创建一个EditBox - C/C++ - 清泛网 - 专注C/C++及内核技术
...中有输入后，消息框便会提示其输入的内容。
另外，如何设置输入框焦点，请参照：https://www.tsingfun.com/it/cpp/1538.htmlCreateWindow 动态创建 EditBox