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解决xrdp登陆不上的问题：xrdp session: Login failed for display 0 - 操...
...如下：原因及解决方法：1、网上大部分内容说是用户名密码不对导致，的确密码不对会报这个错误，但是有些时候当你确认用户名密码无误的后，仍然登不上报这个错误。 Xrdp登陆不上报错如下：
原因及解决方法：
1、网...
解决xrdp登陆不上的问题：xrdp session: Login failed for display 0 - 操...
...如下：原因及解决方法：1、网上大部分内容说是用户名密码不对导致，的确密码不对会报这个错误，但是有些时候当你确认用户名密码无误的后，仍然登不上报这个错误。 Xrdp登陆不上报错如下：
原因及解决方法：
1、网...
Is there a way to pass the DB user password into the command line tool mysqladmin?
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Just found out the answer....
mysqladmin processlist -u root -pYOURPASSWORDHERE
No space between your password and the -p
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How to get sp_executesql result into a variable?
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DECLARE @ParmDefinition nvarchar(500);
DECLARE @tablename nvarchar(50)
SELECT @tablename = N'products'
SELECT @sSQL = N'SELECT @retvalOUT = MAX(ID) FROM ' + @tablename;
SET @ParmDefinition = N'@retvalOUT int OUTPUT';
EXEC sp_executesql @sSQL, @ParmDefinition, @retvalOUT=@retval OUTPUT;
SE...
Can you have if-then-else logic in SQL? [duplicate]
I need to do select data from a table based on some kind of priority like so:
7 Answers
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How to get the insert ID in JDBC?
...or Oracle, you can invoke a CallableStatement with a RETURNING clause or a SELECT CURRVAL(sequencename) (or whatever DB-specific syntax to do so) directly after the INSERT in the same transaction to obtain the last generated key. See also this answer.
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Most Pythonic way to provide global configuration variables in config.py? [closed]
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How about just using the built-in types like this:
config = {
"mysql": {
"user": "root",
"pass": "secret",
"tables": {
"users": "tb_users"
}
# etc
}
}
You'd access the values as follows:
config["mysql"]["tables"]["users"]
If ...
How to report an error from a SQL Server user-defined function
... For an inline-table-valued-function where the RETURN is a simple select, this alone doesn't work because nothing is returned - not even null, and in my case I wanted to throw an error when nothing was found. I didn't want to break down the inline function into a multi-statment one for obv...
When would anyone use a union? Is it a remnant from the C-only days?
I have learned but don't really get unions. Every C or C++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming ...
Difference between a Structure and a Union
Is there any good example to give the difference between a struct and a union ?
Basically I know that struct uses all the memory of its member and union uses the largest members memory space. Is there any other OS level difference?
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