大约有 16,380 项符合查询结果(耗时:0.0249秒) [XML]
View's SELECT contains a subquery in the FROM clause
...
As per documentation:
MySQL Docs
The SELECT statement cannot contain a subquery in the FROM clause.
Your workaround would be to create a view for each of your subqueries.
Then access those views from within your view view_credit_...
Git: Ignore tracked files
I have some tracked files in a repository which are automatically modified when building the code. I don't want to untrack them, I just don't want them to appear as modified and I don't want them to be staged when I git add.
...
RuntimeWarning: invalid value encountered in divide
I have to make a program using Euler's method for the "ball in a spring" model
4 Answers
...
How do I undo “Scope to this” in Visual Studio 2012?
...isplay only a part of the solution. Now I can't find how to get back to normal view.
2 Answers
...
How can I recover a lost commit in Git?
First, got "your branch is ahead of origin/master by 3 commits" then my app has reverted to an earlier time with earlier changes.
...
What is the difference between a WCF Service Application and a WCF Service Library?
I am developing a WCF web service and I used the WCF Service Application template to do that.
2 Answers
...
How do I create a new branch?
How do I create a new branch with my working copy using TortoiseSVN?
4 Answers
4
...
SQL Server 2008: how do I grant privileges to a username?
...
If you want to give your user all read permissions, you could use:
EXEC sp_addrolemember N'db_datareader', N'your-user-name'
That adds the default db_datareader role (read permission on all tables) to that user.
There's also a db_datawriter role - which gives you...
How to retrieve inserted id after inserting row in SQLite using Python?
...astrowid (see "Optional DB API Extensions"):
connection=sqlite3.connect(':memory:')
cursor=connection.cursor()
cursor.execute('''CREATE TABLE foo (id integer primary key autoincrement ,
username varchar(50),
password varchar(50...
switch() statement usage
I am a little confused about the switch statement in R.
Simply googling the function I get an example as follows:
2 Answer...