大约有 40,000 项符合查询结果(耗时:0.0460秒) [XML]
Setting the default value of a DateTime Property to DateTime.Now inside the System.ComponentModel De
...lue). The issue for me was when I wanted to add a record directly into the table(using SQL) I had to provide the date(or leave it NULL). This is a much better solution. Thanks.
– Storm Muller
Sep 12 '18 at 18:32
...
Bootstrap table striped: How do I change the stripe background colour?
With Bootstrap class table-striped , every other row in my table has a background colour equal to #F9F9F9 . How can I change this colour?
...
Why does Vim save files with a ~ extension?
...
There is a table describing different behavior between combination of those switches: help backup-table. It turns out setting neither nobackup nor nowritebackup, but instead setting backupcopy=yes also solves the "jumping" problem. Thi...
Flask-SQLAlchemy import/context issue
... id = db.Column(db.Integer, primary_key=True)
...
# Create the database tables.
db.create_all()
...
# start the flask loop
app.run()
I just splitted one app.py to app.py and model.py without using Blueprint. In that case, the above answer dosen't work. A line code is needed to work.
before:
...
How do I get list of all tables in a database using TSQL?
What is the best way to get the names of all of the tables in a specific database on SQL Server?
17 Answers
...
How can I make Bootstrap columns all the same height?
...margin-bottom: -99999px;
padding-bottom: 99999px;
}
Solution 2 using table
Demo
.row {
display: table;
}
[class*="col-"] {
float: none;
display: table-cell;
vertical-align: top;
}
Solution 3 using flex added August 2015. Comments posted before this don't apply to this sol...
How to store a list in a column of a database table
...hrdad's answer to a related question , I get it that a "proper" database table column doesn't store a list. Rather, you should create another table that effectively holds the elements of said list and then link to it directly or through a junction table. However, the type of list I want to creat...
Calculate a Running Total in SQL Server
Imagine the following table (called TestTable ):
15 Answers
15
...
How to put spacing between TBODY elements
I have a table like this:
12 Answers
12
...
conditional unique constraint
...unt > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS INT AS BEGIN
DECLARE @ret INT;
SELECT @ret = COUNT(*) FROM CheckConstraint WHER...
