大约有 47,000 项符合查询结果（耗时：0.0441秒） [XML]
Run all SQL files in a directory
...o and make sure SQLCMD Mode is enabled
Click on SQLCMD Mode; files will be selected in grey as below
:r c:\Scripts\script1.sql
:r c:\Scripts\script2.sql
:r c:\Scripts\script3.sql
Now execute
share
|
...
How to find a hash key containing a matching value
...
You could use Enumerable#select:
clients.select{|key, hash| hash["client_id"] == "2180" }
#=> [["orange", {"client_id"=>"2180"}]]
Note that the result will be an array of all the matching values, where each is an array of the key and value.
...
c# datatable to csv
...s = dt.Columns.Cast<DataColumn>().
Select(column => column.ColumnName).
ToArray();
sb.AppendLine(string.Join(",", columnNames));
foreach (DataRow row in dt.Rows)
{
string[] fields = row.ItemArray.Select(field => fie...
SQL Server: Get data for only the past year
...
The following adds -1 years to the current date:
SELECT ... From ... WHERE date > DATEADD(year,-1,GETDATE())
share
|
improve this answer
|
follo...
How to perform Single click checkbox selection in WPF DataGrid?
...ck the check box. It should get checked.
But, it takes two click to get selected, for first click the cell is getting selected, for the second clicks the check box is getting checked. How to make the check box to get checked/unchecked with a single click.
...
How to 'insert if not exists' in MySQL?
...
Solution:
INSERT INTO `table` (`value1`, `value2`)
SELECT 'stuff for value1', 'stuff for value2' FROM DUAL
WHERE NOT EXISTS (SELECT * FROM `table`
WHERE `value1`='stuff for value1' AND `value2`='stuff for value2' LIMIT 1)
Explanation:
The innermost query
SELECT *...
Install MySQL on Ubuntu without a password prompt
...
sudo debconf-set-selections <<< 'mysql-server mysql-server/root_password password your_password'
sudo debconf-set-selections <<< 'mysql-server mysql-server/root_password_again password your_password'
sudo apt-get -y install ...
Renaming projects in Xcode 4
...matically change all project-name-related entries and will allow you to de-select some of them if you want.
Nice.
share
|
improve this answer
|
follow
|
...
CSS Child vs Descendant selectors
I am a bit confused between these 2 selectors.
8 Answers
8
...
how to fire event on file select
...d the same file again? This code will only execute once, the second time, selecting the same file will not execute a change event
– Christopher Thomas
Mar 13 '14 at 15:11
6
...