大约有 41,000 项符合查询结果（耗时：0.0574秒） [XML]
PostgreSQL delete with inner join
...ctprice
WHERE m_pricelist_version_id='1000020' AND
m_product_id IN (SELECT m_product_id
FROM m_product
WHERE upc = '7094');
share
|
improve t...
How can I see the specific value of the sql_mode?
...mode. If you set it, then that query will show you the details:
mysql> SELECT @@sql_mode;
+------------+
| @@sql_mode |
+------------+
| |
+------------+
1 row in set (0.00 sec)
mysql> set sql_mode=ORACLE;
Query OK, 0 rows affected (0.00 sec)
mysql> SELECT @@sql_mode;
+-------...
The identity used to sign the executable is no longer valid
... to Preferences --> Accounts --> View Details
Press the + symbol and select iOS Development
Press the refresh button in the lower left corner (called Download all in Xcode 7)
PS:
Sometimes it may also help to delete invalid provisioning profiles: right-click -> move to trash
I saw this...
Eclipse java debugging: source not found
...issing source will continue to show "missing source".
Edit Source Lookup
Select the Edit Source Lookup... command [ Edit Source Lookup ] to open the Source Path Dialog, which allows you to make changes to the source lookup path of the selected debug target.
IMPORTANT Restart Eclipse after t...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
...machine, launch Xcode and do this:
Open the Organizer (Shift-Command-2).
Select the Devices tab.
Choose Developer Profile in the upper-left corner under LIBRARY, which may be under the heading library or under a heading called TEAMS.
Choose Export near the bottom left side of
the window. Xcode as...
What is context in _.each(list, iterator, [context])?
...e" or sooner:
_.filter(words, lt, "e");
// find all words with 3 or more chars:
_.filter(words, pluck, 2);
Even from the limited examples, you can see how powerful an "extra argument" can be for creating re-usable code. Instead of making a different callback function for each situation, you can...
Find difference between timestamps in seconds in PostgreSQL
...
Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTRACT.
share
|
improve this answer
...
The developers of this app have not set up this app properly for Facebook Login?
.../developers.facebook.com/
Click on the Apps menu on the top bar.
Select the respective app from the drop down.
The circle next to your app name is not fully green. When you hover mouse on it, you'll see a popup saying, "Not available to all users because your app is not live."
So next...
Using LINQ to concatenate strings
...
Real example from my code:
return selected.Select(query => query.Name).Aggregate((a, b) => a + ", " + b);
A query is an object that has a Name property which is a string, and I want the names of all the queries on the selected list, separated by comma...
MySQL with Node.js
....log('connected as id ' + connection.threadId);
connection.query("select * from user",function(err,rows){
connection.release();
if(!err) {
res.json(rows);
}
});
connection.on('error', function(err) {
...