大约有 40,000 项符合查询结果(耗时:0.0706秒) [XML]
What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?
...umn in MyTable that gets mapped to a property name.
See http://blogs.msdn.com/vbteam/archive/2008/01/08/converting-sql-to-linq-part-7-union-top-subqueries-bill-horst.aspx for more detail.
share
|
i...
Version of SQLite used in Android?
...e3 --version
UPDATE: Since SDK 29 (emulator revision 8), the adb shell command gives:
/system/bin/sh: sqlite3: inaccessible or not found
Any ideas why? Issue tracker here.
SQLite 3.28.0 (window functions!):
30-11.0-R (Revision 7 in SDK Manager)
SQLite 3.22.0:
29-10.0-Q (Revision 8 in SDK Man...
What is the difference between a schema and a table and a database?
...ables.
– Jon Skeet
Nov 18 '08 at 14:01
1
@Ian: don't forget that a database will also have constr...
PostgreSQL: Difference between text and varchar (character varying)
...l varlena (variable length array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and c...
How to draw polygons on an HTML5 canvas?
...
from http://www.scienceprimer.com/drawing-regular-polygons-javascript-canvas:
The following code will draw a hexagon. Change the number of sides to create different regular polygons.
var ctx = document.getElementById('hexagon').get...
How can I detect if a browser is blocking a popup?
... exception list.");
}
};
Usage:
var popup = window.open("http://www.google.ca", '_blank');
popupBlockerChecker.check(popup);
Hope this helps! :)
share
|
improve this answer
|
...
Embedding ads on Android app?
...pic: https://stackoverflow.com/questions/5514945/mopub-for-android
http://www.mopub.com
share
|
improve this answer
|
follow
|
...
Is there a Boolean data type in Microsoft SQL Server like there is in MySQL? [duplicate]
... on three valued logic-
Example of three valued logic in SQL Server
http://www.firstsql.com/idefend3.htm
https://www.simple-talk.com/sql/learn-sql-server/sql-and-the-snare-of-three-valued-logic/
share
|
...
When should the xlsm or xlsb formats be used?
...l similar in that they're essentially zip files containing the actual file components. You can see the contents just by replacing the extension with .zip and opening them up. The difference with xlsb seems to be that the components are not XML-based but are in a binary format: supposedly this is b...
What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do
...
From the community documentation:
hibernate.hbm2ddl.auto Automatically validates or exports schema DDL to the database when the SessionFactory is created. With create-drop, the database schema will be dropped when the SessionFacto...
