大约有 19,000 项符合查询结果（耗时：0.0420秒） [XML]
SQL DROP TABLE foreign key constraint
...this SQL (if you're on SQL Server 2005 and up):
SELECT *
FROM sys.foreign_keys
WHERE referenced_object_id = object_id('Student')
and if there are any, with this statement here, you could create SQL statements to actually drop those FK relations:
SELECT
'ALTER TABLE [' + OBJECT_SCHEMA_NAME...
Saving enum from select in Rails 4.1
...:
f.input :color, :as => :select, :collection => Wine.colors.keys.to_a
Which generated the following HTML:
<select id="wine_color" name="wine[color]">
<option value=""></option>
<option value="red">red</option>
<option value="white">white</option...
How do I properly escape quotes inside HTML attributes?
...useover='alert(123);' foo='"); ?>' /> - make sure you use it with ENT_QUOTES, this is safe: <option value='<?php echo htmlentities("' onmouseover='alert(123);' foo='", ENT_QUOTES); ?>' /> , but in addition to ENT_QUOTES you should also add ENT_SUBSTITUTE and ENT_DISALLOWED, person...
Difference between Math.Floor() and Math.Truncate()
...ound cha cha, real smooth... (go to closest side)
Let's go to work! (⌐□_□)
To the left... Math.floor
Take it back now y'all... --
Two hops this time... -=2
Everybody clap your hands ✋✋
How low can you go? Can you go down low? All the way to the floor?
if (this == "wrong")
return "i don...
Rails DB Migration - How To Drop a Table?
...ically, you can see how to drop a table using the following approach:
drop_table :table_name
share
|
improve this answer
|
follow
|
...
unix - head AND tail of file
... 10; my @buf = (); while (<>) { print if $. <= $size; push(@buf, $_); if ( @buf > $size ) { shift(@buf); } } print "------\n"; print @buf;'
share
|
improve this answer
|
...
How to play a notification sound on websites?
...bed):
let src = 'https://file-examples.com/wp-content/uploads/2017/11/file_example_MP3_700KB.mp3';
let audio = new Audio(src);
audio.play();
See more here.
share
|
improve this answer
|
...
Best way to change the background color for an NSView
...:dirtyRect];
}
In Swift:
class MyView: NSView {
override func draw(_ dirtyRect: NSRect) {
super.draw(dirtyRect)
// #1d161d
NSColor(red: 0x1d/255, green: 0x16/255, blue: 0x1d/255, alpha: 1).setFill()
dirtyRect.fill()
}
}
...
In Java, is there a way to write a string literal without having to escape quotes?
...ava compiler would simplify this upon compiling?
– ug_
Aug 17 '14 at 0:23
2
No, I don't think the...
Java JDBC - How to connect to Oracle using Service Name instead of SID
...
http://download.oracle.com/docs/cd/B28359_01/java.111/b31224/urls.htm#BEIDHCBA
Thin-style Service Name Syntax
Thin-style service names are supported only by the JDBC Thin driver. The syntax is:
@//host_name:port_number/service_name
For example:
jdbc:oracle:thin:sco...