大约有 47,000 项符合查询结果（耗时：0.0721秒） [XML]
How to truncate a foreign key constrained table?
...ion 1:
Remove constraints
Perform TRUNCATE
Delete manually the rows that now have references to nowhere
Create constraints
Option 2: suggested by user447951 in their answer
SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE table $table_name;
SET FOREIGN_KEY_CHECKS = 1;
...
Manipulating an Access database from Java without ODBC
...at is done the project should look something like this:
That's it!
Now "U Can Access" data in .accdb and .mdb files using code like this
// assumes...
// import java.sql.*;
Connection conn=DriverManager.getConnection(
"jdbc:ucanaccess://C:/__tmp/test/zzz.accdb");
Statement s = c...
Get mouse wheel events in jQuery?
...ion() {
var supportOffset = window.pageYOffset !== undefined,
lastKnownPos = 0,
ticking = false,
scrollDir,
currYPos;
function doSomething(scrollPos, scrollDir) {
// Your code goes here...
console.log('scroll pos: ' + scrollPos + ' | scroll dir: ' + scrollDir);
...
Delete all documents from index/type without deleting type
I know one can delete all documents from a certain type via deleteByQuery.
15 Answers
...
SQL - using alias in Group By
...
@MartinSmith only knew now that is a gotcha, will refrain from using that, thanks. Given that PostgreSQL allows that shortcut, they should give the alias a priority, otherwise they should not allow that shortcut at all.
– Mich...
How do I free my port 80 on localhost Windows?
...
ntoskrnl.exe - now what?
– Tim Lovell-Smith
Apr 24 '12 at 5:50
1
...
How do you know a variable type in java?
... would work if the types aren't primitives... If the type is int , how to know the type?
– Miguel Ribeiro
Apr 20 '10 at 11:32
5
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Bash script and /bin/bash^M: bad interpreter: No such file or directory [duplicate]
...in notepad and paste into putty shell , then save it. Everything fine for now. Thank you for your answer.
– Dylan B
Feb 22 '17 at 2:52
...
Android Webview - Completely Clear the Cache
...you probably want to delete cookies. Though I'm sure you found that out by now.
– NineToeNerd
Mar 3 '16 at 3:42
Need t...
How to do scanf for single char in C [duplicate]
...
Now that's wild! Would you explain why the space in front of %c makes a difference?
– Max Coplan
Sep 10 '19 at 15:59
...