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nvarchar和varchar相互转换、联合查询 - ORACLE - 清泛IT论坛,有思想、有深度
...atype is NVARCHAR2.
(A表字段c_xxx:varchar,B表c_xxx:nvarchar)
select translate(c_xxx USING NCHAR_CS) from A
union all
select c_xxx from B
或者
select c_xxx from A
union all
select translate(c_xxx USING CHAR_CS) from B
注意:translate函数括号中没有逗号。
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DropDownList's SelectedIndexChanged event not firing
I have a DropDownList object in my web page. When I click on it and select a different value, nothing happens, even though I have a function wired up to the SelectedIndexChanged event.
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Find out who is locking a file on a network share
...ocked by remote computer (which has the file open through a file share):
Select "Manage Computer" (Open "Computer Management")
click "Shared Folders"
choose "Open Files"
There you can even close the file forcefully.
sha...
disable textbox using jquery?
...y.com/attr/
To retrieve and change DOM properties such as the checked, selected,
or disabled state of form elements, use the .prop() method.
$("#radiobutt input[type=radio]").each(function(i){
$(this).click(function () {
if(i==2) { //3rd radiobutton
$("#textbox1").prop("disabled"...
How to “undelete” a deleted folder in Subversion / TortoiseSVN?
... revision there your folder still exists, then right-click that folder and select "Copy to..." and enter the path there you want the folder to be re-created (probably the same path that is already in the text box).
share
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How to find out which JavaScript events fired?
I have a select list:
4 Answers
4
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Android Studio quick documentation always “fetching documentation”
...ndroid Studio (any os)
Then, in File -> Invalidate Caches / Restart… select Invalidate, and retry using Quick Documentation. It should display instantly. If it doesn't, select Invalidate and Restart, and you should be good to go.
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How do I import CSV file into a MySQL table?
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You have to select a table before you can continue... and since the whole point is not having to make the table...
– Dominique
Nov 4 '14 at 20:06
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jquery find closest previous sibling with class
...first is working on a list of returned elements that starts closest to the selected object (as opposed to top to bottom relative to the page)?
– NReilingh
Mar 10 '13 at 0:41
2
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Is there a shortcut to make a block comment in Xcode?
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Created Automator service using AppleScript
Make sure "Output replaces selected text" is checked
Enter the following code:
on run {input, parameters}
return "/*\n" & (input as string) & "*/"
end run
Now you can access that service through Xcode - Services menu, or by right clicking...