大约有 30,000 项符合查询结果(耗时:0.0298秒) [XML]
Best way to implement keyboard shortcuts in a Windows Forms application?
... menu item's Click event handler. You still do the exact same way, either call the event handler method directly (no need for it to be exclusively called by an event) or refactor the common logic into a separate method.
– Hans Passant
Jun 10 '14 at 11:26
...
How to delete duplicates on a MySQL table?
...Table penguins with alias 'a' is left joined on a subset of table penguins called alias 'b'. The right hand table 'b' which is a subset finds the max timestamp [ or max moo ] grouped by columns foo and bar. This is matched to left hand table 'a'. (foo,bar,baz) on left has every row in the table. ...
Vim and Ctags tips and tricks [closed]
... is cscope
Just as Ctags lets you jump to definitions, Cscope jumps to the calling functions.
If you have cscope in your ~/bin/ directory, add the following to your .vimrc and use g^] to go to the calling function (see :help cscope).
if has("cscope")
set csprg=~/bin/cscope
set csto=0
s...
Django REST Framework: adding additional field to ModelSerializer
...
it means you can call this method like a property: i.e. variable = model_instance.my_field gives the same result as variable = model_instance.my_field() without the decorator. also: stackoverflow.com/a/6618176/2198571
–...
Real mouse position in canvas [duplicate]
...: evt.clientX - rect.left,
y: evt.clientY - rect.top
};
}
Just call it from your event with the event and canvas as arguments. It returns an object with x and y for the mouse positions.
As the mouse position you are getting is relative to the client window you'll have to subtract the po...
MySQL ON vs USING?
...l countries but just the cities starting with C or D (if any). (Plus towns called 'E')
– Roemer
Jun 12 at 18:04
...
Vibrate and Sound defaults on notification
...
This is a simple way to call notification by using default vibrate and sound from system.
private void sendNotification(String message, String tick, String title, boolean sound, boolean vibrate, int iconID) {
Intent intent = new Intent(this, Ma...
What is the difference between single and double quotes in SQL?
...ur application code to be something other than what the column is actually called in the database. For example: PRODUCT.id would be more readable as product_id, so you use either of the following:
SELECT PRODUCT.id AS product_id
SELECT PRODUCT.id 'product_id'
Either works in Oracle, SQL Server,...
IDENTITY_INSERT is set to OFF - How to turn it ON?
...etting it to on only when changing the stored procedure, not when actually calling it. Try:
ALTER procedure [dbo].[spInsertDeletedIntoTBLContent]
@ContentID int,
SET IDENTITY_INSERT tbl_content ON
...insert command...
SET IDENTITY_INSERT tbl_content OFF
GO
...
Change the selected value of a drop-down list with jQuery
...d a change event fire after changing the value of the dropbox, you need to call the change function after setting the value.
– tver3305
Jun 3 '15 at 10:25
...