大约有 44,000 项符合查询结果（耗时：0.0488秒） [XML]
MySQL ON DUPLICATE KEY - last insert id?
...LAST_INSERT_ID(3000)) ON DUPLICATE KEY UPDATE id = LAST_INSERT_ID(id + 1);
SELECT LAST_INSERT_ID();
If the prefix exists, it will increment it and populate last_insert_id.
If the prefix does not exist, it will insert the prefix with the value 3000 and populate last_insert_id with 3000.
...
Choosing a file in Python with simple Dialog
...= askopenfilename() # show an "Open" dialog box and return the path to the selected file
print(filename)
Done!
share
|
improve this answer
|
follow
|
...
Highlight the difference between two strings in PHP
... Amazing! I mean the online demo with example code. Perfect char-level differences. Just WoW! :O Thank You!
– Filip OvertoneSinger Rydlo
Sep 22 '16 at 12:38
2
...
Rails ActiveRecord date between
...ne day. The field is part of the standard timestamps, is created_at . The selected date is coming from a date_select .
11...
Jquery If radio button is checked
...' of "appended" to the 'appended' element
appended.id = 'appended';
// 1. selects '<input type="radio" />' elements with the 'name' attribute of 'postage'
// 2. assigns the onChange/onchange event handler
$('input:radio[name="postage"]').change(
function(){
// checks that the cli...
Initialize a byte array to a certain value, other than the default null? [duplicate]
...rrectly, even to fill with 0x00 bytes: Encoding.ASCII.GetBytes(new string((char)0, 100));
– Ben
Aug 3 '16 at 19:44
Fun...
“Large data” work flows using pandas
...ns?
What will typical operations look like. E.g. do a query on columns to select a bunch of rows and specific columns, then do an operation (in-memory), create new columns, save these.
(Giving a toy example could enable us to offer more specific recommendations.)
After that processing, then what do...
Find CRLF in Notepad++
...h processes:
Simple search (Ctrl+F), Search Mode = Normal
You can select an EOL in the editing window.
Just move the cursor to the end of the line, and type Shift+Right Arrow.
or, to select EOL with the mouse, start just at the line end and drag to the start of the next line; dr...
How to find the key of the largest value hash?
...
You can use the select method if you want the key value pair returned:
hash.select {|k,v| v == hash.values.max }
share
|
improve this ans...
How to do a case sensitive search in WHERE clause (I'm using SQL Server)?
...the Collation. By default it is case insensitive.
Excerpt from the link:
SELECT 1
FROM dbo.Customers
WHERE CustID = @CustID COLLATE SQL_Latin1_General_CP1_CS_AS
AND CustPassword = @CustPassword COLLATE SQL_Latin1_General_CP1_CS_AS
Or, change the columns to be case sensitive.
...