大约有 47,000 项符合查询结果（耗时：0.0419秒） [XML]
release Selenium chromedriver.exe from memory
...wser = webdriver.Chrome() ) I believe it should release chromedriver.exe from memory (I'm on Windows 7). However after each run there is one chromedriver.exe instance remain in the memory. I hope there is a way I can write something in python to kill the chromedriver.exe process. Obviously br...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
Is there any way to select/manipulate CSS pseudo-elements such as ::before and ::after (and the old version with one semi-colon) using jQuery?
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CSS selector for first element with class
I have a bunch of elements with a class name red , but I can't seem to select the first element with the class="red" using the following CSS rule:
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Multiline strings in VB.NET
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I used this variant:
Dim query As String = <![CDATA[
SELECT
a.QuestionID
FROM
CR_Answers a
INNER JOIN
CR_Class c ON c.ClassID = a.ClassID
INNER JOIN
CR_Questions q ON q.QuestionID = a.QuestionID
...
How to use greater than operator with date?
..._date with single quote causing it to become string, use backtick instead
SELECT * FROM `la_schedule` WHERE `start_date` > '2012-11-18';
SQLFiddle Demo
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How to change Elasticsearch max memory size
...h uses system caches heavily, so you should leave enough memory for them. (from asquera.de/opensource/2012/11/25/… )
– Tom
Nov 11 '13 at 13:52
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Simple way to convert datarow array to datatable
...For .Net Framework 3.5+
DataTable dt = new DataTable();
DataRow[] dr = dt.Select("Your string");
DataTable dt1 = dr.CopyToDataTable();
But if there is no rows in the array, it can cause the errors such as The source contains no DataRows. Therefore, if you decide to use this method CopyToDataTable...
Making the main scrollbar always visible
... that slight but very noticeable and very annoying jerk as content changes from having scroll to not. With the disappearing scrollbars, they dont jerk the body when they show and hide so its ok for me. But thanks for this excellent point.
– Noitidart
Sep 17 '15...
Inserting multiple rows in a single SQL query? [duplicate]
...much better methods as seen in the other answers.
You can use INSERT with SELECT UNION ALL:
INSERT INTO MyTable (FirstCol, SecondCol)
SELECT 'First' ,1
UNION ALL
SELECT 'Second' ,2
UNION ALL
SELECT 'Third' ,3
...
Only for small datasets though, which should be fine for your 4 rec...
Error Dropping Database (Can't rmdir '.test\', errno: 17)
...rop database command succeeded.
I don't know where the .empty file came from; as noted, this was a new mysql install. Perhaps something went wrong in the install process.
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