大约有 44,000 项符合查询结果（耗时：0.0557秒） [XML]
How can I query a value in SQL Server XML column
...
select
Roles
from
MyTable
where
Roles.value('(/root/role)[1]', 'varchar(max)') like 'StringToSearchFor'
These pages will show you more about how to query XML in T-SQL:
Querying XML fields using t-sql
Flattening XML Dat...
SQL Server Management Studio, how to get execution time down to milliseconds
...able in your proc:
DECLARE @EndTime datetime
DECLARE @StartTime datetime
SELECT @StartTime=GETDATE()
-- Write Your Query
SELECT @EndTime=GETDATE()
--This will return execution time of your query
SELECT DATEDIFF(ms,@StartTime,@EndTime) AS [Duration in millisecs]
AND see this
Measuring Quer...
When do I use a dot, arrow, or double colon to refer to members of a class in C++?
...
Dot operator is used in direct member selection scenarios.
print(a.b)
Here, we are accessing b, which is a direct member of an object a. So, primarily, a is an object and b is a member (function/ variable etc) of a.
Arrow operator is used in indirect membe...
#1071 - Specified key was too long; max key length is 1000 bytes
... the best prefix length for a given column? Here's a method to find out:
SELECT
ROUND(SUM(LENGTH(`menu_link`)<10)*100/COUNT(`menu_link`),2) AS pct_length_10,
ROUND(SUM(LENGTH(`menu_link`)<20)*100/COUNT(`menu_link`),2) AS pct_length_20,
ROUND(SUM(LENGTH(`menu_link`)<50)*100/COUNT(`menu_...
Using “label for” on radio buttons
...(label after input) is easier to style with CSS using the adjacent sibling selector +:
input[type="radio"]:checked+label {font-weight:bold;}
share
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How do I clear all options in a dropdown box?
...
You can use the following to clear all the elements.
var select = document.getElementById("DropList");
var length = select.options.length;
for (i = length-1; i >= 0; i--) {
select.options[i] = null;
}
...
jQuery autocomplete tagging plug-in like StackOverflow's input tags? [closed]
...otstrap-tagsinput/examples/
(demo?) http://jcesar.artelogico.com/jquery-tagselector/
(demo?) http://remysharp.com/wp-content/uploads/2007/12/tagging.php
(demo?) http://pietschsoft.com/post/2011/09/09/Tag-Editor-Field-using-jQuery-similar-to-StackOverflow.aspx
Related:
https://meta.stackexchange....
Defining a HTML template to append using JQuery
...able to take the same approach using vanilla javascript with document.querySelector and .innerHTML.
jsfiddle
Templates inside JS
A question to ask yourself is: do you really want/need to define templates as HTML files? You can always componentize + re-use a template the same way you'd re-use most...
Retain precision with double in Java
... Types, Formats, and Values of the Java Language Specification.
The byte, char, int, long types are fixed-point numbers, which are exact representions of numbers. Unlike fixed point numbers, floating point numbers will some times (safe to assume "most of the time") not be able to return an exact re...
How to pick an image from gallery (SD Card) for my app?
...EQ_CODE_PICK_IMAGE:
if(resultCode == RESULT_OK){
Uri selectedImage = imageReturnedIntent.getData();
String[] filePathColumn = {MediaStore.Images.Media.DATA};
Cursor cursor = getContentResolver().query(
selectedImage, fileP...