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Efficiently convert rows to columns in sql server
...ou can use the PIVOT function to transform the data from rows to columns:
select Firstname, Amount, PostalCode, LastName, AccountNumber
from
(
select value, columnname
from yourtable
) d
pivot
(
max(value)
for columnname in (Firstname, Amount, PostalCode, LastName, AccountNumber)
) piv;
S...
How do you select a particular option in a SELECT element in jQuery?
...
A selector to get the middle option-element by value is
$('.selDiv option[value="SEL1"]')
For an index:
$('.selDiv option:eq(1)')
For a known text:
$('.selDiv option:contains("Selection 1")')
EDIT: As commented above t...
Reset select2 value and show placeholder
How do I set the placeholder on value reset by select2. In my example If locations or grade select boxes are clicked and my select2 has a value than the value of select2 should reset and show the default placeholder. This script is resetting the value but won't show the placeholder
...
How do I change selected value of select2 dropdown with JqGrid?
I'm using Oleg's select2 demo , but I am wondering whether it would be possible to change the currently selected value in the dropdown menu.
...
重磅：nsis产品级完整安装实例源码 - 脚本技术 - 清泛IT社区，为创新赋能！
先看效果：
安装完成后，windows卸载程序的列表中会出现相关信息：
安装目录安装了指定文件：
测试卸载：
源码免费下载：
C#科学计数法转换decimal出错 - .NET(C#) - 清泛IT论坛，有思想、有深度
decimal scientific = decimal.Parse("2.1021E-05")
执行发生异常：“未经处理的异常: System.FormatException: 输入字符串的格式不正确。”
解决方法：
decimal scientific = decimal.Parse("2.1021E-05", System.Globalization.NumberS...
C#科学计数法转换decimal出错 - .NET(C#) - 清泛IT论坛，有思想、有深度
decimal scientific = decimal.Parse("2.1021E-05")
执行发生异常：“未经处理的异常: System.FormatException: 输入字符串的格式不正确。”
解决方法：
decimal scientific = decimal.Parse("2.1021E-05", System.Globalization.NumberS...
C#科学计数法转换decimal出错 - .NET(C#) - 清泛IT论坛，有思想、有深度
decimal scientific = decimal.Parse("2.1021E-05")
执行发生异常：“未经处理的异常: System.FormatException: 输入字符串的格式不正确。”
解决方法：
decimal scientific = decimal.Parse("2.1021E-05", System.Globalization.NumberS...