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Efficiently convert rows to columns in sql server
...FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
set @query = N'SELECT ' + @cols + N' from
(
select value, ColumnName
from yourtable
) x
pivot
(
max(value)
...
How to get the last day of the month?
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1134
I didn't notice this earlier when I was looking at the documentation for the calendar module,...
App Inventor 俄罗斯方块：画布实现的完整小游戏（附 .aia 源码） · App Inventor 2 中文网
...撞墙自动修正、影子落点、下一个预览、消行计分、每 10 行升一级加速、最高分保存。全部用内置的画布和积木实现，不需要拓展。
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How to remove convexity defects in a Sudoku square?
...sk"}][[All,
2]];
largestComponent = Image[SortBy[components, First][[-1, 2]]]
By filling this image, I get a mask for the sudoku grid:
mask = FillingTransform[largestComponent]
Now, I can use a 2nd order derivative filter to find the vertical and horizontal lines in two separate images...
How to calculate “time ago” in Java?
...
179
Take a look at the PrettyTime library.
It's quite simple to use:
import org.ocpsoft.prettyti...
How to calculate the number of occurrence of a given character in each row of a column of strings?
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13 Answers
13
Active
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How do I know which version of Javascript I'm using?
I'm just reading this documentation about Javascript 1.2, but I'm wondering which version of Javascript is being used in the most popular browsers.
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