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Best design for a changelog / auditing database table? [closed]
...stions like this:
Who the heck created/updated/deleted a record
with ID=m>X m> in the table Foo and when?
So, in order to be able to answer such questions quickly (using SQL), we ended up having two additional columns in the audit table
object type (or table name)
object ID
That's when design of ...
How to avoid the “divide by zero” error in SQL?
...Try it yourself! SELECT Value,1/NullIf(Value,0)FROM(VALUES(0),(5.0),(NULL))m>x m>(Value); Unless by "breaks" you mean returns a NULL? You can convert that to whatever you want with IsNull or Coalesce.
– ErikE
Jan 26 '17 at 16:54
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Only read selected columns
... only the first 6 months (7 columns) for each year of the data below, for em>x m>ample by using read.table() ?
4 Answers
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how to make twitter bootstrap submenu to open on the left side?
...the items in the main menu are too long, as in this fiddle: jsfiddle.net/szm>x m>4Y/446 Anyone have a quick idea for a fim>x m>?
– Aaron Lifshin
Jan 16 '15 at 18:47
2
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Center a position:fim>x m>ed element
I would like to make a position: fim>x m>ed; popup bom>x m> centered to the screen with a dynamic width and height. I used margin: 5% auto; for this. Without position: fim>x m>ed; it centers fine horizontally, but not vertically. After adding position: fim>x m>ed; , it's even not centering horizontally.
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Replace input type=file by an image
..., so I was wondering if I could use a " clickable " image which would act em>x m>actly as an input type file (show the dialog bom>x m>, and same $_FILE on submitted page).
I found some workaround here , and this interesting one too (but does not work on Chrome =/).
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转：postfim>x m>安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
转：postfim>x m>安装Q&A 原文地址：http: bbs.chinaunim>x m>.net viewthread.php?tid=770141执照wangmingda老大的资料安装成功postfim>x m>（地址在这里http: www.em>x m>tmail....
原文地址：http://bbs.chinaunim>x m>.net/viewthread.php?tid=770141
执照wangmingda老大...
ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
...so, flush operation will help in similar cases, I have shared my detailed em>x m>planation on this page rathishkumar.in/2018/10/…
– Rathish
Oct 22 '18 at 8:25
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How to create and write to a tm>x m>t file using VBA
I have a file which is manually added or modified based on the inputs. Since most of the contents are repetitive in that file, only the hem>x m> values are changing, I want to make it a tool generated file.
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