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What is the difference between SQL Server 2012 Express versions?
...itions you are asking about, just focus on the last three columns of every table in there.
Summary compiled from the above document:
* = contains the feature
SQLEXPR SQLEXPRWT SQLEXPRADV
---------------------------------------------------------...
ffmpeg - Converting MOV files to MP4 [closed]
...a container packages multiple video and audio streams, adds a header and a table-of-contents. The Quicktime (mov) and MPEG (mp4) container work quite different, technically. If you just rename a Quicktime file into mp4, you pretend it to be a MPEG video, but it still remains a Quicktime container. P...
Get total number of items on Json object? [duplicate]
...Object.keys(jsonArray).length
References:
Object.keys.
Kangax's compat table.
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How to fix UITableView separator on iOS 7? [duplicate]
UITableView draws with ragged lines on iOS 7:
2 Answers
2
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What do {curly braces} around javascript variable name mean [duplicate]
...[b, a];
Browser support can be tracked using kangax' ES6 compatibility table.
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mysql实现split分割字符串（length, SUBSTRING_INDEX, substring） - 数据...
...tid, 2+length(SUBSTRING_INDEX(contentid, '-', 1))) second, contentid FROM `table_xxx`
mysql split 分割字符串
关于ORA-00903. 表名无效的错误 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...时是用双引号中的小写表名创建的，就像下面这样：createtable"mytable"("a"int,"b"varchar2(2));使用这个表（或字段） 可能创建表（或字段）时是用双引号中的小写表名创建的，就像下面这样：
create table "mytable" (a int, "b" varchar2(2));
...
解决：ORA-01658: 无法为表空间space中的段创建 INITIAL 区 - 数据库(内核)...
...的表空间大小有多少：
1、查看表空间总大小SQL：select tablespace_name,sum(bytes)/1024/1024 from dba_data_files group by tablespace_name;
2、查看表空间已使用大小及分配情况：
select SEGMENT_TYPE,owner,sum(bytes)/1024/1024 from dba_segments where tablespace_name=...
Oracle 分组后取每组第一条数据 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...N BY T.field1, T.field2 ORDER BY T.field3 DESC) rowNo, T.*
FROM table_xxx T)
WHERE rowNo = 1;
oracle group ROW_NUMBER
ADO方式读取EXCEL数据存在致命BUG!!!!! - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ed Properties='Excel 12.0;HDR=NO';"
Set RS = ExcelDB.OpenSchema(adSchemaTables)
Do While Not RS.EOF
S = RS("Table_Name")
If Left(S, 1) = "'" Then S = Mid(S, 2, Len(S) - 3) Else S = Mid(S, 1, Len(S) - 1)
MsgBox S
RS.MoveNext
Loop
End Sub
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