大约有 47,000 项符合查询结果(耗时:0.0599秒) [XML]

https://stackoverflow.com/ques... 

Removing duplicate values from a PowerShell array

... Use Select-Object (whose alias is select) with the -Unique switch; e.g.: $a = @(1,2,3,4,5,5,6,7,8,9,0,0) $a = $a | select -Unique share | ...
https://stackoverflow.com/ques... 

What does the “+” (plus sign) CSS selector mean?

... See adjacent selectors on W3.org. In this case, the selector means that the style applies only to paragraphs directly following another paragraph. A plain p selector would apply the style to every paragraph in the page. This will onl...
https://stackoverflow.com/ques... 

How to comment out a block of Python code in Vim

...to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position). ...
https://stackoverflow.com/ques... 

Can PHP PDO Statements accept the table or column name as parameter?

... case 1: $tbl = 'users'; break; } $sql = "SELECT * FROM $tbl"; } By leaving no default case or using a default case that returns an error message you ensure that only values that you want used get used. ...
https://stackoverflow.com/ques... 

Join between tables in two different databases?

... Yes, assuming the account has appropriate permissions you can use: SELECT <...> FROM A.table1 t1 JOIN B.table2 t2 ON t2.column2 = t1.column1; You just need to prefix the table reference with the name of the database it resides in. ...
https://stackoverflow.com/ques... 

How do I create a PDO parameterized query with a LIKE statement?

... Figured it out right after I posted: $query = $database->prepare('SELECT * FROM table WHERE column LIKE ?'); $query->execute(array('value%')); while ($results = $query->fetch()) { echo $results['column']; } ...
https://stackoverflow.com/ques... 

How to change language of app when user selects language?

...o support three languages Spanish,Portuguese & English. And give option to select language in app.I have made 7 Answers ...
https://stackoverflow.com/ques... 

fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'

...t; Configuration Properties > Linker > Advanced > Target Machine. Select MachineX64 if you are targeting a 64 bit build, or MachineX86 if you are making a 32 bit build. Select Build > Configuration Manager from the main menu in visual studio. Make sure your project has the correct platfo...
https://stackoverflow.com/ques... 

How to determine total number of open/active connections in ms sql server 2005

... This shows the number of connections per each DB: SELECT DB_NAME(dbid) as DBName, COUNT(dbid) as NumberOfConnections, loginame as LoginName FROM sys.sysprocesses WHERE dbid > 0 GROUP BY dbid, loginame And this gives the total: SELECT CO...
https://stackoverflow.com/ques... 

OR is not supported with CASE Statement in SQL Server

...sions anywhere in the SQL queries. CASE expressions can be used within the SELECT statement, WHERE clauses, Order by clause, HAVING clauses, Insert, UPDATE and DELETE statements. A CASE expression has the following two formats: Simple CASE expression CASE expression WHEN expression1 THEN Result1...