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PHP PDO returning single row
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$dbh = new PDO(" --- connection string --- ");
$stmt = $dbh->prepare("SELECT name FROM mytable WHERE id=4 LIMIT 1");
$stmt->execute();
$row = $stmt->fetch();
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In jQuery, how do I select an element by its name attribute?
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Good point. Although it's still not "How to get selected radiobutton value using its name in jQuery?". It's "How to get selected radiobutton value when clicking on it using jQuery?". A small difference, but one that baffled me for a bit.
– gargantuan
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select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
select、poll、epoll之间的区别总结[整理]select，poll，epoll都是IO多路复用的机制。I O多路复用就通过一种机制，可以监视多个描述符，一旦某个描述符就绪（一般是读就绪或者写就绪...select，poll，epoll都是IO多路复用的机制。I/O多路...
What's the best UI for entering date of birth? [closed]
What is the best method for date of birth selector?
24 Answers
24
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Count(*) vs Count(1) - SQL Server
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The optimizer recognizes it for what it is: trivial.
The same as EXISTS (SELECT * ... or EXISTS (SELECT 1 ...
Example:
SELECT COUNT(1) FROM dbo.tab800krows
SELECT COUNT(1),FKID FROM dbo.tab800krows GROUP BY FKID
SELECT COUNT(*) FROM dbo.tab800krows
SELECT COUNT(*),FKID FROM dbo.tab800krows GROU...
Professional jQuery based Combobox control? [closed]
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If I already select one value, then click arrow it only show the selected value, not all value.
– linbo
Oct 10 '12 at 11:55
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Why do most C developers use define instead of const? [duplicate]
...s is actually my preference in such a case.
enum { FIELD_WIDTH = 16384 };
char buf[FIELD_WIDTH];
In C++ this is a huge advantage as you can scope your enum in a class or namespace, whereas you cannot scope a #define.
In C you don't have namespaces and cannot scope an enum inside a struct, and am...
How can I get the list of a columns in a table for a SQLite database?
...(first_name varchar, last_name varchar, email_address varchar);
sqlite> select * from sqlite_master;
table|people|people|2|CREATE TABLE people (first_name varchar, last_name varchar, email_address varchar)
To get column information you can use the pragma table_info(table_name) statement:
sqlit...
How to list active / open connections in Oracle?
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Error starting at line 1 in command: select * from FROM v$session Error at Command Line:1 Column:14 Error report: SQL Error: ORA-00903: invalid table name 00903. 00000 - "invalid table name" *Cause: *Action:
– pistacchio
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How to ignore SVN folders in WinMerge?
...ersion housekeeping directories
d: \\.svn$
d: \\._svn$
Save it, then when selecting items to merge, select the filter you defined from the Select Files or Folders dialog box. Bonus points: It will save this and use it as a default for future merges.
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