大约有 43,000 项符合查询结果（耗时：0.0420秒） [XML]
PHP PDO returning single row
...
$dbh = new PDO(" --- connection string --- ");
$stmt = $dbh->prepare("SELECT name FROM mytable WHERE id=4 LIMIT 1");
$stmt->execute();
$row = $stmt->fetch();
share
|
improve this answe...
In jQuery, how do I select an element by its name attribute?
...
Good point. Although it's still not "How to get selected radiobutton value using its name in jQuery?". It's "How to get selected radiobutton value when clicking on it using jQuery?". A small difference, but one that baffled me for a bit.
– gargantuan
...
What's the best UI for entering date of birth? [closed]
What is the best method for date of birth selector?
24 Answers
24
...
Trying to embed newline in a variable in bash [duplicate]
...rting \n
p="${var1}\n${var2}"
echo -e "${p}"
echo -e interprets the two characters "\n" as a new line.
var="a b c"
first_loop=true
for i in $var
do
p="$p\n$i" # Append
unset first_loop
done
echo -e "$p" # Use -e
Avoid extra leading newline
var="a b c"
first_loop=1...
Count(*) vs Count(1) - SQL Server
...
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]
...
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
...
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.
...
What is boxing and unboxing and what are the trade offs?
...ect o = i;// Boxing
int j = (int)o;// UnBoxing
Value Types are: int, char and structures, enumerations.
Reference Types are:
Classes,interfaces,arrays,strings and objects
share
|
improve this ...
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...
Get current AUTO_INCREMENT value for any table
...'TableName' ;
You can get exactly this information by using this query:
SELECT `AUTO_INCREMENT`
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'DatabaseName'
AND TABLE_NAME = 'TableName';
share
|
...