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How to apply bindValue method in LIMIT clause?
...ode
$skip = isset($_GET['skip']) ? (int)trim($_GET['skip']) : 0;
$sql = "SELECT * FROM pictures WHERE album = ? ORDER BY id LIMIT ?, ?";
$stmt = $PDO->prepare($sql);
$stmt->execute([$_GET['albumid'], $skip, $max]);
$pictures = $stmt->fetchAll(PDO::FETCH_ASSOC);
...
Map and Reduce in .NET
...ons. C# 3.5 and Linq already has it albeit under different names.
Map is Select:
Enumerable.Range(1, 10).Select(x => x + 2);
Reduce is Aggregate:
Enumerable.Range(1, 10).Aggregate(0, (acc, x) => acc + x);
Filter is Where:
Enumerable.Range(1, 10).Where(x => x % 2 == 0);
https://www...
Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
.../oracle/.bash_profile
进入ORLACE
sqlplus /as sysdba
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES BLOCKSIZE MEMBERS ARC
---------- ---------- ---------- ---------- ---------- ---------- ---
STATUS FIRST_CHANGE# FIRST_TIME NEXT_CHANGE#...
Difference between two dates in MySQL
...
SELECT TIMEDIFF('2007-12-31 10:02:00','2007-12-30 12:01:01');
-- result: 22:00:59, the difference in HH:MM:SS format
SELECT TIMESTAMPDIFF(SECOND,'2007-12-30 12:01:01','2007-12-31 10:02:00');
-- result: 79259 the differenc...
Eclipse HotKey: how to switch between tabs?
... in browser or window in operating system ( Cmd / Win + Tab ) without file-selection from the list. How to do this easy thing in Eclipse?
...
What is a Proxy in Doctrine 2?
...protected $lastname;
// bunch of setters/getters here
}
DQL query:
SELECT u.id, u.username FROM Entity\User u WHERE u.id = :id
As you can see this query doesn't return firstname and lastname properties, therefore you cannot create User object. Creation of incomplete entity could lead to un...
Sublime Text 2: How to delete blank/empty lines
...
Select the text
Press:
Ctrl + H on PC, or
Command + Alt + F on Mac or
Click Find->Replace.
Make sure you have selected 'regular expression' by pressing:
Alt + R on PC or
Command + Alt + R on Mac or
Click .* in the Find ...
How can you integrate a custom file browser/uploader with CKEditor?
...your callback function. Let's say you put it into $callback.
When someone selects a file, run this JavaScript to inform CKEditor which file was selected:
window.opener.CKEDITOR.tools.callFunction(<?php echo $callback; ?>,url)
Where "url" is the URL of the file they picked. An optional thir...
MySQL select with CONCAT condition
...available within the query itself.
You can either repeat the expression:
SELECT neededfield, CONCAT(firstname, ' ', lastname) as firstlast
FROM users
WHERE CONCAT(firstname, ' ', lastname) = "Bob Michael Jones"
or wrap the query
SELECT * FROM (
SELECT neededfield, CONCAT(firstname, ' ', last...
How to do a regular expression replace in MySQL?
...ositions and perform substring substitution and extraction, respectively.
SELECT REGEXP_REPLACE('Stackoverflow','[A-Zf]','-',1,0,'c');
-- Output:
-tackover-low
DBFiddle Demo
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