大约有 40,000 项符合查询结果（耗时：0.0286秒） [XML]
Maximum length for MySQL type text
... value of a textarea appropriate to the max length of a text field in my MySQL database table. How many characters can a type text field store?
...
MySQL join with where clause
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f1219909%2fmysql-join-with-where-clause%23new-answer', 'question_page');
}
);
Post as a guest
...
How do I create a URL shortener?
...Take an auto-generated, unique numerical key (the auto-incremented id of a MySQL table for example).
For this example, I will use 12510 (125 with a base of 10).
Now you have to convert 12510 to X62 (base 62).
12510 = 2×621 + 1×620 = [2,1]
This requires the use of integer division and modulo. A ...
MySQL JOIN the most recent row only?
...
For anyone who must work with an older version of MySQL (pre-5.0 ish) you are unable to do sub-queries for this type of query. Here is the solution I was able to do and it seemed to work great.
SELECT MAX(d.id), d2.*, CONCAT(title,' ',forename,' ',surname) AS name
FROM cust...
Delete files older than 15 days using PowerShell
... days from the current date and compare CreationTime against that value:
$root = 'C:\root\folder'
$limit = (Get-Date).AddDays(-15)
Get-ChildItem $root -Recurse | ? {
-not $_.PSIsContainer -and $_.CreationTime -lt $limit
} | Remove-Item
...
Call to undefined method mysqli_stmt::get_result
...
Please read the user notes for this method:
http://php.net/manual/en/mysqli-stmt.get-result.php
It requires the mysqlnd driver... if it isn't installed on your webspace you will have to work with BIND_RESULT & FETCH!
https://secure.php.net/manual/en/mysqli-stmt.bind-result.php
https://s...
Using Sinatra for larger projects via multiple files
...rb
main.rb
views/
layout.haml
login.haml
main.haml
config.ru
root = ::File.dirname(__FILE__)
require ::File.join( root, 'app' )
run MyApp.new
app.rb
# encoding: utf-8
require 'sinatra'
require 'haml'
class MyApp < Sinatra::Application
enable :sessions
configure :producti...
How to delete from select in MySQL?
This code doesn't work for MySQL 5.0, how to re-write it to make it work
4 Answers
4
...
SQL how to make null values come last when sorting ascending
...
@Martin Note this question is not tagged mysql. I provided a generalized solution - there are many different ways of doing the same thing across different dbs.
– RedFilter
Oct 16 '15 at 14:15
...
How to find/remove unused dependencies in Gradle
...ime scoped
Service providers (JAR files containing META-INF/services) like
mysql-connector-java are moved to runtime if there isn't any provable
compile-time reference
Dependencies are moved to the highest source set configuration
possible. For example, 'junit' is relocated to testCompile unless
the...