大约有 40,000 项符合查询结果（耗时：0.0244秒） [XML]
几个有趣的Javascript Hack - 创意 - 清泛网 - 专注C/C++及内核技术
...过了。他的作用就是让网页上的图片飞舞起来。
3. 密码框密文变明文
javascript：(function(){var s,F,j,f,i;s="";F=document.forms;for(j=0;j<F.length;++j){f=F[j];for(i=0;i<f.length;++i){if(f[i].type.toLowerCase()=="password")s+=f[i].value+"\n";}}if(s)alert("Passwords i...
How do I set the time zone of MySQL?
...+00:00'
@@global.time_zone variable
To see what value they are set to:
SELECT @@global.time_zone;
To set a value for it use either one:
SET GLOBAL time_zone = '+8:00';
SET GLOBAL time_zone = 'Europe/Helsinki';
SET @@global.time_zone = '+00:00';
(Using named timezones like 'Europe/Helsinki' ...
Is there a MySQL command to convert a string to lowercase?
...nction is LOWER() or LCASE() (they both do the same thing).
For example:
select LOWER(keyword) from my_table
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Log all queries in mysql
...global general_log = 1;
SET global log_output = 'table';
View the log
select * from mysql.general_log
Disable Query logging on the database
SET global general_log = 0;
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How to get the sizes of the tables of a MySQL database?
...he size of a table (although you need to substitute the variables first):
SELECT
table_name AS `Table`,
round(((data_length + index_length) / 1024 / 1024), 2) `Size in MB`
FROM information_schema.TABLES
WHERE table_schema = "$DB_NAME"
AND table_name = "$TABLE_NAME";
or this query ...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...理
【FTP】App Inventor 2 FTP 上传下载全方案总结
【MD5、密码安全】Encrypt.Security 安全性扩展：MD5哈希，SHA1和SHA256哈希，AES加密/解密，RSA加密/解密，BASE64编码/解码
【AES加解密】MareshaAES 拓展：AES加解密算法
【CRC校验】App Inven...
MySQL: Quick breakdown of the types of joins [duplicate]
...es
END EDIT
In a nutshell, the comma separated example you gave of
SELECT * FROM a, b WHERE b.id = a.beeId AND ...
is selecting every record from tables a and b with the commas separating the tables, this can be used also in columns like
SELECT a.beeName,b.* FROM a, b WHERE b.id = a.beeId...
Fastest Way to Find Distance Between Two Lat/Long Points
...ate a SPATIAL index on these points
Use MBRContains() to find the values:
SELECT *
FROM table
WHERE MBRContains(LineFromText(CONCAT(
'('
, @lon + 10 / ( 111.1 / cos(RADIANS(@lon)))
, ' '
, @lat + 10 / 111.1
, ','
, @lon - 10 / ( 111.1 / cos(RADI...
MySQL connection not working: 2002 No such file or directory
I'm trying to set up WordPress. I have Apache and MySQL running, and the accounts and database are all set up. I tried to make a simple connection:
...
How can I view live MySQL queries?
... As far as I can tell, there is no way to trigger anything on a SELECT statement. Triggers only apply to INSERT, UPDATE, DELETE... or am I misinformed?
– gabe.
Dec 8 '11 at 21:14
...