一个朋友介绍的,没试过
因为Drupal 8, 所以又要多学一种PHP框架。
1. 更适合手机显示
这个网站有很多优秀摄影师的作品,很美!很享受!
http://500px.com
他创建了一个汉字字源网站,在上面你可以搜到几乎每一个汉字的演变过程,甲骨文、小篆、金文,繁体字、简体字。
Mac用久了变慢,据说这个方法可以加快速度,详见官方说明:
http://support.apple.com/kb/HT1379?viewlocale=zh_CN&locale=zh_CN
mysql运行久了会放很多日志文件在/var/lib/mysql下,每天几百M,很快会填满硬盘,可以用下面方法清空日志:
shell> mysql -u username -p
mysql> PURGE BINARY LOGS BEFORE '2009-05-01 00:00:00';
Reference: http://systems.takizo.com/2009/08/23/how-to-remove-mysql-binary-log/
A friend of me asked me long time ago: "How can I have a ranking on a result with MySQL?". Now I found some time to write it down:
Lets do first some preparation for the example:
CREATE TABLE sales (
id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY
, fruit VARCHAR(32)
, amount DECIMAL
);
INSERT INTO sales
VALUES (NULL, 'apple', 12.75), (NULL, 'orange', 1.89), (NULL, 'pear', 19.23)
, (NULL, 'banana', 4.25), (NULL, 'cherry', 123.75), (NULL, 'plum', 23.15)
;
Now lets query:
今天尝试在Ubuntu 12.04下使用Oprofile,但由于软件依赖问题失败了。查了一下,说Oprofile不再被Ubuntu支持,原因之一是有替代品perf,用了一下,不错!
thread <thread ID>
thread ID是1,2,3,4...
Reference: http://blog.163.com/tlost_heaven/blog/static/792461222010119104649474/
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