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Is there a use-case for singletons with database access in PHP?
...y the users that can use that feature properly, confidence in the app lost etc.
– bogdancep
Oct 7 '18 at 14:39
...
Cookies vs. sessions
... reach and get your information (because of 1)
Expiration can be set (see setcookies() for more information)
Session is preferred when you need to store short-term information/values, such as variables for calculating, measuring, querying etc.
Cookies is preferred when you need to store long-term...
Recommended Vim plugins for JavaScript coding? [closed]
...es using your favorite package-manager (Ubuntu's apt-get, Mac's home brew, etc.):
exuberant-ctags
NOTE: After installing make sure running ctags actually runs exuberant-ctags and not the OS's preinstalled ctags. You can find out by executing ctags --version.
node (Node.js)
Clone DoctorJS from ...
PHP: Storing 'objects' inside the $_SESSION
...ve more complexity: network-attached memory, a stand-alone session server, etc.
Given all that, the more info you put in the session, the bigger the impact on performance (as Vinko points out). Also as Vinko points out, if your object isn't serializable, the session will misbehave. So, as a rule o...
廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ster用户的的UID和GID相同在两台节点上分别执行：
cat /etc/passwd | grep hacluster
结果相同即可
5.2配置heartbeat
在从节点上也作同样的操作
配置主节点的heartbeatHeartbeat的主要配置文件有ha.cf、haresources、authkeys，均在/etc/ha.d目录 ...
When to use self over $this?
...context (are we in an object-context already? Are we outside of an object? etc).
Is there an API to get bank transaction and bank balance? [closed]
...vide both authentication API for several banks and REST-based transaction fetching endpoints.
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What are the disadvantages of using persistent connection in PDO
... (Apache for mod_php, the current FastCGI process if you're using FastCGI, etc), not at the PHP level, and PHP doesn't tell the parent process to let the connection die when the script terminates abnormally.
If the dead script locked tables, those tables will remain locked until the connection dies...
MySQL query to get column names?
...lumn type, whether the column is nullable, max column size, character set, etc)...
Oh, and it's standard SQL (Whereas SHOW ... is a MySQL specific extension)...
For more information about the difference between SHOW... and using the INFORMATION_SCHEMA tables, check out the MySQL Documentation on I...
Why do people say that Ruby is slow? [closed]
...Nginx, SQLite, MySQL, PostgreSQL, many parsing libraries, RMagick, TCP/IP, etc are C programs used by Ruby. Ruby provides the glue and the business logic.
What are your options as a Ruby
programmer if you want to deal with
this "slowness"?
Switch to a faster language. But that carries a c...