...icode library for mundane tasks like string length, capitalization status, etc. Never use standard library builtins like is_alpha unless that is the definition you want. I can't say it enough: never iterate over the indices of a string if you care about correctness, always use your unicode library f...

... are many other types of nodes (text nodes, comment nodes, document nodes, etc...). The DOM consists of a hierarchy of nodes where each node can have a parent, a list of child nodes and a nextSibling and previousSibling. That structure forms a tree-like hierarchy. The document node would have its...

...they're logged in (if necessary; not necessary for signin, password reset, etc.), and then does a role check (if your app needs this). If they are not authenticated, send them to the sign-in page. If they are authenticated, but fail a role check, send them to an access denied page. I call this servi...

...o be trained for supervised learning tasks like classification, prediction etc. or for unsupervised learning tasks like clustering. During the training step, the algorithms are taught with a particular input dataset (training set) so that later on we may test them for unknown inputs (which they hav...

...ng similar issues, adding FollowSymLinks to your {username}.conf file (in /etc/apache2/users/) did the trick for me. So the file looks like this: <Directory "/Users/username/Sites/"> Options Indexes MultiViews FollowSymLinks AllowOverride All Order allow,deny Allow from all </Direc...

...gc_probability=0 by default in the configuration, and is instead done via /etc/cron.d/php, which runs at XX:09 and XX:39 (that is, every half hour). This cron job looks for sessions older than the session.gc_maxlifetime specified in the configuration, and if any are found, they are deleted. As a con...

...//downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | sudo tee /etc/apt/sources.list.d/mongodb.list Get the 10gen package. sudo apt-get install mongodb-10gen Then pick your version if you don't want the most recent. If you are setting your environment up on a windows 7 or 8 machine s...

... flavors. \w includes letters with diacritics, letters from other scripts, etc. – Jan Goyvaerts Dec 3 '08 at 7:45 4 ...

...o run a huge number of processes or to create and destroy them frequently, etc. But the GIL weighs heavily on the balance toward processes, in a way that isn't true for, say, C or Java. So, you will find yourself using multiprocessing a lot more often in Python than you would in C or Java. Meanwh...

Debian/Linux下安装OpenJDK8linux_install_openjdk8因为Debian11的源里不再带OpenJDK8了，需要手工来安装。下载安装包因为手工安装，所以部分依赖包需要自己下载。wget http: snapshot debian org archive debian-security 202202 因为Debian11的源里不再带Open...