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Best way to check if a URL is valid
...at FILTER_VALIDATE_URL will not validate the protocol of a url. So ssh://, ftp:// etc will pass.
– Seph
May 10 '14 at 14:03
3
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Why do we use Base64?
... They data may even be destroyed in transit. For example many FTP programs rewrite line endings from 13,10 to 10 or via versa if the operating system of the server and client don't match and the transfer is flagged as text mode. FTP is just the first example that came to my mind, it is ...
Differences between numpy.random and random.random in Python
...nswered Aug 11 '11 at 18:25
you cad sir - take thatyou cad sir - take that
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区块链技术到底是什么鬼，为何被疯炒？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...几个节点的权利和义务都是均等的，而且每一个节点都会储存这个区块链上所有数据。即使该节点被损坏或遭受攻击，仍然不会对账簿造成任何威胁。同样地，当发生一笔交易时，全世界的用户都可以担当监管者的角色，如果大...
Exploitable PHP functions
...- 2nd parameter is a path.
imagegd2 - 2nd parameter is a path.
iptcembed
ftp_get
ftp_nb_get
// read from filesystem
file_exists
file_get_contents
file
fileatime
filectime
filegroup
fileinode
filemtime
fileowner
fileperms
filesize
filetype
glob
is_dir
is_executable
is_file
is_link
is_readable
is_up...
Regular expression to match URLs in Java
...s well as a proper string beginning placeholder.
String regex = "^(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]";
This works too:
String regex = "\\b(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]";
Note:
String regex = "<\\...
When to use Spring Integration vs. Camel?
...xternal parties which usually requires format conversions sending it using ftp/sftp/... or attaching it to an email and sending it out.
We found the edit-compile-debug cycle reduced. Using groovy to experiment setting up routes are added bonuses.
Spring-Integration is a great product too, and I am...
linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...T
[root@tp ~]# iptables -A INPUT -p tcp --dport 25 -j ACCEPT
如果做了FTP服务器,开启21端口
[root@tp ~]# iptables -A INPUT -p tcp --dport 21 -j ACCEPT
[root@tp ~]# iptables -A INPUT -p tcp --dport 20 -j ACCEPT
如果做了DNS服务器,开启53端口
[root@tp ~]# iptables -A INPUT -p t...
Deciding between HttpClient and WebClient
...ce there are things like report progress, custom URI scheme and making FTP calls that WebClient provides — but HttpClient doesn’t.
+--------------------------------------------+--------------------------------------------+
| WebClient | ...
How do you validate a URL with a regular expression in Python?
...?:(?:(?:[a-zA-Z\d$\-_.+!*'(),]|(?:%[a-fA-F\d]{
2}))|[;:@&=])*))?)?)|(?:ftp://(?:(?:(?:(?:(?:[a-zA-Z\d$\-_.+!*'(),]|(?
:%[a-fA-F\d]{2}))|[;?&=])*)(?::(?:(?:(?:[a-zA-Z\d$\-_.+!*'(),]|(?:%[a-
fA-F\d]{2}))|[;?&=])*))?@)?(?:(?:(?:(?:(?:[a-zA-Z\d](?:(?:[a-zA-Z\d]|-
)*[a-zA-Z\d])?)\.)*(?:[a-zA-...