因为ENSEMBL发布的大多数数据库以及软件都是基于perl的，尤其是分量很重的VEP，所以即使你再如何如何的讨...
check if object is $null Check if OS is 32bit or 64bit check If Process Is Running in another computer Check if SMB1 is enabled on the AD servers Check if string contains invalid characters Check if string starts with letter/character. check installed memory with physical memory Check networ...
=operator to check if a string is not empty. $str="";if(length($str) != 0) {print"String is not empty\n";}else{print"String is empty\n";} Output: Stringisempty #Using the length Function in Perl Another approach to check for empty strings in Perl is by utilizing thelengthfunctio...
pmcheck checks that Perl is correctly set up for Perl modules. For now, pmcheck just verifies that the entries in @INC are existing readable directories. SEE ALSO
If you want to check if the directory the script/program is currently in contains a subdirectory, you can use the trick I demonstrate below - where I check if there's a subdirectory called "Windows". In PowerShell, the namespace "System" doesn't have to be typed in explicitly, so you...
perl: warning: Please check that your locale settings: LANGUAGE="en_HK:en", LC_ALL=(unset), LANG="en_HK.UTF-8"are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). debconf: delaying package configuration, since apt-utilsisnot installed ...
Knowing your Python version can make the difference between an application running or frustratingly failing. Thankfully, there is a quick command, and even some Python script, to check your currently installed Python version. Find out all you need to kno
是不是 拼错了？检查系统是否有新的硬件或软件安装
(s) to be installed: "/root/.ssh/id_rsa.pub" /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the...
As reportedon a Russian security forum, it was an attempt to “serve” the system with an obfuscated perlBot backdoor. If you are running an Apache server, this command – [root@server ~]# grep cgi /var/log/httpd/access*|egrep “};|}s*;” ...