cyber irb

package download address Local DownloadsSee: https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/41808Workaround: Copy Code code as follows: # CD ruby-2.0.0-p247 # wget--no-check-certificate https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/41808/raw/ext/ Openssl/ossl_pkey_ec.c # wget--no-check-certificate https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/41808/raw/test/ Openssl/test_pkey_ec.rb # MV EXT/OPENSSL/OSSL_PKEY

Skype cocould provide botnet controlsSkype provides botnet Control By Joris EversAuthor: Joris EversTranslation: endurerVersion 1st Keywords: VOIP and IP Telephony | Security Threats | hacking | spam and phishing | viruses and worms Keywords: VOIP and IP Telephony | Security Threats | hacking | spam and phishing | viruses and worms Http://techrepublic.com.com/2100-1009_11-6031306.html? Tag = NL. e044 Takeaway:Net phone services cocould allow cybercriminals to launch attacks without being detecte

yearsscripting language, interpretive, object-oriented, dynamic typeNow that the Ruby version installed on my machine is 2.1, you can use the following command to query:$ ruby-vRuby 2.1.4p265 (2014-10-27 revision 48166) [x86_64-darwin14.0]The specific installation does not do too much introduction, on the official website to consult the relevant information on different platforms, here is a simple exampleIRB (main):001:0> properties = [' good ', ' bad ', ' clever ', ' stupid ']= = ["Good", "ba

. OthersMultiple long integers are supported. The memory allows large numbers of computing operations.It has the exception handling capability and java exception handling function.Dynamic loading ). You can redefine yourself at runtime, or inherit or uninherit classes at runtime.Thread. Now ruby already has the thread concept. Ruby2.0 seems to support local threads.Reflection (Reflection ). Ruby can see the internal program, such as whether a module contains a specific method and the class of a

more powerful string match function, which does not require//To specify a regular expression, will default to the middle string as a regular expression, and has a return value, similar to the group on Java. can be accessed in a list-like manner:1Puts"The string has no digits"Unless"Hello, this is a test". Match ('[0-9]')2x ="This is a test". Match (/(\w+) (\w+)/)3X[0]# This is4X[1]# This5X[2]# is6X[3]#NilMatcharray:The initialization time does not need to specify the length, can direct a = [].

Empty? Whether the value of the object is emptyNil? Whether the object itself is emptyRB (Main):015:0>"'.Empty?=>trueIRB (main):016:0>"'.Empty?=>falseIRB (main):017:0>"".Empty?=>trueIRB (main):018:0>" ".Empty?=>falseIRB (main):019:0> Nil.Empty? Nomethoderror:undefined method 'Empty?' for Nil:nilclass from (IRB): From/usr/bin/irb:12:in ' IRB (main):020:0> nil.nil?

. #./Configuremake # Make # Install 3. Use (1). Use IRB. IRB is an interactive interface. Run it in shell. First, a prompt is displayed, waiting for input. After the user inputs it, It is processing and the result is displayed to the user. # IRBIRB (main): 001: 0> $ STR = "Hello world! /N"=> "Hello world! /N"IRB (main): 002: 0> Print $ StrHello world!=>

"The enemy, the Baizhanbudai, the unknown and the bosom friend, one wins a loss, does not know, does not have the bosom friend, every war will be dangerous." "Grandson (ancient Chinese military strategist)."The words of the grandson can still resonate with us today.Organizations can gain a foothold in the ongoing cyber-security battle only by understanding their enemies and their strengths and weaknesses. Do not raise awareness of the importance of ne

process have been different degrees of interruption, resulting in tens of thousands of of sites at the same time inaccessible situation, to the development of the Internet caused irreparable damage. Facing the network attack, the new network interconnection CTO Yang Guofu said: For network attacks, the new network interconnection is absolutely repugnant, because its impact is very large, on the new network interconnection, we have hundreds of thousands of of users, including domain names and vi

December 23, 2015 3:30, residents of the Ivanou-Frankovsk area in western Ukraine have finished their day's work and are heading towards the warm homes of cold streets. A year later, in Saturday (December 17, 2016), hackers again attacked Ukraine's state power sector, causing another massive blackout, which lasted about 30 minutes. Ukraine spicy beauty, hackers how can you bear to bully it? It seems that the hackers are bound to have trouble with Ukraine, must let them back to the original Ston

", "You"]%w can be parsed with double quotes. %i and%i An array of symbols. >>%i{a b C}=> [: A,: B,: c]>> w = "Love"=> "Love">>%i{"#{w}"}=> [: "\" Love\ "]Try_convert >> obj = object.new=> #>> Array.try_convert (obj)=> Nil>> def obj.to_ary>> [1,2,3]>> End=>: To_ary>> Array.try_convert (obj)=> [1, 2, 3]>> def obj.to_ary>> "Not a array!">> End=>: To_ary>> Array.try_convert (obj)Typeerror:can ' t convert Object to Array (Object#to_ary gives String)From (IRB