toby considine

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Basic application of the SED of the Three Musketeers of Linux

SED: The second of the Three MusketeersImplement add to file delete Modify query filterCommand format: SED option sed built-in command file-I.-E-NAIDPSGCreate a file Tobedu.txt, enter the content, and take this file as an example.[Email protected] ~]# cat-n tobyedu.txt1 I am Toby teacher!2 I like badminton Ball, billiard ball and Chinese chess!3 Our site is tobyedu.com45 my QQ num is 12345678. Print 2 to 4 lines[Email protected] ~]# sed-n ' 2

Ubuntu environment uses vagrant to build a virtual development environment

Vagrant is a tool for building a complete virtual development environment, usually abbreviated to VDE (virtual development environment).Vagrant saves a lot of time in rebuilding the operating system environment, it is also a configuration center that allows you to manage and deploy multiple VDE using a single configuration.While installing vagrant, you also need to install VirtualBox as it is the core function of vagrant.1, installation VirtualBoxsudo apt-get install VirtualBox2. Vagrant is a ru

python--decorators (two different usage scenarios)

Tag:__name__reterror ... ormforfalse support #例子, add validation function to Show_name () function by adorner #version1 #普通函数不带参数, adorner with parameter Defauth (func): #print (func.__name__) #通过打印这个结果得知, Show_name function was passed in defauth_decorator ( USER,NBSP;PWD):u= "Toby" p= "1qaz#edc" ifuser ==u:ifpwd== p:print ( "Authdone ...") func () #所以形式参数func等价于show_name () else: Print ("passwordError ") else: print ("Notfounduser") returnauth_

Python design pattern--Singleton mode

, such as the Task Manager under WindowsSecond, the analysis of the __new__#classdemo:#def__init__ (Self,name):# self.name=name##defshow_ Name (self): #print ("nameis:{}". Format ( self.name)) ##if__name__== ' __main__ ': ##d=demo ("Toby") #d.show_name () "refers to the description of the great God: This is the most common use of __init__. But __init__ is not actually the first method to be called when instantiating a class. when using an expression

Web Design Theory: the establishment of a recommended product page

person who participates in the evaluation to the graph and examines the distance between them. The X and Y axes represent the film Dupree and Snake respectively, whereas in the first quadrant preference space is the score of each of the two films. It's not hard to find out that Toby scored 4.5 and 1.0 on the two films of Snakes and Dupree, while LaSalle were 4.0 and 2.0. According to Euclid's conclusion, the more similar the preference, the shorter

[Publishing live] "Collective smart programming" starts reservation on the Internet

Collective Smart Programming Basic Information [Price evaluation] (0 in total) participate in comments [Author] Toby segaran [same author's work] [Translator's introduction] [Translated by] Mo Ying; Wang Kaifu [same translator's work] [Release news agency] Electronic Industry Publishing House [book no.] 9787121075391 [Publication date] January 2009 [start] 16 open [Page code] 1 [version] 1-1 [Content

Seven fables worth collecting

some miracles. However, in my opinion, Mao zhengqiang, a consultant at the Dongguan hengyuan Psychological Counseling Center, said, "It is far more important to make good use of existing capabilities by planning ."(4) An escape fable: the tricks of the kitten escaping from the shadow"Shadows really hate it !" Tom and Toby both think like this: "We must get rid of it ."However, wherever you go, Tom and Toby

[Change] 7 psychological predictions

saved by some miracles. However, in my opinion, Mao zhengqiang, a consultant at the Dongguan hengyuan Psychological Counseling Center, said, "It is far more important to make good use of existing capabilities by planning ." (4) An escape fable: the tricks of the kitten escaping from the shadow "Shadows really hate it !" Tom and Toby both think like this: "We must get rid of it ."However, wherever you go, Tom and

"Turn" seven psychological fables for a lifetime

, in my opinion, Mao Zhenjiang, a consultant at Dongguan Heng Yuan Psychological counseling Center, said more correctly, "it is far more important to make use of the existing capacity by planning than to tap into what is called potential." ”(iv) Evasion of the parable: the kitten escaped the shadow of the tricks"The shadow is so annoying!" "Kitty Tom and Toby think so," we must get rid of it. ”However, wherever we go, Tom and

Tips for blogging locally

name of the computer you're logged into, and what you do when you install Windows Live WriterUsers of the system, I am not using other users, default is AdministratorSo my position is C:\Users\Administrator\Documents\My Weblog PostsBut I checked, I installed the computer right-click on My Documents, changed the default location d:\ My Documents can right click on My DocumentsCheck the location to see if there have been any changes.So my position is d:\ my document \my Weblog PostsI used to take

Seven "turn" of the psychological fable

source of his greatest joy and pain. Remember: The external evaluation system is often a family inheritance, but you can completely break it, from now on to cultivate their own internal evaluation system, so that learning and work into "play for themselves." (iv) Evasion of the parable: the kitten escaped the shadow of the trick "the Shadow is really annoying!" "Kitty Tom and Toby think so," we must get rid of it. However, wherever we go, To

Awesome Random Forest

, CVPR 2015 feature-budgeted Random Forest [Paper] [Supp] Feng Nan, Joseph Wang, Venkatesh Saligrama, feature-budgeted Random Forest, ICML 2015 Bayesian forests [Paper] Taddy Matthew, Chun-sheng Chen, June Yu, Mitch Wyle, Bayesian and empirical Bayesian forests, ICML 2015 Mondrian forests:efficient Online Random forests [Paper] [code][slides] Balaji Lakshminarayanan, Daniel M. Roy and Yee Whye Teh, Mondrian forests:efficient Online Random

A new generation of designers must have 24 survival app

senior designer Toby Milner-gulland, ATOM's versioning options and the power of power make it an indispensable partner. AXURE This is a cross-platform application, as well as a Web page prototyping authoring tool. Why must I download it? "axure is our prototype tool,"zappos's UX designer, Jason Broughton, said, "It helps us quickly build prototypes to test, build files, and help us give investors briefings." The group reporting featur

"mysql Optimization topic" This is probably one of the best MySQL Optimization starter articles (1)

. After the parse tree, can not be executed immediately, which also need to pre-processing the tree, that is, this tree, I did not go through any optimization of the tree, the preprocessor will be this tree for some preprocessing, such as the constant place, if there is a calculation of things, calculate the results of the calculation and so on ...6. After the pretreatment, we get a tree that is relatively standard, this tree is to take to do the execution of the tree, compared to the previous t

Oracle partitioning, indexing, testing (2)

, sum (bytes) bytes from dba_data_files group by tablespace_name) a, (select tablespace_name, sum (bytes) bytes, max (bytes) largest from dba_free_space group by tablespace_name) B where. tablespace_name = B. tablespace_name order by (. bytes-b.bytes)/. bytes) desc --- whether the tablespace is auto-incrementing select file_id, file_name, tablespace_name, autoextensible, increment_by from dba_data_files order by file_id desc; --- the table size Select Segment_Name, Sum (bytes) /1024/1024 compari

Ansible Test for API 2.0

, stdout_callback=results_callback, # use a custom callback instead of the "default" callback plug-in (if the Stdout_callback parameter is not required to output by default) ) result=tqm.run (play) finally: iftqmisnotnone:tqm.cleanup ()It's mine.. The contents of the/conf/hosts file are as follows:[Cephnode]192.168.89.136Attention:If inventory is not explicitly specified (the following parameters), the hosts will be read from the/etc/ansible/hosts by defaultSources=['. /conf/hosts ']To add, jus

Seven top mental predictions (deep in your mind)

it! "Tom and Toby both think like this," we must get rid of it. " However, wherever you go, Tom and Toby find that when there is sunshine, they will see their own shadows that drive them crazy. However, Tom and Toby finally found their respective solutions. Tom's approach is to always close his eyes. Toby's approach is to stay in the shadows of other things fore

"Python"-"class parsing"--"script instance"

Through the script case, the application of several concepts of class in Python in the script is analyzed.The script is as follows:++++++++++++++++++++++++++++++++++++++++#!/usr/bin/env python#-*-Coding:utf8-*-class MyClass (object): #定义类message = "Hello, Developer" #定义类的成员变量def Show (self): #类中的成员函数, must take parameter selfPrint Self.messageprint "Here's%s in%s!" % (Self.name,self.color)@staticmethod #定义静态函数装饰器def printmessage (): #定义静态函数, can be called directly through the class nameprint "Pr

MySQL optimization-Optimization introduction and implementation steps of MySQL optimized for getting Started

parse tree , cannot be executed immediately, this also need to preprocess The tree, that is, this tree, I did not go through any optimization of the tree, the preprocessor will this tree for some preprocessing, For example, where constants are placed, if there is something to calculate, calculate the results of the calculation and so on ...6. after the pretreatment, we get a tree that is relatively standard, this tree is to take to do the execution of the tree, compared to the previous tree, th

Don't be afraid, take your hand and rip, pull, tear down Springmvc's coat

the breakpoint hit the method of the controller@RequestMapping ("/test")Model.addattribute ("msg", "Hello Toby");return "Hello";}And go on.Default view nameApplydefaultviewname (Request, MV);br/> What's the use of this default view name? Do we have a situation where we have a direct return model but no view, for example@RequestMapping ("/value2")Error: Circular view path [value2]: would dispatch back to the current handler URL [/value2] AgainAt this

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