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Crawled the phone with PYTHON+BS4 data:Importurllib.request fromBs4ImportBeautifulSoupdefspider1 (URL): Headers= {'user-agent':'mozilla/5.0 (Windows NT 6.1) applewebkit/537.11 (khtml, like Gecko) chrome/23.0.1271.64 safari/537.11', 'Accept':'text/html;q=0.9,*/*;q=0.8'} opener=Urllib.request.build_opener () opener.addheaders=[headers] Source_code=opener.open (URL). Read () Soup=beautifulsoup (Source_code,"Html.parser", from_encoding="GBK") forLinkinchSoup.find_all ('DD'): BaseURL=r'http://

implicit prototype __proto__ of the instance does not point to the overridden prototype object, so it cannot be calledAnother problem, if there is a reference type on the prototype object (prototype), be careful, because multiple instances share the prototype object, so long as one instance changes the value of the reference type, all other instances receiveThe result after the change .1 functioncreateobj () {}2Createobj.prototype = {3Name: ' GHOSTWU ',4Skills: [' php ', ' JavaScript ',

()); Out.close (); } return false; } return true; } @Override Public voidPosthandle (httpservletrequest request, httpservletresponse response, Object handler, Modelandview Modeland View)throwsException {Super. Posthandle (Request, response, Handler, Modelandview); } @Override Public voidaftercompletion (httpservletrequest request, httpservletresponse response, Object handler, Exception ex) throwsException {//TODO auto-generated Method Stub Super

information./root: The user's home directory./bin/bash: User default shell.Here x is the password placeholder, in fact, the system has a dedicated password file is/etc/shadow, through VI or nano can modify the contents of the file to increase user information.2,/etc/shadow[Email protected] ceshi.1]# Cat/etc/shadowRoot:$1$pxlwfzxg$3qmzsg0fc1kggbswxbxtu1:17126:0:99999:7:::Bin:*:15980:0:99999:7:::Daemon:*:15980:0:99999:7:::Adm:*:15980:0:99999:7:::Lp:*:15980:0:99999:7:::Or take the first root as an

1, for the single-core CPU, the threads are alternately executed, the multi-core CPU is executed concurrently.2. Two ways to parse the data: XML and JSON.XML Extensible Markup Language, which is a data interchange format, is generally divided into two kinds of dom and sax parsing.Dom parsing: The entire data as a DOM object, they read into memory at once, power consumption, the resolution is low.Sax parsing: Sax uses a stepwise analytic approach, taking up small memory, characterized by convenie

static inline void Onidlethreadasync (void (^block) ()) {if (![ Nsthread Ismainthread]) {block (); Return } static Nsoperationqueue *queue; Static dispatch_once_t Oncetoken; Dispatch_once (oncetoken, ^{queue = [Nsoperationqueue new]; }); Cfuuidref uuidref = cfuuidcreate (NULL); Cfstringref uuidstringref = cfuuidcreatestring (NULL, uuidref); Cfrelease (UUIDREF); NSString *uuidvalue = (__bridge NSString *) uuidstringref; NSString *name = [NSString stringwithfor

If you want to add a column to a table that has already been built, you can use the following example:ALTER TABLE t1 add column addr varchar (a) not null;This statement adds a column of addr to the existing table T1, which is the last column in the table. If we want to add a column in the specified, you can use:ALTER TABLE t1 add column addr varchar (NO) null after User1;Note that the above command means adding addr to the column after User1. If you want to add to the first column, you can use:A

One:Create a new Maven WebApp project and join the dependencies of spring sessionPom.xml as follows:Two:Configuring the Redis Environment1: Install Redis, start2:Package Com.lala.config;import Org.springframework.context.annotation.bean;import Org.springframework.data.redis.connection.jedis.jedisconnectionfactory;import org.springframework.session.data.redis.config.annotation.web.http.enableredishttpsession;@ Enableredishttpsessionpublic class Sessionconfig {@Beanpublic jedisconnectionfactory co

is imported.See if the library has been lost is also to pay attention to, generally will be lost every time.Basic operation of 5.bashBecause of the engineering cause of debugging when the need to copy files overwrite other files, such as XML, such as the overwrite, this operation two times is OK, but the number of times is also very annoying, so write a bash or py is very convenient, declare I am just a rookie.The previous bash or py to the file before the addition of/usr/what, now do not.With

development process may misunderstand that all C # related will all be converted to Java-related (because the habit of Android is developed by Java), so it may be misunderstood as Java.Lang.Exception = System.Exception, At least it is possible to think of the two as equal in effect.But after testing, the two are very different in effect, the above example code, the first button event can not catch the exception, and the second button event to catch the exception, the first button will throw unc

Sometimes you need to package a properties file inside a library that contains some configuration information and cannot be deployed externally.In the MAVEN project, place the properties file under the Src/main/resources directory. will be automatically packaged into the classes directory.Then in the jar package code to read this file, you can use code similar to the following:[Java]View Plaincopyprint? Public class Client { Private final sta

#include Sort the place names by the name of the ground character.

DOCTYPE HTML>HTML>Body>Script>functionPerson (Firstname,lastname,age,eyecolor) { This. FirstName=FirstName; This. LastName=LastName; This. Age=Age ; This. Eyecolor=Eyecolor; This. ChangeName=ChangeName;functionChangeName (name) { This. LastName=name;}} Mymother=NewPerson ("Sally","Rally", -,"Green"); Mymother.changename ("Doe");d ocument.write (mymother.lastname);Script>Body>HTML> Source: http://www.w3cschool.cc/js/js-objects.htmlThere is a sentence do not understand ah ~ Why to this.changena

1. This function in the phone "phone", we click on the desktop Phone icon opened into the. 2. After entering, we then click the three point in the upper right corner ... "menu" and then find "set" to enter. 3. In the Open setting function we click on "Call" to open the entry, the details are shown below. 4. After the success of the setup, we will find "Caller ID". 5. The "Start number locator" can be ticked. When the above operation is

The simplest and most useful jquery tab DIV+CSS can place an unlimited number of tabs within a page HTML section: If you have more words, you can do so. JS section: function Ntabs (thisobj,num) { if (Thisobj.classname = = "Curr") return; var tabobj = thisObj.parentNode.id; var tablist = document.getElementById (tabobj). getElementsByTagName ("span"); For (i=0 i The last thing is to call jquery at the top of the page, now test version 1.32 is n

Because some reasons need to cooperate with schoolmate to do a half public service nature of website, no website development experience (currently doing is a simple parse XML database work), in order to not drag behind, so first look at the back-end of PHP knowledge, but helpless front-end things really too miscellaneous too much, do not know where to look, So Baidu, found the http://www.w3school.com.cn/this place is really good. Recommend it to the c

pairs appear in the HTML can use this attribute, this is the same as innerHTML, such as Add: Just now I tried, innerhtml this property is readable and writable, previously I know innerhtml can insert content on the node, but this attribute is also readable, that is to say innerHTML is stored in the HTML content of the node; Look at the following code to fully understand: Copy Code code as follows: Safdsdaf Place on time Ab

Reproduced from [http://blog.sina.com.cn/s/blog_97db34e801016wsp.html] 1, how to use the \cite command at the same place paper multiple documents. With \cite{bibtex1}\cite{bibtex2}\cite{bibtex3}, the text referenced at the beginning of the compilation shows [1][2][3];With \cite{bibtex1,bibtex2,bibtex3}, the text referenced at the beginning of the compilation shows [1,2,3];How to display [1-3] when the source of the reference is shown in the text.\use

a story that joins the previous episode, and the story has an ID for the forum. This is not just a participatory activity. But also is the Forum member emotion Exchange. 6. Set the benchmark The Forum also needs idols. and moved through the Forum points activities selected first to achieve the highest level of membership upgrade to Seohu Supreme member, enjoy the highest degree of SEO Interactive Forum honor. This activity has made members realize that they have the opportunity to be honored

Article Description: fastidious-taking stock of five e-commerce sites, "Sanitary Corner". Neglected places in life because the lack of timely cleaning will become a health corner, a website is the same, up to the end of the years I carry forward the spirit of entertainment to take stock of several major E-commerce site Health Corner-that is, user experience, UI design, content operations do not in place. № 1: Amazon Mall Amazon (Amazon.co