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Importurllib.requestimportosimportos.pathimportredefdir (dir_name= "Images"): "" "Set the picture to save the directory, based on the current program run Directory" "" ifos.path.isdir (dir_name): os.chdir (Dir_name) else: os.mkdir (Dir_name) os.chdir (dir_name) defsaveimage (img,url): "" "Save Picture Method" "" respones=urllib.request.urlopen (URL) image= Respones.read () withopen (img, "WB") asf: f.write (image) Defgeturl ():page_list=[] "" can use a list deduction, here is the main defini

=name) the + defMain (number): -URL ='http://jandan.net/ooxx/page-' $headers = {} $Queue =Queue.queue () - - #Crawling from the newest page, the default crawl of the latest 10-page picture, the number-10 to 1 to crawl all the pictures of the page. the forIinchXrange (number,number-10,-1): -Queue.put (url+str (i))WuyiThreads = [] theThread_count = 10 - Wu forIinchRange (thread_count): - threads.append (Jiandan_ooxx (queue)) About $ forTinchThreads: - T.start () - forT

=Os.GETCWD ()+'/img 'IfNotOs.Path.ExistsDirpath):Os.mkdirDirpath)#下载图片nu=Input' How many pages do you want to get (about 21 pictures per page): ')Nowpage=Getimg () [0]PrintNowpage)?ForNInchRangeintNowpage)-intNU),intNowpage)):Print' Get page%s '%N?ForIInchGetimg ('/page-%s '%N): Print' Downloading the%s picture '%Ak=R '/HTTP '+IPrintKUrllib.Request.Urlretrieve (K' img/%s '%I.Split‘/‘)[-1])a+=1‘‘‘Try#urllib. Urlretrieve (i, ' img/%s '%str (i) [ -8:-1])Urllib.urlretrieve (i, ' img/%s.png '%a)A+=1E

than one row to replace, you need to replace the tag3, if you want to locate a special character, you must use "\" or "[]" to block its special meaning======================== Script ==========================Script: The sed script is a list of SED commands written in the file, with the-f option to boot the script file name when starting sed.How the script works:When executing a script, sed first copies the first line of the input file into the pattern space and then executes all the commands i

')) + ExtensionName,'WB') as F:#headers[' Host ']= ' wx3.sinaimg.cn 'F.write (Requests.get (URL, headers=self.pic_headers). Content) F.close () l.release ()defRun (self): while notself.url_manager.isEmpty (): Imgurl=Self.url_manager.getNewUrl () self.download_img (Imgurl) self.url_manager.addOldUrl (Imgurl)" "URL repository, providing URL updates and logging capabilities" "classUrlmanager:def __init__(self): self.url_used=[] Self.url_target=queue. Queue ()ifOs.path.exists ('Url.txt'): With open

# 99 Multiplication Table# method One# for I in range (1, 10):# for J in range (1, i+1):# print (' {}x{}={}\t '. Format (i, J, I*j), end= ")# print ()# method Two,# print (' \ n '. Join (['%s*%s=%-2s '% (j,i,i*j) for J in Range (1,i+1)])-For I in range (1,10)])## method Three,# print (' \ n '. Join ('. {}*{}={} '. Format (i,j,i*j) for I in Range (1,j+1)])# for J in Range (1,10)))# method Four rectangular full format output 99 multiplication table# for I in Range (1,10):# for J in Range (1,10):#

Chrome Debugging Tips Online A lot of introduction, here to mention two people feel more useful:1, Console.logPros: You can output a JSON object, not a string, which is not available to alert ()Cons: Remember to delete, otherwise in the lower version of the browser will be error2. Syntax hintsJS is really prone to spelling mistakesIn JS the first line to add this sentenceThe use of JS introduced, there will be syntax hints, very practicalDenial of egg

() Submit a local modification request to an HTML page Requests.delete () Submit a delete request to an HTML page The Requests.get () method is explained in detail belowRequests.get (Url,params=none,**kwargs)URL: Get URL link for pageAdditional parameters in Params:url, optional**kwargs:12 Parameters for control accessLet's leave a suspense and talk about it later.The following describes a common code framework for crawling Web pages:Look at the code:1 " "Generi

In the process of learning, found a sense of C language design is not very good place, that is, when the free memory failure. I caused the error because the dynamic memory is out of bounds, the compiler has to give the free () function error, It feels like a little unbearable. should be in the design of the first time to expose the problem to that crossed the place, otherwise it will make people inexplicable, difficult to find mistakes, for this waste time and energy.The other is about the TXT f

attributes positioningSame as CSS positioning the same as our Tag property selector input[name='N1') when used in combination with ID, class, it is easier to write the class INPUT.C1 ID input#i15. CSS Selector provides multi-attribute combination filteringCSS Selector Multi-attribute combination selection filter without and only need multiple [] connections can select[name='city' [size='4'] [multiple="multiple"]6, the same CSS selector also support hierarchical relationship positioningDifferent

Activity End Time: 2015.10.31 number Oh, friends of Taobao friend go to try Oh. 1, to Baidu search "Taobao kiss" Download and installed in the computer, and then open login Taobao Kiss, and then click "Start looking." As for the location of the kissing and smashing golden eggs: 2, then we open Taobao kiss the interface will see "Information", "Good goods", "shop", "my" every page to find golden eggs, golden eggs will be hidden anywhere! After discovering the golden eggs, click on it.

The advantages of Spa single page application is of course undeniable: cool effect, I in the vision and products in front of no retort; high performance speed, all JS of course fast, I am in the transport and peacekeeping products in front of speechless; Operation dispersed, asynchronous loading, and provincial hardware and traffic, I in the development and products before the total surrender; JS front and rear end, A person doing a station job--on this, I cry like a child in front of the boss,

mkdir-p $outputfi The Modified code:if [!-D $output]then mkdir-p $outputfiSee the difference? There should be a space between $output and]!!error Four:date not recognizedWhen executing the./hive_game_operationstatis6.sh script, the error is as follows:Analysis:In the shell script, I wrote:output= '/tmp/statis_suspendedwindowstatis ' $datefile _name1= ' statis_suspendedwindowstatis1 ' $date '. txt 'Error display refers to "fuzzy redirection" when called!Single from the error messag

In order to attract users and increase sales, many e-commerce websites occasionally offer electronic coupons. Consumers can get discounts after a certain amount of purchased goods. However, Ms. Shen was in a bad mood by The New egg net coupons these days. A few days ago, xineg.com launched the "email exclusive time" activity. "The first 2000 users click to get one copy of the mysterious egg coupon." You ca

Unzip can do it.Because the project needs to package some versions of the library, it is then sys.path.insert to refer to it (avoiding the upgrade package causing some old systems to collapse).When the egg file is packaged, discovery is not available. But the __path__ property of the relevant module shows that the content is inside the egg, so it's possible that this is just a compressed package.Google for

Summary Is there a chicken first or an egg first? This is an interesting question.The most interesting part of this question is that if you say you have a chicken first, people will ask how the chicken came from? Hmm ...... The chicken is hatched with eggs. Is there an egg first? Then people will ask why the eggs came from? The egg is a chicken. Is there a c

General third-party components are in the form of an egg file, install the egg file needs to install the setuptools tool,:https://pypi.python.org/pypi/setuptools/, After the download is complete, double-click Msvc-build-launcher Compile. To see if the installation was successful: Enter the Scripts folder under your Python installation path (my c:\\python27) to see if there are easy_install.exe files, and th

Before in the Fish C Forum, see a lot of people are using Python to write crawler climbing egg Nets sister map, I also wrote, climbed a lot of sister pictures. Later, the egg net to the sister map of the Web page to improve the image of the address of the encryption, so the people in the Forum often asked how to request the page no link. This article is about the fried