selenium with scrapy for dynamic page
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I\'mtryingtoscrapeproductinformationfromawebpage,usingscrapy.Myto-be-scrapedwebpagelookslikethis: startswithaproduct_lis......
Sort a list by multiple attributes?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihavealistoflists: [[12,\'tall\',\'blue\',1], [2,\'short\',\'red\',9], [4,\'tall\',\'blue\',13]] IfIwantedtosortbyone......
How do I convert seconds to hours, minutes and sec
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihaveafunctionthatreturnsinformationinseconds,butIneedtostorethatinformationinhours:minutes:seconds. Isthereaneasywayt......
How do I filter ForeignKey choices in a Django Mod
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: SayIhavethefollowinginmymodels.py: classCompany(models.Model): name=... classRate(models.Model): company=models.ForeignK......
Class method differences in Python: bound, unbound
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Whatisthedifferencebetweenthefollowingclassmethods? Isitthatoneisstaticandtheotherisnot? classTest(object): defmethod......
Comprehensive beginner's virtualenv tutorial?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I\'vebeenhearingthebuzzaboutvirtualenvlately,andI\'minterested.ButallI\'veheardisasmatteringofpraise,anddon\'thaveacl......
Difference between map, applymap and apply methods
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Canyoutellmewhentousethesevectorizationmethodswithbasicexamples? IseethatmapisaSeriesmethodwhereastherestareDataFra......
Python debugging tips [closed]
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: WhatareyourbesttipsfordebuggingPython? Pleasedon\'tjustlistaparticulardebuggerwithoutsayingwhatitcanactuallydo. Related......
Why does id({}) == id({}) and id([]) == id([]) in
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: WhydoesCPython(noclueaboutotherPythonimplementations)havethefollowingbehavior? tuple1=() tuple2=()......
Stop reading process output in Python without hang
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IhaveaPythonprogramforLinuxalmostlookslikethisone: importos importtime process=os.popen(\"top\").readlines() time.sleep(1)......
Behavior of exec function in Python 2 and Python 3
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: FollowingcodegivesdifferentoutputinPython2andinPython3: fromsysimportversion print(version) defexecute(a,st): b=42 ......
TypeError: Can't convert 'int' object
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IamtryingtowriteatextgameandIhaverunintoanerrorinthefunctionIamdefiningthatletsyoubasicallyspendyourskillpointsa......
Division in Python 2.7. and 3.3 [duplicate]
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Thisquestionalreadyhasananswerhere: Pythondivision 12answers ......
How do I hide the console when I use os.system(
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Iwrotesomestatementslikebelow: os.system(cmd)#dosomething subprocess.call(\'taskkill/F/IMexename.exe\') bothwillpopupaconso......
Dictionaries of dictionaries merge
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ineedtomergemultipledictionaries,here\'swhatIhaveforinstance: dict1={1:{\"a\":{A}},2:{\"b\":{B}}} dict2={2:{\"c\"...
proper name for python * operator?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Whatisthecorrectnameforoperator*,asinfunction(*args)?unpack,unzip,somethingelse? 回答1: InRubyandPerl6thishasbeenc......
Open document with default application in Python
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IneedtobeabletoopenadocumentusingitsdefaultapplicationinWindowsandMacOS.Basically,Iwanttodothesamethingthathappens......
Changing user agent on urllib2.urlopen
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: HowcanIdownloadawebpagewithauseragentotherthanthedefaultoneonurllib2.urlopen? 回答1: SettingtheUser-Agentfromeveryone......
Zip lists in Python
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Iamtryingtolearnhowto\"zip\"lists.Tothisend,Ihaveaprogram,whereataparticularpoint,Idothefollowing: x1,x2,x3=stuf......
Dynamically updating plot in matplotlib
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IammakinganapplicationinPythonwhichcollectsdatafromaserialportandplotsagraphofthecollecteddataagainstarrivaltime.The......