Releasing memory 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: Ihaveafewrelatedquestionsregardingmemoryusageinthefollowingexample. IfIrunintheinterpreter, foo=[\'bar\'for_inxrang......
Simple way to remove multiple spaces in a string?
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: Supposethisisthestring: Thefoxjumpedoverthelog. Itwouldresultin: Thefoxjumpedoverthelog. Whatisthesimplest,......
Request UAC elevation from within a Python script?
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: IwantmyPythonscripttocopyfilesonVista.WhenIrunitfromanormalcmd.exewindow,noerrorsaregenerated,yetthefilesareNOTco......
Python: List vs Dict for look up table
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: Ihaveabout10millionvaluesthatIneedtoputinsometypeoflookuptable,soIwaswonderingwhichwouldbemoreefficientalistordi......
Background thread with QThread in PyQt
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: IhaveaprogramwhichinterfaceswitharadioIamusingviaaguiIwroteinPyQt.Obviouslyoneofthemainfunctionsoftheradioisto......
Call a parent class's method from child class
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: WhencreatingasimpleobjecthierarchyinPython,I\'dliketobeabletoinvokemethodsoftheparentclassfromaderivedclass.InPerl......
How to pretty-printing a numpy.array without scien
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\'mcurious,whetherthereisanywaytoprintformattednumpy.arrays,e.g.,inthewaysimilartothis: x=1.23456 print\'%.3f\'%x I......
Apply multiple functions to multiple groupby colum
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: Thedocsshowhowtoapplymultiplefunctionsonagroupbyobjectatatimeusingadictwiththeoutputcolumnnamesasthekeys: In[563]:......
Create List of Single Item Repeated n Times in Pyt
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: Iknowalistcomprehensionwilldothis,butIwaswonderingifthereisanevenshorter(andmorePythonic?)approach. Iwanttocreatea......
How to prevent tensorflow from allocating the tota
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: Iworkinanenvironmentinwhichcomputationalresourcesareshared,i.e.,wehaveafewservermachinesequippedwithafewNvidiaTitanX......
Sorting arrays in NumPy by column
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: HowcanIsortanarrayinNumPybythenthcolumn? Forexample, a=array([[9,2,3], [4,5,6], [7,0,5]]) I\'d......
Using pip behind a proxy
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: Iamtryingtousepipbehindaproxyatwork. OneoftheanswersfromthispostsuggestedusingCNTLM.Iinstalledandconfigureditperth......
How to “perfectly” override a dict?
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: HowcanImakeas\"perfect\"asubclassofdictaspossible?Theendgoalistohaveasimpledictinwhichthekeysarelowercase. Itwoul......
How to count number of rows per group (and other s
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: IhaveadataframedfandIuseseveralcolumnsfromittogroupby: df[\'col1\',\'col2\',\'col3\',\'col4\'].groupby([\'col1\',\'col2\']).me......
Should you always favor xrange() over range()?
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: Whyorwhynot? 回答1: Forperformance,especiallywhenyou\'reiteratingoveralargerange,xrange()isusuallybetter.However,there......
Understanding the map function
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: map(function,iterable,...) Applyfunctiontoeveryitemofiterableandreturnalistoftheresults.Ifadditionaliterableargumentsar......
How to use timeit module
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: IunderstandtheconceptofwhattimeitdoesbutIamnotsurehowtoimplementitinmycode. HowcanIcomparetwofunctions,sayinsertio......
Import multiple csv files into pandas and concaten
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: IwouldliketoreadseveralcsvfilesfromadirectoryintopandasandconcatenatethemintoonebigDataFrame.Ihavenotbeenabletofigu......
How to use Python to login to a webpage and retrie
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: Iwanttodownloadandparsewebpageusingpython,buttoaccessitIneedacoupleofcookiesset.ThereforeIneedtologinoverhttpstot......
How to remove convexity defects in a Sudoku square
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: Iwasdoingafunproject:SolvingaSudokufromaninputimageusingOpenCV(asinGooglegogglesetc).AndIhavecompletedthetask,buta......
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