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android - 膨胀类 android.support.design.widget.NavigationView 时出错

我按照新组件的教程NavigationView在支持设计库中,无法通过此错误消息:Errorinflatingclassandroid.support.design.widget.NavigationView我在这里尝试了所有解决方法ErrorwhenusinganyAndroidDesignSupportLibraryElements但错误信息仍然存在。xmlbuild.gradlebuildscript{repositories{mavenCentral()maven{url'https://maven.fabric.io/public'}}dependencies{classpa

android - 膨胀类 android.support.design.widget.NavigationView 时出错

我按照新组件的教程NavigationView在支持设计库中,无法通过此错误消息:Errorinflatingclassandroid.support.design.widget.NavigationView我在这里尝试了所有解决方法ErrorwhenusinganyAndroidDesignSupportLibraryElements但错误信息仍然存在。xmlbuild.gradlebuildscript{repositories{mavenCentral()maven{url'https://maven.fabric.io/public'}}dependencies{classpa

python - 类型错误 : '<' not supported between instances of 'tuple' and 'str'

我有一个构建哈夫曼树的方法如下:defbuildTree(tuples):whilelen(tuples)>1:leastTwo=tuple(tuples[0:2])#getthe2tocombinetheRest=tuples[2:]#alltheotherscombFreq=leastTwo[0][0]+leastTwo[1][0]#entercodeherethebranchpointsfreqtuples=theRest+[(combFreq,leastTwo)]#addbranchpointtotheendtuples.sort()#sortitintoplacereturn

python - 值错误 : continuous format is not supported

我写了一个简单的函数,我正在使用average_precision_score从scikit-learn计算平均精度。我的代码:defcompute_average_precision(predictions,gold):gold_predictions=np.zeros(predictions.size,dtype=np.int)foridxinrange(gold):gold_predictions[idx]=1returnaverage_precision_score(predictions,gold_predictions)执行该函数时,会产生以下错误。Traceback(mo

python - 类型错误 : 'set' object does not support indexing

我刚刚在Python3.5中做了一些随机的事情。在15分钟的空闲时间里,我想到了这个:a={"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"}len_a=len(a)list=list(range(0,len_a))message=""wordlist=[chforchinmessage]len_wl=len(wordlist)forxinlist:print(a[x])但那种随机成功的满足感并没有让我失望。相反,失败的感觉确实:

python - 类型错误 : Type str doesn't support the buffer API when splitting string

大家好,我有这段代码:data=data.split('&')我收到以下错误:data=data.split('&')TypeError:Typestrdoesn'tsupportthebufferAPI如何拆分我的字符串? 最佳答案 data是一个bytes对象。你只能使用另一个bytes值来拆分它,你可以使用bytes文字(以b前缀开头)来创建一个:data.split(b'&') 关于python-类型错误:Typestrdoesn'tsupportthebufferAPIwhen

android - 使用 android-support-v4 替代 PreferenceFragment

当我意识到这个库不支持PreferenceFragments时,我的应用程序开发突然停止了。有没有什么替代方案可供Android新手开发者用来克服这个障碍?这是我现在的主窗口对于我的TabActivity,我使用的是我在网上找到的东西。这是一个fragment:publicclassTabControlActivityextendsFragmentActivityimplementsTabHost.OnTabChangeListener{publicstaticfinalintINSERT_ID=Menu.FIRST;publicstaticTabControlActivitythis

android - 使用 android-support-v4 替代 PreferenceFragment

当我意识到这个库不支持PreferenceFragments时,我的应用程序开发突然停止了。有没有什么替代方案可供Android新手开发者用来克服这个障碍?这是我现在的主窗口对于我的TabActivity,我使用的是我在网上找到的东西。这是一个fragment:publicclassTabControlActivityextendsFragmentActivityimplementsTabHost.OnTabChangeListener{publicstaticfinalintINSERT_ID=Menu.FIRST;publicstaticTabControlActivitythis

Python3 CSV writerows,TypeError : 'str' does not support the buffer interface

我正在将以下Kaggle代码翻译成Python3.4:在输出CSV文件时的最后几行,predictions_file=open("myfirstforest.csv","wb")open_file_object=csv.writer(predictions_file)open_file_object.writerow(["PassengerId","Survived"])open_file_object.writerows(zip(ids,output))predictions_file.close()print('Done.')有一个类型错误TypeError:'str'doesno

python - 类型错误 : Type str doesn't support the buffer API # find method?

这是我的输入:..........JimCramer‏@jimcramer26NovLovethisspirited&rigorous$TSLAdefense!RT@InfennonLabs:Whyaretheseidiotsselling#tslaaretheythatblind?@jimcramerFavorited5times...........例如这个“输入”在我的input变量中。这是我的代码:start_link=input.find('如果我运行它,我会得到以下错误:start_link=input.find('我该如何解决这个问题?注意:我的输入变量的类型是: