t): frame=gf(t).copy() frame[:max(0,h-round(h*t*2/duration))]=(0,0,0) returnframe newclip=src.fl(fl,apply_to='mask') newclip.write_videofile("r.mp4")
Given a pandas dataframe, we have to apply uppercase to a column. By Pranit Sharma Last updated : September 29, 2023 Pandas is a special tool that allows us to perform complex manipulations of data effectively and efficiently. Inside pandas, we mostly deal with a dataset in the form of...
This hints at one of the powers of decorators. They add behavior that can apply to many different functions.Remove ads Returning Values From Decorated FunctionsWhat happens to the return value of decorated functions? Well, that’s up to the decorator to decide. Say you decorate a simple ...
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执行complain_about('Ruby')产生了协程。为了使用新建的协程,我们用next()调用它,与在生成器中所做的相同。只有调用next()之后,才在屏幕上看到Please talk to me!。 这时,协程到达了text = (yield),意味着它暂停了执行。控制点返回了 shell,我们就可以向协程发送数据了。我们使用send()方法发送数据,如下所示:...
# Processing pool (see below for initiazation)pool=None# Performs a large calculation (CPU bound)defsome_work(args):...returnresult# A thread that calls the above functiondefsome_thread():whileTrue:...r=pool.apply(some_work,(args))...# Initiaze the poolif__name__=='__main__':imp...
apply(lambda x: upper(x)) 5. 数据导出 一旦我们把数据处理完,下一步要做的就是如何保存数据。 Pandas也提供了非常便捷的功能。 Excel df.to_excel('myData.xlsx',index=False, sheet_name='Sheet1') CSV df.to_csv('myData.csv',index=False) 数据库 import pyodbc server = "10.21.120.88" data...
Select Apply to make the changes to your source code files. Add an import statement If you have identifiers in your code that are missing definitions or supporting type information, Visual Studio can help you correct the issue. When you place the caret on an identifier that lacks information,...
first apply the cnn feature extraction stagecnn_out = self._feature_sequence_extraction(inputdata=inputdata, name='feature_extraction_module' )#2.第二步， batch*1*25*512 变成 batch * 25 * 512# second apply the map to sequence stagesequence = self._map_to_sequence(inputdata=cnn_...
Django provides a simple way to define__str__()and ` __unicode__()`_ methods that work on Python 2 and 3: you must define a__str__()method returning text and to apply thepython_2_unicode_compatible()decorator. On Python 3, the decorator is a no-op. On Python 2, it defines ...