@dataclass class TxOut: amount: int # in units of satoshi (1e-8 of a bitcoin) script_pubkey: Script = None # locking script tx_out1 = TxOut( amount = 50000 # we will send this 50,000 sat to our target wallet ) tx_out2 = TxOut( amount = 47500 # back to us ) # the fee...
Now, we can create twoWords (by usingWord('foo')andWord('bar')) and compare them based on length. Note, however, that we didn't define__eq__and__ne__. This is because this would lead to some weird behavior (notably thatWord('foo') == Word('bar')would evaluate to true). It...
六、形态图像处理 在本章中,我们将讨论数学形态学和形态学图像处理。形态图像处理是与图像中特征的形状或形态相关的非线性操作的集合。这些操作特别适合于二值图像的处理(其中像素表示为 0 或 1,并且根据惯例,对象的前景=1 或白色,背景=0 或黑色),尽管它可以扩展到灰度图像。 在形态学运算中,使用结构元素(小模...
5)) fig.subplots_adjust(left=0, right=1, bottom=0, top=1, hspace=0.05, wspace=0.05) # plot the faces, each image is 64 by 64 dimension but 8x8 pixels j = 1np.random.seed(0)for i in np.random
Running an application using this scheme was a two-step process: Create the pickle that represents an Application, using the now defunct mktap utility. Use twistd to unpickle and run the Application. This process was inspired by Smalltalk p_w_picpaths, an aversion to the proliferation of ...
You also could have accomplished the effect of loffset by calling the shift method on the result without the loffset. 11.6.1.1 OHLC重采样 Open-High-Low-Close (OHLC) resampling 金融领域中有一种聚合时间序列的常见方式,即计算各时间段的四个值:开盘价(open)、最高价(high)、最低价(low)和收盘价...
You must provide two keyword arguments, x and y, which specify the x- and y-coordinates for the top-left corner of the widget. Both x and y are measured in pixels, not text units. Keep in mind that the origin, where x and y are both 0, is the top-left corner of the Frame or...
As wind speed increases, penguins on the outsideof the huddle receiving the most wind and exposure to the cold will shift along the huddle so thatthey move to the back of the huddle, where they are then protected from the wind, creating a moreelongated shape.Figure 1: Examples of loose ...
The Caesar cipher works by taking a letter to be encrypted and shifting it a certain number of positions to the left or right in the alphabet. Whichever letter is in that position is used as the encrypted character. This same shift value is applied to all characters in the string....
Usually, these settings can be left at their default values. metric_threshold(float): Iteration threshold for the least squares adjustment regarding the metric parameters. time_threshold(float): Iteration threshold for the least squares adjustment regarding the time shift parameter. ...