Fusion++是一篇重建物體tracking和relocalization. 1. 首先利用的mask rnn檢測物體(instance), 然后對檢測出的用TSDF進行重...
Fusion++是一篇重建物體tracking和relocalization. 1. 首先利用的mask rnn檢測物體(instance), 然后對檢測出的用TSDF進行重...
1. 可調(diào)用對象 可調(diào)用對象有一下幾種定義: 是一個函數(shù)指針,參考 C++ 函數(shù)指針和函數(shù)類型棋凳; 是一個具有operator()成員函數(shù)的類的對象脱篙; 可被轉(zhuǎn)換成函數(shù)指針的類對...
Python 并沒有提供數(shù)組功能,雖然列表 (list) 可以完成基本的數(shù)組功能劳曹,但它并不是真正的數(shù)組歼捐,而且在數(shù)據(jù)量較大時跃洛,使用列表的速度就會慢的讓人難受轨蛤。為此蜜宪,Numpy ...
你好 運行以下代碼,
1)
def normal_func(arg1, arg2, arg3):
print("arg1: " + arg1)
print("arg2: " + arg2)
print("arg3: " + arg3)
normal_func("python", 1, 3)
---------------------------------------------------------------
報錯:
/home/lzw/anaconda3/envs/3.8.1/bin/python /home/lzw/PycharmProjects/untitled2/test.py
arg1: python
Traceback (most recent call last):
File "/home/lzw/PycharmProjects/untitled2/test.py", line 7, in <module>
normal_func("python", 1, 3)
File "/home/lzw/PycharmProjects/untitled2/test.py", line 4, in normal_func
print("arg2: " + arg2)
TypeError: can only concatenate str (not "int") to str
Process finished with exit code 1
2)def test_kwargs(**kwargs):
if kwargs is not None:
for key, value in kwargs.iteritems():
print("{} = {}".format(key,value))
# Or you can visit kwargs like a dict() object
# for key in kwargs:
# print("{} = {}".format(key, kwargs[key]))
test_kwargs(name="python", value="5")
------------------------------------------------------------------------------------------------
報錯:/home/lzw/anaconda3/envs/3.8.1/bin/python /home/lzw/PycharmProjects/untitled2/test.py
Traceback (most recent call last):
File "/home/lzw/PycharmProjects/untitled2/test.py", line 8, in <module>
test_kwargs(name="python", value="5")
File "/home/lzw/PycharmProjects/untitled2/test.py", line 3, in test_kwargs
for key, value in kwargs.iteritems():
AttributeError: 'dict' object has no attribute 'iteritems'
Process finished with exit code 1
python參數(shù)傳遞的*args和**kwargs*和** 實際上真正的Python參數(shù)傳遞語法是*和**祥山。*args和**kwargs只是一種約定俗成的編程實踐圃验。我們也可以寫成*vars和**kvars。 *args和**...
安裝包下載網(wǎng)址:http://eigen.tuxfamily.org/index.php?title=Main_Page在該網(wǎng)站中缝呕,可以下載任意版本對應(yīng)的文件损谦,本例下載了Ei...