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  • 120
    Fusion++: Volumetric Object-Level SLAM

    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...

  • C++11 中的std::function和std::bind

    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...

  • 120
    Python科學計算——Numpy.genfromtxt

    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**...

  • Eigen3 源碼安裝

    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...

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