一、赋值(assignment) 在Python中,用一个变量给另一个变量赋值,其实就是给当前内存中的对象增加一个“标签”而已。 如上例,通过使用内置函数 id() ,可以看出 a 和 b 指向内存中同一个对象。a is b会返回 True 。 二、浅拷贝(shallow copy) 注意:浅拷贝和 ...
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编程语言 时间:
2017-12-20 03:38:22
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163
Optimization Welcome to the optimization's programming assignment of the hyper-parameters tuning specialization. There are many different optimization ...
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Web程序 时间:
2017-12-19 12:36:36
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226
Gradient Checking Welcome to this week's third programming assignment! You will be implementing gradient checking to make sure that your backpropagati ...
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Web程序 时间:
2017-12-16 18:32:02
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169
Initialization Welcome to the first assignment of the hyper parameters tuning(超参数调整) specialization. It is very important that you regularize your mod ...
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Web程序 时间:
2017-12-15 00:46:35
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344
View the Exhibit to observe the roles assigned to the SLP_REP user. Which statement is true about the assignment of the SELECT_CATALOG_ROLE role to th ...
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其他好文 时间:
2017-12-14 19:26:03
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203
The partition reassignment tool can also be used to selectively move replicas of a partition to a specific set of brokers. When used in this manner, i ...
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其他好文 时间:
2017-12-14 19:17:42
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219
Engineer Assignment Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 849 Accepted Submission(s): 3 ...
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其他好文 时间:
2017-12-13 19:42:39
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130
When you finish this, you will have finished the last programming assignment of Week 4, and also the last programming assignment of this course! You w ...
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移动开发 时间:
2017-12-13 14:19:21
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591
记住:永远在使用对象前先将它初始化。 1、不要混淆赋值assignment和初始化initialization。 记住如果没有在构造函数的初始化成员列表中显式地初始化成员,则该成员将在构造函数体之前执行默认初始化,比如说上面第一个,在进行赋值之前,theName会调用默认构造函数执行初始化操作。 初 ...
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其他好文 时间:
2017-12-10 23:09:56
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342
Welcome to your week 4 assignment (part 1 of 2)! You have previously trained a 2-layer Neural Network (with a single hidden layer). This week, you wil ...
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Web程序 时间:
2017-12-07 19:03:44
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250