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Give a string s, count the number of non-empty (contiguous) substrings that have the same number of 0's and 1's, and all the 0's and all the 1's in th 阅读全文
posted @ 2018-03-18 22:22
bonelee
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X is a good number if after rotating each digit individually by 180 degrees, we get a valid number that is different from X. Each digit must be rotate 阅读全文
posted @ 2018-03-17 23:44
bonelee
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Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -. Example: Given a = 1 and b = 2, return 3. 只能位运算： 0x011 阅读全文
posted @ 2018-03-17 22:17
bonelee
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Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements of [1, n] 阅读全文
posted @ 2018-03-17 12:49
bonelee
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Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements. For example, giv 阅读全文
posted @ 2018-03-17 09:19
bonelee
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Given a non-empty 2D array grid of 0's and 1's, an island is a group of 1's (representing land) connected 4-directionally (horizontal or vertical.) Yo 阅读全文
posted @ 2018-03-17 00:47
bonelee
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from：https://stackoverflow.com/questions/41616292/how-to-load-and-retrain-tflean-model This is to create a graph and save it To reload and retrain or 阅读全文
posted @ 2018-03-16 15:32
bonelee
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理解dropout from:http://blog.csdn.net/stdcoutzyx/article/details/49022443 http://www.cnblogs.com/tornadomeet/p/3258122.html 开篇明义，dropout是指在深度学习网络的训练过程中， 阅读全文
posted @ 2018-03-16 15:05
bonelee
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正则化方法：L1和L2 regularization 本文是《Neural networks and deep learning》概览 中第三章的一部分，讲机器学习/深度学习算法中常用的正则化方法。（本文会不断补充） 正则化方法：防止过拟合，提高泛化能力 在训练数据不够多时，或者overtraini 阅读全文
posted @ 2018-03-16 10:25
bonelee
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学习率如何影响训练？ from:https://www.jiqizhixin.com/articles/2017-11-17-2 深度学习模型通常由随机梯度下降算法进行训练。随机梯度下降算法有许多变形：例如 Adam、RMSProp、Adagrad 等等。这些算法都需要你设置学习率。学习率决定了在一 阅读全文
posted @ 2018-03-16 09:33
bonelee
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