Ubuntu on windows (WSL)

2021-8-6 写技术

After I installing the WSL by Microsoft Store failed, changed the network options to TLS 1.2 . And may be the location of domain must be America. That's all.

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标签: ubuntu

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这三年考过的研

2021-7-8 写生活

    时间回到2018年,我到公司已经一年有余,公司是研发毫米波雷达的,我作为一个嵌入式软件工程师,对雷达原理确一窍不通。于是乎买来两本书,作好从头开始学习雷达的打算。打开书,除去雷达历史等的介绍外,几乎每一章节都或多或少地分布了各种各样的数学公式,小到微积份,大到付利叶变换,各种各样的符号、称呼,似曾相识却又恍如隔世。这个时候的我,毕业有七个春秋了。对于数学这种基本功,即使平常有所涉猎,也必不如当初。要想学好雷达原理,数学是一道迈不过的坎。于是乎我的目标由雷达转到了数学。     回到家里把尘封已久的数学教材翻了出来,看着看着又到网上找资料,没多久...

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[python]Display image with matplot

2021-5-27 写技术

import matplotlib.pyplot as plt #plt.figure() img = plt.imread(image_path) plt.imshow(img) plt.show()

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标签: python

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[python]Python to read directorys and write sheet (excel)

2021-5-20 写技术

import os import xlwt def file_name(file_dir): for root, dirs, files in os.walk(file_dir): list_files(files) def list_files(files): workbook = xlwt.Workbook(encoding = 'utf-8') worksheet = workbook.add_sheet('Nicholas') lines = 1 for item in files: ...

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[DL]MNIST handwritten digit processing by TensorFlow Version 2

2021-5-19 写技术

import tensorflow.examples.tutorials.mnist.input_data as input_data mnist = input_data.read_data_sets("MNIST_data/", one_hot=True) import tensorflow as tf sess = tf.InteractiveSession() def weight_variable(shape): initial = tf.truncated_normal(shape, stddev=0.1) return tf.Varia...

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标签: DL

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[DL]MNIST handwritten digit processing by TensorFlow

2021-5-19 写技术

import tensorflow.examples.tutorials.mnist.input_data as input_data mnist = input_data.read_data_sets("MNIST_data/", one_hot=True) import tensorflow as tf x = tf.placeholder("float", [None, 784]) w = tf.Variable(tf.zeros([784, 10])) b = tf.Variable(tf.zeros([10])) y = tf.nn.softmax(tf.matmul...

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标签: DL

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[linux] Install gcc

2020-10-15 写技术

wget http://ftp.gnu.org/gnu/gcc/gcc-6.1.0/gcc-6.1.0.tar.gz tar -zvxf gcc-6.1.0.tar.gz --directory=/usr/local/ cd /usr/local/gcc-6.1.0 sudo ./contrib/download_prerequisites sudo mkdir build cd build sudo ../configure -enable-checking=release -enable-languages=c,c++ -disable-multilib...

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标签: linux C++

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[html]css限定文字行数

2020-8-14 写技术

以下给出样式,能够使文字限定显示两行,并且超出部分加省略号. overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;

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标签: html

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数组越界fopen时程序奔溃

2020-3-27 写技术

历史上最奇葩的bug,一运行到fopen语句程序就挂了,按理说就算文件打开失败也就是反回个空指针,为什么这里会直接导致程序奔溃呢,一点一点地把代码删减后定位到数组越界。

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标签: C

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[python]Gather all URLs from a certain web

2019-12-12 写技术

# encoding=utf8 import sys reload(sys) sys.setdefaultencoding('utf8') import urllib from bs4 import BeautifulSoup import urlparse import time import urllib2 url = "http://log.anycle.com" domain = "log.anycle.com" deep = 0 tmp = "" sites = set() visited = set() #local = set() ...

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标签: python

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