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Author: Simo

4. Linear regression

import tensorflow as tf
import numpy as np
import matplotlib.pyplot as plt x_data = np.random.rand(100)
noise = np.random.normal(0,0.01,x_data.shape)
y_data = x_data*0.1 + 0.2 + noise

plt.

October 16, 2021By Simo Mathematics linear, returnLeave a Comment

Process management in Linux

—
title: Process Management in Linux
date: 2019-7-2
categories:
– Linux
—

### View

#### ps

Use ps to view the process running status at a certain point in time. ps auxf -> Li

October 16, 2021By Simo Linux linux, management, Medium, processLeave a Comment

Ruby in orbit – Mountain Lion – Libxml & Nokogiri

I just updated to OS X Mountain Lion and I get the following when using rails and terminal.

WARNING: Nokogiri was built against LibXML version 2.8.0, but has dynamically loaded 2.7.8 I saw a

October 16, 2021By Simo Macos Gem, LIBXML, libxml & nokogiri, mountain, NOKOGIRILeave a Comment

Operation and maintenance script

Reference link: https://github.com/SwordfallYeung/BigData_AutomaticDeploy

Automatic deployment: https://gitee.com/lucky110100/sloth/tree/master

Shell common analysis commands and script

October 16, 2021By Simo Linux dimension, Script, YunLeave a Comment

Linux server View whether PHP supports mail () function method

PHP’s Mail function can be used to send emails. For example, check whether the Linux server PHP supports the Mail function?

How to check whether PHP supports the Mail function

There are

October 16, 2021By Simo Linux function, linux, Mail, method, PHP, server, view, whether supportLeave a Comment

Linux Switch Memory Display Unit in the TOP command

The memory information at the top can be switched by pressing E when top is running, and the conversion rate is 1000 each time, but there is no unit. The switching unit is k, m, g, t, p:

2.

October 16, 2021By Simo Linux Command, display, linux, Medium, memory, Switch, UnitLeave a Comment

Jumping table Skiplist [data structure] principle and implementation

Why Jump Table Currently, the balanced data structures often used are: B-tree, red-black tree, AVL Tree, Splay Tree, Treep, etc.

Imagine giving you a piece of scratch paper, a pen, and an edi

October 16, 2021By Simo Data Structure Data Structure, Implementation, Jumping, principle, Skiplist, tableLeave a Comment

HDU 5354 tree points

Given a tree with n nodes, the points have power

Find the number of point pairs (x,y)

where x!=y , the difference between the maximum value and the minimum value on the path from x to y

October 16, 2021By Simo Mathematics grade, HDU, point, TreeLeave a Comment

Tools: ITERM2 points record

Smart selection and copy

Use the Command key ingeniously

Hold down the ⌘ key:< /p> You can drag and drop the selected string; Click on the url: call the default browser to access the U

October 16, 2021By Simo Macos ITERM, iterm2, points, Record, toolsLeave a Comment

Leekcode solving record

There was a LeekCode competition last night. Five questions were solved in two and a half hours. After solving the first two questions easily, I got stuck on the third question. When there was half

October 16, 2021By Simo Mathematics Leekcode, Record, SolvingLeave a Comment

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