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Article

Linux -- shell programming summary for loop, while loop, until loop

1. For loop: for loop will assign one parameter to var for loop format: for var in parameter do commands done Example: ...
1:27 4 February 2020
Article

dart: function part

2. function Function is the first citizen and...
0:27 4 February 2020
Article

Implement a synchronizer based on AQS

As mentioned above, we can try to implement a synchronizer ourselves. We can simply refer to the implementation of Reent...
23:58 3 February 2020
Article

nginx worker process loop

When the worker process starts, it first initializes the environment it needs to run, then it enters a cycle in which it...
23:18 3 February 2020
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Mysql High Availability Cluster - MHA

Article directory 1, MHA introduc...
23:18 3 February 2020
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UDP and TCP 2 for Network Programming

TCP TCP: A connection-oriented, reliable, byte-stream-based transport layer, communication protocol Features: Connection...
23:02 3 February 2020
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saltstack - Automated Operations and Maintenance Layout Tool

brief introduction Salt is an underlying plat...
22:21 3 February 2020
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Pooling Technology for Java Data Persistence Series

In the last article Java Data Persistence Series JDBC In, we learned that creating a Connection using JDBC executes the ...
21:32 3 February 2020
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C++ Implements Neural Network from Zero

Long text warning: a total of 22727 words Note: All sourc...
20:40 3 February 2020
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ios learning notes 04 use of local storage and realm mobile database combined with todo project

lebus tutorial 04 p67-75: store coredata and realm locally Introduce cs/bs architecture cs does not need a large numb...
12:12 3 February 2020
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JS achieves three-level linkage

The so-called linkage is the change of itself affected by the upper and lower elements. Common multi-level actions are u...
11:56 3 February 2020
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50 Linux Basic Operations Commands Must Be Mastered

Explain: Based on the author's usage in peacetime and som...
11:43 3 February 2020
Article

Network engineer's Python practice

When there are more and more devices in the network, and with the advent of automation, we should consider using automat...
11:15 3 February 2020
Article

Install geent4 software developed by CERN on Ubuntu 18.04

Installing Geant4 on Ubuntu 18.04 GEANT 4 is ...
11:01 3 February 2020
Article

The installation of hook framework frida and a simple practical case

1. Download address https://github.co/frida/frida/releases ...
10:16 3 February 2020
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Beginner's notes on Tensorflow opencv

OpenCV expansion training sample If you want ...
9:54 3 February 2020
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Using IPython programming tool under linux

One. Install IPython tools IPython is a third...
9:34 3 February 2020
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Machine learning KNN algorithm

Python machine learning 3-day quick start python machine learning in 2018 [dark horse programmer] Machine learning (4)...
9:28 3 February 2020
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Seven ways to copy files in java

Article directory 1. Copy files by byte stream 2. File copy through character stream 3. File copy through byte buffer s...
9:17 3 February 2020
Article

Write classification query

Implement commodity classification query The ...
8:40 3 February 2020
Article

Hands on interface for external security (improvement)

Article directory Last blog Preface show you the code get processing method post processing method Reference blog ...
7:07 3 February 2020
Article

O - push box HDU - 1254(bfs_box + bfs_man)

O - push case HDU - 1254 Pushing the box is a classic game. Today we are going to play a simple version. In an M*N roo...
5:34 3 February 2020
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C + + Learning note 12: overload of assignment operator '='

1 Purpose: it is hoped that the types on both sides of the assignment operator can not match ...
4:52 3 February 2020
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MapReduce program practice advanced of Hadoop cluster big data solution (custom partition&sort&group)

Get ready                   &...
4:45 3 February 2020
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Use the advantages of moving forward

In an ideal forward, std::forward is used to convert named right value references t1 and t2 to unnamed right value refer...
23:54 2 February 2020
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1python how to find all permutations of a string

Title Description: Design a program that requires all pe...
22:30 2 February 2020
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Microservice framework: overview of microservices

Microservice framework (2): overview of microservices Learning Objectives 1. System Architecture Evolution 1.1. Centra...
19:54 2 February 2020
Article

(Java) Date Action Class

Date, Calendar in the java.util package, and SimpleDateFormat in the java.text package are used primarily in program dev...
19:50 2 February 2020
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Synchronization of java11_Threads

Synchronization of threads - taking 100 tickets sold in three windows as an example (1) Problem: Double and wrong ticket...
13:35 2 February 2020
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Daily 18 / 07 / 22 your design mode! Finally have time to write ~~

1/24: Strategy pattern First, I will give ...
12:11 2 February 2020