Docker Initial (Mirror, Container, Warehouse)

image Mirror image is the premise of Docker running container Getting Mirror docker pull NAME[:TAG] // Do not specify TAG, select latest tag by default Running Mirror docekr run -t -i ubuntu /bin/bash View mirror information docker images Add a mirror label docker tag ubuntu:latest my/ubuntu:latest View Mirror Details docker inspect image id do ...

Posted on Sun, 18 Aug 2019 03:21:52 -0700 by ryanwood4

Manjaro Beautification Configuration Tutorial

title: manjaro's Beautification date: 2019-04-24 22:59:57 tags: manjaro categories: manjaro Switching Source sudo vi /etc/pacman.conf Add arch source [archlinuxcn] SigLevel = Optional TrustedOnly Server = https://mirrors.ustc.edu.cn/archlinuxcn/$arch blackarch source (optional) [blackarch] SigLevel = Optional TrustAll Server = https://mirrors ...

Posted on Sun, 18 Aug 2019 02:41:12 -0700 by immot

Introduction to iOS Multithread GCD, NSTread and NSOperation

In the development of iOS, we often use multithreading to handle some business. What are the ways to implement multithreading in iOS? NSTread: The smallest, lightest, and more expensive package. GCD (Grand Central Dispatch): Internal efficiency opti ...

Posted on Sun, 18 Aug 2019 02:18:21 -0700 by zfred09

[Learning Notes - Java Collection - 13] Set - Concurrent SkipListSet Source Analysis

introduce The bottom layer of Concurrent SkipListSet is implemented through Concurrent Navigable Map, which is an orderly set of thread security. Source code analysis Its source code is relatively simple, basically the same as the Set implemented through Map, but there are some more ways to get the nearest element. // The Navigable Set interfa ...

Posted on Sun, 18 Aug 2019 02:08:13 -0700 by bluwe

[Learning Notes - Java Collection - 11] Map - Concurrent SkipListMap Source Analysis

introduce Jump table is a randomized data structure, which is essentially an ordered linked list that can be searched by dichotomy. The jump table adds a multi-level index to the original ordered list to achieve fast search through the index. Jump table can not only improve search performance, but also improve the performance of insert and dele ...

Posted on Sun, 18 Aug 2019 01:13:38 -0700 by luxe

lwIP TCP/IP Protocol Stack Note Six: Memory Management

Catalog 1. Several memory allocation strategies 1.1 Fixed size memory block 1.2 Variable Length Allocation 2. Dynamic Memory Pool (POOL) Preprocessing of 2.1 Memory Pool 2.2 Memory pool initialization 2.2 Memory pool allocation 2.3 Memory ...

Posted on Sat, 17 Aug 2019 20:44:00 -0700 by jaimitoc30

springboot 2.1.7 + mysql5.6 Discard Calendar type field

Reason: When using Calendar as the field type, each findById() operation returns a slightly larger value than the actual value.The query will be invoked after the update and will be larger.That is, if we use Calendar as the field type, the field will quietly grow when the program runs. Code preparation The sample code is simple: we only need to ...

Posted on Sat, 17 Aug 2019 19:18:39 -0700 by mie

VSCode uses gcc/g++ of MinGW-w64 to write debugger under windows

VSCode uses gcc/g++ of MinGW-w64 to write debugger under windows If you want to reproduce it, please indicate the source: http://blog.csdn.net/itas109 QQ Technical Exchange Group: 129518033 Article Directory VSCode uses gcc/g++ of MinGW-w64 to ...

Posted on Sat, 17 Aug 2019 17:42:17 -0700 by chuspy

LVM, Network Protocol and Management

1. Create Logical Volume Create physical volume pvcreate /dev/sd{b1,c} Create Volume Group Name vgcreate vg0 /dev/sd{b1,c} -s 4G Create Logical Volume lvcreate -n mysql -L 8G vg0 Create File System mkfs.xfs /dev/vg0/mysql mount mount /dev/vg0/mysql /mnt/mysql/ Extended File System lvextend -l +1534 /dev/vg0/mysql Synchronize XFS File Syst ...

Posted on Sat, 17 Aug 2019 11:11:16 -0700 by deepermethod

Flink's checkpoint tuning in large-scale state datasets

50,000 people are interested in the road to big data, don't you know?Do you really not know the way 50,000 people care about big data becoming a god?Are you sure you really don't know the way 50,000 people are focusing on big data? Welcome to your attention The Way to Big Data Today I received a question from a classmate, which is probably: Fl ...

Posted on Sat, 17 Aug 2019 10:38:35 -0700 by markbeadle