Programmer Group

Change from: Ren Bo'an Brief Book Chatting Recently, I've been chasing after Qingyun Zhi. I always feel that TV plays are not as wonderful as novels. Yes, the acting skills of the big cafes are amazing and the adaptation of the plot is compact, but it has to be said that many things can not be achieved by acting alone. The protagonist's hea ...

This article is translated from Apple Documents There are deletions and additions. If you don't understand Block syntax, you can refer to fucking block syntax, which is for Block. For comparison purposes, I assume that the following code is written in the ViewController subclass 1. Part I Define and use Block, - (void)viewDidLoad {     [su ...

Service Entry parsing error Problem representation Create Service Entry apiVersion: networking.istio.io/v1alpha3 kind: ServiceEntry metadata: name: gitlab-huoys spec: hosts: - gitlab-huoys location: MESH_INTERNAL ports: - name: https number: 5500 protocol: TCP resolution: STATIC endpoints: - address ...

Here are three commands from the Internet [commit] denotes the corresponding version number Generally speaking, just remember the command 6 below for daily use. But skilled use, I'm afraid to remember 60 to 100 commands. Here are some of the common things I've sorted out. Git List of commands. The translations of severa ...

title: Python learns day5 homework tags: python author: Chinge Yang date: 2017-01-27 --- Python learns day5 homework @ (Learning) [python] [TOC] ATM and Shopping Mall Job requirement ATM: Designated maximum overdraft Withdrawable Periodic repayment (monthly repayment on a specified date, e.g. No. 15) Deposit available Pay bills regularly Sup ...

Chain Storage and Implementation of Linear List Another way to implement linear tables is chain storage, which uses pointers to connect the units that store data elements in linear tables in turn. This method avoids the disadvantage of using continuous cells to store elements in arrays, so it is no longer necessary to move elements to make roo ...

MODBUS-RTU equipment is one of the most common types in industrial control, ITU and intelligent projects. It mostly uses RS485/232 bus communication mode. MODBUS-RTU protocol has a long history, maturity and reliability. What we are talking about today is using PHP language to apply OHSCE framework for general control of MODBUS-RTU devices.I. ...

Revoke All operations before git push are performed in the "local warehouse". Let's call the code restore operation of the "local warehouse" revocation for the time being. Case 1: The file has been modified, but no git add operation (modification file within working tree) <==> git checkout <filename>/. ...

[Error scenario] The group will migrate the code from the svn server to git as a whole, ready for two steps. The first step is to convert git svn into git warehouse. The second step is to submit the git repository to the git server. It was a happy thing, but the brave man had trouble buying equipment and made a mistake in git svn. The devi ...

Label PostgreSQL, 10.0, Radix tree, character encoding conversion background PostgreSQL 10.0 uses radix tree to improve the performance of UTF-8 and other character encoding conversions. The encoding map file is arranged according to the new radix tree, and its performance is much better than that of binary search. Use radix tree for charact ...