Huawei GuassDB 200 lightweight single node mode Deployment Guide

For the installation of cluster environment, please refer to the previously written Fusioninspight Libra v100r002c80spc300 installation guide. 1. Environmental information Among them, 50G is the operating system disk, and the other three 100G are used for GuassDB. 2. Configuration software package Package preparationDownload the following pa ...

Posted on Wed, 23 Oct 2019 06:17:27 -0400 by bala_god

Algorithm DFA algorithm sensitive word filtering algorithm (OC, Swift, Python)

Preface Some time ago, the company's IM SDK wanted to do sensitive word filtering, but the back-end partner was busy. During the product demand meeting, he wanted to put sensitive word filtering on the front end and let iOS and Android do it by themselves, but the front-end partner wrote a method to detect a piece of text, which took [a second ...

Posted on Wed, 23 Oct 2019 05:22:36 -0400 by markjoe

Python get Access table field name

Aging Description: walker's old text migration may be out of date in some places, and the last update time is 2015-09-25 All of the following codes, python 2.7 and python 3.4, are available. [win32.com] # encoding: utf-8 # author: walker # date: 2015-09-25 # summary: print all fields of the specified access file and the specified table import ...

Posted on Tue, 22 Oct 2019 13:55:52 -0400 by justoneguy

fputcsv exports excel to solve the problems of memory, performance, random code and scientific counting

In the daily development of php, we often need to export excel. Generally, we will use phpexcel, which has powerful performance. However, when the amount of data is large, various uncontrollable problems such as poor performance and memory overflow of phpexcel will appear. Therefore, if the export style requirements are not high, we can ...

Posted on Tue, 22 Oct 2019 10:37:06 -0400 by Shock_CNOP

spring learning injection

The previous chapters introduced the definition of beans. In a complete application, the beans are not independent of each other, but work together. In spring, these independent beans are linked by injection. Injection based on construction method XML In the xml configuration file, the injection is implemented through the constructor Arg tag.Th ...

Posted on Tue, 22 Oct 2019 04:11:20 -0400 by shaunie123

IO stream in Java Cheryl

IO flow In java, stream can be analogized as a sequence of data, so in stream, byte [] or char [] are often used as a car to transmit data. It is recommended to use 4096 (4k size) as a car to transmit a stream. When the stream size is especially large, BufferedReader / BufferedWriter should be used as a car to transmit the stream to improve eff ...

Posted on Mon, 21 Oct 2019 17:44:46 -0400 by bache

python day 14: Job: develop an FTP script that can upload files by multiple users

Catalog python day 14 1. requirements 2. Self written program directory 3. models module 4. settings module 5. tcp_server module 6. client module 7. postscript python day 14 2019/10/19 1. requirements FTP: 1. Separate function implementation (progress bar ...

Posted on Mon, 21 Oct 2019 16:34:10 -0400 by porco

Django's Daily-1

Catalog Django's Daily-1 The three most commonly used things in Django HTTPresponse render redirect Static file related get and post of form form Magical request Template value transfer method Django connecting database and its powerful ORM Preliminary pr ...

Posted on Mon, 21 Oct 2019 09:50:48 -0400 by kiwibrit

Log4j combined with nails to build log robot

In normal development, when looking for problems, reading logs is often an indispensable event. For the error log, we hope to know it immediately, trace the source of the error quickly, and then correct the error. The appearance of the nail robot undoubtedly provides us with a wonderful tool to respond to the error log in the first time. Custom ...

Posted on Sun, 20 Oct 2019 18:08:09 -0400 by LDM2009

Three common uses and source code implementation of IOC in Spring source code analysis

1. Configuration and acquisition api of IOC core function bean s There are four types (from P175 proficient in spring4.x) The first three are commonly used The first way <?xml version="1.0" encoding="GBK"?> <beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans" xs ...

Posted on Sun, 20 Oct 2019 13:26:17 -0400 by clodagh2000