Tag:Parameter value

  • Record meta tags and NPM modularization

    Time:2021-8-29

    NPM modularization see link:https://blog.csdn.net/ikaivon… There are two most important attributes of the meta tag:1、 Name and content< meta name = “parameter” content = “parameter value” / > 2、 HTTP equal and contentFor example: < meta http equiv = “content type” content = “text / HTML; charset=utf-8″/> See:https://blog.csdn.net/zhangan…

  • Ruffian Heng embedded: know the lookuptable in the fdcb of i.mxrt startup head from the beginning

    Time:2021-8-13

    Hello, I’m ruffian Heng, a serious technical ruffian. What ruffian Heng introduced to you today isi. Lookuptable in fdcb of mxrt startup head。 There are usually many peripheral modules inside an MCU. These peripheral modules are the essence of differentiated products made by MCU manufacturers and the core competitiveness of manufacturers (especially those manufacturers producing […]

  • Ruffian Heng embedded: enable the continuous read mode of serial nor flash in the fdcb of i.mxrt startup head

    Time:2021-7-28

    Hello, I’m ruffian Heng, a serious technical ruffian. What ruffian Heng introduced to you today isEnable the continuous read mode of serial nor flash in fdcb。 Previous articles on serial flash transmission timingFast read Quad I / O SDR modeAndFast read Quad I / O DTR modeIn fact, the non continuous read transmission mode introduced […]

  • Rust programming, read command line parameters

    Time:2021-6-1

    Video address Headline address:https://www.ixigua.com/i676544267458235648…Station B address:https://www.bilibili.com/video/av78062009?…Netease cloud classroom address:https://study.163.com/course/introduction…. GitHub address GitHub address Get command line parameters Get the command line parameters through STD:: env. The example is as follows: use std::env; fn main() { let args: Vec<String> = env::args().collect(); println!(“{:?}”, args); } You can also print the number of parameters: use std::env; fn main() […]

  • A super parameter optimization technique hyperopt

    Time:2021-5-3

    By guest blogCompile VKSource: analytics vidhya introduce In a machine learning project, you need to follow a series of steps until you reach your goal. One of the steps you must perform is to optimize the super parameters of the model you choose. This task is always completed after the model selection process (selecting the […]

  • IView table dynamically binding input data

    Time:2021-4-27

    To dynamically bind input data, just perform the following stepsFirst of all, you have to have a big form <Table border :columns=”tableCol” :data=”tableData” :no-data-text=””” class=”mb-15″> <template slot-scope=”{ row, index }” slot=”key”> <Input v-model=”row.key” @on-change=”setData($event, index, ‘key’)” class=”inline-block w400″></Input> </template> <template slot-scope=”{ row, index }” slot=”value”> <Input v-model=”row.value” @on-change=”setData($event, index, ‘value’)” class=”inline-block w400″></Input> < span class […]

  • Bash tips 03: the importance of double quotes

    Time:2021-4-23

    Suppose in a bash script, the functionfooIt is defined as follows: function foo { echo “>> $1 …” echo “>> $2 …” } Call foo: foo “” “test” That is, empty strings and”test”Call for parameter valuefooThe results are as follows >>> … >>> test … Now let’s say there’s a functionbar, which is defined as […]

  • 07 Python function explanation

    Time:2021-4-1

    FunctionA reusable program fragment. They allow you to give a name to a block of code, allow you to run the block of code anywhere in your program with that particular name, and can be repeated any number of times. This is called the calling function. We have used many built-in functions, such as len […]

  • Configuring Oracle self boot on Linux 6

    Time:2021-3-26

    Dbstart, dbshut modification (Oracle user) The premise is $oracle_ Home environment is set correctly, get $Oracle_ Home value, followed by sed -i ‘s/ORACLE_HOME_LISTNER=\$1/ORACLE_HOME_LISTNER=\$ORACLE_HOME/g’ $ORACLE_HOME/bin/dbstart sed -i ‘s/ORACLE_HOME_LISTNER=\$1/ORACLE_HOME_LISTNER=\$ORACLE_HOME/g’ $ORACLE_HOME/bin/dbshut #Verification grep -i “ORACLE_HOME_LISTNER=” $ORACLE_HOME/bin/dbstart grep -i “ORACLE_HOME_LISTNER=” $ORACLE_HOME/bin/dbshut /Etc / oratab modification (root user) sed -i ‘s/:N/:Y/g’ /etc/oratab #Verification tail /etc/oratab rc.local Boot file configuration (root) […]

  • Machine learning (6): Wu Enda’s notes

    Time:2021-2-18

    We have learned linear regression and logical regression before, but it may produce over fitting when it is applied to practice. Next, let’s see how to solve the problem of over fitting What is over fitting We still use the example of house price forecast to see the over fitting in linear regression (1) If […]

  • Introduction to SQL stored procedure

    Time:2021-1-25

    Overview of stored procedures Stored procedure is a group of SQL statements to complete specific functions. It is a kind of programmable object of database, similar to a function It is fast, flexible and safe System stored procedure The built-in stored procedure of SQL Sever is stored in the master library. It is mainly used […]

  • Oracle statistical information collection tool DBMS_ Stats introduction

    Time:2021-1-21

    You can use Oracle’s built-in package DBMS_ Stats to view or modify the collected database statistics. This article mainly introduces gate_ TABLE_ Stats process, through which statistics of tables and columns (or indexes) can be collected. 1 Grammar dbms_stats.gather_table_stats(ownname varchar2, tabname varchar2, partname varchar2 default null, estimate_percent number default default_estimate_percent, block_sample boolean default false, method_opt […]