Tag：Percentage
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HTML table markup tutorial (3): width and height attributes width, height
By default, the width and height of the table are automatically adjusted according to the content. We can also manually set the width and height of the table.Basic grammar <TABLE WIDTH=VALUE HEIGHT=VALUE> Grammatical interpretation The width attribute defines the width of the table, and the height attribute defines the height of the table, in pixels […]
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Stack overflow: help onemillion developers quit VIM
Brief comment: note that this is not a drill. It is really difficult to exit VIM editor. Morning, onePopular stack overflowThe issue became a major milestone: You are not fighting alone, jclancy. In the five years after this problem was raised, more than a million developers have encountered the same problem, which cannot be solved […]
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Springboot interface custom serialization
Demand background When we write the interface, we may have such requirements. For example, the BigDecimal field sometimes needs to be displayed to two digits after the decimal point, sometimes needs to be displayed as a percentage, and sometimes needs to be rounded. @Data public class Order { /** *Order No */ private String orderNo; […]
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Flex layout, flex growth, flex shrink, flex basis
Flex is the abbreviation of flex, flex growth, flex shrink and flex basis:Flex grow (default = 0),Flex shrink (default = 1),Flex basis (auto by default)For example, if the value of flex is none, the calculated value is 0 0 auto, which is equivalent as follows: .item {flex: none;} .item { flex-grow: 0; flex-shrink: 0; flex-basis: […]
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A script that counts the percentage of memory usage
A script that counts the percentage of memory usage #!/bin/bash #Author YangLei #yum install -y bc change_rate_uv=`echo “scale=2; $(free -m|awk ‘{print $3}’ |sed -n ‘2p’)/$(free -m|awk ‘{print $2}’ |sed -n ‘2p’) * 100 “|bc`% if [ `echo $change_rate_uv|cut -c 1` == “.” ]; then change_rate_uv=0$change_rate_uv fi echo $change_rate_uv shell linux This work adoptsCC agreement, reprint […]
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CSS function those things (III) background image function
url() The URL function represents a reference to a resource, which can pass in links and relative addresses, such as Background image: URL (‘.. / background image function. PNG’); background-image: url(‘https://s3.ax1x.com/2020/11/29/DcV9V1.png’); image() Image functions are similar to URLs, but unlike URLs, image provides agraceful degradation Ability. such as background-image: image(‘a.webP’,’a.png’,’a.jpg’); This code means that if […]
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【GO】gorm
reference material[1] Connect to database[2] Official documents 1. Introduction gormIs usedormMapping, so you need to define the name of the table to operate onmodel, you need to define one in gostruct， structThe name of is the name of the corresponding table in the database. Note:gormlookupstructWhen the name corresponds to the table name in the database, […]
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Some thoughts about sass
@The difference between extend and @ mixin 1. The @ extend command is not flexible enough to pass parameters. @extendOnly code snippets can be passed, [email protected] can be passed. If it’s just this difference, someone might think, I use [email protected]’s good. Mo Fang, look at the second item. 2. The compilation results are different. @[email protected] […]
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Usage instructions of PostgreSQL for rounding, decimal conversion and percentage
Requirement: divide two integers, keep two decimal places and round them, and convert them into percentage form, that is, 4 / 5 = 0.80 = 80% 1. Divide two integers: idn_dw=> select 4/5; ?column? ———- 0 (1 row) In SQL operation, “/” means dividing and rounding, so that the decimal part will be rounded off. […]
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R data analysis uses dplyr package to convert the existing numerical sequence into percentage sequence
In data analysis, we sometimes have such requirements, such as converting existing numerical columns into percentile columns. Case study1: For example, we have the following table, which represents the absolute number of four bases of ATGC. Base Num A 1000 T 2000 G 4000 C 5000 Now we want to add a column to represent […]
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Method of obtaining the interface of Yan and spark UI for big data development
1、 YarnTake obtaining the queue information of the Yan interface as an example:1. Interface (HTTP request)http://ip:port/ws/v1/cluster/…IP and port: the IP address and port number of the Yan ResourceManager active node2. Request methodGET3. Response HeaderHTTP/1.1 200 OKContent-Type: application/jsonTransfer-Encoding: chunkedServer: Jetty(6.1.26)4. Response BodyQueue information displayed by Yan Web UI:requesthttp://bigdatalearnshare01:80…：{ “scheduler”:{ “schedulerInfo”:{ “Type”: “capacityscheduler”, — scheduler type “capacity”:100, […]