• My Google browser plug-in set (17)


    1 advertisement interception: Adblock 2 get web page style: CSS peer 3 extension management: Extension Manager 4 JSON format: JSON handle 5 multi highlight 6 GitHub source reading: octotree 7 HTTP interface debugging: postman 8 script enhancement: tamperonkey 9 script injection: script injector 10 keyStep Rufei: vimium 11 Vue development tool: vue.js devtools 12 front […]

  • How to develop UHF reader in Google chome browser


    Google Chrome doesn’t support OCX, so it can’t connect UHF reader and writer through OCX. It can only use RFID reader and writer cloud service plug-in to connect and operate UHF reader and writer yw-602h through JavaScript language. RFID reader cloud service plug-in supports not only Chrome browser, but also Firefox, ie, Safari, opera and […]

  • Functions of tags in POM files


    <project xmlns=”http://maven.apache.org/POM/4.0.0″ xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance” xsi:schemaLocation=”http://maven.apache.org/POM/4.0.0http://maven.apache.org/maven-v4_0_0.xsd”> <! — coordinates of the parent project. If the value of an element is not specified in the project, the corresponding value in the parent project is the default value of the project. Coordinates include group ID, artifact ID, and version. > <parent> <! — component identifier of inherited parent project […]

  • Batch modify resource tag value based on OOS


    scene When there is a label key on resources: Department, label value: retail, how to quickly batch modify the label (key: Department, value: retail) to label (key: Department, value: new retail) due to department resource integration? background information Operation and maintenance choreography service OOS defines the operation and maintenance tasks you need to choreograph through […]

  • Wonderful use of code tag


    The seconds of the code tag are: When you write a large version of CSS or HTML or other code, you want toRemove the extra space and newline in the code to achieve the purpose of compressionYou can create a new HTML file, and thenPut the code snippet you want to compress into the code […]

  • Vue source notes data driven createElement


    Vue version: 2.5.17-beta.0 As recorded in “Vue source code Notes – data driven – render”, through thevm.$createElementFunction creationvnodeData return, record belowvm.$createElementCommon node creation forvnodeImplementation process. new Vue({ el: ‘#app’, render: createElement => createElement(‘div’, { attrs: { id: ‘app’ } }, ‘Hello Vue!’) }) The above example is the use ofvm.$createElementCreate a normal node vnode and […]

  • C? Add, modify and delete excel chart data labels


    In the chart, the chart data label represents the specific data in the chart in the form of data, which can enhance the readability of the chart. We can add data labels to the chart, or modify or delete the existing data labels. The following will be implemented by C code. Use tools:Spire.XLS for .NET […]

  • Python crawls Douban book information


    After crawling to the top 100 list of cat’s eye movies, let’s go back to Douban’s book information (mainly the book information, score and proportion, but the review did not). Original, reprint please contact me. demand:Crawling the details and scores of all books under a certain type of label of Douban language:python support library: Regular, […]

  • Oracle programming


        Into usage: DECLARE a NUMBER; b number; c number;BEGIN SELECT MAX(SAL),MIN(SAL),AVG(SAL) INTO A,B,C FROM EMP;DBMS | output. Put | line (‘maximum wage: ‘| a);DBMS | output. Put | line (‘minimum wage: ‘| b);DBMS | output. Put | line (‘average wage: ‘| C);END;   If statement   DECLARE   score NUMBER := 90;BEGIN   IF score < […]

  • Style attribute


    style <span style=”background-color: #f5f5f5; color: #0000ff;”>var</span><span style=”background-color: #f5f5f5; color: #000000;”> supportDOM2CSS</span><span style=”background-color: #f5f5f5; color: #000000;”>=</span><span style=”background-color: #f5f5f5; color: #000000;”>document.implementation.hasFeature(</span><span style=”background-color: #f5f5f5; color: #000000;”>”</span><span style=”background-color: #f5f5f5; color: #000000;”>CSS</span><span style=”background-color: #f5f5f5; color: #000000;”>”</span><span style=”background-color: #f5f5f5; color: #000000;”>,</span><span style=”background-color: #f5f5f5; color: #000000;”>”</span><span style=”background-color: #f5f5f5; color: #000000;”>2.0</span><span style=”background-color: #f5f5f5; color: #000000;”>”</span><span style=”background-color: #f5f5f5; color: #000000;”>); alert(supportDOM2CSS); </span><span style=”background-color: #f5f5f5; […]

  • Use FastReport report report tool to generate label printing document


    When we actually develop reports, we need to organize the report template design according to certain business rules to make the reports as close to the actual needs as possible. In the previous essay “using FastReport report tool to generate Report PDF document” introduces the processing of FastReport to generate regular reports. This essay reviews […]

  • Front end HTML


    Catalog 1. Nature of Web Services 2.HTML initial knowledge 2.1 what is HTML? 2.2 what is HTML? 2.3 HTML document structure 2.4 HTML tag format, strictly closed 2.5 HTML comments 2.6 label 3. HTML common tags 3.1 common labels within 1 head 3.2meta label 3.3 common tags in body (key points in HTML) 3.3.11 label […]