Tag:Effect

  • ArcGIS for JS Argus map limits the display of specific areas

    Time:2020-11-22

    ArcGIS map services restrict specific areas and mask other maps that are not displayed Method 1: using canvasclearRectMethod to achieve the effect of hollowing outMethod 2: using the path of canvas to achieve the effect of hollowing out Clearrect method: var c=document.getElementById(“myCanvas”); var ctx=c.getContext(“2d”); ctx.fillStyle=”#fff”; ctx.fillRect(0,0,300,150); ctx.clearRect(20,20,100,50);

  • Front end daily combat work 174: calendar

    Time:2020-11-20

    The mid autumn National Day holiday is over, but also into the work, do a calendar to commemorate it. Effect preview Press the “click preview” button on the right to preview on the current page, and click the link to preview in full screen. https://codepen.io/comehope/pen/mdEyWEv Source code download For the full source code of daily […]

  • How to implement a table section that can be folded and expanded

    Time:2020-11-19

    How to implement a table section that can be folded and expanded This is a simple IOS swift project, which aims to introduce how to implement a table section that can be folded and expanded. Moreover, the project does not need main storyboard, Xib, registration nib, etc., but only pure swfit code! Project source code: […]

  • Solve a magic bug in Xib custom tablefooterview

    Time:2020-11-19

    Recently, I saw a magic bug when I was doing a demo. After searching, debugging and modifying the code, I solved this bug, but I don’t know why. Here I plan to share this process for your reference, and also ask the great God to guide you. The thing is, I plan to use Xib […]

  • Canvas realizes custom Chinese lantern particle effect

    Time:2020-11-17

    If you don’t talk much, see the effect firstVideo effectsHands on experienceThere are two small points to consider in implementing this function How to convert Chinese to dot matrix How to achieve particle effect How to convert Chinese to dot matrixParticle effect requires that every character is composed of dots. As we all know, it […]

  • Teach you Python hand in hand

    Time:2020-11-16

    Basic knowledge What is a programming language It can be simply understood as a language that computers and people can recognize What is Python A programming language Install Python development environment What is the development environment Simply understood as a platform to run python Go to Python website (link:www.python.org )Download Python softwareP. S. recommend downloading […]

  • Mybatis series (3) – Foundation – mybatis multi condition query and fuzzy query example

    Time:2020-11-16

    Step 1: run first, see the effect, and then learn Step 2: imitation and troubleshooting Step 3: Based on the previous step Step 4: fuzzy query Step 5: multi condition query Step 1: run first, see the effect, and then learn As the old rule, first download the executable items in the download area (click […]

  • CSS to achieve the effect of two elements (sticky effect)

    Time:2020-11-16

    I remember that a few years ago, there was a vicious and interesting circular button in the lower left corner of Taobao mobile version. After clicking, several small buttons would appear, and the animation on the stage was very interesting. Only later did we know that this effect was called “sticky” effect, as shown in […]

  • Jelly technical weekly Vol.23: is vue3 one piece on the great route?

    Time:2020-11-16

    Dandelion · jelly technical weekly Vol.23 In the past two days, we should have been swept by Vue’s release of version 3.0, bearing many people’s expectations. Vue finally pushed the new version of the ship to the front stage for public inspection. Then, will the vue3, code named one piece, go through the tests of […]

  • Mybatis series (4) – Basics – one to many

    Time:2020-11-15

    Step 1: one to many relationship between classification and product Step 2: table structure Step 3: prepare data Step 4: run first, see the effect, and then learn Step 5: imitation and troubleshooting Step 6: effect Step 7: product entity class Step 8: modify the category entity class Step 9: not required for the time […]

  • Mybatis series (5) – Basics – many to one

    Time:2020-11-14

    Step 1: run first, see the effect, and then learn Step 2: imitation and troubleshooting Step 3: many to one relationship Step 4: look at the effect before learning Step 5: modify Product.java Step 6: Product.xml Step 7: mybatis- config.xml Step 8: testmybatis Runnable project steps Step 10: Exercise – modify the many to one […]

  • Front end daily combat work 175: Yin Yang pattern drawn by pure CSS

    Time:2020-11-13

    Yin and Yang is a simple and broad concept of ancient Chinese philosophy. It is difficult to form one another with or without one another. It is a binary system invented by our great ancestors. Therefore, programmers should learn more and understand it. Effect preview Press the “click preview” button on the right to preview […]