Programmer Think

February 5th 1. target Master the layout manager of Android UI design 2. Learning notes 2.1 UI components TextView Botton RadioBotton EditView ImageView RecyclerView 2.2 layout manager 2.2.1 linear layout Most common attributes attribute attribute attribute android:id android:layo ...

Article directory 1.filters 2. Calculated calculation attribute 3. watch 4.template 5. Dynamic binding style : class = "object / array" : style = "object / array" 1.filters If there are two vue instances, one instance cannot get the method in the other instance. As follows ...

Recently, I'm learning node.js. It's like playing with something, so this simple reptile is born. Preparation node.js crawler must be installed first node.js Environmental Science Create a folder Open the command line in the folder and execute the npm init initialization project Begin formally Installation dependency express is used to buil ...

Tree structure foundation I. overview Why tree data structure is needed: Tree storage can improve the efficiency of data storage and reading. For example, by using * * binary sort tree, * * can not only ensure the speed of data retrieval, but also the speed of data insertion, deletion and modificat ...

Article directory 6 incident 6.1 event handling: the process of event triggering JavaScript 1) process 2) Binding events to elements 3) Event flow 4) Event object 6.2 using different event types 1) User interface (UI) events 2) Focus event 3) Mouse events 4) Keyboard events 5) Form event 6) Chang ...

In the project, we need to show the success rate of the test through the dashboard of Baidu echarts. We encapsulate a gauge vue component. When we show it, we find that the size is wrong, and the whole image is limited to a very short range, as shown in the following figure: The component files are as follows: <template& ...

Still using mysql for full-text indexing? Try elastic search! Note: the following documents are based on elasticsearch version 7. X, which is different from the old version 1. Format description The data interaction interface of elasticSearch is based on http protocol, and the basic format is as fol ...

Views on several methods of dependency injection in spring IOC(inversion of Control): It is an inversion of the direction in which resources are acquired by the container that actively provides the resources acquired by the component, rather than being created by the container itself.All the compo ...

Data array of xarray data structure Create a DataArray DataArray property DataArray coordinates xarray.DataArray is a multidimensional array that uses labels. It mainly has the following key properties: Values: a numpy.ndarray to hold array values dims: Dimension name of each axis (for example, ...

From other frameworks, we have our own configuration files. hibernate has hbm, mybatis has properties, and SpringBoot also has global configuration files. Spring boot uses a global configuration file, and the name of the configuration file is fixed. (you can start by yourself, but you need to specif ...