what different types of fitbits

One, what are the thinkphp configuration types? 1. In thinkphp, there are 6 configurations. That is, custom configuration, application configuration, extended configuration, module configuration, scene configuration, dynamic configuration. 2. The custom configuration is the system default configuration. 3. Application configuration is the individual configuration of the app that we developed ourselves. 4.

arrangement. It's a bit like "playing" House music. It's like SASH! Album It ''' My Life is a very good Progressive House album. Epic House is an "Epic" House. Epic House with beautiful, smooth melody and magnificent momentum, and few vocal in it (almost none !). BT's music is a great Epic House, which is also called "Epic House Emperor". In fact, even Rock also has "Epic Rock" Trible House imagine: What is a House with an original African style or a

　　1, what is the gateway According to different classification criteria, there are many kinds of gateways. The gateway in the TCP/IP protocol is the most commonly used, where we speak of "gateways" that refer to the TCP/IP protocol gateway. What is a gateway? A gateway is essentially a network IP address that leads to other networks. For example, network A and n

1. What is the purpose of static? (Please specify at least two types) 1) In the function body, a variable declared as static remains unchanged when the function is called. 2) in a module (but in the function body), a variable declared as static can be accessed by the function used in the module, but not by other functions outside the module. It is a local global variable. 3) in a module, a function declared

What are the types and features of database indexes? It effectively optimizes the VPS performance and increases the running speed of the VPS server. In addition to configuring the WEB Server properly, we need to be able to optimize our website programs and database, the most basic optimization measure for website database optimization is to create a database index. Here we will introduce it,

It turns out that the controversy and discussion over flattening has led to a variety of flattened styles. Without argument, there will be no change! Information level simplification, minimalism, which I think the core of flattening, different designers certainly understand this is also different, we have not found that the recent flattening has changed. Experiment, add effect, failure! Experiment again,

, ordinary index is enough, but not necessarily, such as mailbox or mobile phone number, these can add some unique index (uniqie), so that the data can be unique, query faster; 7, according to the use of the scene and business, add a different index, index commonly used are: Primary key index, unique index, ordinary index, and full-text index. You can put multiple fields together to build an index called a federated index, such as I indexed the

Often have DIY installed friends will ask, buy motherboard what board type motherboard good Ah, is the choice of the motherboard or small board? For such a problem, sometimes very difficult to answer, because the installed time, the choice of motherboard board type is not only related to the chassis, but also with their own needs. Today, the computer Pepsi Net small make up to specific and everyone to talk about the choice of the motherboard board typ

A few days ago, I saw a blog about the redefinition of the test classification, which made us quite touched. Therefore, I need to re-learn and understand the classification of the test, I also classify my current testing work and try to ask myself what tests I have done and what skills and experience I have, because these are of practical significance to our career development, I used to be so vague before

Transfer from other networks A while ago, I participated in the development of a WAP website and found that many MIME types need to be added. What is the MIME type?The MIME type is used to set a file extension. Program When the file with the extension is accessed, the browser automatically opens the file with the specified application.For IIS, if you want to use IIS for wapserver, you must add the MIME t

you don't have to use instancetype, but I suggest you use it. Here's why I suggested so.There are three advantages to using Instancetype:1. Clear sex. The code does only what you let it do, not the other.2, stylized. You will develop good habits that will be useful at some point and certainly have a niche.3, consistency. Make your code more readable.Clear SexThere is really no technical benefit to using instancetype instead of ID as the return value.

What is a CSS selector? The CSS selector is the tag that specifies the CSS to function, and the name of the tag is the selector. means: Select which container. Elements in an HTML page are controlled by a CSS selector. So, what are the CSS selectors? Let's take a look at CSS common selectors 1:CSS Wildcard Selector The wildcard selector is represented by an asterisk (*), for example: *{ font-size:12px;}