Install:
// v3.2.1
Config Firebase:
First we need to require Firebase:
from ' Firebase ';
Then on the component constructor, we need to init Firebase:
constructor(props){
super(props); // Initialize Firebase va
To does Auth, first you need to go firebase.console.com to enable the Auth methods, for example, enable Google, GitHub ...Enable Goolge is quite simple, just one click, enable Github, Twitter, and you need-to-do more configuration.Follow the Link:https://firebase.google.com/docs/auth/web/github-authAfter successfully enable it, we create a service to do the AUTH:Import {authproviders, firebaseauthstate, Firebaseauth} from "Angularfire2"; import {injectable} from "@angular/core"; @Injectable () E
The ability to create great applications does not necessarily mean success in business, and there is still much work to be done, and it is no longer possible to announce a "knock-out" after simply releasing the application. You need to be able to quickly make adjustments based on user feedback, test new features, and provide users with the content they care about most.Firebase remote configuration is the result of this. With Firebase remote configurat
Let's just say run the demo and hit the pit.Https://firebase.google.com/docs/unity/setupThis is the Setup Guide for Firebase Unity.About writing steps:1. Firebase Console (https://console.firebase.google.com/) set up your API key to create a good app2. Download Good googleservice-info.plist (IOS), Google-services.json (Android), and throw it into the Unity Engineering directory, which is
The upload class is used in the service layer. Notice it has a constructorfilefor attribute, and which has a type ofFile. This would allows us to initialize new uploads with a JavaScript File object. You'll see what's important in the next step.
export class Upload {
$key: string;
file:File;
name:string;
url:string;
progress:number;
createdAt: Date = new Date();
constructor(file:File) { this.file = file;
}
}
Then build the upload service, which can inject to compo
First I want to distinguish between the immersive status bar and the color-changing status bar.immersive status bar refers to the status bar is hidden, after the finger has done the relevant action, the status bar display, such as video player, when playing video is hidden
Android immersive status bar, color changing status bar, transparent status bar, modification of status bar color and transparency
First, I want to distinguish between the immersive Status Bar and the color-changing status bar.
Im
Nginx and PHP-FPM built a status page, for want to understand the status of Nginx and monitor nginx is very helpful. For subsequent Zabbix monitoring, we need to know what the Nginx status page is.
1. Enable Nginx status configuration
Add location to the default host or the host you wish to have access to.
Part of hypertext Transfer Protocol--http/1.1RFC 2616 Fielding, et al.10 Status Code rule (status code definitions)This article describes the relevant rules for each status code, including the method to be followed by the corresponding status code and any meta-information required in the response.10.1 Informational 1XX
In the lamp structure of the Web site development process, sometimes we need to understand the MySQL server status information, such as the current MySQL startup running time, the current MySQL client session connection number, the current MySQL server execution of the slow query number, The current MySQL implementation of how many SELECT statements, how many update/delete/insert statements, such as statistics, so that we can adapt to the current MySQ
The company's Nagios monitoring Server long-term internal network with the MySQL database issued ctritical alarm, because I will other colleagues of the mobile phone SMS alarm also opened, make the whole system team colleagues are complaining (hehe) At this point, it is necessary to optimize its MySQL database according to its status, which can be run after a steady run of MySQL server for a period of time, according to the "state" of the server to op
First, let's look at the basics of the SHOW INNODB STATUS output, which prints a lot of counters, statistics, transactional information about INNODB internal performance. In MySQL 5, the performance statistics of InnoDB are also shown in the show STATUS results. Most of the other information is the same as SHOW INNODB STATUS, which is not available in the previou
When a Web server responds to a request from a browser or other client, its answer generally consists of the following parts: A status row, several replies
Header, a blank line, content document. Here is one of the simplest answers:
The status line contains the HTTP version, status code, and a brief description of the statu
If you are not loading this module, if you are a Linux server, then you will need to recompile Apache
, compile with parameter--enable-module=so, if you are a Windows system.
, no need for any compilation, just put the time just said LoadModule Status_module
modules/mod_status.so This sentence plus, if the front with a #, open, you need to remove the #
。Http://192.168.99.99/Server-status?refresh=N will indicate that the Access
First look at the following code, and then give you a detailed description of Ajax in the ReadyState (status value) and status (status code) issues, the specific content as follows:
var getxmlhttprequest = function () {
try{
//main browser provides XMLHttpRequest object return
new XMLHttpRequest ();
} catch (E) {
//low version of IE browser does not provi
Label:To see the MySQL running state, to optimize the efficiency of MySQL running is not only to run show status to view the various states, the following is the official documents and online information compiled in Chinese detailed explanation:
Status name
Scope
Detailed explanation
Aborted_clients
Global
The number of connections that were interrupted du
$ OK-[GET]: The server successfully returns the data requested by the user, the operation is idempotent (idempotent).
201 CREATED-[Post/put/patch]: User new or modified data succeeded.
202 Accepted-[*]: Indicates that a request has entered the background queue (asynchronous task)
204 NO CONTENT-[delete]: User deleted data successfully.
INVALID request-[Post/put/patch]: The user has made an error, the server does not make a new or modified data operation, the operation is idempote
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Query procedure:
Topology: A is the one-hop router of bcde, and B is the successor router of CDE.
10.0 of the vrouters are disconnected, and 10.0 of a enters the active state. A will send a query to bcde. After receiving the query, the CDE will know that a cannot access the 10.0 network, immediately put the successor route
For TCP status migration, you are familiar with the netstat-a command. however, have you noticed that the STATE column shows established, time_wait, close_wait, and so on? what do these mean, in this article, I will elaborate in detail. We understand that TCP initialization connection...
TCP status migration
You are familiar with the netstat-a command. however, have you noticed that the STATE column display
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