web Storage is an important function introduced by HTML 5. It is often used in the process of front-end development. It can store data locally on the client side, similar to cookie, but its function is much stronger than cookie. Cookies are only about 4Kb in size (browsers vary in size), while web Storage is ab ...
Posted on Sat, 18 May 2019 20:00:07 -0700 by classix16
The general flow of the front end:
The Login component first sends a post request to the back end after entering the username and password, and then saves the returned token and username to the session Storage according to whether the returned data is normal or not, and uses the navigation guard to jump to the main page. There is a default pa ...
Posted on Sat, 18 May 2019 17:43:45 -0700 by yumico23
The start of laravel needs to appear in the browser through routing, middleware, controller, model and view. Routing, middleware, and models all have their own classes, such as Route::any(), DB::table(), $this - > middleware (), and so on. These functions are all deployed by an object called IOC (service container).
It's like a housekeeper i ...
Posted on Sat, 18 May 2019 13:56:24 -0700 by karlovac
[Reproduced by the author and Original link,
If there are any errors, please correct them in the comments.]
From the three previous blogs, we can see that the core functions provided by ZooKeeper are very simple and easy to learn. It may leave a strong impression that ZooKeeper is not ...
Posted on Sat, 18 May 2019 13:14:05 -0700 by *mt
Finally, let's look at the main function.
First, call some library functions and set parameters when running files.
from __future__ import absolute_import, division, print_function
# only keep warnings and errors
import numpy as np
Posted on Thu, 16 May 2019 17:55:29 -0700 by gmann001
1. There are two tasks of loading pictures. After loading all the pictures, the corresponding operations should be carried out. Time-consuming operations should not be placed in the main thread. So the sub-threads should be loaded and realized by queue group.
// Create queue groups
dispatch_group_t group = dispatch_ ...
Posted on Wed, 15 May 2019 16:29:59 -0700 by sgarcia
In view of previous experience with express and koa, these two days I want to try to build a simplified version of koa, using the least code to achieve koa and koa-router, and also comb the core content of Node.js network framework development.
The core code after implementation does not exceed 300 lines. source code Detailed comments ...
Posted on Wed, 15 May 2019 08:38:51 -0700 by Belleanme
In the previous section, we have talked about programming with interfaces. In this way, one thing to note is that in the User.xml configuration file, mapper namespace="com.yiibai.mybatis.dao.IUser", namespace correspondence is very important, the name can not be wrong, and must be consistent with the package and inter ...
Posted on Wed, 15 May 2019 07:45:50 -0700 by naomi385
PostgreSQL, no session, Customer service response speed, trigger, rule, window query
Usually there may be one-to-many, many-to-many situations in the Customer service system.
When we use Taobao, when we communicate with stores, you have no idea whether the second elementary school is one or more people sharing ...
Posted on Wed, 15 May 2019 04:12:33 -0700 by philippo
What is the 0x00 who command?
The system environment I'm using is Ubuntu 18.04, and we can tell who's using the system by the who command:
There are three other forms of the who command:
who am i，who am I，whoami
How does the 0x01 who command work?
We can find the login user information in unix's help documentati ...
Posted on Wed, 15 May 2019 03:56:51 -0700 by mubeena