JavaScript Expressions: Introduction to URL Protocol_Basic Knowledge
javascript: can be followed by any legal javascript expression or a collection of expressions separated by semicolons, and the results will be returned to the browser window in the form of a string.
For example, enter javascript: 5 4 in the address bar of the browser. After pressing Enter, the browser window will display 9
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Which protocol does vivo fast charging belong to?
Sep 06, 2022 pm 02:43 PM
There are two main protocols for vivo fast charging: 1. "QC 2.0" fast charging protocol. "QC2.0" is "Quick Charge 2.0" technology. It is version 2.0 of fast charging technology released by Qualcomm. It can output 5V, 9V, and 12V. , 20V four voltage groups; 2. PD fast charging protocol is a fast charging specification formulated by the "USB-IF" organization. It is one of the current mainstream fast charging protocols and can make the current default maximum power "5V/2A" The "type-c" interface is increased to 100W.
What is the maximum watt of PD3.0 fast charging protocol?
Nov 08, 2022 pm 04:04 PM
The PD3.0 fast charging protocol supports up to “100W”. In November 2015, USB PD fast charging ushered in a major version update, entering the USB PD3.0 fast charging era; the PD3.0 protocol supports 5V3A, 9V3A, 12V3A, 15V3A, 20V5A output, and the maximum power can reach 100W. Not only can It can be used to charge mobile phones, and can also be used to power laptops or monitors.
PHP function introduction—get_headers(): Get the response header information of the URL
Jul 25, 2023 am 09:05 AM
PHP function introduction—get_headers(): Overview of obtaining the response header information of the URL: In PHP development, we often need to obtain the response header information of the web page or remote resource. The PHP function get_headers() can easily obtain the response header information of the target URL and return it in the form of an array. This article will introduce the usage of get_headers() function and provide some related code examples. Usage of get_headers() function: get_header
Why NameResolutionError(self.host, self, e) from e and how to solve it
Mar 01, 2024 pm 01:20 PM
The reason for the error is NameResolutionError(self.host,self,e)frome, which is an exception type in the urllib3 library. The reason for this error is that DNS resolution failed, that is, the host name or IP address attempted to be resolved cannot be found. This may be caused by the entered URL address being incorrect or the DNS server being temporarily unavailable. How to solve this error There may be several ways to solve this error: Check whether the entered URL address is correct and make sure it is accessible Make sure the DNS server is available, you can try using the "ping" command on the command line to test whether the DNS server is available Try accessing the website using the IP address instead of the hostname if behind a proxy
What is the difference between html and url
Mar 06, 2024 pm 03:06 PM
Differences: 1. Different definitions, url is a uniform resource locator, and html is a hypertext markup language; 2. There can be many urls in an html, but only one html page can exist in a url; 3. html refers to is a web page, and url refers to the website address.
How to get your Steam ID in a few steps?
May 08, 2023 pm 11:43 PM
Nowadays, many Windows users who love games have entered the Steam client and can search, download and play any good games. However, many users' profiles may have the exact same name, making it difficult to find a profile or even link a Steam profile to other third-party accounts or join Steam forums to share content. The profile is assigned a unique 17-digit id, which remains the same and cannot be changed by the user at any time, whereas the username or custom URL can. Regardless, some users don't know their Steamid, and it's important to know this. If you don't know how to find your account's Steamid, don't panic. In this article
How to use URL encoding and decoding in Java
May 08, 2023 pm 05:46 PM
Use url to encode and decode the class java.net.URLDecoder.decode(url, decoding format) decoder.decoding method for encoding and decoding. Convert into an ordinary string, URLEncoder.decode(url, encoding format) turns the ordinary string into a string in the specified format packagecom.zixue.springbootmybatis.test;importjava.io.UnsupportedEncodingException;importjava.net.URLDecoder;importjava.net. URLEncoder
What are the 5 industrial communication protocols?
Sep 28, 2022 am 11:52 AM
5 types of industrial communication protocols: 1. Modbus protocol, which is a universal language used in electronic controllers; 2. RS-232 protocol, which is a serial physical interface standard; 3. RS-485 protocol, which is based on RS232 Developed on the basis of; 4. HART protocol is a communication protocol used between on-site intelligent instruments and control room equipment; 5. MPI protocol is a cross-language communication protocol used to write parallel computers.
