Database Name, Instance name, database domain name, global database name, and service name are several confusing concepts for many beginners. I believe that many beginners are confused by these concepts on the title just like me. Now let's figure them out.
I. Database NameWh
Label:First, the database nameWhat is a database name?The database name is the identity of a database, just like a person's ID number. He used parameters Db_name says that if a machine is loaded with multiple databases, every database has a database name. After the database installation or creation is complete, the parameter db_name is written Parameter file. The
Microsoft last year was a relatively large year, the latest version of the IE8 browser launched last March, and at the end of the year released a new operating system of Windows 7, since the new product's market share has been a small increase in the upsurge. "Microsoft's IE8 face is not only ordinary browser users, from the IE8 browser with the" Developer tools "we can see that it is a web developer facing the platform. "Although Microsoft has already proposed that the lower version of IE users
handshake to complete. In the handshake phase, the server must provide the website certificate. How does the server know which certificate to send when different HTTPS sites are deployed on the same IP address and different certificates are used?
Server Name Indication (SNI) is an extension of TLS. With SNI, the server can useClient HelloThe SNI extension in receives the Server Name that the user wants to
I had a project several months ago and had a headache in displaying and executing JavaScript and CSS in different browsers. Today I searched the internet and summarized the information, this document is from the Internet and cannot be used to specify the source.
I. There are two methods to write CSS for different browsers:
1. Use the underscore (*) and underscore (_) to distinguish them, as shown below:
geometric values, such as window size and scroll values. However, the browser can store these values in different attributes. Some attributes even have the same name and different meanings. A better way is to create your own unique variables to represent these attribute values. Listing 2 demonstrates how to create unique properties in most mainstream browsers.
List 2. Define some common variables as uni
Document directory
1. Only IE Opera supports binding and unbinding Event Listeners using the 'tachevent' and 'detachevent' methods.
2. Differences between browsers in obtaining event objects
3. Differences in properties and methods of event objects in various browsers
1. Use features to determine whether to bind and unbind functions to event listeners without compatibility issues
2. Use features to d
This article compares 8 of the most commonly used PC browsers in the country to find their own bright spots and "killer" features, all of which are based on Windows platforms. and anti-virus software is not the same, although the browser is also fierce competition, but there is no compatibility problem, so the following 8 kinds of browsers are desirable for its essence.
Firefox Chinese version
Killer func
very clear.What is it.
Its Bookmarks can also be circled. You can search the bookmarks globally or input them in the address bar. Like Firefox, operaThere are no tagged bookmarks, but the Bookmarks can be named differently. When you enter an address in the address bar, you can also use a different name. Bookmarks can also be sorted alphabetically or by the actual drag-and-drop order. Next, there are many smallFunction. By default, the pop-up window
How can I set the ability to prevent the browser from automatically saving form information, such as user name, password?
Now many browsers have automatic filling function, I used the input on the autocomplete= "off", but in some browsers or was remembered the username and password, is there any more effective and easy way to prevent the browser to remember the u
package com.trinea.sns.activity, but ifUpdatestatusactivity under the bag com.trinea.sns.activity, and viewsnsactivity under the bag com.trinea.sns.activity2 what to do?Each activity, service, and other application component will correspond to a android:name, which needs to specify a class name, like the one above. Updatestatusactivity and Android.intent.action.MAIN. Did you find out the difference between the two? The first one is. The way and the s
First, a brief introduction to what is the browser kernel.The most important or core part of the browser is "Rendering engine", which can be translated into "interpretation engines", but we are generally used to call it "browser kernel". Responsible for interpreting Web page syntax (such as HTML, JavaScript) and rendering (displaying) Web pages. So the so-called browser kernel is the rendering engine used by the browser, and the rendering engine determines how the browser displays the contents o
1. The name field is used to store the customer's name, and the query result needs to be sorted by surname Pinyin, there is now a problem,Names include both Chinese and English names, such as Zhang San, John Doe, Jaewon Park, Lao WangSo query out the results of the English name of the person forever ranked firstSort I'm using the following sentenceCONVERT (
1. Package Name: Package name is usually lowercase English letter2. Class Name: Capitalize the first letter of the word3. Variable Name:1) identifiers consist of letters, numbers, underscores "_", dollar Sign "$" or the renminbi symbol "¥", and the initial letter cannot be a number.2) Keywords and reserved words cannot
A record
Quote:The A (Address) record is used to specify the IP address record corresponding to the Host Name (or domain name. You can direct the website server under this domain name to your web server. You can also set a subdomain name for your domain name. In general, a
Standard Reference
According to W3C DOM 2 Events, the EventTarget interface is implemented by all nodes that support the DOM event model. This interface provides the 'addeventlistener 'and 'removeeventlistener' methods to bind or unbind an EventListeners interface to an EventTarget.
DOM 2 Events defines the Event interface to provide the context information of the Event. It provides several standard attributes and methods. Objects that implement the Event interface are generally passed into the
ensure the integrity and confidentiality of data during transmission. After TLS is enabled, the URL prefix of the HTTP protocol needs to be changed from http: // to https: //; the URL prefix of the WebSocket Protocol needs to be changed from ws: // to wss ://.
DNS
DNS (Domain Name System) is a well-known Domain Name resolution service that provides conversion from Domain
After reading "how to protect privacy-related software and service selection" and "how to protect privacy-related browsers to cause privacy leaks" and "how to prevent browser cookies, in the face of security risks in browsers, how can we isolate browsers?
★How to isolate browsers?
◇ Why isolate
1, JS engine in the code load in the syntax analysis, if the JS write is not standardized grammar analysis pass. The error of this time is called a grammatical error
2, the grammar analysis passed, the JS engine will execute the code. Errors that occur during execution are known as run errors
Different engines handle these 2 kinds of errors with hints that are not quite the same. As follows:
Copy Code code as follows:
var p = {name: "
How to solve the Chinese garbled characters in the file name downloaded from PHP across browsers. Solution to Chinese garbled characters in file names downloaded from different browsers in PHP this article mainly introduces how to solve the problem of Chinese garbled characters in file names downloaded from different browsers
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