10 recommended content about triggers

During web development, it is often encountered that the browser does not respond to events and enters a state of suspended animation, or even pops up a prompt box of "Script running time is too long". If this happens, it means that your script is out of control. A browser has at least three threads: js engine thread (processing js), GUI rendering thread (rendering page), and browser event trigger thread (controlling interaction). 1: The JavaScript engine is based on event-driven single-thread execution. The JS engine has been waiting for the arrival of tasks in the task queue and then processed them. The browser has only one JS thread running the JS program at any time. 2: The GUI rendering thread is responsible for rendering the browser interface. When the interface needs to be repainted (Repaint) or a reflow is caused by a certain operation, this thread will be executed. However, it should be noted that the GUI rendering thread and the JS engine are mutually exclusive. When the JS engine is executed, the GUI thread will be suspended and the GUI update will

1. 10 recommended courses about webWorker

##Introduction:  It enters a state of suspended animation in response to an event, or even pops up a prompt box of "Script running time is too long." If this happens, it means that your script is out of control.       A browser has at least three threads: js engine thread (processing js), GUI rendering thread (rendering page), and browser event trigger thread (controlling interaction).      1: JavaScript introduces...

2. 10 recommended content for logical architecture

Introduction: 1. The top level of MySQL’s logical architecture is not unique to MySQL. All network-based C/S network applications should include connection processing and authentication. , safety management, etc. The middle layer is the core of MySQL, including query parsing, analysis, optimization and caching. At the same time, it also provides cross-storage engine functions, including stored procedures, triggers, and views. The bottom is the storage engine, which is responsible for accessing data. The server can interact with various storage engines through the storage engine API. 1.1. Query optimization and execution (Optimization...

3. overflow: 6 recommended content of auto

Introduction: In fact, the Zoom attribute in CSS is generally unknown, and it cannot even be found in some CSS manuals. In fact, the Zoom attribute belongs to IE browser. Proprietary attribute, Firefox and other browsers do not support it. It can set or retrieve the zoom ratio of the object. In addition, it has other functions, such as triggering the hasLayout attribute of ie, clearing floats, clearing margin overlap, etc. The Zoom attribute is a proprietary attribute of IE browser, so its floating function is only applicable to IE browser, while Firefox, Google and other browsers...

4. curry How to use? Summarize the usage of curry examples

Introduction: I am learning javascript functional programming recently, and I am very familiar with it. I am very interested in curry. The curry function can accept a function, which we call the original function for the time being. It also returns a function, a curried function. The returned curried function is very powerful. During its execution, Continuously returns a function that stores the passed parameters until the condition for execution of the original function is triggered. This is more general, so let’s give an example: original function: var add = (x,&nb. ..

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Summary on design tips

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Introduction: This article mainly shares 12 HTML5 design tips that are not well known to everyone. I believe you will definitely gain something. Interested friends can refer to the 12 tips that are not known to everyone. The well-known HTML5 design tips are as follows: 1. In terms of interaction, use the right sliding operation method with caution. Such as: scratch-off smear effect, sliding left and right to turn pages, etc. Reason: On Apple phones, sliding to the right can easily trigger the effect of returning to the "previous page". 2. In terms of interaction, use horizontal screen display with caution. Reason: In terms of experience, the user device needs to turn on the screen rotation function to view it normally. The user operation is...

6. Summary of usage of html input box

Introduction: The new tag datalist in HTML5 can automatically enter the database fuzzy query when entering the first letter of Chinese/Pinyin. And return the corresponding results to generate the datalist. Because when the input content in the input box changes, the datalist will automatically trigger the drop-down box. The solution is very good. Let’s share the example code with you through this article. Friends who need it can refer to it recently. The project involves a small function. When the customer chooses a supplier, due to the large number of suppliers (about 3,000), it is obviously unrealistic to directly generate a drop-down box, so the solution is to replace it...

7. 7 recommended articles about exit procedures

Introduction : The editor below will bring you a method in C# to automatically restart the program after exiting it. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor and take a look. The example is as follows: //Trigger exit program event private void button1_Click(object sender, EventArgs e)    {&nb...

8. Detailed introduction about fscok

##Introduction: When the web server executes a script, it may be completed in a few milliseconds, or it may not be completed in several minutes. If the program executes slowly, the user may not have the patience to wait any longer and close the browser.     Sometimes, we don’t even care about the execution results of these time-consuming scripts, but we still have to wait for them to finish executing and return before we can continue to the next step.       So is there any way to simply trigger the call of these time-consuming scripts and then continue to the next step, so that these time-consuming scripts can be served on the server...

9. 10 recommended articles about user_error

##Introduction: Current number of APIs 12 Create (4)    trigger_error — Create a user-defined error message, used to trigger an error message under user-specified conditions. It is used with the built-in error handler, and can also be used with user-defined functions created by the set_error_handler() function   user_error — alias for trigger_error   set_er...

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10 recommended articles about the php user_error() function

# #Introduction: The current number of APIs is 12 created (4) trigger_error - Create a user-defined error message, which is used to trigger an error message under user-specified conditions. It is used with the built-in error handler, and can also be used with user-defined functions created by the set_error_handler() function. user_error — an alias for trigger_error. set_error_handler — sets a user-defined error handling function, replacing the built-in...

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