java - In a simple multi-threading example, how to analyze the execution process of multiple threads based on the printed results?

A simple multi-threading example, how should I analyze the execution process of multiple threads? In this example, I want to know the execution process of these 5 threads, and then this result will appear on the console?

滿天的星座 2017-05-27 17:40:53 0  1  569

javascript - js call execution process

{Code...} The img cannot be uploaded due to network speed. Sorry, I want to know the specific function of that call. What does this code mean? What is the execution process? Thank you all.

迷茫 2017-05-19 10:37:03 0  5  568

When PHP executes a loop to collect data, how to terminate the execution of the program through a button

Do any of you masters know? When collecting data in a loop, how to terminate the execution of the program through a button? The amount of data is very large, and there are millions of loops. What should I do if I want to terminate it?

烛光 2019-11-22 15:56:28 0  0  1128

javascript - js mechanism problem, should we wait for the main thread to finish executing before executing asynchronously? If the main thread has tens of thousands of lines, or is it context-related?

1. Like the question, I want to ask a question about the js mechanism. Is it necessary to wait for the main thread to finish executing before executing asynchronous operations? 2. Detailed explanation of JavaScript running mechanism: Let’s talk about Event Loop again. Most people have read this arti...

为情所困 2017-07-05 11:07:37 0  1  977

PHP execution principle

Does php rely on process startup? When the script execution ends, the object in the angle brackets will be destroyed. How to implement the object pool? Is it through a resident process?

2018-10-24 14:25:27 0  0  783

After PHP finishes executing the program, it wants to perform a form submission action.

I want to execute the SUBMIT action of a form after the SQL insert program is successfully inserted. How should I write it, fellow experts! Thank you! {code...} {code...}

PHPz 2017-05-16 13:14:38 0  2  437

There is no error message when an insert statement is executed in mysql, but an error message is displayed when executed through php.

The statement is generated by the program. There is no problem in directly copying it to FRONT. However, when executing it in the program, an error message will appear: 1062: Duplicate entry '1000000007' for key 'PRIMARY'. Please help analyze the reason.

叶祖峰 2019-03-14 22:06:33 1  2  1118

java - How does the program execute the top or ping command in the shell?

Sometimes a program is used to execute shell commands. But what if I execute a command like top or ping? This kind of command will not be terminated directly, but will always be executed. How do I get its execution status and how do I terminate it?

某草草 2017-05-17 10:03:20 0  3  864

Questions encountered when testing multi-threaded execution in java?

Questions about multi-threaded execution of java time test? public class Cai implements Runnable { {code...} } public class Run { {code...} } When the test2 method is executed, why does it appear like: Thread 1 loop 0- 99, Thread 2 loops 0-10 and then the program ends. This is why...

ringa_lee 2017-05-17 10:01:14 0  2  690

implement

Can I directly execute the exe file compiled by go without installing the go environment?

chao 2024-02-25 16:05:30 0  0  307

java - Mybatis executes sql summation problem

This is a summation sql I need to execute. In the client, the query value count is 0.select count(1) as COUNT from dd_mst where ac_id=1000002400 and ac_seqn<>1 and ac_sts ='1' passed in the program The following tool class is called: The problem is, through...

淡淡烟草味 2017-06-14 10:51:48 0  1  711

java random delayed execution

How to delay the execution of a program and specify the delay time for access, such as recording the request after receiving it, so that subsequent operations can be delayed for one day.

某草草 2017-05-27 17:40:47 0  5  935

javascript - The js code obfuscated by uglify cannot be executed in the webview of ios

As the title states, the js code obfuscated by uglify cannot be executed in the webview of ios. Because there was a need for encryption obfuscation before the company's products were launched, I used webpack -p to compress a piece of very simple js and threw it to the ios engineer, and then I was to...

世界只因有你 2017-07-05 11:04:12 0  2  955

linux - Write a script to modify the configuration information in the file, execution error

There are mainly three files test.cnf test.sh test.txt. Execute test.sh to read the configuration of test.cnf to modify the content of test.txt. During the execution, the configuration was read successfully but was not found when sed was executed. sed here is just for debugging without modifying tes...

欧阳克 2017-07-04 13:45:27 0  1  820

Execute stored procedures containing SQL scripts using Robot Framework

I want to run a sql script that contains database and table creation as well as stored procedure creation. But when I try to run the sql script in databaselibrary using executesqlscript keyword, I get the following error: ProgrammingError: (1064,"YouhaveanerrorinyourSQLsyntax;checkthemanualthat...

P粉031492081 2023-08-28 22:08:52 0  1  512

linux - scheduled task every minute cannot be executed

The liunx scheduled tasks and the daily scheduled tasks can be executed, but the tasks that are executed every minute by the liunx scheduled tasks are not executed. What is the reason? ? ? ? ? ? Ask God to specify. . . . 50 23 * sh /home/weblogic/yunwei_tool/crontab/backup_log.sh >/dev/nul...

漂亮男人 2017-06-05 11:11:41 0  3  857

javascript - What is the execution process when the each function traversal in jQuery is used together with the animate function?

{Code...} What I don’t understand is that when each loop is performed, the execution of the animation takes 500ms. Does that mean that the next loop will be started after the animation execution ends, that is, 500 milliseconds? Or do you wait for the animation to finish executing before executing th...

三叔 2017-06-30 10:00:02 0  2  945

Why are 4 lines executed in the end?

Why are there still these four lines in the final result? I am Goudan, I haven’t executed it yet 1 I am Goudan, I haven’t executed it yet 2 I am Goudan, I haven’t executed it yet 3 I am Goudan, I haven’t executed it yet 4

SAM 2018-12-17 00:33:24 0  1  1333

Execute to readImage with Imagick extension

Use Imagick extension to execute to readImage Use Imagick extension to execute to readImage Use Imagick extension to execute to readImage Use Imagick extension to execute to readImage

眺望未来 2019-07-24 21:31:06 0  1  984

linux - How to write a background process or daemon process that does not time out or a cron process that is executed after a few hours

It is known that a TTL ranges from 2 hours to 100 hours. I plan to write a script to execute another script after the TTL to implement a standby process. At first I wanted to use cron to implement it, but how to convert the given TTL into a cron expression of a specific date is a very complicated pr...

世界只因有你 2017-06-21 10:12:10 0  1  864