Seeking solutions for handling exceptions thrown by PHP multi-threads

Because I want to do a website monitoring, I need to use multi-threading, and I want to access the timeout during the execution process. I use try() to throw an exception and let the program continue to execute, but it does not succeed. But using a single thread is enough. I searched online and foun...

装睡不醒 2020-08-21 14:02:13 0  0  994

java - Web development - POI exports Excel with drop-down boxes and solves the exception caused by too many arrays in the drop-down box

1. If the number of drop-down arrays in Excel is small (about 0 to 20), you can export it in the following way: {code...} 2. The problem is that if there are too many drop-down arrays, the following exception message will appear in POI: {code... ...} The solution to this problem is not easy to find ...

迷茫 2017-05-17 10:00:25 0  1  1161

Mycat configures sub-tables, the underlying mysql, an array overflow exception occurs in the query, what is the reason?

Start mycat normally and configure sub-tables. This exception occasionally occurs when querying. Have you encountered it before? What’s the reason?

習慣沉默 2017-06-24 09:42:15 0  1  984

macvim uses the autopair or xptemplate plug-in to complete the '"[{ symbol, but cannot input Chinese normally. How to solve it?

1.macvim cannot input Chinese normally after using the autopair or xptemplate plug-in to complete '"[{ and other symbols. How to solve it?

滿天的星座 2017-05-16 16:33:52 0  1  681

javascript - Promise in node is also nested

1. If there are two mongodb collections, one is users and the other is posts, and the corresponding users information is displayed in the posts list, the conventional asynchronous processing is too nested. Use Promise to solve it, and found that there is also a problem when solving promises. 2. The ...

世界只因有你 2017-06-05 11:11:11 0  5  782

android - When the phone is in landscape or portrait mode, the instance in the fragment such as the recyclerview object is null, and the callback when returning data in the background causes a null pointer exception.

When the mobile phone switches between horizontal and vertical screens, the fragment status is lost, causing a null pointer exception to be reported when the data callback requested by the sub-thread is displayed. How to solve this problem?

阿神 2017-05-31 10:38:57 0  2  1156

php callback function

User_call_func does not solve the asynchronous processing of time-consuming operations, right?

兔子不吃胡萝卜 2023-01-10 11:41:26 0  0  548

Asynchronous - Are some of Python's built-in functions blocking or non-blocking?

I have always had some questions. Are some functions and common libraries of python blocking? For example, print, socket connection, etc. Are there any simple solutions for blocking, non-blocking, asynchronous, etc.? Is there any language that clearly supports asynchronous parallelism? I have used n...

黄舟 2017-07-05 10:34:24 0  1  990

phpcms access address does not exist

This phpcms access address does not exist, how can I solve it? I am asking my brain to solve it online, it is troublesome, thank you very much?? This phpcms access address does not exist, how to solve it? I am asking my brain online to solve it, it is troublesome, thank you very much??

星空 2019-07-15 15:42:34 0  0  987

php - The third-party payment platform notifies multiple times asynchronously in a short period of time, and the order is confirmed and collected multiple times.

The third-party payment asynchronous notification notifies the callback address multiple times. The previous notification request has not been processed yet, and the subsequent request is sent, resulting in multiple confirmations of receipt. How to solve it?

ringa_lee 2017-05-25 15:08:25 0  4  1012

Images are uploaded asynchronously. If the user does not submit the form, what should I do if there are many useless images?

Images are uploaded asynchronously. If the user does not submit the form, what should I do if there are many useless images? Asking for help, gentlemen! ! Dear gentlemen! I upload the image asynchronously, but if the user does not submit the form, this useless image will exist! It’s no use either! H...

七喜 2018-11-12 14:26:37 0  6  1691

javascript - vue uses asynchronous components combined with is to load components on demand.

{code...} {code...} When clicked, the asynchronous component is loaded (the component can be loaded), but the following error is reported {code...} When trying to add a name to the abc component, the following error is still reported, Does anyone know how to solve it? abc.vue {code...}

仅有的幸福 2017-06-26 10:55:50 0  2  1289

How did you solve the problem that the patch anomaly on July 12 caused the corresponding httpd to freeze?

phpstudy on the server keeps getting stuck. How do you solve it?

Time 2018-07-19 14:54:48 0  9  1477

javascript - Tab switching does not take effect, how to solve the asynchronous problem?

I’m practicing delayed tab switching, but I get an error and the titles cannot be retrieved. How to solve the problem? Please help me.

世界只因有你 2017-05-16 13:43:51 0  1  623

The ___ROOT___ constant is not defined in thinkphp5.0.9, how to solve it

Use of undefined constant ROOT - assumed '__ROOT__' This is an error message. I am new to 5.0 and I don’t know if the constants in 5.0 can be used. Can they be redefined?

大家讲道理 2017-06-24 09:42:27 0  1  1302

java - Solution: How to decode a string like "%22%3A%22"?

To solve strings like "%22%3A%22", do you usually have any good ways to decode them?

phpcn_u1582 2017-05-17 10:06:51 0  2  1516

Java thread monitoring, thread restart, observer mode issues

Regarding the issue of thread monitoring restart, I read http://www.cnblogs.com/ae6623... The observer pattern introduced in this article I think puts the key code for restarting the thread into the catch block in the thread body. What should I do if the exception is not caught? I don’t know much ab...

天蓬老师 2017-05-27 17:41:04 0  2  803

Regarding the differences caused by quick editing such as ul>li{PHP Chinese website $$}*6

Hello teacher, I am using phpstrom2018.3 as an IDE to learn. When writing code using a shortcut like "ul>li{PHP Chinese Network $$}*6", the serial number starts from 1, not zero. There will be some differences and misunderstandings. How to solve this problem? Thanks!

iUnicorn 2019-03-20 11:59:38 0  0  1374

javascript - How vue.js captures the front-end exception triggered by the user and gets the number of lines of code before it is packaged.

Before the project goes online, prepare an exception capture function to proactively understand where bugs exist in the front-end project. However, when the ordinary exception capture was sent to my email, I saw that it only contained the number of lines of code after packaging, so it was troublesom...

学习ing 2017-06-20 10:06:27 0  1  854

javascript - What does it mean for node to be the middle layer? Can you explain it in detail?

I have never been exposed to node. I often read articles saying that node is used as the middle layer. I don’t know what it means specifically? For example, what problem has been solved in the program? If the rendering problem is solved, it is also on the page side and the front-end framework has be...

怪我咯 2017-05-16 13:43:16 0  5  869