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java - Why does the execution of this code occasionally reach 50~100ms?

{Code...} jre is a 1.7 environment, and 1.6 is used for compilation. Judging from the monitoring, most of them return within 0~1ms, but some of them return within 50~100ms, and the qps is about 800. Now that CPU load, memory, network card and other reasons have been ruled out, I really can't figure ...

黄舟 2017-07-03 11:43:18

nginx - server is DOS, please help

Now server y should be dosed. A part of the access log is as follows: {code...} Then refere displays all from http://106.187.97.172/info.php. I configured nginx through {code...} and {code ...} After restarting nginx, the nginx log still shows 200 for access...

阿神 2017-05-16 17:15:43

javascript - Can tap solve the problem of click delay of 300ms?

The most recommended writing method for click&tap on the mobile terminal is to use zepto's tap event instead of click. The reason is generally that the click event has the legendary 300ms delay. Test results However, the actual test found that the click event is faster than the tap event. Click ...

给我你的怀抱 2017-05-19 10:13:16

I would like to ask all the teachers and seniors about cross-database join table query in TP5.1 ms sql server.

As the title states, I would like to ask you about cross-database connection table query in TP5.1's ms sql server: The current situation is as follows. I have a statistical reporting system project at hand. My backend is made with TP5.1 and the frontend is made with vue. System frontend The user inf...

At** 2018-11-16 03:21:15

node.js - In node, an encryption operation takes 69ms, is it acceptable?

An operation of encrypting user passwords is synchronous and takes 69ms. Is it acceptable? If there are a large number of users and multiple people register at the same time, will it cause the node process to crash? Can anyone please explain? .

PHP中文网 2017-05-16 13:31:05

PHP7 failed to start. php-cgi.exe is missing api-ms-win-crt-stdio-|1-1-0.dll

win8.1, PHP7 failed to start. php-cgi.exe lacks api-ms-win-crt-stdio-|1-1-0.dll. I downloaded this from the Internet and it also prompted a startup failure in Figure 1. This dll was not put in. Figure 2 is an error when putting in a DLL online.

phpcn_u35986 2017-09-26 23:21:25

php - 怎么获取到网站的延迟ms

以前没有看到过这种，老板突然说要加个在页面上显示网站的延迟速度 ms 。百度了半天没有找到有用的信息，肯请各位大神告诉一下要怎么实现。

仅有的幸福 2017-05-16 12:57:55

Why does omitting 0ms sleep break my css transitions?

I'm trying to implement a FLIP animation to see if I understand it correctly. In this codepen (excuse the bad code, I'm just messing around), if I comment out the sleep, the smooth transition no longer works. The div changes position suddenly. This is strange because the sleep time is 0ms. importRea...

P粉659516906 2024-04-06 16:29:50

Leveraging CRUD operations on selected BBDD products and backpacks

Hello, we purchased Laravel backpack for a specific project. We have established communication with another database from which we get the results of a SELECT and we want to display that result through a CRUD view to filter or export the data

P粉785957729 2024-03-30 13:54:41