-sharpifndef _THREADPOOL_H
-sharpdefine _THREADPOOL_H
-sharpendif if I"m going to write a thread pool, what I want to ask is why it is written in _ THREADPOOL_H . What do these underscores mean? do they have to be written this way? do they have to be capitalized?
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static page, you need to call the backend API (the backend and frontend are not put together and need to be cross-domain). The backend requires token to write the request API in header. How to write the query code? ...
use < input type= "file " > to upload files, only video can be displayed when selecting files use the accept attribute of input: < input type= "file " accept= "video mp4 " > cannot select files in mp4 format on Android phones there are many m...
requirements: want to add a js script to the page to get the Headers information of the current page. problems encountered: now you can only get Response Headers data, using the following code: var req = new XMLHttpRequest(); req.open( GET , ...
our interface uses jwt for authentication, and the frontend needs to carry token when accessing it. There are many places where token can be written, one is that path is written to the url parameter, and the other is that you can set header. Want to know...
when the foreground calls the background interface, you need to take some parameters in the request header, and the processing done in the background is a simple page jump. For example, @ RequestMapping ( " a ") public String index () { return "...
the server is nginx, and the following code is configured: location ~* .(css|js|apk)$ { root usr local resources; expires 12h; } using chrome access, you can see that both js and css are from memory cache and ...
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder alipay.app_id in value "${alipay.app_id}" Project structure I wrote it in application.properties before it was not configured. I can get the value by using...
question, as shown in figure the html code is as follows: <span class="button"><input type="file" id="file" name="file" onchange="this.parentNode.nextSibling.value = this.value">< sp...
after uploading a file using el-upload, the page has to be refreshed every time before uploading again. How to clear the contents of the file in el-upload after uploading the file (regardless of success or failure)? ...
the architecture is simple: filebeat collects nginx logs, output to logstash logstash format and then output to elasticsearch There is nothing to say about the configuration of filebeat but to send the access.log of nginx directly to logstash ...
there was a problem uploading the file. Setting: with-credentials= "true " is invalid. Check the data that header did not bring into cookie in the submitted url, which caused the submission to report an error <style lang="less"> @i...
there are two files, A.txt and B.txt. there are 3000w rows of data in A.txt. The contents separated by spaces between id and username are as follows: id usernmae 1 zhangsan 2 lisi ...... there are 3000w rows of data in B.txt. The contents sep...
mainly wants to use filebeat to output directly to es, without using logstash. Used for log crawling. problem: after filebeat outputs the log to es, when looking at the log, it is found that the order in the log is out of order. developers seem to ha...
use CMD to run npm start (port 3000) and node. server server.js (port 8080) in Dockerfile Dockerfile: FROM node:8.9-alpine ENV NODE_ENV production WORKDIR usr src app COPY ["package.json", "package-lock.json*", "npm-shr...
I have a txt file encoded in unicode, : 1.with open( STK_MKT_ValuationMetrics.txt , rb ) as f:: utf-8 codec can t decode byte 0xff in position 0: invalid start byte2.with open( STK_MKT_ValuationMetrics.txt , rb ,encoding= utf-8 ) as ...
how does the web page on the mobile phone realize the function of clicking the button to download pictures? try the download, of the next a tag, but it is not compatible ...
1) I used vagrant+virtualbox to build the development environment on win7, and box used CentOS7 v1803.1. 2) Synchronize directory is configured in vagrantfile (Synchronize function is normal): config.vm.synced_folder "D: 7_KaiFa project ", " usr ...
is it faster to cut and paste or copy and paste in Windows? Why? What is the principle of operation? ...
I d like to ask all the great gods if you don t use packages or frames, what are the ways to upload pre-download videos? for example, used to be a "very tall " piece all forced to 800x600 16:9 (proportional) or a very high film does not chang...
scene: the image information obtained through the camera is the data containing rui . To upload the file, the code to Baidu is: What you see in document is: formData.append (name, value, filename) value The field s value. This can be a USVStri...