I am now in this project, the account password is saved in localStorage. 1. Log in to the interface to determine whether the user checks to remember the password. If so, after interacting with the backend to determine whether the login is successful, ...
ask a question about regular expressions. As shown in the following code, I use java to use regular expressions; public static void test(){ Pattern p=Pattern.compile("(?=.*?[-sharp?!@$%^&*-])"); Matcher m=p.matcher(&qu...
< H2 > background < H2 > in order to be compatible with a variety of businesses, I want to use some design patterns in the project for ease of management. for example, I need to create a user and return userid,. Each business is created in a differen...
1. Each of our projects is an API, for example: members order a project, a project pays a project, and so on. Calls between 2.API are managed through Kong using the http communication protocol 3.API. 4. The front-end project is called through the inte...
see a solution on the Internet: "after the client sorts the parameters and encrypts them with MD5, they get sign. " The server once again encrypts your parameters by MD5, and compares the values obtained twice, and the same verification is successful. ...
I have now drawn a map using typescript + Angularjs2 + amcharts how can I invalidate click events in each area of the map are there any attributes that can be controlled? this.chart= this.AmCharts.makeChart ( chartdiv , {) type : map , ...
there is a project in which most businesses are implemented through the third-party api called by httpclient. However, it is found that some business pages are displayed quickly and sometimes slowly. After reproduction, it is found that there are two ma...
about Synchronize asynchronous, blocking and non-blocking understanding, read a lot of blogs do not know whether the following summary is correct, please take a look at it. Synchronize and asynchronism: mainly describes the dependency between tasks ...
now the server side of our company needs me to upload string data + pictures through the post form. I have tried to annotate the parameters with Multipart annotations plus PartMap, but the server cannot receive the image resources, and I have strictly f...
my requirements are like this: word document type is xml, open with a text editor to see the following code (I only copied the header part of the code) how java can convert it to word type doc documents, Apache s poi seems to only convert word docume...
such as the title. 1. Does direct replication or overwrite result in data loss when exporting or importing? 2. In addition, does the .db-journal file also need to be exported or imported with the .db file? 3. Is it possible to export or import datab...
Boss database has a user table with an IP field in it. How can I find out all the data with duplicate IP in this table? ...
when making payment by credit card, formal environment can return (sensitive information has been modified): Pay Result:{nonce_str=IcVsdgs22Fsz46s, appid=wx53c4sd87dcdc, sign=9B7AE9DD7sdfs126FC3CC095, err_code=USERPAYING, return_msg=OK, result_code=F...
for example: abdsdsdfsdf1526614206112164350fskdfskdf1526614199681037404bcmvbcvbmcnvz: match 1526614206112164350 and 1526614199681037404 in the string, add quotation marks on both sides, and process it as follows: abdsdsdfsdf "1526614206112164350 " fskdf...
pass: my classmate and I built a private warehouse (java) on Cayun. We can all upload the code to the warehouse (uploaded with java idea). First add, then commit, and finally push The problem with is that we can t pull the code submitted by the oth...
is when I created a new web project for maven, what I found on the official website was tomcat7-maven-plugin s dependency pluginplugin Why are we allowed to add in dependencies? ...
1. Question: the following error occurred: public void registerStompEndpoints(StompEndpointRegistry stompEndpointRegistry) { log.info("stomp ... ... ... "); stompEndpointRegistry .addEndpoint(" chat&q...
< H2 > I want to change the red box in the picture to how many days ago < H2 > ...
recently read the holding container of java programming ideas (fourth edition). The code for 11 chapters and 223 pages of the book is as follows Why is this? ...
The hook method is https: www.jianshu.com p 5c2.. Other devices are normal, but hook cannot be successful on Xiaomi max2. when I call this step: LocationManager locationManager = (LocationManager)this.getSystemService(Context.LOCATION_SERVICE); The...
reducer in redux performs a minus one operation export default (state = initialState, action) => { const {total} = state switch(action.type){ case ActionTypes.ADD: return {...state, total: total + 1} case ActionTypes.SUBT...
problem description as described in babel for useBuilitIns , it allows @ babel preset-env to intelligently add polyfill of built-in types that are only used, that is, an on-demand reference to polyfill. .babelrc file { "presets" : ...
now I want to climb the data on a mobile phone app, there is no train of thought, I would like to ask if there are any cases or ideas for reference, thank you! ...
just write a simple mysql service < H1 > docker-compose.yml < H1 > version: 3 services: mysql: image: mysql:5.7 volumes: - . mysql data: var lib mysql - . mysql my.cnf: etc mysql conf.d my.cnf ports: - 3306:3306 ...
Baidu interview questions, roughly means that there is a file, the file is very large can not be read at one time (may not be loaded into memory), the file is stored in the IP address, how to quickly find the duplicate IP address? Ask for advice. The ...