when installing jdk, you can choose not to install public jre, as shown in the following figure. Because there is already jre in jdk. I haven t installed jre, yet. I haven t found anything wrong yet. I can develop it normally. I would like to ask you ...
see the use of the PageHelper paging plug-in in a project ...
the most recent project is to make a recording. The player generated after app, recording should be added dynamically. Is the player implemented with audio? ...
has already bought a domain name on Aliyun. What should I do next? ...
1.response.getWriter().print(""); 2.PrintWriter out = response.getWriter(); out.print(""); out.close(); is the first way all right? Will the stream close automatically? ...
I want to extract SyncKey = {"Count": 4,"List": [{"Key": 1,"Val": 694398478},{"Key": 2,"Val": 694398818},{"Key": 3,"Val": 694398792},{"Key": 1000,"Val"...
problem description orcaleABCAPHONEBPHONECPHONE: A B C ID PHONE ID PHONE ID PHONE a1 11111 b1 11111 c1 11111 a1 22222 b2 33333 c2 11111 now I want to change the PHONE=11111 in ...
in android studio 2.0, the method name and class name of the line where the cursor belongs will be displayed under the search bar. I don t know how to configure how to display it after upgrading to android studio 3.0. ...
int [] a1 = new int[]{1,2,3}; int [] a2 = new int[4]; int[][] a3 = new int[2][3]; String [] a4 = new String[]{"a","b","c"}; Object aObj1 = a1; IntObject Object aObj2 = a4; Object[] aObj3 = a1; Int...
After git commit demo1.txt, it is still added to the version library ...
how can git reset only return the version of the git repository to a certain version without affecting the workspace and the staging area? with such a rollback, all the new things in the workspace are gone ...
there is such a requirement: user login module, does not support the choice of login method, only a text input box, while supporting: QQ number, mobile number, e-mail, nickname, ID card, etc. (if the user filled in the values of these five fields) any f...
I recently built a GitLab repository with my own server . Every time I write it locally by clone, then push it to this warehouse, and then clone the contents of this warehouse on the online server (the same server), but I think it s very cumbersome. bu...
JDK1.7,tomcat8 starts the web3.1maven project to report an error Could not resolve XML resource [null] with public ID as mentioned! Tomcat7 certainly can not be used, 8 words to report this mistake, inexplicable! ...
remote libraries don t feel origin? ...
guns system what is the default login password? I downloaded it back from the code cloud, and the project started, but I don t know what the login password is. there are attachments on the cloud and communication groups are left on it, so I query an...
A lot of code that you don t like, turn it off. ...
how to understand instruction reordering has no effect on single thread, it will not affect the running result of the program, but it will affect multi-thread. for example: int i = 0; 1 i = i + 1; 2 System.out.println(i); 3 if reordering is pe...
such as sorting algorithm. Bubbling is stable and choice is unstable. what exactly is the standard to measure whether it is stable or not ...
topic: ss for example: enter google, to find that the longest symmetrical string is goog enter abcda to find that the longest symmetric string is aba. if there is more than one longest symmetric string, multiple longest symmetric strings o...
nuxtServerInit ({ commit }, { req }) { if (req.session && req.session.authUser) { commit( SET_USER , req.session.authUser) } } where should this method be added to store index.js? ...
from PIL import Image, ImageFont, ImageDraw im = Image.open ( . realcap captcha (4) .gif ) % matplotlib inline the matlotlib liline behind the% here is now like machine learning a lot of expressions I don t quite understand, I don t know what ...
warning how to get rid of, you can t do it by yourself for a long time. If you add value and defvalue, you will also be prompted. What is the cause ? Code: : js: ...
cocos Creator v2.0.1 Animation Editor Motor add attribute does not have cc.Sprite.spriteFrame this option, the outer package does not have a layer ...
when import {Button} from antd , is packaged, only button is packaged and loaded in modules. How do you do that? ...