when using the template engine to develop web applications, the css or js used will be downloaded in advance and placed in the project s fixed directory, such as bootstrap and jQuery, and so on. There are usually a lot of such documents. Whether there i...
what are the addresses of general Internet projects, production environments and test environments? ...
Environment liux online 200 doc documents, converted to PDF results found that there are 5 documents converted unsuccessfully, manual command found the following hints: (preliminary determination should be a version problem these files may be saved by ...
starting the jar package with java-jar in the current directory depends on the three files selected. How to mount the three files if you use docker to launch the jar package in the container on linux Thank you ...
in the AbstractQueuedSynchronizer class of Java, there are acquire and acquireInterruptibly methods. on the Internet, it means "ignore interrupt " and "respond to interrupt " respectively. is fascinated by the words and response ignored...
I now have a project that puts userId in localStorage when logging in at the front end. then every time you call the interface, you always find userId, from localStorage and send a request. then there is an isLoginCheck interface that only detects wh...
The origin server did not find a current representation for the target resource or is not willing to disclose that one exists. the error is reported directly on the display page after the picture is uploaded. The following is the code for reporting ...
I have a line of code that may have a null pointer when accessing a variable, so idea has a warning. I can turn off this warning by adding comments @ SuppressWarnings ( "all ") to the method. But I don t want to turn off all the other warnings. So I...
there are now 100 arrays, each with 100 numbers. And the elements of each array are arranged from small to large. how to select the smallest number in the first 100. ...
List<Integer> list1 =Arrays.asList(1,2,3,4,5); List<Integer> list2 =Arrays.asList(1,2,3,4,5); as above, for two list objects, how to use the function provided by java8 stream to add the same subscript values in the two list to generate a new...
the approximate code is as follows: func(id, ip){ int countId = jedis.hget("count", id); int countIP = jedis.get("count", ip); if(countId >= 5 || countIP>=5){ return; } ...
how do I choose to use it? ...
EXPLAIN SELECT * FROM mt_table WHERE id= 1; EXPLAIN SELECT * FROM mt_table WHERE id= 1 the database has more than 300000 data id as primary keys. Why do both of them have the same execution plan, leaving the index and scanning only one piece of data...
1. Background: mysql transaction isolation level for READ_COMMITTED; data saving using native hibernate; queries using JdpcTempLate; 2. Main question: hibernateJDBCNot_suppport;; 3. Code: 3.1.hibernate: 3.2.JDBC 3.3Jdbcjdbc reasons for asking ...
when we register or bind, we will do the local user to associate with the openid of the third-party account. with regard to the problem of logging in with a third-party account, it is certainly not secure if this API is designed to use only openId as a ...
the overall use of the ssm framework. this is the entity class: I write that the json data returned to the front end is still of the type {name:.}. Is there any way to change the name displayed in json to another name, such as product_name? how sho...
now the project I am working on is separated from the front and rear ends, mainly the development of the api interface. The login logic is like this. first, the user logs in with the account password. If it is correct, the user will automatically genera...
< H2 > set up two tables as follows. How can curd change the two tables at the same time, that is, query the data of the two tables? in addition, do you use this method much in the actual project < H2 >? < H2 > my_class < H2 > CREATE TABLE `my_class`...
for example, I want to execute: imageView1.setVisibility(View.GONE); imageView2.setVisibility(View.GONE); ... imageViewX.setVisibility(View.GONE); is there any method that can be executed in batch, such as using for? ...
jquery code, using the formData object var formData = new FormData(); formData.append( shopImg , shopImg); formData.append( shopStr , JSON.stringify(shop)); var verifyCodeActual = $( -sharpj_captcha ).val(); ...
I use antd+dva to do a background project. I use the rich text editor react-draft-wysiwyg, but the fonts available by default are all English fonts. How to add commonly used Chinese fonts? trying to write fontFamily like this in a component has no ef...
A (). F1 () A.f1 () ...
that is, what can the server see through the useragent in header ...
topic description I have a log file, which is roughly formatted as follows: time1 keyword1 time2 keyword2 time3 keyword2 time4 keyword1 time5 keyword2 time6 keyword2 I need to extract the time based on the keywords keyword1 and keyword2, and t...
A rookie problem, which is a controller of ThinkPHP, calls other methods to print $this- > accounts is [], whether to render index or not, the life cycle of this controller instance is over. When routing access to other methods, the instance will be cr...