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for example, (- 1) get 225 ...
1. When extracting feature information from a large number of files (already written) and writing it to a txt target file, it is found that the first 1000 files are written faster and slower later. What is the problem? 2. The writing method I use publ...
< H1 > question < H1 > poi reports an Duplicate PageSettingsBlock record exception when reading the xls file exported by the company s reporting system. org.apache.poi.hssf.record.RecordFormatException: Duplicate PageSettingsBlock record (sid=0x29) ...
package cn.chinaunicom.changyue.util; import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; import org.apache.commons.lang.StringUtils; ** * : AES<br > * : AES<br > * : <br ...
as shown in the figure, the OK button below is masked by the toolbar, the toolbar is hidden, the button still cannot be displayed, and the window cannot be zoomed out, what should I do? ...
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there is a set collection of tag classes in the user class; maintain relationships only from the user class, one-to-many @ OneToMany @JoinTable(name="shuo_tag", inverseJoinColumns=@JoinColumn(name="tag_id"), jo...
for example, 4.1-8.2 is 4 months and 2 days ...
background code snippet: UtilHttp.streamContentToBrowser(response, UtilObject.getBytes(list), "application octet-stream"); background list: listbyte[],ioJSAjax: dataType: "text ": ... XMLHttpRequest byteArray: list ...
Entities loaded in 1.springmvc mode are singleton mode. In that singleton, the variables are shared, and the test shared variables are shared under multiple thread requests. But the function methods in the class are not blocked? Why don t all the immort...
android if the user is not logged in, skip to the login page where should this logic be implemented in activity? ...
use springBootTest for unit test. The unit test code is as follows. @ SpringBootTest annotation scans all components, including @ Aspect annotated components. Note 1 is a service and performs database operations @RunWith(SpringJUnit4ClassRunner.cla...
https: www.creams.io , for example, how can you tell what language his background is written in? ...
where run is a Boolean value ...
springMvc is configured as follows. You can access index.jsp and fail.html, directly, but you cannot access the user login method. <mvc:interceptors> <mvc:interceptor> <mvc:mapping path=" **" > ...
ext { springVersion = 4.3.10.RELEASE } compile( org.springframework:spring-context: , ) ...
employee an a.equal (b) b; why not? Sorry, the picture is skewed. ...
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I have several tasks that need to be executed all the time. In the task, a method is called to get the value, blocking the attempt to get the value for 10 minutes, and then exit the thread if the value is not available 10 minutes later. These tasks are m...
how to verify the UK phone number condition is only to set a pure number from 7 to 11 ...
this is an example given by the official of ele.me: this.$alert( , , { confirmButtonText: , callback: action => { this.$message({ type: info , message: `action: ${ action }` ...
Environment: PostgreSQL 9.4.1 on x86_64-unknown-linux-gnu, compiled by gcc (Debian 4.7.2-5) 4.7.2, 64-bit question: in the current Linux system, the character sorting rule of the database is en_US.utf8, so that the Chinese sorting is not the desir...
Nginx reverse proxy jenkins configuration, jenkins main page is fine, but resources such as css and js cannot be loaded, are not familiar with nginx, and no suitable method has been found on the Internet. nginx is configured as follows: -sharpuser n...