sql, java. I beg for guidance.

Why do I use the enterprise number and user number to query all departments and the number of people under the...

From [Javadiscussion group] 2017-06-28 09:22:29 0  1  797

java - What is the github address of zkClient 101?

{Code...} Where can I download the source code of zkClient represented by this dependency? Recently, I need to...

From [Javadiscussion group] 2017-06-28 09:22:23 0  1  945

javascript - How to pass this kind of parameter interface?

There are four quarters in total. In what form are parameters passed through the interface? 2017-1-1~2017-3-31...

From [Javadiscussion group] 2017-06-28 09:22:19 0  3  906

When synchronized lock code block in Java, does this class need to be a singleton?

When it locks a method or a block of code, at most one thread can execute this code at the same time. When two...

From [Javadiscussion group] 2017-06-28 09:22:12 0  2  959

Windows - Help with Java high-precision operation problems

The company's projects required a lot of high-precision operations. At first, we used double-type operations. ...

From [Javadiscussion group] 2017-06-28 09:22:10 0  3  931

java - I deleted the svn code locally and re-imported it from the remote repository. It prompted me that it already exists.

(www.sf.gg) is China's leading developer technology community. We hope to provide a pure, high-quality technic...

From [Javadiscussion group] 2017-06-28 09:22:06 0  4  1256

javascript - The advertising page placed by the company has been hijacked. Is there any way to monitor it?

It should be hijacking by the operator. Only some users will pop up a new tab when opening the advertising pag...

From [Javadiscussion group] 2017-06-28 09:22:00 0  4  1005

java - spring boot integrated mybatis annotation version query

-spring boot integrates mybatis and uses annotations to implement spring boot and mybatis. It has been integra...

From [Javadiscussion group] 2017-06-23 09:14:41 0  2  1192

javascript - Ask about the synchronization update of paging cache?

Now in a library project, I use paging ajax to load students' notes, but now I have encountered a problem in s...

From [Javadiscussion group] 2017-06-23 09:14:39 0  4  908

java - quartz.ScheduleJob scheduling time 0/5 * * * * ? How long does it represent?

{code...}

From [Javadiscussion group] 2017-06-23 09:14:38 0  3  1682

java - Distributed transaction processing solution

Do you need distributed transactions when deploying hibernate on multiple web servers to operate the database?...

From [Javadiscussion group] 2017-06-23 09:14:37 0  1  1242

Java - Error when installing visibroker

There are three jdk3, 7 and 8 installed in the computer, all in the C:Program FilesJava folder. The current en...

From [Javadiscussion group] 2017-06-23 09:14:35 0  1  1073

In Gao Qi's Java video code, why does the time print out using a new object created using the Date class, but the hash code address prints out using a self-created object?

Recently, when watching Teacher Gao's video, I found a knowledge point that I didn't quite understand. The cod...

From [Javadiscussion group] 2017-06-23 09:14:34 0  4  974

java - Problem with Spring Boot receiving JSON format parameters.

Current situation: GsonHttpMessageConverter has been customized to complete JSON -> Bean conversion. Like t...

From [Javadiscussion group] 2017-06-23 09:14:33 0  1  1213

How to download an excel file with javascript?

{Code...} {Code...} The above two methods have opened the file. Is there any other downloading method?

From [Javadiscussion group] 2017-06-23 09:14:30 0  6  907