Recent Posts
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Put the object into Java util. In properties
I'm trying to understand why I implemented Java util. Properties. It has two interfaces: getproperty / setproperty, wh…… -
What happened to Emacs Java?
First of all, I don't want to start a religious war here. Forgive me for telling you a little story first I initially …… -
Java – which file is the eclipse deployment assembly configured in?
I don't seem to be here The configuration was found in the project file I'm looking for a way to programmatically chan…… -
Java – mongodb selects all fields, groups them by one field, and sorts them by another
We have a collection of 'messages' for the following fields _id | messageId | chainId | createOn 1 | 1 …… -
java – Mockito ClassCastException
The method I want to test has a for loop and the logic of each element in blist: class A { void someMethod(){ …… -
Java – how to deal with underflow in scientific computing?
I'm studying probabilistic models. When reasoning about these models, the estimated probability may become very small …… -
Libgdx collision detection with tiledmap
I'm trying to implement a collision detection system by tiling maps I have a 2D Pokemon style game with a tiled map Sp…… -
Prepared declarations collected in the in clause of the datastex Cassandra CQL driver
I am trying to run the following query SELECT edge_id,b_id FROM booking_by_edge WHERE edge_id IN ? I bind Long's Java …… -
Java – @ AspectJ cuts into all methods in the package
I have this working code for a specific package, but I want to configure it for all controllers, services and Dao pack…… -
Java – how do I retrieve the size of a file from a URL download (using an HTTP connection)?
I am using a project to download files using an HTTP connection I display a horizontal progress bar with progress bar …… -
Java – example implementation of httpservletrequestwrapper, setreadlistener / isfinished / isready?
I try to adjust an httpservletrequestwrapper (see how to read InputStream multiple times) so that the HTTP post body c…… -
Java – empty array is an empty list
Arrays. Aslist (E [] e) returns the view of the array as a list, but it throws a NullPointerException when the array i…… -
How to display images in Java applications
I want to display an image in my java application I found a code that downloads images from web server and displays th…… -
Java wrong time zone
I have an instance of Java that seems to use a completely incorrect time zone Instead of using the Australia / Sydney …… -
Java – what does “container” mean in the context of programming?
I'm learning spring. The term "spring container" often appears in this article However, I know that "container" is not…… -
How to make the java desktop application of the installer multi platform?
How do we make a jar file installer that can run on multiple platforms Is there any simple way because I don't know mu…… -
Java – MVN jetty: running failed to find my loginservice
I set up a dock security domain as follows (for MVN jetty: run) POM xml <plugin> <groupId>org.mortbay.…… -
Java – how do I call a parent private method from child?
See English answers > How can a derived class invoke private method of base class? 7 public class A{ private in…… -
java. io. StreamCorruptedException: invalid type code: AC
See English answer > StreamCorruptedException: invalid type code: AC1 private ArrayList<Cheque> cheques = nul…… -
How to use byte array as a short article in Java
I have a byte array with size n. this array really represents n / 2 with different sizes Before writing an array to a …… -
Java – how do I call a parent private method from child?
See English answers > How can a derived class invoke private method of base class? 7 public class A{ private in…… -
Java – dagger 2
Using dagger 2, I tried to inject singleton objects at multiple locations within a single range However, it seems that…… -
Java – unexpected result in long / int partition
I have such value: long millis = 11400000; int consta = 86400000; double res = millis/consta; The question is: why is …… -
Scrolling using selenium webdriver in Java
I'm using selenium webdriver to automate browser testing My browser header is floating and always exists regardless of…… -
Java – query two related tables (joins)
This is the first table in hive – it contains information about the items we are buying CREATE EXTERNAL TABLE IF NOT E…… -
Java – combines immutablelist and varargs of guava
I want to create a constructor that will use one or more integers and save it as a field immutablelist According to Bl…… -
Java, how to split string and shift
How to split a string 2 characters and shift My string is = todayiscold My goals are: "to", "od", "Da", "ay", "Yi", "i…… -
Even if the file is unreadable, Java can return file length()
I have a file that I have banned every license No one should be able to read documents, right? Actually, if I run File…… -
Java – what is the impact of using singletonehcacheregionfactory and ehcacheregionfactory in web applications on Hibernate Level 2 cache?
When integrating the two subsystems, we are forced to use multiple sessionfactory instances, which will cause problems…… -
How to set an image as the background of a frame in the swing GUI of Java?
I have created a GUI using swing in Java I must now send a sample The JPEG image is placed as a background on the fram…… -
Java – too many open files (selenium phantom jsdriver)
In my embedded selenium / phantom JS driver, it seems that resources have not been cleaned up Running the client synch…… -
How to use the button group swing control in Java?
How do I add radio buttons to a button group using NetBeans? Once they are added, how do I select radio buttons from t……