- 2020-06-19
Jar手机应用程序(Jar Application for mobiles)dear experts as you always guid us time to timenow my problems is that i want to develop an application to run on any mobile (like.jar) which c 阅读全文>> - 2020-06-19如何将jar文件转换为apk格式？(How can I convert a jar file into apk format?)I need to find a way to convert jar file to apk file. I have reached a road block! 解决方案 Is the JAR natively made for Android? If not, you'll ha 阅读全文>>
- 2020-06-15在类型的URLConnection方法调用setRequestProperty（字符串，字符串）是不适用的参数（字符串，ArrayList的＆其中;字符串＆GT）(The method setRequI am trying to send multiple images to server but,so I am storing all the images in one arraylist,but after that when I need to send to server 阅读全文>>
- 2020-06-15加载窗格（GUI）时的JavaFx ProgressIndicator(JavaFx ProgressIndicator while Loading Pane (GUI))In my application, I have to build big panes with a lot of content. I will show a ProgressIndicator while the GUI is loading. My first test, I 阅读全文>>
- 2020-06-15使用JavaFX UI控件的ProgressIndicator时，如何避免显示百分比值(How can I avoid the display of percentage values, when uI am pretty new to Java and would like get rid of the displayed percentage value of the ProgressIndicator in Java FX. Is there a method to dis 阅读全文>>
- 2020-06-15使用的PerformanceCounter跟踪每个进程的内存和CPU的使用情况？(Using PerformanceCounter to track memory and CPU usage per How can I use System.Diagnostics.PerformanceCounter to track the memory and CPU usage for a process? 解决方案 For per process data: Process p = /* 阅读全文>>
- 2020-06-15为什么我收到java.lang.AbstractMethodError错误？(Why I am getting java.lang.AbstractMethodError errors?)What are the possible causes for ABstractMethodError? Exception in thread "pool-1-thread-1" java.lang.AbstractMethodError: org.apache.thrift.P 阅读全文>>
- 2020-06-15char'0x8'什么字符是这个？(char '0x8' what character is this?)I have a large amount of data in a database. When I attempt to read a certain portion of the data and generate some xml and send it to a webs 阅读全文>>
- 2020-06-15System.setProperty在java中是安全的吗？(System.setProperty is safe in java?)In java to pass the values between some classes we can use System.setProperty. But using System.getProperties() we can get all the system prop 阅读全文>>
- 2020-06-15不同的结果Bitmap.Maketransparent功能(Different results for Bitmap.Maketransparent function)My problem is that i want to make an image background transparent. And the following function works fine for me but while testing on a differe 阅读全文>>
- 2020-06-15如何清除或清空StringBuilder？(How can I clear or empty a StringBuilder?)I'm using a StringBuilder in a loop and every x iterations I want to empty it and start with an empty StringBuilder, but I can't see any metho 阅读全文>>
- 2020-06-15Java的Collections.shuffle是做什么的？(Java&'s Collections.shuffle is doing what?)I recently found myself needing to be sure my list wasn't in order. Hibernate was nice enough to return it in perfect order. Silly hibernate 阅读全文>>
- 2020-01-20Bigo的Java面试，我挂在了第三轮技术面上.........背景 前段时间家里出了点事，辞职回家待了一段时间，处理完老家的事情后就回到广州这边继续找工作，大概是国庆前几天我去面试了一家叫做Bigo(YY的子公司)，面试的职位是面向3-5年的Java开发，最终自己倒在了第三轮的技术面上。虽然有些遗憾和泄气，但想着还是写篇博客来记录一下自己的面试过 阅读全文>>
- 2020-01-20Java并发编程：synchronized、Lock、ReentrantLock以及ReadWriteLock的那些事儿目录 前言 synchronized用法 修饰实例方法 修饰静态方法 修饰方法 同步代码块 引出Lock Lock用法 子类：ReentrantLock 读写分离锁：ReadWriteLock Lock和synchronized比较 前言 多线程开发中，同步控制是必不可少的手 阅读全文>>
- 2020-01-16forkjoin及其性能分析，是否比for循环快？最近看了网上的某公开课，其中有讲到forkjoin框架。在这之前，我丝毫没听说过这个东西，很好奇是什么东东。于是，就顺道研究了一番。 总感觉这个东西，用的地方很少，也有可能是我才疏学浅。好吧，反正问了身边一堆猿，没有一个知道的。 因此，我也没有那么深入的去了解底层，只是大概的了解了其工 阅读全文>>
