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I'm currently designing an application and I need to know how should be designed a constants parameter table. Also, I want to know how to use this table on the application. For example: for a par...

Select Topic Area Question Body My friend was in my repo but now he isnt, there is no even his code anymore (overwritten by git commit -f) and he is not a collabolator. How do i remove him from the...

哎哎哎，GitHub贡献列表怎么就莫名其妙多出来一个贡献者？翻看了提交记录，原来是自己的锅？某次提交时忘记使用git config来重新设置名字和电子邮件地址？能不能给我台时光机啊? 啊不对，能不能从“ GitHub贡献列表”中移除贡献者啊？

84 votes, 226 comments. Hi! As my other post got quite a lot of insightful comments and discussion, I was wondering the same about VueJS and ReactJS!…

Git stash pop and git stash apply are similar but different commands used to restore files. Examine when each command should be used and how to solve conflicts with each.

刚刚提交 Pull Request 没注意，DS_Store 文件忘记删除了，现在更新了我自己的 GitHub 站点，需要重新 Pull Request ，刚刚 Pull Request 里也有和我一样问题的同学，想问一下： 提交的Pull Request能不能撤销？如果能应该怎么做？我查到的答案是对已经merge成功的项目的删除，deleting-and-restoring-branche...

Learn how to use lambda expressions with Stream.filter() and handle checked exceptions

文章浏览阅读4.8k次，点赞2次，收藏2次。在Java 8中，Stream不能重复使用，一旦被消耗或使用，流将被关闭，类似流水线，水龙头的水一样一去不复返示例 - 流关闭查看以下示例，它会抛出一个IllegalStateException，表示“流被关闭”。TestJava8.javapackage com.mkyong.java8;import java.util.Arrays;import java.u_java stream关闭后再打开

紀錄 VuePress + Tailwind CSS + Dark Mode 遇到的坑和解決方法

iT 邦幫忙是 IT 領域的技術問答與分享社群，透過 IT 人互相幫忙，一起解決每天面臨的靠北時刻。一起來當 IT 人的超級英雄吧，拯救下一個卡關的 IT 人

I've to use two external scripts for the payment gateways. Right now both are put in the index.html file. However, I don't want to load these files at the beginning itself. The payment gateway is n...

I am trying to use the following Fastload API connection ... etc is perfect. I know exactly where it fails ........... System.out.println(" Streaming " + dataFile); pstmtFld.setAsciiStream(1,

Java ArrayList addAll() 方法 Java ArrayList addAll() 方法将给定集合中的所有元素添加到 arraylist 中。 addAll() 方法的语法为： arraylist.addAll(int index, Collection c) 注：arraylist 是 ArrayList 类的一个对象。 参数说明： index（可选参数）- 表示集合元素插入处的索引值 c - 要..

文章浏览阅读9.7w次，点赞38次，收藏186次。直接上代码，比较实在。对象Apublic Class A{ private Long id; private String userName; ....省略get和set方法 }在ListA中，查找 userName 为 "小明" 的对象 A。在java8中，我们可以这么玩1，查找集合中符合条件的第一个对象，如果可以明确条..._ifpresent

内容简介 本文主要说明在Java8及以上版本中，使用stream().filter()来过滤一个List对象，查找符合条件的对象集合。 List对象类（StudentInfo） public class StudentInfo implements Comparable<StudentInfo

怎么在java 8的map中使用stream 简介 Map是java中非常常用的一个集合类型，我们通常也需要去遍历Map去获取某些值，java 8引入了Stream的概念，那么我们怎么在Map中使用Stream呢？ 基本概念 Map有key，value还有表示key，value整体的Entry。 创

I have following piece of code StringJoiner joiner = new StringJoiner(", "); joiner.add("Something"); Function<StringJoiner,Integer> lengthFunc = StringJoiner::length; Function<CharSequ...

I try to get a user by it’s id in a custom keycloak extension. When I try the session.users().getUsersById(userId, realm) it returns null, BUT in the same method session.users().getUsers(realm) contains the user (with the correct id) that I need. I am using keycloak 11.0.3. For the extension I use/extend the RealmResourceProvider/Factory to provide an API endpoint. I always hand over the session in the constructor from the factory through the provider to the actual component that contains the b...

Learn to fix Maven invalid target release error which indicates that Java versions used in Maven and in the application are not compatible.

Quick and simple docker-compose file