git rebase -i HEAD~1
#进入交互模式
pick fed40ed foo4 4444
# Rebase 8455d9a..fed40ed onto 8455d9a (1 command)
#
# Commands:
# p, pick = use commit
# r, reword = use commit, but edit the commit message
# e, edit = use commit, but stop for amending
# s, squash = use commit, but meld into previous commit
# f, fixup = like "squash", but discard this commit's log message
# x, exec = run command (the rest of the line) using shell
# d, drop = remove commit
# l, label = label current HEAD with a name
# t, reset = reset HEAD to a label
# m, merge [-C | -c ] [# ]
# . create a merge commit using the original merge commit's
# . message (or the oneline, if no original merge commit was
# . specified). Use -c to reword the commit message.
------------------------------------------------------------------------------
# 修改 pick 为 reword 即保留本次提交,但要对提交信息做编辑
pick fed40ed foo4 4444
# 保存并退出
:wq
# 会进入日志编辑模式
foo4 4444
# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
#
# Date: Fri Apr 26 18:40:09 2019 +0800
#
# interactive rebase in progress; onto 8455d9a
# Last command done (1 command done):
# reword fed40ed foo4 4444
# No commands remaining.
# You are currently editing a commit while rebasing branch 'feat_4' on '8455d9a'.
#
# Changes to be committed:
# modified: foo4
--------------------------------------------------------------------------------
# 修改至你想要的日志
foo4 4444 modify by rebase::reword
:wq
# 可以看到日志已经被修改
git log --pretty=oneline --abbrev-commit
7ccdb4c (HEAD -> feat_4) foo4 4444 modify by rebase:reword
8455d9a foo4 3333
1548e84 foo4 2222
53e837b foo4 1111
用原型函数(prototype)可以定义一些很方便的自定义函数,实现各种自定义功能。本次主要是实现了Array的去重、获取最大值和最小值。
实现代码如下:
<script type="text/javascript">
Array.prototype.unique = function() {
var a = {};
var le
ORACLE
下面这个效率很低
SELECT * FROM ( SELECT A.*, ROWNUM RN FROM (SELECT * FROM IPAY_RCD_FS_RETURN order by id desc) A ) WHERE RN <20;
下面这个效率很高
SELECT A.*, ROWNUM RN FROM (SELECT * FROM IPAY_RCD_
Reverse a singly linked list.
/**
* Definition for singly-linked list.
* public class ListNode {
* int val;
* ListNode next;
* ListNode(int x) { val = x; }
* }
*/
p