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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...8629e9b0318be4b20bd4c"), "test1" : "testval1" }
{ "_id" : ObjectId("528862d69b0318be4b20bd4d"), "test2" : "testval2" }
成功！
a、先测试下从服务器可以当成主服务器吗，也就是往从服务器里写能够同步主服务器吗？
在192.168.0.2上连接mongodb。
mong...
Git - How to close commit editor?
...vim. Press i to enter inline insert mode. Type the description at the very top, press esc to exit insert mode, then type :x! (now the cursor is at the bottom) and hit enter to save and exit.
If typing :q! instead, will exit the editor without saving (and commit will be aborted)
...
Can two different strings generate the same MD5 hash code?
...ha1sum)
756f3044edf52611a51a8fa7ec8f95e273f21f82 -
cee9a457e790cf20d4bdaa6d69f01e41
$ echo '0e306561559aa787d00bc6f70bbdfe3404cf03659e744f8534c00ffb659c4c8740cc942feb2da115a3f415dcbb8607497386656d7d1f34a42059d78f5a8dd1ef' | xxd -r -p | tee >/dev/null >(md5) >(sha1sum)
6d5294e385f50c12745a...
Vim for Windows - What do I type to save and exit from a file?
...lease enter the commit message for your..."). I've added my message to the top, but now I can't figure out how to save and leave. I tried to press Ctrl + W + Q , but it doesn't do anything, but add ^ where the cursor is.
...
Chmod recursively
.../x
~$ touch foo/y
~$ chmod -R go-X foo
~$ ls -l foo
total 8
drwxrw-r-- 2 wq wq 4096 Nov 14 15:31 bar
drwxrw-r-- 2 wq wq 4096 Nov 14 15:31 baz
-rw-rw-r-- 1 wq wq 0 Nov 14 15:31 x
-rw-rw-r-- 1 wq wq 0 Nov 14 15:31 y
~$ chmod -R go+X foo
~$ ls -l foo
total 8
drwxrwxr-x 2 wq wq 4096 Nov 14 15:...
How do I exit the Vim editor?
... to quit (short for :quit)
:q! to quit without saving (short for :quit!)
:wq to write and quit
:wq! to write and quit even if file has only read permission (if file does not have write permission: force write)
:x to write and quit (similar to :wq, but only write if there are changes)
:exit to writ...
Git commit in terminal opens VIM, but can't get back to terminal
...
To save your work and exit press Esc and then :wq (w for write and q for quit).
Alternatively, you could both save and exit by pressing Esc and then :x
To set another editor run export EDITOR=myFavoriteEdioron your terminal, where myFavoriteEdior can be vi, gedit, subl(...
How do I exit from the text window in Git?
... vim, you can press i to start entering text and save by pressing esc and :wq and enter, this will commit with the message you typed. In your current state, to just come out without committing, you can do :q instead of the :wq as mentioned above.
Alternatively, you can just do git commit -m '<me...
How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
...he option -c {command} :
Dos to Unix:
vim file.txt -c "set ff=unix" -c ":wq"
Unix to dos:
vim file.txt -c "set ff=dos" -c ":wq"
"set ff=unix/dos" means change fileformat (ff) of the file to Unix/DOS end of line format
":wq" means write file to disk and quit the editor (allowing to use the co...
Please enter a commit message to explain why this merge is necessary, especially if it merges an upd
...your case, perhaps you are looking for rebase, i.e. add your commit to the top. You can do this with
git rebase or git pull --rebase
Here is a good article explaining the difference between git pull & git pull --rebase.
https://www.derekgourlay.com/blog/git-when-to-merge-vs-when-to-rebase/
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