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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...yes
Warning: Permanently added 'gfs_2,172.16.20.46' (RSA) to the list of known hosts.
root@gfs_2's password:
Now try logging into the machine, with "ssh 'root@gfs_2'", and check in:
.ssh/authorized_keys
to make sure we haven't added extra keys that you weren't expecting.
[root@gfs_2...
Can I use require(“path”).join to safely concatenate urls?
...t use path.join() to join URL elements.
There's a package for doing that now. So rather than reinvent the wheel, write all your own tests, find bugs, fix them, write more tests, find an edge case where it doesn't work, etc., you could use this package.
url-join
https://github.com/jfromaniello/ur...
Best Java obfuscator? [closed]
...to original code automatically? It would be great, and new for me. I just know translate back manually can be difficult if the code base is huge.
– Thinhbk
Jan 6 '16 at 8:06
...
Get all Attributes from a HTML element with Javascript/jQuery
...
From my experience just now this is actually a bit more complex than this. At least in some cases. For example, will this include an attribute named 'dataFld' with value 'null' (string value) or would it exclude it?
– mightyiam...
Get mouse wheel events in jQuery?
...ion() {
var supportOffset = window.pageYOffset !== undefined,
lastKnownPos = 0,
ticking = false,
scrollDir,
currYPos;
function doSomething(scrollPos, scrollDir) {
// Your code goes here...
console.log('scroll pos: ' + scrollPos + ' | scroll dir: ' + scrollDir);
...
How to append a newline to StringBuilder
...
... and now this is deprecated. Please use org.apache.commons.text.TextStringBuilder.
– Ashok M A
Jan 24 '19 at 11:50
...
Dynamic array in C#
...ray();
Of course, this has sense only if the size of the array is never known nor fixed ex-ante.
if you already know the size of your array at some point of the program it is better to initiate it as a fixed length array. (If you retrieve data from a ResultSet for example, you could count its size...
Make elasticsearch only return certain fields?
...
Here another solution, now using a match expression
Source filtering
Allows to control how the _source field is returned with every hit.
Tested with Elastiscsearch version 5.5
The keyword "includes" defines the specifics fields.
GET /m...
How to format a floating number to fixed width in Python
...
This has changed in the last 4 years, now % formatting is the oldest method of formatting. For several reasons using str.format or f-strings is preferred over %. Previously when it was only str.format, people had some reasons but f-strings fixed that hole. format...
In Django, how do I check if a user is in a certain group?
...ming, there is one initial user
user.groups.add(group) # user is now in the "Editor" group
then user.groups.all() returns [<Group: Editor>].
Alternatively, and more directly, you can check if a a user is in a group by:
if django_user.groups.filter(name = groupname).exists():
...