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How can I calculate an md5 checksum of a directory?
...sort" its input files in a particular order).
I usually care about whether groupid and ownerid numbers are the same, not necessarily whether the string representation of group/owner are the same. This is in line with what for example rsync -a --delete does: it synchronizes virtually everything (min...
Copying files from Docker container to host
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Actually you can use chown command to match user id and group id on the host machine.
– Dimchansky
Mar 30 '15 at 15:21
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How to grant permission to users for a directory using command line in Windows?
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You can also use ICACLS.
To grant the Users group Full Control to a folder:
>icacls "C:\MyFolder" /grant Users:F
To grant Modify permission to IIS users for C:\MyFolder (if you need your IIS has ability to R/W files into specific folder):
>icacls "C:\MyFolder...
Pointer expressions: *ptr++, *++ptr and ++*ptr
...direction (15). This means that the complex expression *p++ is going to be grouped as: *(p++). That is to say, the * part will be applied to the value of the p++ part. So let's take the p++ part first.
2. Postfix expression value. The value of p++ is the value of p before the increment. If you have...
Rails bundle install production only
.... In fact, you can skip Bundler.require and require libs manually from any group. I agree, that Rails could integrate better in this case with Bundler, but it doesn't.
– Simon Perepelitsa
Jun 6 '12 at 17:03
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Can the Android layout folder contain subfolders?
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I use Android File Grouping plugin for Android Studio.It doesn't really allows you to create sub-folders, but it can DISPLAY your files and resources AS they are in different folders. And this is exactly what I wanted.
You can install "Android...
RESTful way to create multiple items in one request
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@code4kix you could use /api/book-group, /api/book-collection or something similar.
– miguelcobain
Oct 17 '18 at 14:31
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Simple explanation of MapReduce?
...a SQL statement
SELECT SUM(salary)
FROM employees
WHERE salary > 1000
GROUP by deptname
We can use map to get our subset of employees with salary > 1000
which map emits to the barrier into group size buckets.
Reduce will sum each of those groups. Giving you your result set.
just plucked ...
廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...r user
First data block=1
Maximum filesystem blocks=41156608
5 block groups
8192 blocks per group, 8192 fragments per group
2008 inodes per group
Superblock backups stored on blocks:
8193, 24577
Writing inode tables: done
Creating journal (4096 blocks): done
Writing superbloc...
How to sort the result from string_agg()
...g-transact-sql?view=sql-server-2017
SELECT
STRING_AGG(prod, '|') WITHIN GROUP (ORDER BY product)
FROM ...
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