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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?
...
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...
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...
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 ...
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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