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Get DateTime.Now with milliseconds precision
..., I'd suggest using:
string timestamp = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff",
CultureInfo.InvariantCulture);
(Note that unlike your sample, this is sortable and less likely to cause confusion around whether it's meant to be "month/day/year...
Copying files from host to Docker container
...n.
If you wanted to copy everything in /tmp/somefiles on the host to /var/www in the container:
$ cd /tmp/somefiles
$ tar -cv * | docker exec -i elated_hodgkin tar x -C /var/www
We can then exec /bin/bash in the container and verify it worked:
$ docker exec -it elated_hodgkin /bin/bash
root@b9b...
How can I delete multiple lines in vi?
...mode"). In that context :5d would remove line number 5, nothing else. For 5dd to work as intended -- that is, remove five consequent lines starting at the cursor -- enter it in normal mode and don't prefix the commands with :.
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Parallelize Bash script with maximum number of processes
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With GNU Parallel http://www.gnu.org/software/parallel/ you can write:
some-command | parallel do-something
GNU Parallel also supports running jobs on remote computers. This will run one per CPU core on the remote computers - even if they have dif...
What tools to automatically inline CSS style to create email HTML code? [closed]
When you take a look at http://www.campaignmonitor.com/css/ you learn that you need to embed inline styles in your HTML, in order for your email to be read in any mail client.
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How can I quickly delete a line in VIM starting at the cursor position?
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Press ESC to first go into command mode. Then Press Shift+D.
https://www.fprintf.net/vimCheatSheet.html
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Optimal way to concatenate/aggregate strings
...tabase:
STRING_AGG() in PostgreSQL, SQL Server 2017 and Azure SQL
https://www.postgresql.org/docs/current/static/functions-aggregate.html
https://docs.microsoft.com/en-us/sql/t-sql/functions/string-agg-transact-sql
GROUP_CONCAT() in MySQL
http://dev.mysql.com/doc/refman/5.7/en/group-by-functions...
iPhone OS: How do I create an NSDate for a specific date?
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Cross compile Go on OSX?
...to be logged in as super user. On Mac you may need to enable/configure SU access (it is not available by default), but if you have managed to install Go you possibly already have root access.
2) Once you have all cross compilers built, you can happily cross compile your application by using the fol...
How to fix Git error: object file is empty?
...35d3195966b443f6c73fb68466264c68e
missing blob e89896b1282fbae6cf046bf21b62dd275aaa32f4
dangling blob dd09f7f1f033632b7ef90876d6802f5b5fede79a
missing blob caab8e3d18f2b8c8947f79af7885cdeeeae192fd
missing blob e4cf65ddf80338d50ecd4abcf1caf1de3127c229
Step 5: Try git reflog. Fail because my HEAD is...