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One DbContext per web request… why?
...e one where you let the container or the infrastructure code / Composition Root manage the unit of work. This is the style that your question is about.
By letting the container and/or the infrastructure handle this, your application code is not polluted by having to create, (optionally) commit and ...
How to merge YAML arrays?
...now which nested sequences to flatten (i.e. by knowing the "path" from the root
of the loaded data structure to the parent sequence), or that you recursively walk the loaded
data structure searching for nested arrays/lists and indiscriminately flatten all of them.
A better solution IMO would be to ...
Why always ./configure; make; make install; as 3 separate steps?
...l. That means then you have to use actually sudo make install because only root can copy files to /usr and /usr/local.
Now you see that each step is a pre-requirement for next step. Each step is a preparation to make things work in a problemless flow. Distros use this metaphor to build packages (...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...fork to /home/pi/.vnc/xstartup
#!/bin/sh
xrdb $HOME/.Xresources xsetroot -solid grey
autocutsel -fork
#x-terminal-emulator -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
#x-window-manager &
# Fix to make GNOME work
export XKL_XMODMAP_DISABLE=1
/etc/X11/Xsession
...
How can you check which options vim was compiled with?
...- Vi IMproved 7.3 (2010 Aug 15, compiled Jun 20 2012 13:16:02)
Compiled by root@apple.com
Normal version without GUI. Features included (+) or not (-):
-arabic +autocmd -balloon_eval -browse +builtin_terms +byte_offset +cindent
-clientserver -clipboard +cmdline_compl +cmdline_hist +cmdline_info +c...
Reset all changes after last commit in git
...
There are two commands which will work in this situation,
root>git reset --hard HEAD~1
root>git push -f
For more git commands refer this page
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UNIX export command [closed]
...ts environment variables from the parent. For instance if $HOME is set to /root in the parent then the child's $HOME variable is also set to /root.
This only applies to environment variable that are marked for export. If you set a variable at the command-line like
$ FOO="bar"
That variable will ...
Complex numbers usage in python [closed]
...at isn't confusing enough, some use 'i' to represent the "positive" square root of one, whereas 'j' is the "negative" square root of one. Thus i == -j. FYJ...
– jvriesem
Sep 16 '16 at 4:28
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Add Favicon to Website [duplicate]
...
Simply put a file named favicon.ico in the webroot.
If you want to know more, please start reading:
Favicon on Wikipedia
Favicon Generator
How to add a Favicon by W3C (from 2005 though)
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Execute ssh with password authentication via windows command prompt
...
What about this expect script?
#!/usr/bin/expect -f
spawn ssh root@myhost
expect -exact "root@myhost's password: "
send -- "mypassword\r"
interact
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