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How to detect the physical connected state of a network cable/connector?
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The errors about directories from grep can be ignored with: grep -s "" eth0/*
– mrtumnus
Jul 25 '18 at 0:37
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Working with huge files in VIM
...ILE) > HUGEFILE.new
i.e: pick all the lines before the edited lines from the HUGEFILE (which in this case is the top 3 lines), combine it with the edited lines (in this case lines 4 and 5) and use this combined set of lines to replace the equivalent (in this case the top 5 lines) in the HUGEF...
How to get the start time of a long-running Linux process?
... with formatters to get PID, command run, and date+time started.
Example (from Debian/Jessie command line)
$ ps -eo pid,lstart,cmd
PID CMD STARTED
1 Tue Jun 7 01:29:38 2016 /sbin/init
2 Tue Jun 7 01:29:38 2016 [kthreadd] ...
How to set cornerRadius for only top-left and top-right corner of a UIView?
...n't or wouldn't want to subclass a view, you can still round a view. Do it from its view controller by overriding the viewWillLayoutSubviews() function, as follows:
class MyVC: UIViewController {
/// The view to round the top-left and top-right hand corners
let theView: UIView = {
l...
Can Rails Routing Helpers (i.e. mymodel_path(model)) be Used in Models?
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Save yourself from copying your :host option everywhere and set it once in your environment config files: Rails.application.routes.default_url_options[:host] = 'localhost:3000'
– Andrew
Feb 18 '14 at ...
Mercurial stuck “waiting for lock”
...schooner.uwaterloo.ca/twiki/bin/view/MAG/HgLockError
Here is a transcript from Tortoise Hg Workbench console
% hg debuglocks
lock: user None, process 7168, host HPv32 (114213199s)
wlock: free
[command returned code 1 Sat Jan 07 18:00:18 2017]
% hg debuglocks --force-lock
[command completed succes...
How to change int into int64?
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I was doing (int64)i, it din't work, old habit from clang. This reverse from C++ worked.
– Manohar Reddy Poreddy
Jul 29 '15 at 9:35
add a comment
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Setting unique Constraint with fluent API?
... Not if you want to keep your domain model completely separate from storage concerns.
– Rickard Liljeberg
Oct 26 '14 at 20:40
4
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Git asks for username every time I push
...d by moderators and comments)
WARNING: If you use credential.helper store from the answer, your password is going to be stored completely unencrypted ("as is") at ~/.git-credentials. Please consult the comments section below or the answers from the "Linked" section, especially if your employer has ...
Make sure that the controller has a parameterless public constructor error
...r all root types explicitly.
But of course, the configuration error comes from you adding the second constructor to your DbContext. Unity always tries to pick the constructor with the most arguments, but it has no idea how to resolve this particular constructor.
So the real cause is that you are t...