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How to count objects in PowerShell?
As I'm reading in the PowerShell user guide, one of the core PowerShell concepts is that commands accept and return objects instead of text. So for example, running get-alias returns me a number of System.Management.Automation.AliasInfo objects:
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Git: how to reverse-merge a commit?
...mber' associated with the parent? Do branches have an intrinsic numerical 'id'?
– daniyalzade
Sep 5 '11 at 20:55
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What is the difference between HTTP and REST?
...s, with HTTP, you would misuse a GET or POST query like ...product/?delete_id=22.
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How to log out user from web site using BASIC authentication?
...irst 401, Chrome reverts back to the old (correct) password. So it really didn't delete the password in the first place it seems.
– vancan1ty
Jan 8 '16 at 22:10
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Rails: How can I set default values in ActiveRecord?
...ready been mentioned this will not work when you just call Model.new.
Overriding initialize can work, but don't forget to call super!
Using a plugin like phusion's is getting a bit ridiculous. This is ruby, do we really need a plugin just to initialize some default values?
Overriding after_initializ...
Space between two rows in a table?
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Yeah, this method would be ideal, except that IE 7 doesn't support it. For browser support, see: quirksmode.org/css/tables.html
– Simon East
Feb 26 '12 at 22:50
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Bash script processing limited number of commands in parallel
...ed before starting the next set.
From the GNU manual:
wait [jobspec or pid ...]
Wait until the child process specified by each process ID pid or job specification jobspec exits and return the exit status of the last
command waited for. If a job spec is given, all processes in the job
ar...
In ASP.NET, when should I use Session.Clear() rather than Session.Abandon()?
Both Session.Clear() and Session.Abandon() get rid of session variables. As I understand it, Abandon() ends the current session, and causes a new session to be created thus causing the End and Start events to fire.
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What CSS selector can be used to select the first div within another div
... H1 is always going to be there, then
div h1+div {...}
but don't be afraid to specify the id of the content div:
#content h1+div {...}
That's about as good as you can get cross-browser right now without resorting to a JavaScript library like jQuery. Using h1+div ensures that only the first div...
git - Find commit where file was added
...there, and using the supplied one liner git log --diff-filter=A -- foo.js did not print the commit ID / hash to STDOUT in my terminal rather i had to provide the relative path to the file from the git repo root in order to get the desired results
– ipatch
Dec 1...