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Select the values of one property on all objects of an array in PowerShell
...e list of the current directory and just have the Name property displayed, one would do the following:
ls | select -Property Name
This is still returning DirectoryInfo or FileInfo objects. You can always inspect the type coming through the pipeline by piping to Get-Member (alias gm).
ls | select...
C/C++ include header file order
...should include files be specified, i.e. what are the reasons for including one header before another?
10 Answers
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Boolean operators && and ||
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The shorter ones are vectorized, meaning they can return a vector, like this:
((-2:2) >= 0) & ((-2:2) <= 0)
# [1] FALSE FALSE TRUE FALSE FALSE
The longer form evaluates left to right examining only the first element of each...
How to get past the login page with Wget?
...Based on the manual page:
# Log in to the server. This only needs to be done once.
wget --save-cookies cookies.txt \
--keep-session-cookies \
--post-data 'user=foo&password=bar' \
--delete-after \
http://server.com/auth.php
# Now grab the page or pages we care about.
wget ...
unix domain socket VS named pipes?
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One difference is that named pipes are one-way, so you'll need to use two of them in order to do two-way communication. Sockets of course are two way. It seems slightly more complicated to use two variables instead of one (th...
Ruby on Rails Server options [closed]
...u are also confusing the roles of Apache/Nginx with the roles of other components.
Historic note: This article was originally written on November 6, 2010, when the Ruby app server ecosystem was limited. I've updated this article on March 15 2013 with all the latest updates in the ecosystem.
Discla...
Apply formula to the entire column
... Make sure you CLEAR your column data first and only apply your formula to one. The above answer with "ArrayFormula" seems to be able to apply a many cells to one formula, which is not what OP wanted.
– Thanasis Kapelonis
May 3 '16 at 18:03
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jQuery callback for multiple ajax calls
... is needed for a final callback. The calls themselves are not dependent on one another, they can all go at the same time, however I would like to have a final callback when all three are complete.
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Assign one struct to another in C
Can you assign one instance of a struct to another, like so:
5 Answers
5
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Hidden Features of C++? [closed]
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But only one per function, i suspect? :)
– Constantin
Oct 5 '08 at 17:40
51
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