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Convert a 1D array to a 2D array in numpy
...B = np.reshape(A, (-1, 2))
where -1 infers the size of the new dimension from the size of the input array.
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Pacman: how do the eyes find their way back to the monster hole?
...ersection, look at the adjacent exit squares, except the one you just came from;
picking one which is nearest the goal. If more than one is equally near the goal, pick the first valid direction in this order: up, left, down, right.
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Difference between web server, web container and application server
...eb Server:
It provides HTTP Request and HTTP response.
It handles request from client only through HTTP protocol.
It contains Web Container.
Web Application mostly deployed on web Server.
EX: Servlet JSP
Web Container:
it maintains the life cycle for Servlet Object.
Calls the service method for th...
Rebase feature branch onto another feature branch
...l rewrite Branch1 history to have Branch1's changes on top of those copied from Branch2. That will result in the following commit order, a - b - f - g - c' - d' - e'.
– eel ghEEz
Oct 22 '18 at 19:35
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What's the difference between [ and [[ in Bash? [duplicate]
...| logical operators within the brackets to combine subexpressions
Aside from that, they're pretty similar -- most individual tests work identically between them, things only get interesting when you need to combine different tests with logical AND/OR/NOT operations.
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Any open source alternatives to balsamiq mockup [closed]
...en open source. The copyright owner, can duel licence and remove a licence from newer version, but all the original code is still under the old licence.
– ctrl-alt-delor
May 22 '16 at 16:07
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Find files containing a given text
...the -i makes it case insensitlve
the . at the end means you want to start from your current directory, this could be substituted with any directory.
the -r means do this recursively, right down the directory tree
the -n prints the line number for matches.
the --include lets you add file names, e...
Array initialization syntax when not in a declaration
...there, and you have to live with it.
I know how to work around it, but from time to time it would be simpler.
You can write this:
AClass[] array;
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array = new AClass[]{object1, object2};
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Split delimited strings in a column and insert as new rows [duplicate]
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As of Dec 2014, this can be done using the unnest function from Hadley Wickham's tidyr package (see release notes http://blog.rstudio.org/2014/12/08/tidyr-0-2-0/)
> library(tidyr)
> library(dplyr)
> mydf
V1 V2
2 1 a,b,c
3 2 a,c
4 3 b,d
5 4 e,f
6 . .
&...
Removing MySQL 5.7 Completely [closed]
I am trying to uninstall mysql from my ubuntu 12.04 completely. But not able to.
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