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How do I change bash history completion to complete what's already on the line?
I found a command a couple of months ago that made my bash history auto-complete on what's already on the line when pressing the up arrow:
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How to convert a table to a data frame
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I figured it out already:
as.data.frame.matrix(mytable)
does what I need -- apparently, the table needs to somehow be converted to a matrix in order to be appropriately translated into a data frame. I found more details on this as.data.frame.matrix() function for conti...
How does facebook, gmail send the real time notification?
...e one of them. if you mean periodic AJAX requests and the one i suggested, my solution may fallback to the ajax one when lacks socket support (refer to socket.io docs). In both cases, you need only one solution.
– Walter Macambira
May 8 '13 at 1:09
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The simplest way to comma-delimit a list?
...be appropriate to use (surprising is not good!). However, I couldn't help myself. I'm still not sure about it; however, it is so short that it is easy to work out provided there's a comment to tip you off.
– 13ren
Mar 25 '09 at 7:29
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How to view file diff in git before commit
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If you want to see what you haven't git added yet:
git diff myfile.txt
or if you want to see already added changes
git diff --cached myfile.txt
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Set a persistent environment variable from cmd.exe
...be bothered changing them manually by getting on the properties screen of "My Computer"
5 Answers
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How to select different app.config for several build configurations
I have a dll-type project that contains MSTest integration tests. On my machine the tests pass, and I want the same to happen on a CI server (I use TeamCity). But the tests fail, because I need to tweak some settings in app.config. This is why I was thinking to have a separate second app.config fi...
Select random lines from a file
...78 000 000 000 lines in under a minute.
Challenge accepted...
EDIT: I beat my own record
powershuf did it in 0.047 seconds
$ time ./powershuf.py -n 10 --file lines_78000000000.txt > /dev/null
./powershuf.py -n 10 --file lines_78000000000.txt > /dev/null 0.02s user 0.01s system 80% cpu 0.047 ...
Can one AngularJS controller call another?
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It wasn't obvious to me that in my HTML the event-emitting controller has to be a child-node of the listening controller for it to work.
– djangonaut
May 18 '14 at 5:19
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jquery: $(window).scrollTop() but no $(window).scrollBottom()
...t's like "fixed position" but I can't use "position: fixed" css as many of my clients' browser can't support that.
10 Answe...