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Why is Lisp used for AI? [closed]
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One reason everyone seems to miss is that John McCarthy wrote Lisp and was a very influential Computer Scientist, specifically in the field of AI. Naturally, a lot of his work was implemented in Lisp, and thus Lisp gained a f...
Printing everything except the first field with awk
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$1="" leaves a space as Ben Jackson mentioned, so use a for loop:
awk '{for (i=2; i<=NF; i++) print $i}' filename
So if your string was "one two three", the output will be:
two
three
If you want the result in one row, you could do as follows:
awk '{for (i=...
Adding custom radio buttons in android
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Hey , thanks i got the functionality done ... But the button name is being overwritten by the select option ..... how to remove that ... keeping the functionality intact .... All i am trying to achieve as i showed in my question ... Any further directions ! [Note...
How to get the selected radio button’s value?
...o longer working. I just want to find the value of the radio button (which one is selected) and return it to a variable. For some reason it keeps returning undefined .
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List of lists changes reflected across sublists unexpectedly
...fix it, you need to make sure that you create a new list at each position. One way to do it is
[[1]*4 for _ in range(3)]
which will reevaluate [1]*4 each time instead of evaluating it once and making 3 references to 1 list.
You might wonder why * can't make independent objects the way the list...
git - skipping specific commits when merging
..."master", for instance, you can do this. It requires some work---- as mentioned above, the usual use case is to merge everything from a branch--- but sometimes it happens that you made a change to a release version that shouldn't be integrated back (maybe that code's been superceded in master alread...
Cancel split window in Vim
...rizontally. Now how can I return to normal mode, i.e. no split window just one window without cancelling all of my open windows. I have 5 and do not want to "quit", just want to get out of split window.
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Sort points in clockwise order?
...lgorithm you like, but use special comparison routine to determine whether one point is less than the other.
You can check whether one point (a) is to the left or to the right of the other (b) in relation to the center by this simple calculation:
det = (a.x - center.x) * (b.y - center.y) - (b.x - ...
how to get the one entry from hashmap without iterating
Is there a elegant way of obtaining only one Entry<K,V> from HashMap, without iterating, if key is not known.
14 An...
How to delete an item in a list if it exists?
...ng)
Simple enough, probably my choice.for small lists (can't resist one-liners)
2) Duck-typed, EAFP style:
This shoot-first-ask-questions-last attitude is common in Python. Instead of testing in advance if the object is suitable, just carry out the operation and catch relevant Exceptions:
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