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Delete all but the most recent X files in bash
...ectories printed with a trailing / to mark them as such (-p).
grep -v '/$' then weeds out directories from the resulting listing, by omitting (-v) lines that have a trailing / (/$).
Caveat: Since a symlink that points to a directory is technically not itself a directory, such symlinks will not be ...
How to find out which processes are using swap space in Linux?
...
Run top then press OpEnter. Now processes should be sorted by their swap usage.
Here is an update as my original answer does not provide an exact answer to the problem as pointed out in the comments. From the htop FAQ:
It is not...
How to add a footer to a UITableView in Storyboard
...l see in the hierarchy that it will be a subview of the tableview. You can then drag subviews such as labels and buttons there, adjust the height, etc.
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Switching from zsh to bash on OSX, and back again?
...ently. For a while, I used to have to source my bash_profile every switch. Then I found out you can (typically) do
exec bash --login
or just
exec bash -l
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How to initialize a List to a given size (as opposed to capacity)?
...an lists is also an array) or it will allocate a new memory of its own and then copy the contents of string[10]? string[10] will get garbage collected automatically if L selects the later route.
– RBT
Mar 25 '17 at 4:30
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When should I use a struct instead of a class?
... They've probably recommended this because if the struct is immutable, then it won't matter that it has value semantics rather than reference semantics. The distinction only matters if you mutate the object/struct after making a copy.
– Stephen C. Steel
Mar...
Android Layout with ListView and Buttons
... When i use this I get the list to stop above the button and then start scrolling internally.
– lars
Mar 5 '10 at 1:31
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Is there a way to hide the scroll indicators in a UIScrollView?
...Storyboard.
NSCollectionView have a diagram;
Scroll View - Collection View then Clip View then Scroller (vertical) & Scroller (Horizontal)
Click any Scroller object then in Attributes Inspector set Focus Ring property to None. If you have not set it you can have a problem when users change the ...
How to sort a file, based on its numerical values for a field?
...s that are mixed text & numbers, for example filenames of rolling logs then sorting with sort -n doesn't work as expected:
$ ls |sort -n
output.log.1
output.log.10
output.log.11
output.log.12
output.log.13
output.log.14
output.log.15
output.log.16
output.log.17
output.log.18
output.log.19
outpu...
Handling colon in element ID with jQuery
...hus fail.
//You would first have to look for ":" in the id string, then replace it
var jEle = $(document.getElementById(id)); //forget about the fact
//that the id string might contain ':', this always works
}
//just to give an idea that the ID might be coming from so...