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ExecutorService, how to wait for all tasks to finish
...is primarily computational, so I just want to run a large number of jobs - one on each core. Right now my setup looks like this:
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Running Python code in Vim
...de
<buffer>: If multiple buffers/files are open: just use the active one
<esc>: leaving insert mode
:w<CR>: saves your file
!: runs the following command in your shell (try :!ls)
%: is replaced by the filename of your active buffer. But since it can contain things like whitespace a...
How is this fibonacci-function memoized?
...(n-2), the function itself gets called, twice from the top, causing the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list":
fib n = (xs!!(n-1)) + (xs!!(n-2)) where xs = 0:1:map fib [2..]
The trick is to cause that list to get created, ...
How to programmatically set maxLength in Android TextView?
...rs = filters.plus(InputFilter.LengthFilter(max)) Don't overwrite existing ones
– ersin-ertan
Oct 30 '18 at 4:20
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iOS multiline label in Interface builder
...am writing the label, but when I press enter to accept it just all goes on one line.
– Samuli Lehtonen
Jul 2 '11 at 14:30
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Mercurial — revert back to old version and continue from there
...ight continue working only on this branch or eventually merge the existing one into it.
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Check if all elements in a list are identical
...:
return True
return all(first == rest for rest in iterator)
One-liner:
def checkEqual2(iterator):
return len(set(iterator)) <= 1
Also one-liner:
def checkEqual3(lst):
return lst[1:] == lst[:-1]
The difference between the 3 versions are that:
In checkEqual2 the content...
How to sort in-place using the merge sort algorithm?
...w. Compare with the standard merge algorithm given in most textbooks, this one exchanges the contents between the sorted sub-array and the working area. As the result, the previous working area contains the merged sorted elements, while the previous elements stored in the working area are moved to t...
What are the differences between the threading and multiprocessing modules?
...ance benefit from threading. The same is true if the heavy computation is done by some subprocess that you run and wait on.
More importantly, there are cases where this doesn't matter. For example, a network server spends most of its time reading packets off the network, and a GUI app spends most o...
Scroll to bottom of Div on page load (jQuery)
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Well done! I was looking for a snippet to scroll and all I could find it page scrolling (html, body). This is a great solution and using scrollHeight is a great way to make sure it always reaches the bottom.
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