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What is memoization and how can I use it in Python?
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By the way, you can also write if k not in factorial_memo:, which reads better than if not k in factorial_memo:.
– ShreevatsaR
Apr 4 '14 at 6:34
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Java 8: performance of Streams vs Collections
I'm new to Java 8. I still don't know the API in depth, but I've made a small informal benchmark to compare the performance of the new Streams API vs the good old Collections.
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Best way to create a simple python web service [closed]
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If you mean with "Web Service" something accessed by other Programms SimpleXMLRPCServer might be right for you. It is included with every Python install since Version 2.2.
For Simple human accessible things I usually use Pythons SimpleHTTPServer which also comes with every...
Merge branch with trunk
...aken with "copying" the files. Use something like TortoiseSVN's export in order to avoid corrupting the hidden svn directories.
– Milimetric
Dec 8 '11 at 15:24
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What is the difference between the HashMap and Map objects in Java?
...eed to return HashMap.
The method should return map key's in insertion order - Need to change return type HashMap to LinkedHashMap.
The method should return map key's in sorted order - Need to change return type LinkedHashMap to TreeMap.
If your method returns specific classes instea...
Converting XML to JSON using Python?
... It's already been mentioned in newer answers. It still only covers a small subset of valid XML constructs, but probably the majority of what people use in practice.
– Dan Lenski
Dec 5 '18 at 11:48
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How do I echo and send console output to a file in a bat script?
...ects stream2 to stream1 and 1>files.txt redirects all to files.txt.
The order is important here!
dir ... 1>nul 2>&1
dir ... 2>&1 1>nul
are different. The first one redirects all (STDOUT and STDERR) to NUL,
but the second line redirects the STDOUT to NUL and STDERR to the "e...
Calculate distance between 2 GPS coordinates
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Calculate the distance between two coordinates by latitude and longitude, including a Javascript implementation.
West and South locations are negative.
Remember minutes and seconds are out of 60 so S31 30' is -31.50 degrees.
Don't forget to convert degrees to radians....
How to find the kth smallest element in the union of two sorted arrays?
...of a number of elements in one of the arrays proportional to its length in order to make the run-time logarithmic. (Here we are getting rid of half). In order to do that, we need to select one array whose one of the halves we can safely ignore. How do we do that? By confidently eliminating the half ...
How to Copy Text to Clip Board in Android?
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In androidx it actually becomes ClipboardManager clipboard = getSystemService(getContext(), ClipboardManager.class);
– HoratioCain
Apr 25 '19 at 18:30
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