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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
... WOW!!! This resulted in an order of magnitude improvement in my app for this specific line of code. By precomputing upper-lower my profiling went from 25% time of this function to less than 2%! Bottleneck is now addition and subtraction operations, but I think it might be good enough now ...
Android Lint contentDescription warning
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Go to Gradle file (module app), add below code block
android {
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lintOptions {
disable 'ContentDescription'
}
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}
No more warning! happy coding
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How to run a python script from IDLE interactive shell?
...'helloworld.py').read())
If your file not in the same dir:
exec(open('./app/filename.py').read())
See https://stackoverflow.com/a/437857/739577 for passing global/local variables.
In deprecated Python versions
Python2
Built-in function: execfile
execfile('helloworld.py')
It normally cann...
Caveats of select/poll vs. epoll reactors in Twisted
Everything I've read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price.
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Learning Python from Ruby; Differences and Similarities
...That doesn't flow very nicely. So, typically the following non-functional approach would be used in Python:
for value in collection:
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Using resources in a safe way is quite different between the two languages. Here, the problem is that you want to allocate some resource (open a file, obtain...
What is the purpose of a self executing function in javascript?
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@AlexanderBird but that already happens in local variables inside functions: function(){ var foo = 3; alert(foo); }; alert(foo); So I still don't get it
– João Pimentel Ferreira
Dec 3 '17 at 19:08
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Center image in div horizontally [duplicate]
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Image is broken but works great
– App Dev Guy
Mar 22 '16 at 4:07
add a comment
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Simple argparse example wanted: 1 argument, 3 results
... argument like this: parser.add_argument('install', help='Install the app') (Notice you can't define a positional argument with required=True)
– Diego Navarro
Sep 20 '11 at 6:54
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How do I put a border around an Android textview?
... What if I just want the top border?
– happyhardik
Aug 1 '12 at 17:55
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@whyoz His ...
How to split a string with any whitespace chars as delimiters
...ste/explain.pl?regex=\s%2B or http://regexper.com/#^s%2B or http://www.myezapp.com/apps/dev/regexp/show.ws?regex=\s+&env=env_java
– VonC
Jan 23 '16 at 5:59
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