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Static way to get 'Context' in Android?
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MySQL query to get column names?
...it's standard SQL (Whereas SHOW ... is a MySQL specific extension)...
For more information about the difference between SHOW... and using the INFORMATION_SCHEMA tables, check out the MySQL Documentation on INFORMATION_SCHEMA in general...
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In which order should floats be added to get the most precise result?
...in the situation where each one individually isn't affecting the total any more. So I'm still going to need more tricks.
That's an extreme case, but in general adding two values of similar magnitude is more accurate than adding two values of very different magnitudes, since you "discard" fewer bits...
?? Coalesce for empty string?
Something I find myself doing more and more is checking a string for empty (as in "" or null) and a conditional operator.
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Detect if Android device has Internet connection
...shurun's modification. In his answer he modified my code and made it a bit more efficient. If you connect to
HttpURLConnection urlc = (HttpURLConnection)
(new URL("http://clients3.google.com/generate_204")
.openConnection());
and then check the responsecode for 204
retu...
How can I tell if a DOM element is visible in the current viewport?
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How can I make one python file run another? [duplicate]
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There are more than a few ways. I'll list them in order of inverted preference (i.e., best first, worst last):
Treat it like a module: import file. This is good because it's secure, fast, and maintainable. Code gets reused as it's su...
GCC -fPIC option
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To be more specific, the shared library is supposed to be shared between processes, but it may not always be possible to load the library at the same address in both. If the code were not position independent, then each process wou...
What is the purpose of class methods?
...me time? Which way of calling class methods of an object is "better", or "more idiomatic": obj.cls_mthd(...) or type(obj).cls_mthd(...)?
– Alexey
Feb 27 '18 at 12:43
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Hash function that produces short hashes?
... hash will have 40bits of entropy while a base64 60bits. So it is slightly more resistant, sorry if I was not super clear.
– John L. Jegutanis
Nov 13 '13 at 14:35
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