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How to make asynchronous HTTP requests in PHP
...e. However this is absolutely not async. If the write buffer is full (very least likely) your script will definitely hang there. You should consider changing your title to something like "requesting a webpage without waiting for response".
– howanghk
Mar 26 '13...
Get key by value in dictionary
... objects from the original dict, so method 3 is also the one that uses the least memory (it only creates two thin list objects which wrap the contents of the dicts, whereas the others create iterator items
– Patrick
Sep 10 '13 at 4:28
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Why is pow(a, d, n) so much faster than a**d % n?
... a huge exponentiation followed by a mod into a modular exponentiation (at least after the first pass) is a transformation a JIT might be able to make… but not PyPy's JIT.
As a side note, if you need to do calculations with huge integers, you may want to look at third-party modules like gmpy, whi...
What is the correct way to document a **kwargs parameter?
...se) where everything after the * is the recognized keys in **kwargs (Or at least the ones frequently used)
– nos
Jan 11 '14 at 0:39
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How to get Android crash logs?
... issuing an adb logcat command will download the entire logcat history (at least to the extent that it is buffered which is usually a loooot of log data, it's just not infinite). Do either of those options answer your question? If not can you attempt to clarify what you're looking for a bit more?
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Determine the line of code that causes a segmentation fault?
...t is hard to debug. This option triggered the debug information output at least it gave me a start point for code review to find the location of the bug.
– Kemin Zhou
Apr 15 at 3:15
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Label encoding across multiple columns in scikit-learn
... inverse_transform() is not supported on ColumnTransformer though. At least, not for the moment: github.com/scikit-learn/scikit-learn/issues/11463. That's a big disadvantage for my application, and will probably also be for others.
– Sander Vanden Hautte
J...
jQuery or javascript to find memory usage of page
...wsers have evolved incredibly in this time. Since this now possible (in at least some browsers), and this question is the first result when you Google "javascript show memory useage", I thought I'd offer a modern solution.
memory-stats.js: https://github.com/paulirish/memory-stats.js/tree/master
T...
abort, terminate or exit?
...entirety of main in a try { } catch (std::exception& ex) { } block. At least then you can report more information about exceptions that derived from std::exception (although of course exceptions that do not derive from std::exception would still end up unhandled).
Wrapping the body of main in ...
Copying PostgreSQL database to another server
...ct from the target server. Make sure port 5432 is open for that matter.
At least 1 available replication connection: max_wal_senders = 1 (-X fetch), 2 for -X stream (the default in case of PostgreSQL 12), or more.
wal_level = replica or higher to be able to set max_wal_senders > 0.
host replicat...