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What is the purpose of the “role” attribute in HTML?
...upport Accessible Rich Internet Applications (WAI-ARIA) to define roles in XML-based languages, when the languages do not define their own role attribute.
Although this is the reason the role attribute is published by the Protocols and Formats Working Group, the attribute has more general use cases...
How to style a JSON block in Github Wiki?
... in different Language syntax formats.But all time favorites are Perl, js, python, & elixir.
This is how it looks.
The following screenshots are from the Gitlab in a markdown file.
This may vary based on the colors using for syntax in MARKDOWN files.
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Count the number occurrences of a character in a string
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Python-3.x:
"aabc".count("a")
str.count(sub[, start[, end]])
Return the number of non-overlapping occurrences of substring sub in the range [start, end]. Optional arguments start and end are interpreted as in slic...
Remove duplicate lines without sorting [duplicate]
I have a utility script in Python:
8 Answers
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Can't pickle when using multiprocessing Pool.map()
...nd not worshipping at the altar of OO when not appropriate: many things in Python are best done in a more functional-way, and this is one).
– Alex Martelli
Nov 30 '09 at 5:50
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How to use clock() in C++
...f the program:
C++ (double)clock() / CLOCKS PER SEC with ctime included.
python time.clock() returns floating-point value in seconds.
Java System.nanoTime() returns long value in nanoseconds.
my reference: Algorithms toolbox week 1 course part of data structures and algorithms specialization by ...
What does 'foo' really mean?
... such name is needed. Wikipedia calls these names Metasyntactic Variables. Python programmers supposedly use spam, eggs, ham, instead of foo, etc.
There are good uses of foo in SA.
I have also seen foo used when the programmer can't think of a meaningful name (as a substitute for tmp, say), but I ...
How to load a tsv file into a Pandas DataFrame?
I'm new to python and pandas. I'm trying to get a tsv file loaded into a pandas DataFrame .
6 Answers
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Argmax of numpy array returning non-flat indices
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The application may be doing too much work on its main thread
...dPreferences and other similar methods for the first time, the associated .xml file is immediately loaded and parsed in the same thread.
One of good ways to combat this issue is triggering first SharedPreference load from the background thread, started as early as possible (e.g. from onCreate of yo...