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Is the creation of Java class files deterministic?
...tion is done by the java compiler, that uses a deterministic algorithm to "transform" the source code into byte code. So, the output will always be the same. In these conditions, only a update on the source code will affect the output.
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How do I convert between big-endian and little-endian values in C++?
...an, use the second. Any compiler worth its salt will optimize-out unneeded transformations if the endianness match.
– Matthieu M.
Nov 1 '13 at 11:10
2
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What is a “surrogate pair” in Java?
...tions with incorrect UTF-8/UTF-16 encodings, a new standard WTF-8, Wobbly Transformation Format, was created. It supports arbitrary surrogate points, such as a non-paired surrogate or an incorrect sequence. Today, some products do not comply with the standard and treat UTF-8 as WTF-8.
The surrogate...
More elegant way of declaring multiple variables at the same time
...s (True, False) mapped to flag names (single-character strings). You then transform this data definition into an inverted dictionary which maps flag names to flag values. This can be done quite succinctly with a nested list comprehension, but here's a very readable implementation:
>>> de...
How to get the number of characters in a std::string?
...rator), however these only seem to work
// for UTF-16 strings, and require transforming UTF-8 to UTF-16 before use.
// If you already have UTF-16 strings or can take the performance hit, you should probably use those instead of
// the C functions. See: http://icu-project.org/apiref/icu4c/
//
struct ...
Select by partial string from a pandas DataFrame
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ValueError: cannot mask with array containing NA / NaN values
you can transform NA values into False, like this:
df[df["A"].str.contains("Hello|Britain", na=False)]
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In WPF, what are the differences between the x:Name and Name attributes?
...rt
classes. For instance, you should
specify x:Name on timelines and
transforms created in XAML, if you
intend to reference them from code.
If Name is available as a property on
the class, Name and x:Name can be used
interchangeably as attributes, but an
error will result if both ...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
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FWIW, Proguard will transform enums into ints by default.
– Nacho Coloma
Sep 23 '15 at 9:21
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...rplate (originally available at my wiki page, nowadays available as gist). Transforming that into one-instance-per-user is trivial. Using it you can also easily write scripts for other scenarios requiring some locking or synchronization.
Here is the mentioned boilerplate for your convenience.
#!/b...
Does Python support multithreading? Can it speed up execution time?
...Python script from within a Python GUI, and calling multiple PIL (eg Image.transform()) and numpy (eg numpy.array()) operations with threads. And you provided some more examples in your comment such as using multiple threads to read files (eg f.read()?). I know an exhaustive list isnt possible, just...