... 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)] share | improve this answe...

...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 ...

... FWIW, Proguard will transform enums into ints by default. – Nacho Coloma Sep 23 '15 at 9:21 ...

...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...

...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...

...ent that you can read at this IBM article. A computer's primary use is to transform data. Modern memory architectures and technologies have been optimized over decades to facilitate getting more data, in, out, and between more and faster execution units–in a highly reliable way. Bonus: Caches A...

... Quote from dalvikvm.com: dx, included in the Android SDK, transforms the Java Class files of Java classes compiled by a regular Java compiler into another class file format (the .dex format) That means, the .java source file does not matter, it's only the .class bytecode. As far ...

... SQL-89 versus SQL-92 style joins. One can assume that most RDBMS engines transform the syntax into an internal representation before optimizing or executing the query, so the human-readable syntax makes no difference. I also try to evangelize the SQL-92 syntax. Sixteen years after it was approve...

...ces_from_mean; differences_from_mean.reserve(original_values.size()); std::transform(original_values.begin(), original_values.end(), std::back_inserter(differences_from_mean), std::bind1st(std::minus<double>(), mean)); Today I would certainly write that differently. If nothing else, I would...

...id not mention is that everything is data, so it is much easier to compose/transform/inspect/generate compared to macros like in Compojure. – nha Jul 7 '17 at 8:54 add a comme...