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How do i find out what all symbols are exported from a shared object?
...These are all different things, and your question conflates them all :-(
For an AIX shared object, use dump -Tv /path/to/foo.o.
For an ELF shared library, use readelf -Ws /path/to/libfoo.so, or (if you have GNU nm) nm -D /path/to/libfoo.so.
For a non-ELF UNIX shared library, please state which UNI...
How to divide flask app into multiple py files?
...ules, see the Flask docs.
However,
Flask uses a concept of blueprints for making application components and supporting common patterns within an application or across applications.
You can create a sub-component of your app as a Blueprint in a separate file:
simple_page = Blueprint('simple_p...
How to “perfectly” override a dict?
...shuts the ABC up.
from collections.abc import MutableMapping
class TransformedDict(MutableMapping):
"""A dictionary that applies an arbitrary key-altering
function before accessing the keys"""
def __init__(self, *args, **kwargs):
self.store = dict()
self.update(dic...
Relative imports in Python 2.7
...ule. A file is loaded as the top-level script if you execute it directly, for instance by typing python myfile.py on the command line. It is loaded as a module if you do python -m myfile, or if it is loaded when an import statement is encountered inside some other file. There can only be one top-...
Which rows are returned when using LIMIT with OFFSET in MySQL?
...18 records, begin with record 9 (OFFSET 8)
you would get the same result form
SELECT column FROM table LIMIT 8, 18
visual representation (R is one record in the table in some order)
OFFSET LIMIT rest of the table
__||__ _______||_______ __||__
/ \ / \ ...
What does it mean if a Python object is “subscriptable” or not?
... to mathematical notation that uses actual subscripts; e.g. a[1] is Python for what mathematicians would write as a₁. So "subscriptable" means "able to be subscripted". Which, in Python terms, means it has to implement __getitem__(), since a[1] is just syntactic sugar for a.__getitem__(1).
...
How to automatically generate N “distinct” colors?
...ike so:
// assumes hue [0, 360), saturation [0, 100), lightness [0, 100)
for(i = 0; i < 360; i += 360 / num_colors) {
HSLColor c;
c.hue = i;
c.saturation = 90 + randf() * 10;
c.lightness = 50 + randf() * 10;
addColor(c);
}
...
Class method differences in Python: bound, unbound and static
...type (the class of a class, cf. this question) to not create bound methods for method_two.
Now, you can invoke static method both on an instance or on the class directly:
>>> a_test = Test()
>>> a_test.method_one()
Called method_one
>>> a_test.method_two()
Called method_...
Swift Beta performance: sorting arrays
I was implementing an algorithm in Swift Beta and noticed that the performance was very poor. After digging deeper I realized that one of the bottlenecks was something as simple as sorting arrays. The relevant part is here:
...
How to perform OR condition in django queryset?
...
Is it better to use this type of query or perform two separate queries?
– MHB
Mar 16 at 15:06
...