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Re-raise exception with a different type and message, preserving existing information
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Python 3 introduced exception chaining (as described in PEP 3134). This allows, when raising an exception, to cite an existing exception as the “cause”:
try:
frobnicate()
except KeyError as exc:
raise ValueError("Bad gra...
How to step through Python code to help debug issues?
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13 Answers
13
Active
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Running unittest with typical test directory structure
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$ python -m unittest discover
$ # Also works without discover for Python 3
$ # as suggested by @Burrito in the comments
$ python -m unittest
This will run all the test*.py modules inside the test package.
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iPhone get SSID without private library
...e network it is connected to: If it is connected to a Adhoc network for a 3rd party hardware device it needs to be functioning in a different manner than if it is connected to the internet.
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How to join two JavaScript Objects, without using JQUERY [duplicate]
...key]);
Object.keys(obj2)
.forEach(key => result[key] = obj2[key]);
3 - Object.assign():
(Browser compatibility: Chrome: 45, Firefox (Gecko): 34, Internet Explorer: No support, Edge: (Yes), Opera: 32, Safari: 9)
const result = Object.assign({}, obj1, obj2);
4 - Spread Operator:
Standardi...
How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
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239
The -Wno-unused-variable switch usually does the trick. However, that is a very useful warning ...
How to remove a column from an existing table?
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663
ALTER TABLE MEN DROP COLUMN Lname
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STL or Qt containers?
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137
I started by using std::(w)string and the STL containers exclusively and converting to/from the...