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Extract traceback info from an exception object
Given an Exception object (of unknown origin) is there way to obtain its traceback? I have code like this:
5 Answers
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vim line numbers - how to have them on by default?
...this command anywhere in your terminal: echo "\nset nu" >> ~/.vimrc. Now exit and reopen terminal session.
– Kapil Jituri
Jan 31 at 6:02
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TypeScript static classes
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I have an use-case for having static classes. Right now, I have a class that only contains static methods. In the project we need to provide some sort of configuration for each class that can be instantiated. Declaring such class as static would not only help me notice that it...
When to use Storyboard and when to use XIBs
...ints that applied to iOS 7 and below don't apply to iOS 8 anymore (and are now marked as such). So while Storyboards inherently still have flaws, I revise my advice from don't use to selectively use where it makes sense.
Even now that iOS 9 is out, I would advise against to use caution when decidin...
What is getattr() exactly and how do I use it?
...here getattr can be useful.
you can't write object.x, because you don't know in advance which attribute you want (it comes from a string). Very useful for meta-programming.
you want to provide a default value. object.y will raise an AttributeError if there's no y. But getattr(object, 'y', 5) will...
Is < faster than
...- B < 0
A = B --> A - B = 0
A > B --> A - B > 0
Now, when A < B the subtraction has to borrow a high-bit for the subtraction to be correct, just like you carry and borrow when adding and subtracting by hand. This "borrowed" bit was usually referred to as the carry bit a...
opengl: glFlush() vs. glFinish()
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I actually know what glFlush and glFinish do, and I can't tell what that image is saying. What's on the left side and the right? Also, was that image released in the Public Domain or under some license that allows you to post it on the I...
Adding dictionaries together, Python [duplicate]
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@dimo414 Yes, my bad. I can't change it now however. I use ChainMap from collections to achieve this functionality now via dict(ChainMap(dic1, dic0)). However I have had to grab the source code from the chainmap pypi package for Python2.7. Notice how I switched the...
Restarting cron after changing crontab file?
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Ah it's that easy. It's now sudo service cron restart.
– CMCDragonkai
Jan 10 '14 at 18:25
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Add to Array jQuery
I know how to initliaize one but how do add I items to an Array? I heard it was push() maybe? I can't find it...
4 Answer...