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How to step through Python code to help debug issues?
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Yes! There's a Python debugger called pdb just for doing that!
You can launch a Python program through pdb by using pdb myscript.py or python -m pdb myscript.py.
There are a few commands you can then issue, which are documented on the pdb page.
Some use...
Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6
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I like this answer but you need to call [super awakeFromNib]; Also, I'v thinking about adding a check for iOS 7.1 and less, because I'm not sure how adding these resizing masks affects default behavior on iOS8.
– GingerBreadMane
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Understanding checked vs unchecked exceptions in Java
...rk be able to throw any exception. You can e.g. check the signature of the Callable interface in JSE
– Kaj
May 24 '11 at 19:53
10
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Emulating a do-while loop in Bash
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Never said anything different, only that true is not a built-in in Bash. It's a program usually found in /bin.
– Fleshgrinder
Feb 12 at 22:07
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How to check if all list items have the same value and return it, or return an “otherValue” if they
...- Which is why I added the second part of my answer. On small collections, calling First() is trivial. On large collections, that might start to be an issue.
– Justin Niessner
Dec 8 '10 at 17:42
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WebRTC - scalable live stream broadcasting / multicasting
...is a quite simple solution, which works very well: I have tested it, it is called a WebRTC gateway. Janus is a good example. It is completely open source (github repo here).
This works as follows: your broadcaster contacts the gateway (Janus) which speaks WebRTC. So there is a key negotiation: B ...
Running Python code in Vim
...ith python
Explanation:
autocmd: command that Vim will execute automatically on {event} (here: if you open a python file)
[i]map: creates a keyboard shortcut to <F9> in insert/normal mode
<buffer>: If multiple buffers/files are open: just use the active one
<esc>: leaving inser...
Converting numpy dtypes to native python types
If I have a numpy dtype, how do I automatically convert it to its closest python data type? For example,
12 Answers
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Can I change the viewport meta tag in mobile safari on the fly?
...t.querySelector("meta[name=viewport]");
viewport.setAttribute('content', 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0');
Just change the parts you need and Mobile Safari will respect the new settings.
Update:
If you don't already have the meta viewport tag in the so...
difference between iframe, embed and object elements
...m a bird's-eye view, seem to be very similar to the point of being largely identical.
3 Answers
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