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Pushing read-only GUI properties back into ViewModel
I want to write a ViewModel that always knows the current state of some read-only dependency properties from the View.
6 An...
Which characters are valid in CSS class names/selectors?
What characters/symbols are allowed within the CSS class selectors?
I know that the following characters are invalid , but what characters are valid ?
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No module named pkg_resources
I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt :
34 Answe...
How to save a dictionary to a file?
I have problem with changing a dict value and saving the dict to a text file (the format must be same), I only want to change the member_phone field.
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Adding information to an exception?
I want to achieve something like this:
9 Answers
9
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How to prevent SIGPIPEs (or handle them properly)
...ply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and make my server crash. What's the best practice to prevent the crash here? Is there a way to check if the other side of the line is still reading? (sele...
How to remove all line breaks from a string
I have a text in a textarea and I read it out using the .value attribute.
16 Answers
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What is an optional value in Swift?
... that hates ambiguity. Most variables are define as non-optionals, but sometimes this isn't possible. For example, imagine a view controller which loads an image either from a cache or from the network. It may or may not have that image at the time the view controller is created. There's no way to g...
Why can I access TypeScript private members when I shouldn't be able to?
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Doesn't typescript do this ALL the time by setting var _this for use in scoped functions? Why would you have qualms doing it at the class scope?
– DrSammyD
Mar 24 '16 at 17:22
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Return value in a Bash function
...e the output. Global variables are not great because it's just a matter of time before you use the same global var in two places that happen to be nested and data could get lost. There should be separate channels for printing data vs sending data back.
– Oliver
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