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What's the best way to build a string of delimited items in Java?
While working in a Java app, I recently needed to assemble a comma-delimited list of values to pass to another web service without knowing how many elements there would be in advance. The best I could come up with off the top of my head was something like this:
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Finding out whether a string is numeric or not
...mbers only. I am taking out a substring from a string and want to check if it is a numeric substring or not.
18 Answers
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Is it possible to set a number to NaN or infinity?
Is it possible to set an element of an array to NaN in Python?
4 Answers
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How do I fix “Failed to sync vcpu reg” error?
...VD for the android version, and everything appears correct, but when I run it, I get this output:
34 Answers
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Android - set TextView TextStyle programmatically?
...follow
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edited Jul 26 '17 at 20:26
Thomas Vos
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How to cut an entire line in vim and paste it?
... command in vim, but I need something which will delete an entire line and it should allow me to paste the same line somewhere else.
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Where'd padding go, when setting background Drawable?
I have this issue on my EditText and Button views, where I have a nice padding for them to space away from the text, but when I change the background with setBackgroundDrawable or setBackgroundResource that padding is lost forever.
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Get child node index
... jQuery, etc.), is there a way to determine a child node's index inside of its parent node without iterating over and comparing all children nodes?
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JSON: why are forward slashes escaped?
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JSON doesn't require you to do that, it allows you to do that. It also allows you to use "\u0061" for "A", but it's not required. Allowing \/ helps when embedding JSON in a <script> tag, which doesn't allow </ inside strings, like Seb points out.
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Where in a virtualenv does the custom code go?
...a WSGI application and created a virtualenv called foobar I would start with a directory structure like:
4 Answers
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