Multiple assignment and evaluation order in Python See also Multiple assignment semantics regarding the effect and purpose of parentheses on the left-hand side of a multiple assignment See also Understand Python swapping: why is a, b = b, a not always equivalent to b, a = a, b? for more complex cases, where the order of assignment matters
excel - Edit Active X Spin button via VBA? - Stack Overflow I am trying to use a macro to change the properties of a Active X spin Button Can this be done? I know it can be done with a Forms Control spin button, but i am specifically looking to use it to
What does print (. . . sep=, \t ) mean? - Stack Overflow All that changed is the sep argument value \t in a string literal is an escape sequence for tab character, horizontal whitespace, ASCII codepoint 9 \t is easier to read and type than the actual tab character See the table of recognized escape sequences for string literals Using a space or a \t tab as a print separator shows the difference:
collections - Python defaultdict and lambda - Stack Overflow As the argument of defaultdict is a default factory, I think the first line means that when I call x [k] for a nonexistent key k (such as a statement like v=x [k]), the key-value pair (k,0) will be automatically added to the dictionary, as if the statement x [k]=0 is first executed Am I correct? And what about y? It seems that the default factory will create a defaultdict with default 0 But
html - Responsive SVG viewBox - Stack Overflow Question Right now, if I want to make the button smaller, I have to manually make the dimensions of the viewport and viewBox smaller by the same amount of px Is there any way to make that more responsive? For instance, by making viewBox be a percentage of the viewport? According to the spec, it seems viewBox has to be a <number>, and thus cannot be a percentage Any thoughts? Thank you
How to detect a new usb device is connected on python I want to make something which will run on the background and only after the computer detect new device is connected the rest of the code will run, is there any elegant way to do such a thing?
Python for key, value in dictionary - Stack Overflow It's not clear how you wanted this to work: the second time through the list, should it use the second and third key-value pairs (overlapping adjacent pairs)? Or the third and fourth (iterating in chunks of size 2)? Either way, this is a common problem with a better canonical duplicate Keep in mind that any "lazy" technique for iterating over a list will generally apply to any iterable, such
python - Private attributes in `pydantic` - Stack Overflow Note that _value is initialized using the kwargs value Validation must also be available for private fields The pydantic docs (PrivateAttr, etc ) seem to imply that pydantic will never expose private attributes I'm sure there is some hack for this But is there an idiomatic way to achieve the behavior in pydantic? Or should I just use a custom class?
python - How to plot band structure? - Stack Overflow I am highly suspicious something's going wrong in this code When I use this to plot the band structure of a unit cell of cubic Al with an [11,11,11] kmesh, the energies at the two points labeled $\Gamma$ are very different
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