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How can I check whether a numpy array is empty or not?
....shape
()
>>> np.prod(())
1.0
Therefore, I use the following to test if a numpy array has elements:
>>> def elements(array):
... return array.ndim and array.size
>>> elements(np.array(None))
0
>>> elements(np.array([]))
0
>>> elements(np.zeros...
python assert with and without parenthesis
... It's worth further emphasizing that statements of the form assert(test, message) probably wrong, and certainly confusing. No parens!
– tcarobruce
Jun 24 '10 at 17:24
19
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How can I make an svg scale with its parent container?
I want to have an inline svg element's contents scale when size is non-native. Of course I could have it as a separate file and scale it like that.
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Routing: The current request for action […] is ambiguous between the following action methods
...
I think the point being made is that you don't need to implicitly test for querystring parameters using the request class.
MVC does the mapping for you (unless you have made severe changes in your MVC routes).
Thus an actionlink path of
/umbraco/Surface/LoginSurface/Logout?DestinationUrl...
How to Diff between local uncommitted changes and origin
... if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes I can diff it against the original repository by using git diff master ...
req.query and req.param in ExpressJS
...
req.query is the query string sent to the server, example /page?test=1, req.param is the parameters passed to the handler.
app.get('/user/:id', handler);, going to /user/blah, req.param.id would return blah;
shar...
Transparent ARGB hex value
...t is #RRGGBBAA Hex8 (or #RGBA in Hex4) and NOT #AARRGGBB (or #ARGB) I have tested in Chrome 62,63,64 Refer to CanIUse.com , https://css-tricks.com/8-digit-hex-codes/ , Chrome Feature Status
– SGS Sandhu
Mar 2 '18 at 16:55
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Is HTML5 localStorage asynchronous?
...at once, so if you close then open again your page, you may not have the latest elements you stored. I've tested that in a hybrid app in Android, and it makes the usage of localStorage inapropriate in some cases.
– user276648
Apr 23 '15 at 13:38
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Sort Go map values by keys
... be sorted by key automatically. This has been added because it allows the testing of map values easily.
func main() {
m := map[int]int{3: 5, 2: 4, 1: 3}
fmt.Println(m)
// In Go 1.12+
// Output: map[1:3 2:4 3:5]
// Before Go 1.12 (the order was undefined)
// map[3:5 2:4 1:3...
How to do a PUT request with curl?
How do I test a RESTful PUT (or DELETE) method using curl?
5 Answers
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