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Can an ASP.NET MVC controller return an Image?
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For those that are coming into this question now, this was the solution that worked best for me.
– Clarence Klopfstein
Dec 25 '09 at 5:09
179
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An invalid form control with name='' is not focusable
...field (which was "required") and triggers this error. Solution, remove the now hidden "required" attribute from the form and rely on other method to ensure it is filled in.
– john
Apr 14 '17 at 3:43
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Why is it slower to iterate over a small string than a small list?
...kes sense as Python 3 changed comprehensions to have safer scoping.
Well, now improve the benchmark (I'm just removing overhead that isn't iteration). This removes the building of the iterable by pre-assigning it:
>>> python3 -m timeit -s 'iterable = "abc"' '[x for x in iterable...
How does Trello access the user's clipboard?
...it calls
TrelloClipboard.set(cardUrl)
... so then the clipboard helper knows what to select when the Ctrl key is pressed.
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How to use filter, map, and reduce in Python 3
...s from the documentation.
Views And Iterators Instead Of Lists
Some well-known APIs no longer return lists:
[...]
map() and filter() return iterators. If you really need a list, a quick fix is e.g. list(map(...)), but a better fix is often to use a list comprehension (especially when the original ...
Deep copy of a dict in python
... my_copy = copy.copy(my_dict)
my_deepcopy = copy.deepcopy(my_dict)
Now if you change
my_dict['a'][2] = 7
and do
print("my_copy a[2]: ",my_copy['a'][2],",whereas my_deepcopy a[2]: ", my_deepcopy['a'][2])
you get
>> my_copy a[2]: 7 ,whereas my_deepcopy a[2]: 3
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What is an uber jar?
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Strange... I am a german and of course know the word "über" and the meaning. But why is it used here in the Maven context? This case it means that one or more things are gathered together and is accessbile via the generated jar. Unfortunateley this hint didn't so...
Modulus % in Django template
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ah yes, that's exactly it. using cycle now, but good for future reference. I wouldn't want to use cycle with modulor 100 or something :) Actually I am goint to mark this answer as the correct one. because it focuses on modulor and not a workaround...
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How to create a new branch from a tag?
... same name.
In this, and in similar scenarios, the important thing is to know: branches and tags are actually single-line text files in .git/refs directory, and we can reference them explicitly using their pathes below .git. Branches are called here "heads", to make our life more simple.
Thus, ref...
server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
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Not downvoting because it's a workaround for when you know what you are doing. However, strongly recommend against this in the general case.
– tripleee
Mar 27 '14 at 7:29
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