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UIView Infinite 360 degree rotation animation?
I'm trying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position.
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Why do we have map, fmap and liftM?
... see an error about lists than about Functors.
-- Typeclassopedia, page 20
fmap and liftM exist because monads were not automatically functors in Haskell:
The fact that we have both fmap and liftM is an
unfortunate consequence of the fact that the Monad type class does not require
a Funct...
How to limit depth for recursive file list?
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509
Checkout the -maxdepth flag of find
find . -maxdepth 1 -type d -exec ls -ld "{}" \;
Here I u...
How do you remove the root CA certificate that fiddler installs
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edited Sep 2 at 8:05
Martijn Pieters♦
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@Override is not allowed when implementing interface method
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answered Mar 14 '13 at 9:06
Bastien JansenBastien Jansen
8,07622 gold badges2828 silver badges4949 bronze badges
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Total memory used by Python process?
...l with psutil 5.6.3, the last line should be
print(process.memory_info()[0])
instead (there was a change in the API).
Note: do pip install psutil if it is not installed yet.
share
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improve thi...
Replace one character with another in Bash
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405
Use inline shell string replacement. Example:
foo=" "
# replace first blank only
bar=${foo/ ...
`elif` in list comprehension conditionals
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edited Jul 17 at 0:21
answered Apr 3 '12 at 5:23
R...
What is & used for
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130
& is HTML for "Start of a character reference".
& is the character reference for "A...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
...he CharSequence, Collection, Map or Array object is not null and size > 0.
@NotBlank: The string is not null and the trimmed length is greater than zero.
To help you understand, let's look into how these constraints are defined and carried out (I'm using version 4.1):
The @NotNull constrain...