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Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
... the UI_USER_INTERFACE_IDIOM() macro is only required when targeting iOS 3.2 and below. When deploying to iOS 3.2 and up, you can use [UIDevice userInterfaceIdiom] directly.
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How do I request a file but not save it with Wget? [closed]
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259
Use q flag for quiet mode, and tell wget to output to stdout with O- (uppercase o) and redirec...
How can I add numbers in a Bash script?
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For integers:
Use arithmetic expansion: $((EXPR))
num=$((num1 + num2))
num=$(($num1 + $num2)) # Also works
num=$((num1 + 2 + 3)) # ...
num=$[num1+num2] # Old, deprecated arithmetic expression syntax
Using the external expr utility. Note that this is only needed for ...
How can I get the full object in Node.js's console.log(), rather than '[Object]'?
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edited Sep 4 '18 at 18:28
Ikbel
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answered May ...
What Ruby IDE do you prefer? [closed]
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25 Answers
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Get exception description and stack trace which caused an exception, all as a string
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ianace
1,60722 gold badges1717 silver badges3131 bronze badges
answered Dec 30 '10 at 17:05
kindallkindall
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Check if OneToOneField is None in Django
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92
To check if the (OneToOne) relation exists or not, you can use the hasattr function:
if hasattr...
How can I parse a time string containing milliseconds in it with python?
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327
Python 2.6 added a new strftime/strptime macro %f, which does microseconds. Not sure if this i...
Mockito. Verify method arguments
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edited Feb 19 '17 at 21:00
Nikunj Undhad
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answered Aug 19 '15 at...
Define a lambda expression that raises an Exception
... however allow you to conditionally raise exceptions, e.g.:
y = lambda x: 2*x if x < 10 else raise_(Exception('foobar'))
Alternatively you can raise an exception without defining a named function. All you need is a strong stomach (and 2.x for the given code):
type(lambda:0)(type((lambda:0)....