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How to get active user's UserDetails
...User) ((Authentication) principal).getPrincipal();
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}
That is ok if you need it once. But if you need it several times its ugly because it pollutes your controller with infrastructure details, that normally should be hidden by the framework.
So what you may really want is to have a contro...
How to implement the --verbose or -v option into a script?
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My suggestion is to use a function. But rather than putting the if in the function, which you might be tempted to do, do it like this:
if verbose:
def verboseprint(*args):
# Print each argument separately so caller doesn't need to
# stuff everything to be printed into...
Detect the specific iPhone/iPod touch model [duplicate]
...a multiplayer on an iPod 1st gen and iPhone 2G I need to check for the specific device model.
6 Answers
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How to check if a python module exists without importing it
I need to know if a python module exists, without importing it.
13 Answers
13
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How to get hex color value rather than RGB value?
...could use Number.toString(16) - at least for each hex digit (or pad with 0 if under 16)
– orip
Nov 16 '09 at 8:09
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Access nested dictionary items via a list of keys?
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@user1353510: different usecases call for different behaviour. The code here doesn't create intermediaries, no.
– Martijn Pieters♦
Feb 11 '15 at 12:04
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How do I check if a string contains another string in Swift?
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You can do exactly the same call with Swift:
Swift 4 & Swift 5
In Swift 4 String is a collection of Character values, it wasn't like this in Swift 2 and 3, so you can use this more concise code1:
let string = "hello Swift"
if string.contains("Swift") {
p...
How to find out if a Python object is a string?
How can I check if a Python object is a string (either regular or Unicode)?
15 Answers
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Return type of '?:' (ternary conditional operator)
...alue or an rvalue. This is its value category. (This is somewhat of a simplification, in C++11 we have lvalues, xvalues and prvalues.)
In very broad and simple terms, an lvalue refers to an object in memory and an rvalue is just a value that may not necessarily be attached to an object in memory.
An...
How to check if a string in Python is in ASCII?
...de is better, because string no decode method in python 3, see what's the difference between encode/decode? (python 2.x)
– Jet Guo
May 8 '11 at 15:21
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