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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
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tl;dr
The answer is NEVER! (unless you really know what you're doing)
9/10 times the solution can be resolved with a proper understanding of encoding/decoding.
1/10 people have an incorrectly defined locale or environment and need to set:
PYTHONIOENCODING="UTF-8"
i...
When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
I have a Spring MVC web app which uses Spring Security. I want to know the username of the currently logged in user. I'm using the code snippet given below . Is this the accepted way?
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CoffeeScript on Windows?
...tried this a while back and it didn't work, but I tried again recently and now all the standard CoffeeScript tests compile just fine.
A bit of plumbing code using a *.wsf file and coffee-script.js is all you need. My code is on GitHub: https://github.com/duncansmart/coffeescript-windows
I blogged ...
Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
... -- that combination instantly makes x, a and b harder to hold in my head. now, if each were separate statements on separate lines, as in -- a++; ++b; x = a + b; it would be easier to comprehend on first sight.
– artlung
Jun 9 '09 at 17:46
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Python, creating objects
I'm trying to learn python and I now I am trying to get the hang of classes and how to manipulate them with instances.
4 An...
How do you create a hidden div that doesn't create a line break or horizontal space?
... div from display: none to display: inline-block or equivalent without the now-displayed div taking up space and moving my other DOM elements around?
– bpromas
Sep 25 '15 at 18:23
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“is” operator behaves unexpectedly with integers
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does anyone know how that range (-5, 256) was chosen? i wouldn't be too surprised if it were (0, 255) or even (-255, 255), but a range of 262 numbers starting at -5 seems surprisingly arbitrary.
– Woodrow Barlow
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HorizontalScrollView within ScrollView Touch Handling
...uarantee that mGestureDetector.onTouchEvent(ev) will get called. As it is now, it won't get called if super.onInterceptTouchEvent(ev) is false. I just ran into a case where clickable children in the scrollview can grab the touch events and onScroll won't get called at all. Otherwise, thanks, great ...
How to get the name of enumeration value in Swift?
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As of Xcode 7 beta 5 (Swift version 2) you can now print type names and enum cases by default using print(_:), or convert to String using String's init(_:) initializer or string interpolation syntax. So for your example:
enum City: Int {
case Melbourne = 1, Chelyabin...
How to directly initialize a HashMap (in a literal way)?
...Map("key", "value").
For Java Version 9 or higher:
Yes, this is possible now. In Java 9 a couple of factory methods have been added that simplify the creation of maps :
// this works for up to 10 elements:
Map<String, String> test1 = Map.of(
"a", "b",
"c", "d"
);
// this works for ...