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How can I reference the value of a final static field in the class?
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@RajithGunHewage, you can reference it from another class like {@value com.package.other.Clazz#STATIC_FIELD}
– Sean
Sep 25 '17 at 19:47
3
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How to check if my string is equal to null?
...further comment, you should be aware of this term in the equals contract:
From Object.equals(Object):
For any non-null reference value x, x.equals(null) should return false.
The way to compare with null is to use x == null and x != null.
Moreover, x.field and x.method() throws NullPointerEx...
What should I name a table that maps two tables together? [closed]
...table whatever you like, as long as it is informative:
COLOR_SHAPE_XREF
From a model perspective, the table is called a join/corrollary/cross reference table. I've kept the habit of using _XREF at the end to make the relationship obvious.
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Chmod 777 to a folder and all contents [duplicate]
...nubhava. Instead give 755 or required permissions. We understand sometimes from question that OP is heading in wrong direction. Then we should give path should be followed. It's not only OP will be requiring solution. With same question another person will come to this page for finding answer, then ...
UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du
...coding. So the sending side can't ALWAYS know the encoding when it differs from the system.
– Dirk Stöcker
Oct 27 '13 at 21:31
4
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How to customize the back button on ActionBar
...e the action bar's background, logo image and text color using suggestions from these:
Android: How to change the ActionBar "Home" Icon to be something other than the app icon?
ActionBar text color
ActionBar background image
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How to locate the vimrc file used by vim editor?
...ding the last two comments. I got a blank output when running that command from the command line however when opening vim then typing ":echo $MYVIMRC" I got the real vimrc file.
– Four_0h_Three
Aug 9 '17 at 4:33
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How many double numbers are there between 0.0 and 1.0?
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The article Java's new math, Part 2: Floating-point numbers from IBM offers the following code snippet to solve this (in floats, but I suspect it works for doubles as well):
public class FloatCounter {
public static void main(String[] args) {
float x = 1.0F;
int ...
Getting the client's timezone offset in JavaScript
...rd Time), -600 will be returned. Daylight savings time prevents this value from being a constant even for a given locale
Mozilla Date Object reference
Note that not all timezones are offset by whole hours: for example, Newfoundland is UTC minus 3h 30m (leaving Daylight Saving Time out of the equa...
Access an arbitrary element in a dictionary in Python
...y most readers will knows how to get the corresponding value, given a key, from a python dict.
– eric
Oct 8 '17 at 16:30
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