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Java Singleton and Synchronization
Please clarify my queries regarding Singleton and Multithreading:
8 Answers
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What's a good (free) visual merge tool for Git? (on windows) [closed]
...r now, is still 2-way based, pending WinMerge3)
See "How do you merge in GIT on Windows?" and this config.
Update 7 years later (Aug. 2018): Artur Kędzior mentions in the comments:
If you guys happen to use Visual Studio (Community Edition is free), try the tool that is shipped with it: vsDiff...
Using global variables in a function
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You can use a global variable within other functions by declaring it as global within each function that assigns a value to it:
globvar = 0
def set_globvar_to_one():
global globvar # Needed to modify global copy of globvar
globvar = 1
def prin...
Retrieve the position (X,Y) of an HTML element relative to the browser window
I want to know how to get the X and Y position of HTML elements such as img and div in JavaScript relative to the browser window.
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What is
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super in Generics is the opposite of extends. Instead of saying the comparable's generic type has to be a subclass of T, it is saying it has to be a superclass of T. The distinction is important because extends tells you what you can get out of a class (y...
Usage of forceLayout(), requestLayout() and invalidate()
I'm a bit confused about the roles of forceLayout() , requestLayout() and invalidate() methods of the View class.
6 ...
Is multiplication and division using shift operators in C actually faster?
Multiplication and division can be achieved using bit operators, for example
19 Answers
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Why are static variables considered evil?
...n application using Groovy and Java. All through the code I wrote used quite a good number of statics. I was asked by the senior technical lot to cut down on the number of statics used. I've googled about the same, and I find that many programmers are fairly against using static variables.
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Eclipse IDE for Java - Full Dark Theme
... dark theme I have ever seen for Eclipse!
Just follow the steps on the website and Enjoy!
https://github.com/guari/eclipse-ui-theme
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What is aria-label and how should I use it?
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It's an attribute designed to help assistive technology (e.g. screen readers) attach a label to an otherwise anonymous HTML element.
So there's the <label> element:
<label for="fmUserName">Your name</label&g...