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How to check if the user can go back in browser history or not
I want using JavaScript to see if there is history or not, I mean if the back button is available on the browser or not.
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Code Wrap IntelliJ?
...assign a shortcut for word wrap like as sublime text do? i.e. if the code line is too long it should be automatically break to the next line. wikipedia.org.org/Word_wrap
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What's the difference between 'git merge' and 'git rebase'?
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Suppose originally there were 3 commits, A,B,C:
Then developer Dan created commit D, and developer Ed created commit E:
Obviously, this conflict should be resolved somehow. For this, there are 2 ways:
MERGE:
Both commits D and ...
Number of occurrences of a character in a string [duplicate]
I am trying to get the number of occurrences of a certain character such as & in the following string.
6 Answers
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Can a constructor in Java be private?
...can be private. There are different uses of this. One such use is for the singleton design anti-pattern, which I would advise against you using. Another, more legitimate use, is in delegating constructors; you can have one constructor that takes lots of different options that is really an implementa...
Python function global variables?
I know I should avoid using global variables in the first place due to confusion like this, but if I were to use them, is the following a valid way to go about using them? (I am trying to call the global copy of a variable created in a separate function.)
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Correct way to close nested streams and writers in Java [duplicate]
...ava 7. Java 7 provides Automatic Resource Management functionality for doing this easilly. If you are using Java 7 or later you should advance to the answer of Ross Johnson .
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How do I calculate someone's age in Java?
I want to return an age in years as an int in a Java method.
What I have now is the following where getBirthDate() returns a Date object (with the birth date ;-)):
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Can't connect to localhost on SQL Server Express 2012 / 2016
... 2012 but I cannot connect to localhost. I tried localhost\SQLExpress and Windows authentication but it gives me an error message saying cannot connect. Am I missing something here? I've used SQL Server 2008 before and I've never had issues connecting to localhost. It seems that it can't even find i...
Animate the transition between fragments
I'm trying to animate the transition between fragments. I got the answer from the following
Android Fragments and animation
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