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Using the “final” modifier whenever applicable in Java [closed]
...ce of declaring every variable (local or class), parameter final if they really are.
25 Answers
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Apache redirect to another port
...//example.com in ProxyPass and ProxyPassReverse and leave it as /. Additionally, you need to leave the / at the end of example/ to where it is redirecting. Also, I had some trouble with http://example.com vs. http://www.example.com - only the www worked until I made the ServerName www.example.com, a...
Android Fragment handle back button press [duplicate]
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When you are transitioning between Fragments, call addToBackStack() as part of your FragmentTransaction:
FragmentTransaction tx = fragmentManager.beginTransation();
tx.replace( R.id.fragment, new MyFragment() ).addToBackStack( "tag" ).commit();
If you require more deta...
When to use StringBuilder in Java [duplicate]
It is supposed to be generally preferable to use a StringBuilder for string concatenation in Java. Is this always the case?
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...evelopers inevitably leads to some using the return value of the function called like this:
function doSomething() {
//Some code
return false;
}
But then they forget to use return doSomething() in the onclick and just use doSomething().
A second reason for avoiding # is that the final re...
Uses for the Java Void Reference Type?
...ce type . The only situation I have ever seen it used is to parameterize Callable s
11 Answers
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How to nicely format floating numbers to String without unnecessary decimal 0?
...signed int, which I took to mean that int was acceptable (unsigned not actually existing in Java, and no exemplar was problematic), but changing int to long is a trivial fix if the situation is different.
– JasonD
Feb 3 '14 at 14:26
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Redirecting to a certain route based on condition
I'm writing a small AngularJS app that has a login view and a main view, configured like so:
11 Answers
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How to open the Google Play Store directly from my Android application?
...lock here because an Exception will be thrown if the Play Store is not installed on the target device.
NOTE: any app can register as capable of handling the market://details?id=<appId> Uri, if you want to specifically target Google Play check the Berťák answer
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How do I alter the position of a column in a PostgreSQL database table?
...o ensure data consistency and that would certainly apply to pg_dump. After all, what's the point of doing db backups if the restore is borked?
– Dana the Sane
Nov 13 '08 at 23:41
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