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How do I calculate someone's age in Java?
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JDK 8 makes this easy and elegant:
public class AgeCalculator {
public static int calculateAge(LocalDate birthDate, LocalDate currentDate) {
if ((birthDate != null) && (currentDate != null)) {
return Period.betwee...
How to pass a variable from Activity to Fragment, and pass it back?
I am currently making an android app, and I want to pass a date between activity and fragment.
My activity has a button, which opens the fragment: DatePickerFragment.
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Update Git branches from master
I'm new to Git, and now I'm in this situation:
9 Answers
9
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How does the socket API accept() function work?
The socket API is the de-facto standard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical.
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Disable browser 'Save Password' functionality
..." action="login.cgi" method="post" autocomplete="off">
The easiest and simplest way to disable Form and Password storage prompts and prevent form data from being cached in session history is to use the autocomplete form element attribute with value "off".
From http://developer.mozilla....
Is there a destructor for Java?
...hat need to explicitly tidy up, the convention is to define a close method and use finalize only for sanity checking (i.e. if close has not been called do it now and log an error).
There was a question that spawned in-depth discussion of finalize recently, so that should provide more depth if requi...
Securing my REST API with OAuth while still allowing authentication via third party OAuth providers
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First I'd like to emphasize the difference between authentication and authorization:
A user authenticates to your web site by supplying some credential such as a username+password. OpenID allows this to be displaced by having the user authenticate to another service, which then asserts th...
Difference between session affinity and sticky session?
What is the difference between session affinity and sticky session in context of load balancing servers?
7 Answers
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How to have Android Service communicate with Activity
I'm writing my first Android application and trying to get my head around communication between services and activities. I have a Service that will run in the background and do some gps and time based logging. I will have an Activity that will be used to start and stop the Service.
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“message failed to fetch from registry” while trying to install any module
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I had this issue with npm v1.1.4 (and node v0.6.12), which are the Ubuntu 12.04 repository versions.
It looks like that version of npm isn't supported any more, updating node (and npm with it) resolved the issue.
First, uninstall the outdated version (optio...