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Is there a practical use for weak references? [duplicate]
...- in our example, we have a variety of listeners that must register with a service. The service keeps weak references to the listeners, while the instantiated classes keep strong references. If the classes at any time get GC'ed, the weak reference is all that remains of the listeners, which will t...
How to make a SPA SEO crawlable?
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You can use or create your own service for prerender your SPA with the service called prerender. You can check it out on his website prerender.io and on his github project (It uses PhantomJS and it renderize your website for you).
It's very easy to start...
How to refresh Android listview?
...calling the notifyDataSetChanged().
If you're working with a database or service backend you'll have to call the method to retrieve the information again (or manipulate the in memory data) before calling the notifyDataSetChanged().
The thing is this notifyDataSetChanged only works if the dataset ...
When is it acceptable to call GC.Collect?
...ector does. This is unlikely to be true in a multi user application, or a service that is responding to more then one request at a time.
However in some batch type processing you do know more then the GC. E.g. consider an application that.
Is given a list of file names on the command line
Proce...
Background task, progress dialog, orientation change - is there any 100% working solution?
...nother approach is to ditch the AsyncTask and move your work into an IntentService. This is particularly useful if the work to be done may be long and should go on regardless of what the user does in terms of activities (e.g., downloading a large file). You can use an ordered broadcast Intent to eit...
“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()
...vity)
}
protected String doInBackground(String... params) {
//web service call
}
protected void onPostExecute(String result) {
if(page.contains("error")) //when not subscribed
{
if (loginActivityWeakRef.get() != null && !loginActivityWeakRef.get().isFinishing()) {...
In Docker, what's the difference between a container and an image? [duplicate]
... is an EC2 Instance (running or stopped) - but you have to know Amazon Web Services to understand that analogy.
– phpguru
May 15 '15 at 16:11
...
Where are environment variables stored in registry?
...iables at the time they start. So with something like IIS, restarting that service should bring in the updated values.
– Steve Scheffler
Jan 10 '13 at 3:11
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Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
...re importing the certificate? For example, if URL is domain.site.com/pages/service.asmx then should alias be domain.site.com or complete URL(domain.site.com/pages/service.asmx) or should it also be prefixed with http:// or it is just an arbitrary name?
– nanosoft
...
Creating an official github mirror
...repositories in this fashion.
However, one can ask GitHub to install this service for repositories which are part of an organization. GitHub then configures an existing repository as such a mirror and pulls from it in an interval that is a function of the number of overall mirrors they have.
EDIT...