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Repeat a task with a time delay?
....
} finally {
// 100% guarantee that this always happens, even if
// your update method throws an exception
mHandler.postDelayed(mStatusChecker, mInterval);
}
}
};
void startRepeatingTask() {
mStatusChecker.run();
}
void sto...
Flat file databases [closed]
..."../userdata/".$name));
}
but again this implementation will vary on the application and nature of the database you need.
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How to use the “number_to_currency” helper method in the model rather than view?
...s a slippery slope from “well just this one thing” to a bloated model. App helpers in Rails are a junk-drawer, presenters/view-models are easier to manage. I don’t see creating the data for a report and generating the (html|pdf|csv|etc.) view of that data as a single responsibility any more th...
Validate a username and password against Active Directory?
...a user. Just be aware of this behavior and don't be too surprised if this happens :-) (thanks to @MikeGledhill for pointing this out!)
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what is the difference between XSD and WSDL
...anation at beginners.
It is not easy to communicate between two different applications that are developed using two different technologies. For example, a company in Chicago might develop a web application using Java and another company in New York might develop an application in C# and when these ...
Replace Fragment inside a ViewPager
...u probably noticed yourself, using that ID in your code causes nothing to happen. I will explain why:
First of all, to make ViewPager repopulate the pages, you need to call notifyDataSetChanged() that resides in the base class of your adapter.
Second, ViewPager uses the getItemPosition() abstract ...
One SVN repository or many?
... Subversion. They have ~50 projects, ranging from very small to enterprise applications and their corporate website. Their plan? Start with a single repository, migrate to multiple if necessary. The migration is almost complete and they're still on a single repository, no complaints or issues repo...
Volatile vs. Interlocked vs. lock
... ARE CONCURRENTLY SAFE ON ANY NUMBER OF COREs OR CPUs.
Interlocked methods apply a full fence around instructions they execute, so reordering does not happen.
Interlocked methods do not need or even do not support access to a volatile field, as volatile is placed a half fence around operations on gi...
Post data to JsonP
...used for customer registration and login):
Basically, I'm using an IFrame approach, as suggested in the accepted answer. What I'm doing differently is after sending the request, I'm watchin, if the form can be reached in the iframe, using a timer. When the form cannot be reached, it means the reque...
When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
I have a Spring MVC web app which uses Spring Security. I want to know the username of the currently logged in user. I'm using the code snippet given below . Is this the accepted way?
...