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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
I have been working on a method to sync core data stored in an iPhone application between multiple devices, such as an iPad or a Mac. There are not many (if any at all) sync frameworks for use with Core Data on iOS. However, I have been thinking about the following concept:
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LINQ with groupby and count
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After calling GroupBy, you get a series of groups IEnumerable<Grouping>, where each Grouping itself exposes the Key used to create the group and also is an IEnumerable<T> of whatever items are in your original data set. You just have to call Count() on that Grouping ...
How to kill an Android activity when leaving it so that it cannot be accessed from the back button?
...n Android activity, I would like to start a new activity for the user at some point. Once they leave the first activity and arrive at the second, the first activity is stale and I want to remove it completely so it can not be accessed again from the back button.
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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
...d like to add a jQuery way, if this can help anyone.
<script>
$(document).ready(function()
{
$(".backup_picture").on("error", function(){
$(this).attr('src', './images/nopicture.png');
});
});
</script>
<img class='backup_picture' src='./images/nonexistent_image_file...
Mockito: Inject real objects into private @Autowired fields
...h(MockitoJUnitRunner.class)
public class DemoTest {
@Spy
private SomeService service = new RealServiceImpl();
@InjectMocks
private Demo demo;
/* ... */
}
Mockito will consider all fields having @Mock or @Spy annotation as potential candidates to be injected into the instance ...
“Application tried to present modally an active controller”?
I just came across a crash showing a NSInvalidArgumentException with this message on an app which wasn't doing this before.
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submit a form in a new tab
I'd like (just to test some functions, after I'll avoid this behaviour) to load the page called by submit on a new tab : is it possible?
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Is there any way to close a StreamWriter without closing its BaseStream?
... calls Dispose on a StreamWriter , it also disposes the BaseStream (same problem with Close ).
5 Answers
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Eventual consistency in plain English
... that it is going to rain tomorrow.
Eventually, all of the servers (you, me, your neighbor) know the truth (that it's going to rain tomorrow), but in the meantime the client (his wife) came away thinking it is going to be sunny, even though she asked after one or more of the servers (you and me) h...
How to get full path of a file?
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@J0hnG4lt: that's because you installed coreutils with homebrew and changed your PATH to point to the unprefixed binaries. Installing coreutils, leaving PATH alone, and using "greadlink" would work as well.
– Tim Smith
Jul 25 '14 at 20:43
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