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How to rollback a specific migration?
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Another word of warning - don't ever do STEP=-1. I did that once and it went mad, rolling back everything. Not nice! This was Rails 4.2 - I guess it may be fixed by now.
– Dave Hartnoll
Mar 13 '18 at 16:37
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Load image from url
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URL url = new URL("http://image10.bizrate-images.com/resize?sq=60&uid=2216744464");
Bitmap bmp = BitmapFactory.decodeStream(url.openConnection().getInputStream());
imageView.setImageBitmap(bmp);
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How to go back to previous page if back button is pressed in WebView?
...ks, clicking a link in the webpage goes to the next page in the website inside my app. But when I click the phone's back button, it takes me straight into my app. I want to go back to the previous page in the website instead. How can I do this?
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How to save picture to iPhone photo library?
...ageWriteToSavedPhotosAlbum(UIImage *image,
id completionTarget,
SEL completionSelector,
void *contextInfo);
You only need completionTarget, completionSelector and contextInfo if you want to be notified ...
Obtain form input fields using jQuery?
...or that, there's this:
var input_name = "firstname";
var input = $("#form_id :input[name='"+input_name+"']");
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What does “where T : class, new()” mean?
... edited Jan 13 '17 at 21:22
Tohid
4,82177 gold badges4040 silver badges7373 bronze badges
answered Jan 19 '11 at 16:39
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How do I switch between the header and implementation file in Xcode 4?
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For a company that prides itself on usability and ease-of-use; how can Apple manage to make XCode so confusing to work with. No, this is not a rant; it's an honest comment: does Apple not value the developers who work on Mac and iOS applications...
No connection string named 'MyEntities' could be found in the application config file
...gt;;integrated security=True;MultipleActiveResultSets=True' -ConnectionProviderName 'System.Data.SqlClient'
Then try again
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Count how many files in directory PHP
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to get rid of the . and .. try this: $files = array_diff( scandir("/dir"), array(".", "..") );
– JKirchartz
Oct 9 '12 at 13:48
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Core Data: Quickest way to delete all instances of an entity
...t]];
[allCars setIncludesPropertyValues:NO]; //only fetch the managedObjectID
NSError *error = nil;
NSArray *cars = [myContext executeFetchRequest:allCars error:&error];
[allCars release];
//error handling goes here
for (NSManagedObject *car in cars) {
[myContext deleteObject:car];
}
NSError ...