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How to set cornerRadius for only top-left and top-right corner of a UIView?

...it to your view. In my code below I was rounding the bottom corners of the _backgroundView with a radius of 3 pixels. self is a custom UITableViewCell: UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.backgroundImageView.bounds byRoundingCorners:(UIRectCornerBottomLeft ...
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How can I convert string date to NSDate?

... */ let date = dateFormatter.dateFromString(/* your_date_string */) For further query, check NSDateFormatter and DateFormatter classes of Foundation framework for Objective-C and Swift, respectively. Swift 3 and later (Swift 4 included) let dateFormatter = DateFormatter()...
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Animate text change in UILabel

...right before changing content extension UIView { func fadeTransition(_ duration:CFTimeInterval) { let animation = CATransition() animation.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeInEaseOut) animation.type = CATransitionType...
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Convert an NSURL to an NSString

...[myURL absoluteString]; But I had met this error and xcode was crashed. -[__NSCFString absoluteString]: unrecognized selector sent to instance 0x791a18e0 – Võ Mai Trinh Jun 22 '15 at 9:39 ...
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Find objects between two dates MongoDB

...myself and it seems to work. items.save({ name: "example", created_at: ISODate("2010-04-30T00:00:00.000Z") }) items.find({ created_at: { $gte: ISODate("2010-04-29T00:00:00.000Z"), $lt: ISODate("2010-05-01T00:00:00.000Z") } }) => { "_id" : ObjectId("4c0791e2b9ec877...
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How to log PostgreSQL queries?

... In your data/postgresql.conf file, change the log_statement setting to 'all'. Edit Looking at your new information, I'd say there may be a few other settings to verify: make sure you have turned on the log_destination variable make sure you turn on the logging_collect...
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How to upload a file to directory in S3 bucket using boto

...... import boto import boto.s3 import sys from boto.s3.key import Key AWS_ACCESS_KEY_ID = '' AWS_SECRET_ACCESS_KEY = '' bucket_name = AWS_ACCESS_KEY_ID.lower() + '-dump' conn = boto.connect_s3(AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY) bucket = conn.create_bucket(bucket_name, locatio...
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JavaFX and OpenJDK

...ed application that uses JavaFX(e.g. JavaFX Scene Builder 2.0): cp <JRE_WITH_JAVAFX_HOME>/lib/ext/jfxrt.jar <JRE_HOME>/lib/ext/ cp <JRE_WITH_JAVAFX_HOME>/lib/javafx.properties <JRE_HOME>/lib/ cp <JRE_WITH_JAVAFX_HOME>/lib/amd64/libprism_* <JRE_HOME>/lib/amd6...
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How does the const constructor actually work?

...a nice performance win for Flutter widgets according to medium.com/@mehmetf_71205/inheriting-widgets-b7ac56dbbeb1 "Use const to build your widgets Without const, selective rebuilding of the sub-tree does not happen. Flutter creates a new instance of each widget in the sub-tree and calls build() was...
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Get push notification while App in foreground iOS

... app received push notifications in foreground func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) { completionHandler([.alert, .badge, .sound...