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Swift native base class or NSObject
... Objective-C classes, but implement only a handful of methods for NSObject compatibility
do not use objc_msgSend() for calls to their methods (by default)
do not provide Objective-C runtime metadata for their method implementations (by default)
Subclassing NSObject in Swift gets you Objective-C ru...
CSS3's border-radius property and border-collapse:collapse don't mix. How can I use border-radius to
Edit - Original Title: Is there an alternative way to achieve border-collapse:collapse in CSS (in order to have a collapsed, rounded corner table)?
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How can I delete Docker's images?
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In order to delete all images, use the given command
docker rmi $(docker images -q)
In order to delete all containers, use the given command
docker rm $(docker ps -a -q)
Warning: This will destroy all your images and containers. It will not be possible to restore ...
ImageView in circular through xml
... content with shape.
// res/drawable/circle.xml
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:innerRadius="0dp"
android:shape="ring"
android:thicknessRatio="1.9"
android:useLevel="false" >
<solid android:color="@android:color/transparent" /&...
Rename master branch for both local and remote Git repositories
...you're not able to change the remote's configuration, you won't be able to completely delete the master branch!
This caveat only applies to the current branch (usually the master branch); any other branch can be deleted and recreated as above.
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Is there an expression for an infinite generator?
Is there a straight-forward generator expression that can yield infinite elements?
7 Answers
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OnCreateOptionsMenu() not called in Fragment
...:34.468: E/AndroidRuntime(12294): Caused by: java.lang.ClassCastException: com.android.internal.view.menu.MenuItemImpl cannot be cast to android.widget.SearchView
– Android_programmer_office
Nov 26 '13 at 20:26
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Efficiently convert rows to columns in sql server
I'm looking for an efficient way to convert rows to columns in SQL server, I heard that PIVOT is not very fast, and I need to deal with lot of records.
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How do you deal with configuration files in source control?
...ally gets pushed to production, you won't be able to see the contents over http because IIS will prevent *.config files from being served
The default config file should be configured such that you can run the application locally on your own machine.
Most importantly, these files should be almost ...
Node.js / Express.js - How does app.router work?
...ould serve the files in that folder. So a request to your Node server for http://server/file.html would serve /var/www/file.html.
router is code that runs your routes. When you do app.get('/user', function(req, res) { ... });, it is the router that actually invokes the callback function to process...