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SQL JOIN and different types of JOINs
...JOIN
Select *
FROM Table1 A RIGHT OUTER JOIN Table2 B On A.Pk = B.Fk;
3.1: CROSS JOIN
Select *
FROM TableA CROSS JOIN TableB;
3.2: CROSS JOIN-Self JOIN
Select *
FROM Table1 A1 CROSS JOIN Table1 A2;
//OR//
Select *
FROM Table1 A1,Table1 A2;
...
How to remove padding around buttons in Android?
.../toggle_selector"
Below is my toggle_selecter.xml file
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/notifications_toggle_on"
android:state_checked="t...
UIView Hide/Show with animation
...onOptions.curveEaseIn,
animations: {
self.alpha = 1.0
}, completion: completion)
}
func fadeOut(duration: TimeInterval = 0.5,
delay: TimeInterval = 0.0,
completion: @escaping (Bool) -> Void = {(finished: Bool) -> Void in }) {
...
How to use XPath in Python?
...ndings that are native to those libraries. As such, it gets the full XPath 1.0 implementation. Native ElemenTree supports a limited subset of XPath, although it may be good enough for your needs.
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Getting new Twitter API consumer and secret keys
...ring identifies your application when making requests to the API. In OAuth 1.0a, your "API keys" probably refer to the combination of this consumer key and the "consumer secret," a string that is used to securely "sign" your requests to Twitter.
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Full screen background image in an activity
...kground instead of using ImageView as follwoing example
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:backg...
About Android image and asset sizes
...
xxxhdpi (640 dpi, Extra-extra-extra-high density screen) - 192px x 192px (1.0) (5.33)
My short article is helpful to create image resources using imagemagick, when there are multiple images.
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Func vs. Action vs. Predicate [duplicate]
...lt;double>(foo); and foo definition could be static double foo(){return 1.0;}
– A.B.
Apr 7 '18 at 9:51
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Show a number to two decimal places
...represent the number). So round(1,2) (or any level or precision) returns '1.0', because '1.00' would not be a valid float. To make numbers behave like strings, you need to use string manipulation functions. (Previous versions of PHP may have acted differently/less logically)
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Differences between Ant and Maven [closed]
...pId>
<artifactId>my-project</artifactId>
<version>1.0</version>
</project>
That's all you need in your pom.xml. Running mvn install from the command line will process resources, compile source, execute unit tests, create a JAR, and install the JAR in a local re...