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Specifying an Index (Non-Unique Key) Using JPA
...orm.annot.Column, index and uniqueIndex properties;
requery (GitHub. Java, Kotlin, Android): Annotation io.requery.Index;
Exposed (Kotlin SQL Library): org.jetbrains.exposed.sql.Index, org.jetbrains.exposed.sql.Table#index(). Example:
object Persons : IdTable() {
val code = varchar("code", 50...
Why doesn't RecyclerView have onItemClickListener()?
...by making use of RecyclerView.OnChildAttachStateChangeListener.
Edit 2019: kotlin version by me, java one, from Hugo Visser, kept below
Kotlin / Java
Create a file values/ids.xml and put this in it:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<item name="item_click_support"...
一个自媒体的运营手记：我做公众号已经两年多了 - 资讯 - 清泛网 - 专注C/C...
...文章的，即使写出来了，也不会深入到行业内部，也没有权威性。这个其实就是行业媒体人和媒体自媒体人的区别，但是这些东西很多人都不懂。
内容除了深度和专业外，还有就是有方向，发什么方面的内容，什么类型的文章...
Convert String to Uri
...
If you are using Kotlin and Kotlin android extensions, then there is a beautiful way of doing this.
val uri = myUriString.toUri()
To add Kotlin extensions (KTX) to your project add the following to your app module's build.gradle
reposit...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
...念是含混不清的非常重要的。 它的含混不清与面向对象编程里的类含混不清相同。正式的定义解释了类是数据成员和方法的集合，然而，没有定义解释商务逻辑的哪一部分应当形成类，哪一部分不能形成类。这完全由编程者决...
Mock static methods from multiple class using PowerMock
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in kotlin @PrepareForTest(Class1::class, Class2::class))
– Ryhan
Sep 13 '17 at 20:40
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How to use stringstream to separate comma separated strings [duplicate]
...a good practice to have a method outside of a class? Modern languages like Kotlin don't even allow static methods.
– Dmitry Gusarov
Oct 16 '19 at 2:00
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runOnUiThread in fragment
...
Use a Kotlin extension function
fun Fragment?.runOnUiThread(action: () -> Unit) {
this ?: return
if (!isAdded) return // Fragment not attached to an Activity
activity?.runOnUiThread(action)
}
Then, in any Fragment...
Get Bitmap attached to ImageView
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drawingCache is deprecated in Kotlin
– Raju yourPepe
Oct 5 '18 at 13:38
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@UniqueConstraint annotation in Java
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Note: In Kotlin the syntax for declaring the arrays in annotations uses arrayOf(...) instead of {...}
@Entity
@Table(uniqueConstraints=arrayOf(UniqueConstraint(columnNames=arrayOf("book", "chapter_number"))))
class Chapter(@ManyToOne...