akka
Actor里的偏函数与性能 https://hongjiang.info/akka-in-practice-1/
Patterns.ask 是使用一个临时创建的actor发消息而非自身 https://hongjiang.info/akka-patterns-ask-with-temporary-actor/
对actor的邮箱计数 https://hongjiang.info/akka-mailbox-counter-extension/
Never ever block an actor https://hongjiang.info/never-ever-block-an-actor/

模式匹配
话说模式匹配(1) 什么是模式？https://hongjiang.info/scala-pattern-matching-1/
话说模式匹配(2) scala里是怎么实现的? https://hongjiang.info/scala-pattern-matching-2/
话说模式匹配(3) 模式匹配的核心功能是解构！https://hongjiang.info/scala-pattern-matching-3/
话说模式匹配(4) 赋值语句与模式匹配 https://hongjiang.info/scala-pattern-matching-4/
话说模式匹配(5) for表达式中的模式匹配 https://hongjiang.info/scala-pattern-matching-5/
话说模式匹配(6) case类的细节 https://hongjiang.info/scala-pattern-matching-6/
话说模式匹配(7) 一个构造器模式的例子(by case class) https://hongjiang.info/scala-pattern-matching-7/
话说模式匹配(8) 一个抽取器的例子 https://hongjiang.info/scala-pattern-matching-8/

类型相关
scala类型系统：1) 类型与类 https://hongjiang.info/scala-type-and-class/
scala类型系统：2) classOf与getClass方法的差异 https://hongjiang.info/scala-type-system-classof-and-getclass/
scala类型系统：3) 单例类型 https://hongjiang.info/scala-type-system-singleton-type/
scala类型系统：4) 内部类，路径依赖类型&类型投影 https://hongjiang.info/scala-type-system-inner-type-and-type-projection/
scala类型系统：5) 结构类型 https://hongjiang.info/scala-type-system-structural-type/
scala类型系统：6) 复合类型与with关键字 https://hongjiang.info/scala-type-system-compund-type/
scala类型系统：7) 中缀类型 https://hongjiang.info/scala-type-system-infix-type/
scala类型系统：8) type关键字 https://hongjiang.info/scala-type-system-type-keyword/
scala类型系统：9) this别名&自身类型 https://hongjiang.info/scala-type-system-self-type/
scala类型系统：10) 交集类型与联合类型 https://hongjiang.info/scala-intersection-type-and-union-type/
scala类型系统：11) upper bounds & lower bounds https://hongjiang.info/scala-upper-bounds-and-lower-bounds/
scala类型系统：12) view bounds https://hongjiang.info/scala-type-system-view-bounds/
scala类型系统：13) context bounds https://hongjiang.info/scala-type-system-context-bounds/
scala类型系统：14) multiple bounds https://hongjiang.info/scala-type-system-multiple-bounds/
scala类型系统：15) 协变与逆变 https://hongjiang.info/scala-covariance-and-contravariance/
scala类型系统：16) 函数类型 https://hongjiang.info/scala-function-type/
scala类型系统：17) 结构类型的细节问题 https://hongjiang.info/scala-structural-type-detail/
scala类型系统：18) 不稳定(volatile)类型 https://hongjiang.info/scala-type-system-volatile-type/
scala类型系统：19) Manifest与TypeTag https://hongjiang.info/scala-type-system-manifest-vs-typetag/
scala类型系统：20) 数组类型 https://hongjiang.info/scala-type-system-array-type/
scala类型系统：21) type specialization与类爆炸 https://hongjiang.info/scala-type-specialization/
scala类型系统：22) 类型约束与特定方法 https://hongjiang.info/scala-type-contraints-and-specialized-methods/
scala类型系统：23) 用类型证明实现联合类型 https://hongjiang.info/scala-type-evidence-and-union-type/
scala类型系统：24) 理解 higher-kinded-type https://hongjiang.info/scala-higher-kinded-type/
scala类型系统：25) type lambda https://hongjiang.info/scala-type-lambda/
scala类型系统：26) type classes模式 https://hongjiang.info/scala-type-classes-pattern/
scala类型系统：27) 回顾常见的type classes https://hongjiang.info/scala-type-classes-review/
scala类型系统：28) 依赖类型 https://hongjiang.info/scala-type-system-dependent-types/
scala类型系统：case class与代数数据类型 https://hongjiang.info/scala-case-class-and-algebraic-data-type/
scala类型系统：类型推导 https://hongjiang.info/scala-type-inference/
scala类型系统：柯里-霍华德同构 https://hongjiang.info/scala-curry-howard-isomorphism/
scala类型系统：值类型与数组 https://hongjiang.info/scala-value-class-in-array/
scala类型系统：Null与Nothing，造型问题 https://hongjiang.info/scala-null-and-nothing/
scala类型系统：值类型的细节 https://hongjiang.info/scala-value-classes-detail/
scala类型系统：通用特质(universal traits) https://hongjiang.info/scala-universal-traits/
scala类型系统：值类型的装箱问题 https://hongjiang.info/scala-value-class-boxing-question/
scala类型系统：值类型的一些限制 https://hongjiang.info/scala-value-classes/

shapeless
shapeless(1): 从方法与函数的多态谈起 https://hongjiang.info/shapeless-1-polymorphic-question/
shapeless(2): 对函数(值)实现参数化多态 https://hongjiang.info/shapeless-2-polymorphic-function-impl/

类型推导相关
泛型方法转换为部分应用函数时的类型推导问题 https://hongjiang.info/generic-methods-2-partially-applied-functions/

spray
spray中的Magnet模式: typeclass的一种特定方式 https://hongjiang.info/spray-magnet-pattern/

monads & monoids
我所理解的monad(0) https://hongjiang.info/understand-monad-0/
我所理解的monad(1)：半群(semigroup)与幺半群(monoid) https://hongjiang.info/semigroup-and-monoid/
我所理解的monad(2)：fold与monoid https://hongjiang.info/fold-and-monoid/
我所理解的monad(3)：半群(semigroup)与并行运算 https://hongjiang.info/semigroup-and-parallel/
我所理解的monad(4)：函子(functor)是什么 https://hongjiang.info/understand-monad-4-what-is-functor/
我所理解的monad(5)：自函子(Endofunctor)是什么 https://hongjiang.info/understand-monad-5-what-is-endofunctor/
我所理解的monad(6)：从组合子(combinator)说起 https://hongjiang.info/understand-monad-6-combinator/
我所理解的monad(7)：把monad看做行为的组合子 https://hongjiang.info/understand-monad-7-action-combinator/

翻译&笔记
Programming in Scala的阅读笔记 https://hongjiang.info/programming-in-scala-notes/
Effective Scala中文版 https://hongjiang.info/effective-scala-chinese/
翻译 monads-are-elephants 第一部分 https://hongjiang.info/monads-are-elephants-part1-chinese
翻译 monads-are-elephants 第二部分 https://hongjiang.info/monads-are-elephants-part2-chinese
翻译 monads-are-elephants 第三部分 https://hongjiang.info/monads-are-elephants-part3-chinese

scala pitfalls
scala雾中风景(0): 序 https://hongjiang.info/scala-pitfalls-0/
scala雾中风景(1): lambda表达式的缩写 https://hongjiang.info/scala-pitfalls-1/
scala雾中风景(2): 小括号与花括号 https://hongjiang.info/scala-pitfalls-2/
scala雾中风景(3): for表达式的背后 https://hongjiang.info/scala-pitfalls-3/
scala雾中风景(4): Unit类型 https://hongjiang.info/scala-pitfalls-4/
scala雾中风景(5): 中缀表达 https://hongjiang.info/scala-pitfalls-5/
scala雾中风景(6): 内部类与模式匹配 https://hongjiang.info/scala-pitfalls-6/
scala雾中风景(7): val x:Int = x + 1 的问题 https://hongjiang.info/scala-pitfalls-7/
scala雾中风景(8): 高阶函数与Unit的谜题 https://hongjiang.info/scala-pitfalls-8/
scala雾中风景(9): List(1,2,3) == Seq(1,2,3) ? https://hongjiang.info/scala-pitfalls-9/
scala雾中风景(10): 逆变点与协变点 https://hongjiang.info/scala-pitfalls-10/
scala雾中风景(11): isInstanceOf与类型擦拭 https://hongjiang.info/scala-pitfalls-11-type-erasure/
scala雾中风景(12): App特质的延迟初始化 https://hongjiang.info/scala-app-trait-delay-init/
scala雾中风景(13): 模式匹配中的逻辑或 https://hongjiang.info/scala-pitfalls-13/
scala雾中风景(14): trait的泛型参数为何不支持context bounds https://hongjiang.info/scala-pitfalls-14/
scala雾中风景(15): class A { type T }与class A[T] {} https://hongjiang.info/scala-pitfalls-15/
scala雾中风景(16): println(1,2,3)为什么work? https://hongjiang.info/scala-pitfalls-16/
scala雾中风景(17): toSet()的谜题 https://hongjiang.info/scala-pitfalls-17/
scala雾中风景(18): postfix operator的问题 https://hongjiang.info/scala-pitfalls-18/
scala雾中风景(19): MutableList与mutable.LinkedList的问题 https://hongjiang.info/scala-pitfalls-19/
scala雾中风景(20): MutableList迭代器的bug https://hongjiang.info/scala-pitfalls-20/
scala雾中风景(21): auto-tupling与auto-detupling https://hongjiang.info/scala-pitfalls-21-auto-tupling-and-auto-detupling/
scala雾中风景(22): var变量与赋值操作符 https://hongjiang.info/scala-pitfalls-22/
scala雾中风景(23): Nothing类型引发的NullPointerException https://hongjiang.info/scala-pitfalls-23-nothing-caused-npe/
scala雾中风景(24): break与异常捕获 https://hongjiang.info/scala-pitfalls-24/
scala雾中风景(25): try-finally表达式的类型推导 https://hongjiang.info/scala-pitfalls-25-try-finally-expr-type-infer/
scala雾中风景(26): 变量查找的问题 https://hongjiang.info/scala-pitfalls-26/

诊断
scala的诊断方法(1) 使用-Xprint:typer看语法糖的背后 https://hongjiang.info/scala-diagnose-1/
scala的诊断方法(2) 在repl下用reify查看表达式的翻译结果 https://hongjiang.info/scala-diagnose-2/
scala的诊断方法(3) 在repl下统计方法的执行时间 https://hongjiang.info/scala-diagnose-3/
scala的诊断方法(4) -Ytyper-debug 编译项 https://hongjiang.info/scala-diagnose-4/
scala的诊断方法(5) 用scalac-aspects诊断scalac各阶段耗时 https://hongjiang.info/scalac-aspects/

函数与函数式风格
无参方法与小括号问题 https://hongjiang.info/scala-parenthesis-and-apply/
scala中的无参方法与统一访问原则 https://hongjiang.info/scala-uniform-access-principle/
scala中的eta-conversion https://hongjiang.info/scala-eta-conversion/
闭包变量绑定问题 https://hongjiang.info/closure-var-banding/
如何写一段符合scala语言习惯的快速排序 https://hongjiang.info/scala-quicksort/
Any.##方法与hashCode的区别 https://hongjiang.info/double-pound-sign-and-hashcode/
scala中的有名参数 https://hongjiang.info/scala-named-arguments/
map函数，隐式参数CanBuildFrom的细节 https://hongjiang.info/scala-canbuildfrom-detail/
scala中函数类型的多态 https://hongjiang.info/scala-function-polymorphic/
scala不是函数式语言，与Ocaml的对比 https://hongjiang.info/scala-vs-ocaml/
foldLeft与foldRight https://hongjiang.info/foldleft-and-foldright/
再谈eta-conversion与eta-expansion https://hongjiang.info/eta-conversion-and-eta-expansion/
柯里化(currying)与构造器(Builder)模式 https://hongjiang.info/currying-and-builder-pattern/

集合相关
对tuple进行迭代 https://hongjiang.info/tuple-iterator/
String当作集合处理时的方法 https://hongjiang.info/string-as-collection/
scala中集合的交集、并集、差集 https://hongjiang.info/scala-union-diff-intersect/
Tuple1的存在意义？https://hongjiang.info/tuple1-purpose/
为什么scala中的tuple定义了22个(Tuple22)? https://hongjiang.info/why-tuples-only-to-22/
二元组箭头表达式背后的语法糖 https://hongjiang.info/scala-any2arrowassoc/
通过List.apply方法构造List的背后逻辑 https://hongjiang.info/scala-list-apply/

API pitfalls
scala类库中的api陷阱(1): LinkedList.append https://hongjiang.info/scala-api-pitfalls-1/

REPL相关
repl杂记 https://hongjiang.info/repl-misc/
repl下的几种模式 https://hongjiang.info/scala-repl-modes/
repl下的javap https://hongjiang.info/scala-repl-javap/
scala2.11的repl下增加了kind命令 https://hongjiang.info/scala-repl-kind/

scala 2.10+
scala2.10中eval一段script https://hongjiang.info/scala210-eval-script/
scala2.10.1的repl下:cp命令不能工作 https://hongjiang.info/scala210-repl-cp-do-not-work/
scala2.10中采纳了SIP-18:模块化语言特性 https://hongjiang.info/scala-sip-18/
scala2.10里的for表达式已经不允许对变量声明val https://hongjiang.info/for-comprehension-val-definition/
scala2.11编译环节的一些变动: delambdafy https://hongjiang.info/scala-compiler-delambdafy/
scala2.11编译器对lint的增强 https://hongjiang.info/scala-211-compiler-lint/

未分类
lazy变量与双重检测锁(DCL) https://hongjiang.info/scala-lazy-and-dcl/
scala里的静态代理(static-forwarders) https://hongjiang.info/scala-static-forwarders/
统计诗经中最常使用的叠词 https://hongjiang.info/scala-counting…ated-character/
scala2.9中@serializable注释已不鼓励使用 https://hongjiang.info/serializable-annotation-deprecated/
import _root_.xxx 中的_root_前缀表示xxx包名是绝对路径 https://hongjiang.info/scala-package-root-prefix/
scala中执行外部命令(scala.sys.process) https://hongjiang.info/scala-process/
classloader问题：import my.package._ 是否会load该包下所有的class? https://hongjiang.info/classloader-question-on-import-classes/
scala中有Unicode的关键字 https://hongjiang.info/scala-unicode-reserved-words/
Any类的源码在哪儿？https://hongjiang.info/cannot-find-soucecode-of-class-any/
scala编译器的一个bug https://hongjiang.info/scala-compiler-bug/
scala bug系列：2.10编译器把单例当作类型的bug https://hongjiang.info/scala-bug-210-object-as-type/
scala里模拟javascript/python里的生成器的效果 https://hongjiang.info/scala-simulate-javascript-generator/
null造型为值类型时为何不抛异常 https://hongjiang.info/null-cast-to-value-type/
Int与Integer的拆箱问题 https://hongjiang.info/scala-int-unbox-for-null/
Scala函数式编程中文版已上架 https://hongjiang.info/functional-programming-in-scala-chinese-version/
scalastyle工具 https://hongjiang.info/scala-style-checker/

分享与交流
分享ppt: scala中的函数与闭包 https://hongjiang.info/scala-function-and-closure/
与19楼的交流 https://hongjiang.info/scala-19lou/
上海scala爱好者聚会(2013) https://hongjiang.info/scala-shanghai-512/
阿里技术嘉年华2013 https://hongjiang.info/adc2013/
2013华东scala爱好者聚会(杭州) https://hongjiang.info/scala-hangzhou-2013-1019/
华东地区scala爱好者聚会(2014上海) https://hongjiang.info/scala-shanghai-2014/
华东地区scala爱好者聚会(2015上海) https://hongjiang.info/scala-shanghai-2015/
Scala在挖财的应用实践 https://hongjiang.info/scala-in-wacai/
ArchSummit北京2015小记 https://hongjiang.info/archsummit-beijing-2015/

依赖注入
Cake Pattern与依赖注入 https://hongjiang.info/cake-pattern-and-di/
scala中的self type(自身类型)与依赖注入 https://hongjiang.info/scala-self-type-and-di/