Swift中是否有flattenScala,Xtend,Groovy,Ruby和co？
var aofa = [[1,2,3],[4],[5,6,7,8,9]]
aofa.flatten() // shall deliver [1,2,3,4,5,6,7,8,9]
当然我可以使用reduce,但那有点糟透了
var flattened = aofa.reduce(Int[]()){
a,i in var b : Int[] = a
b.extend(i)
return b
}
我有一个<div>包含两个span.一个带有(更长)文本,一个带有图标.文本将换行(使用连字符),图标应垂直对齐.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="de">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<meta content="IE=Edge" http-equiv="X-UA-Compatible"/>
<style>
tr > th > span.text {
webkit-hyphens: auto; -moz-hyphens: auto; -ms-hyphens: auto; -o-hyphens: auto; hyphens: auto;
}
tr > th > span.icon {
float: right; vertical-align: middle;
}
</style>
</head>
<body>
<table width="200px" style="table-layout:fixed">
<tr>
<th>
<span class="text" lang="de">Donaudampfschifffahrtsgesellschaftskapitän</span>
<span class="icon">
<img title="Icon" src="AufsteigendSortieren_d9d9d9.png">
</span>
</th>
<th>
<span class="text" lang="de">Donaudampfschifffahrtsgesellschaftskapitän</span>
<span class="icon">
<img title="Icon" src="AufsteigendSortieren_d9d9d9.png"> …从命令行调用 mvn 时如何指定 dolect 工件
mvn clean install javadoc:javadoc -Ddoclet=my.Doclet -DdocletArtifact=????