lispking的专栏

King 14:34:07 <br />请教一下以下函数，该函数是尾递归吗？<br />all(Pred, [Hd|Tail]) -><br />    Pred(Hd) andalso all(Pred, Tail);<br />all(_, []) -><br />    true.<br /><br />Cobain 14:34:01 <br />不是啊<br />King 14:35:02 <br />为什么？<br />King 14:35:30 <br

<br /> <br />1.安装JDK<br />官网下载JDK:http://www.oracle.com/technetwork/java/javase/downloads/index.html<br />sudo sh jdk-6u24-linux-i586.bin<br /> <br />2.设置环境变量<br />sudo vi /etc/environment<br />增加：<br />export JAVA_HOME=/home/lispking/Java/jdk1.6.0_24<br /

%% do_purge(Module)%%  Kill all processes running code from *old* Module, and then purge the%%  module. Return true if any processes killed, else false. do_purge(Mod) ->    do_purge(proces

原文来自:http://www.trapexit.org/Floating_Point_RoundingIn erlang, u need to round a floating-point number to an integer. floor(X) when