shell script comparison of float

int=3.14
if [ `echo "$int < 6"|bc` -eq 1 ]; then
echo "true"
else
echo "false"
fi

jquery json to string

http://stackoverflow.com/questions/3593046/jquery-json-to-string

JSON.stringify = JSON.stringify || function (obj) {
var t = typeof (obj);
if (t != "object" || obj === null) {
// simple data type
if (t == "string") obj = '"'+obj+'"';
return String(obj);
}
else {
// recurse array or object
var n, v, json = [], arr = (obj && obj.constructor == Array);
for (n in obj) {
v = obj[n]; t = typeof(v);
if (t == "string") v = '"'+v+'"';
else if (t == "object" && v !== null) v = JSON.stringify(v);
json.push((arr ? "" : '"' + n + '":') + String(v));
}
return (arr ? "[" : "{") + String(json) + (arr ? "]" : "}");
}
};

var tmp = {one: 1, two: "2"};
JSON.stringify(tmp); // '{"one":1,"two":"2"}'

Teradata error code

BTEQ Return codes and Error codes

Axis2 實作 Part II - Creating Clients
AXIS2(Web Service Server) - 安裝說明

在Windows上讀取UNIX硬碟

http://blog.yam.com/lijohnson/article/12413235

Impala

Google Dremel 原理.
Impala 介绍