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What exactly is Apache Camel?
...s from different sources to different destinations. For example: JMS -> JSON, HTTP -> JMS or funneling FTP -> JMS, HTTP -> JMS, JSON -> JMS
Wikipedia says:
Apache Camel is a rule-based routing and mediation engine which provides a Java object based implementation of the Enterpri...
通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...源。在本节，我们将讲解这些参数的使用。
ulimit 命令的格式为：ulimit [options] [limit]
具体的 options 含义以及简单示例可以参考以下表格。
表 1. ulimit 参数说明
选项 [options]
含义
例子
-H
设置硬资源...
Should I declare Jackson's ObjectMapper as a static field?
...d an application with 4 identical threads that were getting and processing JSON data from web services.
My application was frequently stalling on the following command, according to the thread dump:
Map aPage = mapper.readValue(reader, Map.class);
Beside that, performance was not good.
When I rep...
Nginx与Lua - 更多技术 - 清泛网 - 专注C/C++及内核技术
...点的例子。
首先，我们需要创建一个Redis配置文件config.json，内容如下：
{
"host": "<HOST>",
"port": "<PORT>"
}
然后，我们创建一个解析配置文件的脚本init.lua，其中用到了Lua CJSON模块：
local cjson = require "cjson";
local config ...
RESTful URL design for search
...cognizable from the text at first glance.
** Did you know that passing JSON object in URI is RESTful? **
Lists of options
/cars?color=black,blue,red;doors=3,5;type=sedan #most prefered by me
/cars?color:black:blue:red;doors:3:5;type:sedan
/cars?color(black,blue,red);doors(3,5);type(sedan)...
Can linux cat command be used for writing text to file?
...your text, encompass the whole thing in single quotes. This is useful for .json and the likes, e.g. echo '{"info1": "123456"}' > info.json
– bkd
Nov 22 '18 at 14:11
...
What's the best way of scraping data from a website? [closed]
...comes in very handy. The responses to these might be html or they might be json, in rare cases they will be xml or something else.
There are two approaches to this problem:
The low level approach:
You can figure out what ajax urls the site javascript is calling and what those responses look like ...
How to convert lazy sequence to non-lazy in Clojure
...vec (my-lazy-seq)) is not so nice in situations like the following: (vec (json/parse-string "{\"foo\":\"bar\"}")) ;; => [["foo" "bar"]] Since cheshire chooses to produce a lazy-seq from (json/parse-string)
– codeasone
Feb 7 '18 at 16:06
...
Get raw POST body in Python Flask regardless of Content-Type header
.... The data is cached and you can subsequently access request.data, request.json, request.form at will.
If you access request.data first, it will call get_data with an argument to parse form data first. If the request has a form content type (multipart/form-data, application/x-www-form-urlencoded, o...
The $.param( ) inverse function in JavaScript / jQuery
... The best solution so far - It behaves pretty good! But when I use JSON.stringify(geturlargs('fld[2][]=2&fld[][]=3&fld[3][]=4&fld[]=bb&fld[]=cc').fld) I get {"2":["2"],"3":["4"],"":"cc"} and not [null,null,[2],[3,4],"bb","cc"] what I would have hoped for (this is what PHP wou...