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Rails create or update magic?
I have a class called CachedObject that stores generic serialised objects indexed by key. I want this class to implement a create_or_update method. If an object is found it will update it, otherwise it will create a new one.
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Can I change a private readonly field in C# using reflection?
...mplementation today does not mean that you can on every implementation for all time. I am not aware of any place where we document that readonly fields must be mutable via reflection. As far as I know, a conforming implementation of the CLI is perfectly free to implement readonly fields such that th...
File path to resource in our war/WEB-INF folder?
...le is expanded (a set of files instead of one .war file), you can use this API:
ServletContext context = getContext();
String fullPath = context.getRealPath("/WEB-INF/test/foo.txt");
http://tomcat.apache.org/tomcat-5.5-doc/servletapi/javax/servlet/ServletContext.html#getRealPath(java.lang.String)...
Cannot set content-type to 'application/json' in jQuery.ajax
...S header is used to find out if the request from the originating domain is allowed. Using fiddler, I added the following to the response headers from my server.
Access-Control-Allow-Origin: *
Access-Control-Allow-Headers: Content-Type
Access-Control-Allow-Methods: POST, GET, OPTIONS
Once the b...
Memcache Vs. Memcached [duplicate]
...
(PartlyStolen from ServerFault)
I think that both are functionally the same, but they simply have different authors, and the one is simply named more appropriately than the other.
Here is a quick backgrounder in naming conventions (for those unfamiliar), which explains the frustratio...
curl_exec() always returns false
...I was following a PDF manual to develop some module to communicate with an API and while copying the link directly from the manual, for some odd reason, the hyphen from the copied link was in a different encoding and hence the curl_exec() was always returning false because it was unable to communica...
基于内网外隔离的微信推送解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...TOP如下：内网用户和tomcat1&tomcat2 服务器有访问微信企业API接口服务器的需求，但是该网络环境要求比较严格，...先来看看需求
我们假设原始TOP如下：
内网用户和tomcat1&tomcat2 服务器有访问微信企业API接口服务器的需求，...
关于web客户端 POST API请求问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
一直提示参数不正确，提交不了数据，有没类似的教程你好，请提供一下截图和你的aia项目文件便于定位问题，谢谢！
App Inventor 2 TaifunBattery 拓展：电池管理器，获取设备电量 · App Inventor 2 中文网
...电池容量占总容量的整数百分比（无小数部分）。
需要 API 级别 21、Android 5、Lollipop。
以微安为单位返回平均电池电流（整数）。正值表示从充电源进入电池的净电流，负值表示从电池放电的净电流。计算平均值的时间...
Error handling in getJSON calls
How can you handle errors in a getJSON call? Im trying to reference a cross-domain script service using jsonp, how do you register an error method?
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