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How can you represent inheritance in a database?
...e just a table with only the common field and add a single column with the JSON string that contains all the subtype specific fields.
I have tested this design for manage inheritance and I am very happy for the flexibility that I can use in the relative application.
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How to display unique records from a has_many through relationship?
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thanks @fagiani and if your model has a json column and you use psql it gets more complicated yet and you have to do something like has_many :subscribed_locations, -> { unscope(:order).select("DISTINCT ON (locations.id) locations.*") },through: :people_publicati...
Safari 3rd party cookie iframe trick no longer working?
...ookie.indexOf("safari_cookie_fix") < 0) {
window.parent.postMessage(JSON.stringify({ event: "safariCookieFix", data: {} }));
}
Then in the parent window (domain-a) listen for the event.
if (typeof window.addEventListener !== "undefined") {
window.addEventListener("message", messageRece...
Determine project root from a running node.js application
...me of the last folder in appRoot with the npm_package_name in your package.json file, for example:
var path = require('path');
var globalRoot = __dirname; //(you may have to do some substring processing if the first script you run is not in the project root, since __dirname refers to the d...
Change / Add syntax highlighting for a language in Sublime 2/3
...ted the Monokai.tmTheme as per this SublimeText forum post in order to get JSON syntax highlighting to work.
– jmort253
Apr 12 '14 at 23:17
1
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淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...符数据编码，也能提升性能；还有数据输出时也推荐使用JSON而不是模板引擎（一般都是解释执行）输出页面。
同一商品大并发读问题
你会说这个问题很容易解决，无非放到Tair缓存里面就行，集中式Tair缓存为了保证命中率...
RESTful Authentication via Spring
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Regarding tokens carrying information, JSON Web Tokens (http://jwt.io) is a brilliant technology. The main concept is to embed information elements (claims) into the token, and then signing the whole token so that the validating end can verify that the claims are ...
Meaning of Choreographer messages in Logcat [duplicate]
...ds (images, text, etc...) with the data coming from the response of a REST/JSON web service (without paging capabilities) this views would act as rows, sub-section headers and section headers by adding all of them in the correct order to a LinearLayout (with vertical orientation inside a ScrollView)...
Do I need a content-type header for HTTP GET requests?
... you request.
Eg. we are currently messaging with a place that defaults to JSON, however, they have set their webservice up so that if you pass a content-type of xml they will then return xml rather than their JSON default. Which I think going forward is a great idea
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Why is extending native objects a bad practice?
...r function that accepts any input and stringifies it. Most browsers define JSON.stringify(), best would be to check if that exists, and if not define it yourself.
– Abhi Beckert
Dec 25 '12 at 22:57
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