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How to make join queries using Sequelize on Node.js
I am using sequelize ORM; everything is great and clean, but I had a problem when I use it with join queries.
I have two models: users and posts.
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MySQL foreign key constraints, cascade delete
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Can JSON start with “[”?
From what I can read on json.org , all JSON strings should start with { (curly brace), and [ characters (square brackets) represent an array element in JSON.
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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
If you're going to build, say, a directory structure where a directory is named for a commit in a Git repository, and you want it to be short enough to make your eyes not bleed, but long enough that the chance of it colliding would be negligible, how much of the SHA substring is generally required?
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Why does Clojure have “keywords” in addition to “symbols”?
I have a passing knowledge of other Lisps (particularly Scheme) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
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Is cout synchronized/thread-safe?
In general I assume that streams are not synchronized, it is up to the user to do appropriate locking. However, do things like cout get special treatment in the standard library?
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Why is a 3-way merge advantageous over a 2-way merge?
...way merge, and often times doesn't need user intervention. Why is this the case?
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What should I do if the current ASP.NET session is null?
In my web application, I do something like this to read the session variables:
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MFC 中CImageList的用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC 中CImageList的用法图像列表控件（CImageList）是相同大小图像的一个集合，每个集合中均以0为图像的索引序号基数，（可以把这些图标看成是以数组方式存储的）...图像列表控件（CImageList）是相同大小图像的一个集合，每个集...