quanzhanying fullstack-course issues

quanzhanying / fullstack-course

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collection partial的效能问题

#96 3014zhangshuo opened 7 years ago
0
gem 'XXX', group: :development和直接放在development下面有区别吗？

#95 dyz2102 opened 7 years ago
0
把某个已经放进购物车的商品在后台删除后，购物车页面会报错"item_id nil", 何解？

#94 yzha3917 opened 7 years ago
0
购物车总额的代码为什么sum需要先define为0？

#93 dyz2102 opened 7 years ago
1
在navbar中显示物品数时为什么加()?

#92 dyz2102 closed 7 years ago
0
关于图片栏在资料库中为nil值判断问题

#91 liangchaob opened 7 years ago
0
config/database.yml 这个有什么用

#90 qinfeng8848 opened 7 years ago
1
.collect(&:id)的语法问题

#89 liangchaob opened 7 years ago
0
simple_format 和 simple_form_for

#88 3014zhangshuo opened 7 years ago
0
controller里面的private可以写什么样的def？

#87 3014zhangshuo opened 7 years ago
1
-> 跟=>有什么区别？

#86 3014zhangshuo opened 7 years ago
2
params的一个问题

#85 3014zhangshuo opened 7 years ago
1
before action 和before filter 有什么区别？

#84 3014zhangshuo opened 7 years ago
1
默认的 method

#83 cndaniel closed 7 years ago
2
:: 的含义

#82 cndaniel closed 7 years ago
1
在 Helper，Models 和 Controller 里都用 def，它们的区别是什么？

#81 yzha3917 opened 7 years ago
1
看不懂中级作业里面groups_controller和posts_controller下面CRUD中”create”的代码，麻烦请解释一下

#80 dyz2102 opened 7 years ago
1
用本项目的例子解释class method 和 instance method 的区别

#79 cndaniel closed 7 years ago
1
中级作业中，这两段都有 “has_many… through:”的代码，但为什么syntax完全不一样？

#78 dyz2102 opened 7 years ago
1
为什么在groups_controller里可以在redirect_to xxx_path之后直接写", notice: “XXX””就可以出现，但在current_user.join!(@group)之后直接写就不行？

#77 dyz2102 opened 7 years ago
1
为什么sqlite3在上传到Heroku的时候放在“development” group里面就不会被拒绝？

#76 dyz2102 opened 7 years ago
1
如何理解params 中 require 和 permit 两个方法的区别？

#75 xbthh opened 7 years ago
2
关于rails g scaffold 与rails g model 的区别

#74 sunyanming opened 7 years ago
3
关于CRUD中，new的疑问。

#73 xbthh opened 7 years ago
2
HTML语言可否用在.rb文件中，HTML在ERB文件中的使用规则和限制有哪些？

#72 mapuying opened 7 years ago
3
qinfeng

#71 qinfeng8848 closed 7 years ago
0
service 的问题

#70 chenyunli6 closed 7 years ago
1
Cart.create 我们一般CRUD create action 中为什么不用.create 而用.new?

#69 DJ-MinorG closed 8 years ago
1
老师，请解答一下，下面这个说法好像和我们用的正好违背，我们用的 current_cart.products.include?(@product) 正是在检查@product的唯一性啊。

#68 chenyunli6 closed 7 years ago
1
cart 和 @cart 一样吗？

#67 DJ-MinorG closed 8 years ago
2
Cart.find_by(id: session[:cart_id])

#66 DJ-MinorG closed 8 years ago
1
有哪些方法能让我跟世界上最好的程序员social？

#65 liusining closed 8 years ago
1
请问，model class 和 model instance 的methods是怎么区分的呢？它们的区别是什么呢？

#64 panxiubin closed 7 years ago
1
老师，我对概念 return（回传）的意思很不理解。还有一个 method 如何判断它是否带有 return 返回值的呢？以及返回值在具体中的应用是怎样的呢？

#63 panxiubin closed 7 years ago
1
routes中put和patch的区别？

#62 DJ-MinorG closed 7 years ago
2
如何为自己的网站加上 logo 和 favorite icon

#61 liumiao2023 closed 7 years ago
0
如何成长为CTO

#60 liusining closed 7 years ago
0
install simpleform 的时候为什么要用“－－bootstrap”，－－是什么意思

#59 liusining closed 7 years ago
0
git push ERROR: Permission to xingrowth/jdstore.git denied to mayalin.

#58 ghost closed 8 years ago
1
概念性的问题，有很多名词和概念需要老师耐心的解释。谢谢老师！

#57 chenyunli6 closed 7 years ago
9
controller中的@job和view里的@job是一个意思么？

#56 linzhewei closed 7 years ago
3
(:is_hidden=>false) 与 (is_hidden: false) 一样吗？

#55 DJ-MinorG closed 8 years ago
2
post form_for提交的问题

#54 chenyunli6 closed 7 years ago
2
关于任务地图和用户故事

#53 shaojunda closed 8 years ago
1
如何使用 API 文档

#52 shaojunda closed 8 years ago
1
老师讲一下各种注解吧。

#51 chenyunli6 closed 7 years ago
2
关于 action 中的 render

#50 shaojunda closed 7 years ago
0
what is "<<"?

#49 DJ-MinorG closed 8 years ago
2
@group.user 需要赋值吗？

#48 DJ-MinorG closed 8 years ago
6
添加association后的3个问题

#47 DJ-MinorG closed 8 years ago
3