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What is the parameter “next” used for in Express?
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So next() performs like a goto with a hard-wired label? That is, in your third snippet, once you call next(), res.send("Hello World !!!!"); would never be executed? I noticed that @Ashe always had a return; after next calls that had code in the same execution tree... Guess...
Rails: fields_for with index?
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<%= f.fields_for :blog_posts, {:index => 0} do |g| %>
<%= g.label :gallery_sets_id, "Position #{g.options[:index]}" %>
<%= g.select :gallery_sets_id, @posts.collect { |p| [p.title, p.id] } %>
<%# g.options[:index] += 1 %>
<% end %>
or
<%= f.fields_for ...
Set a default font for whole iOS app?
...have a custom font I want to use for everything displaying text in my app, labels, text views etc.
17 Answers
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Terminating a script in PowerShell
...is also an interesting feature of Break where you can prefix a loop with a label and then you can break out of that labeled loop even if the Break command is called within several nested groups within that labeled loop.
While ($true) {
# Code here will run
:myLabel While ($true) {
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小米360同日竞技：智能手机血战再起 - 资讯 - 清泛网 - 专注C/C++及内核技术
...te顶配版售价为3299元。小米科技董事长雷军当天确认价格是2999元。
雷军称这是“一个艰难的决定”。行业竞争分析认为，小米Note的“配件+生产成本”超过2800元。雷军说：“这只是对手给出的分析(记者注：实际成本可能更高)...
How can I write a heredoc to a file in Bash script?
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@becko: just to illustrate that the label is just a label. Note that I used a different label in each example.
– TomRoche
Sep 1 '18 at 22:01
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...e app can use. It could be visible on the phone screen such as a button or label, or it could be non-visible, such as a camera or a sensor. Each component has a set of blocks that the programmer can use to control its behavior.
Figure 1. Blocks for an App Inventor app that automatically reads the...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...e app can use. It could be visible on the phone screen such as a button or label, or it could be non-visible, such as a camera or a sensor. Each component has a set of blocks that the programmer can use to control its behavior.
Figure 1. Blocks for an App Inventor app that automatically reads the...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...e app can use. It could be visible on the phone screen such as a button or label, or it could be non-visible, such as a camera or a sensor. Each component has a set of blocks that the programmer can use to control its behavior.
Figure 1. Blocks for an App Inventor app that automatically reads the...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...e app can use. It could be visible on the phone screen such as a button or label, or it could be non-visible, such as a camera or a sensor. Each component has a set of blocks that the programmer can use to control its behavior.
Figure 1. Blocks for an App Inventor app that automatically reads the...