大约有 7,000 项符合查询结果(耗时:0.0213秒) [XML]

https://stackoverflow.com/ques... 

What is the parameter “next” used for in Express?

... 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...
https://www.tsingfun.com/ilife/tech/1466.html 

VR硬件行业洗牌进行时 70%创业公司倒闭转行做内容 - 资讯 - 清泛网 - 专注C...

...定位列其中。哪怕在去年年初,估计大部分人还不知道VR虚拟现实的英文缩写,但时至今日,几乎人必谈VR,那么,这个虚拟现实,真的能够给从业者带来现实的财富吗?还仅仅虚拟的财富?从去年二季度至今,如果要评...
https://www.tsingfun.com/it/cpp/465.html 

Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术

...行环境有大致的认识。 1.1. Linux进程及进程同步 进程操作系统中执行特定任务的一个实体,在保护模式下每个进程拥有其特定的指令空间及内存空间,Linux环境下每一个程序可以对应一个或多个进程,可以由一个主进程管理...
https://stackoverflow.com/ques... 

Rails: fields_for with index?

... <%= 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 ...
https://stackoverflow.com/ques... 

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 ...
https://stackoverflow.com/ques... 

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) { ...
https://www.tsingfun.com/it/tech/2691.html 

BLE协议—广播和扫描 - 更多技术 - 清泛网 - 专注C/C++及内核技术

BLE协议—广播和扫描广播和扫描在无线通信中非常重要的一个技术点。在BLE中,扫描和广播通信的基础,用户可以直接用扫描和广播进行数据的传输(数据量不大,功耗要求较高的情况下),也可以在广播和扫描的基础上进...
https://www.tsingfun.com/it/os... 

内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...

...:ptmalloc、tcmalloc和jemallocmemory-optimize需求系统的物理内存有限的,而对内存的需求变化的, 程序的动态性越强,内存管理就越重要,选择合适的内存管理算法会带来明显的性能提升。比如nginx, 它在每个连接accept后 需求 ...
https://www.fun123.cn/referenc... 

App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网

...ntor.ble-20230728.aix 低功耗蓝牙,也称为蓝牙LE 或简称 BLE,一种类似于经典蓝牙的新通信协议,不同之处在于它旨在消耗更少的功耗和成本,同时保持同等的功能。 因此,低功耗蓝牙与耗电资源有限的物联网设备进行通信的...
https://stackoverflow.com/ques... 

How can I write a heredoc to a file in Bash script?

... @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 ...