大约有 44,000 项符合查询结果（耗时：0.0847秒） [XML]
Do HTML WebSockets maintain an open connection for each client? Does this scale?
...end on how well the current AJAX/long-poll model is working. The effort to convert will be non-trivial so in many cases the cost just won't be worth the benefit.
Update:
Useful link: 600k concurrent websocket connections on AWS using Node.js
...
How to write header row with csv.DictWriter?
...g (i.e. do-nothing) dict out of your fieldnames so that csv.DictWriter can convert it back to a list and pass it to a csv.writer instance.
(2) The documentation mentions "the underlying writer instance" ... so just use it (example at the end).
dw.writer.writerow(dw.fieldnames)
(3) Avoid the csv...
Can “using” with more than one resource cause a resource leak?
...
@WeylandYutani: What are you asking?
– SLaks
Jan 14 '14 at 16:18
9
...
Do python projects need a MANIFEST.in, and what should be in it?
...
@Ame I agree, things moved on. Currently I am converting most my projects from pbr to poetry
– Jan Vlcinsky
Dec 28 '18 at 0:57
...
水果vs蔬菜智能分类器 - EdgeML图像识别项目 · App Inventor 2 中文网
...索如何使用 App Inventor 的 Personal Image Classifier (PIC) 扩展在 Android 智能手机上实现相同的目标。
核心特性
🧠 本地AI推理: 使用TensorFlow Lite在设备本地进行图像分类
📱 移动端优化: 专为Android设备优化的轻量...
What is declarative programming? [closed]
...e it into subprograms, but not so much on the domain model.
Often, we can convert from imperative to declarative by adding context. E.g. from "Turn left. (... wait for it ...) Turn Right." to "Bob will turn left at intersection of Foo and Bar at 11:01. Bob will turn right at the intersection of Ba...
NSObject +load and +initialize - What do they do?
I'm interested in understanding the circumstances leading a developer to override +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-)
...
Multiline bash commands in makefile
...ipts within makefiles:
Escape the script's use of $ by replacing with $$
Convert the script to work as a single line by inserting ; between commands
If you want to write the script on multiple lines, escape end-of-line with \
Optionally start with set -e to match make's provision to abort on sub-c...
How to concatenate two MP4 files using FFmpeg?
...eg. I need this to be an automatic process hence why I chose ffmpeg. I'm converting the two files into .ts files and then concatenating them and then trying to encode that concated .ts file. The files are h264 and aac encoded and I'm hoping to keep the quality the same or as close to original as ...
What is the difference between \r and \n?
... transmitted as-is. But in text mode, there's a run-time translation that converts a special character to whatever the host platform needs for a new line (and vice versa).
Great, so what's the special character?
Well, that's implementation dependent, too, but there's an implementation-independent...