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服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...TIME_WAIT的记录，维护这些状态给Server带来负担。当然现代操作系统都会用快速的查找算法来管理这些 TIME_WAIT，所以对于新的 TCP连接请求，判断是否hit中一个TIME_WAIT不会太费时间，但是有这么多状态要维护总是不好。
HTTP协议1...
Are there any smart cases of runtime code modification?
...ardware Software Tradeoffs for Bitmap Graphics on the Blit (1984) or this posting (2006) by Chris Lattner on Apple's use of LLVM for runtime code specialization in their OpenGL stack.
In some cases software resorts to a technique known as trampoline which involves the dynamic creation of code on the...
Confused by python file mode “w+”
...tiple parameters. r, w, or a are exclusive, but b can be added to any of those, as can +, or U... It's a combinatorial explosion.
– rmunn
Oct 3 '14 at 6:41
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多媒体组件 · App Inventor 2 中文网
...本、iOS 11 或更高版本。要求AI伴侣v2.68及以上。
属性
操作
设置 文件选择器 所需的操作。有如下选项：
选择现有文件：打开现有文件
选择目录：打开现有目录
选择新文件：创建一个新文件进行保存
...
What does the '.' (dot or period) in a Go import statement do?
In the Go tutorial, and most of the Go code I've looked at, packages are imported like this:
3 Answers
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YYYY-MM-DD format date in shell script
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The preferred syntax in any POSIX-compliant shell in this millennium is date=$(date) instead of date=`date`. Also, don't use uppercase for your private variables; uppercase variable names are reserved for the system.
– tripleee
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快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...，成为智能化全自动交易；
以我实盘交易为例，我同时操作3个账户，用了2台电脑，因为一些原因，我需要在8点59分到9点之间，那1分钟时间里，发出多笔报单，原来，我用人工的方式，手忙脚乱，每一单，都有6个参数需要填...
Using a piano keyboard as a computer keyboard [closed]
...sound (no pun).
MIDI is a stream of "events" (or "messages"), two of the most fundamental being "note on" and "note off" which carry with them the note number (0 = C five octaves below middle C, through 127 = G five octaves above the G above middle C, in semi-tones). These events carry a "velocity"...
How do I create a new class in IntelliJ without using the mouse?
......).
You can also do it from the Navigation Bar, press Alt+Home, then choose package with arrow keys, then press Alt+Insert.
Another useful shortcut is View | Select In (Alt+F1), Project (1), then Alt+Insert to create a class near the existing one or use arrow keys to navigate through the package...
Correct way to pause Python program
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For windows only use:
import os
os.system("pause")
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