大约有 15,208 项符合查询结果（耗时：0.0254秒） [XML]
What is the difference between .py and .pyc files? [duplicate]
...rg/tutorial/modules.html) : "A program doesn’t run any faster when it is read from a .pyc or .pyo file than when it is read from a .py file; the only thing that’s faster about .pyc or .pyo files is the speed with which they are loaded."
– mouad
Oct 12 '10 a...
Uncaught TypeError: Cannot read property 'msie' of undefined [duplicate]
This error message is arising from the following code:
1 Answer
1
...
Avoiding recursion when reading/writing a port synchronously?
...1 can set some global lock state i.e. with a variable (be sure that it's thread safe). locked = true. Then Communication2 can wait until it's unlocked.
loop do
sleep 10ms
break if not locked
end
locked = true
handle_communication()
...
HTTPKeepAlive，开启还是关闭 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...96
server accepts handled requests
66542336512 66542336512 67713042963
Reading: 1945 Writing: 82 Waiting: 93869
其中，各项结果的含义如下：
Active connections: number of all open connections
Server accepts handled requests: nginx accepted 66542336512 connections, handled 6654233...
串口Read不到数据的问题 - 用户反馈 - 清泛IT社区，为创新赋能！
用户发送的是 8n1 的格式，但是ai2的串口貌似不支持这种格式。写串口正常，读串口为空，len为0。
目前经过测试验证，应该是 \n 作为结束符的。发送时，也是。
ai2使用 physicaloid 库完成的串口功能。
Split delimited strings in a column and insert as new rows [duplicate]
...
Here is another way of doing it..
df <- read.table(textConnection("1|a,b,c\n2|a,c\n3|b,d\n4|e,f"), header = F, sep = "|", stringsAsFactors = F)
df
## V1 V2
## 1 1 a,b,c
## 2 2 a,c
## 3 3 b,d
## 4 4 e,f
s <- strsplit(df$V2, split = ",")
data.fram...
Getting started with F# [closed]
...uca Bolognese is still one of the best presentations on the subject). Then read the following two must-read books:
Programming F#: A comprehensive guide for writing simple code to solve complex problems by Chris Smith
Expert F# 2.0 (Expert's Voice in F#) by Don Syme, Adam Granicz, and Antonio Ci...
nodejs how to read keystrokes from stdin
...
In node >= v6.1.0:
const readline = require('readline');
readline.emitKeypressEvents(process.stdin);
process.stdin.setRawMode(true);
process.stdin.on('keypress', (str, key) => {
console.log(str)
console.log(key)
})
See https://github.com/n...
Capture characters from standard input without waiting for enter to be pressed
... comes up so infrequently for me. But in C or C++, what is the best way to read a character from standard input without waiting for a newline (press enter).
...
Proper way to implement IXmlSerializable?
...r implementing it? I've heard that GetSchema() should return null and ReadXml should move to the next element before returning. Is this true? And what about WriteXml - should it write a root element for the object or is it assumed that the root is already written? How should child objects be...