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How to validate IP address in Python? [duplicate]
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Don't parse it. Just ask.
import socket
try:
socket.inet_aton(addr)
# legal
except socket.error:
# Not legal
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follow
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Collect successive pairs from a stream
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Now you can limit your stream to the length you want
pairStream.limit(1_000_000).forEach(i -> System.out.println(i));
P.S. I hope there is better solution, something like clojure (partition 2 1 stream)
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In Java, what is the best way to determine the size of an object?
...rhead for length of array and memory alignment.
– dma_k
Mar 8 '10 at 11:28
9
I tried this and got...
Extract subset of key-value pairs from Python dictionary object?
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A bit shorter, at least:
wanted_keys = ['l', 'm', 'n'] # The keys you want
dict((k, bigdict[k]) for k in wanted_keys if k in bigdict)
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Eclipse, regular expression search and replace
...\(.*\):)
replace = $1$2
...replaces ...
from checks import checklist(_list):
...with...
from checks import checklist
Blocks in regex are delineated by parenthesis (which are not preceded by a "\")
(^.*import ) finds "from checks import " and loads it to $1 (eclipse starts counting at 1)...
Windows 7 SDK installation failure
...\AppData\Local\Temp\ or %temp%. The log file is most likely called SDKSetup_7.xxxxx.log.
Solution: Uninstall any existing Visual C++ 2010 redistributable.
I just had this problem, and I looked at the solution at Ctrl+F5, Fix Problem Installing Windows SDK for Windows 7, but it didn't work.
I goo...
云数据及Firebase组件简介 · App Inventor 2 中文网
...社区 反馈 我要反馈 var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; ...
How do I load an HTML page in a using JavaScript?
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I finally found the answer to my problem. The solution is
function load_home() {
document.getElementById("content").innerHTML='<object type="text/html" data="home.html" ></object>';
}
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How do I pass the this context to a function?
...for a function.
var myfunc = function(){
alert(this.name);
};
var obj_a = {
name: "FOO"
};
var obj_b = {
name: "BAR!!"
};
Now you can call:
myfunc.call(obj_a);
Which would alert FOO. The other way around, passing obj_b would alert BAR!!. The difference between .call() and .appl...
App Inventor 2 中文网 · 项目指南
... .t_desc { color: #5e91a1; height: 60px; } App Inventor 2 入门教程 超实用入门App教程 ...