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BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
文章源自：https://www.gandalf.site/2018/11/ble_26.html
商业级的Ellisys BEX400侦听工具最为符合对BLE流量捕获及分析的要求，然而售价过于昂贵；
其次，作为开源硬件且配有混杂模式追踪的“超牙”设备——Ubertooth One拥有二次开发和嗅...
Why is char[] preferred over String for passwords?
...
Strings are immutable. That means once you've created the String, if another process can dump memory, there's no way (aside from reflection) you can get rid of the data before garbage collection kicks in.
With an array, you can explicitly wipe the data after you're done with it. You can ov...
Node.js + Nginx - What now?
I've set up Node.js and Nginx on my server. Now I want to use it, but, before I start there are 2 questions:
12 Answers
...
How do I measure time elapsed in Java? [duplicate]
... to use in order to accomplish this in Java?
The short answer is a long. Now, more on how to measure...
System.currentTimeMillis()
The "traditional" way to do this is indeed to use System.currentTimeMillis():
long startTime = System.currentTimeMillis();
// ... do something ...
long estimatedTim...
What is a Y-combinator? [closed]
... concept from the “functional” side of things. Most programmers don't know much at all about combinators, if they've even heard about them.
...
iPhone App Minus App Store?
...r AccelerometerGraph.app root@jasoniphone:/Applications/
Let SpringBoard know the new application has been installed:
ssh mobile@jasoniphone.local uicache
This only has to be done when you add or remove applications. Updated applications just need to be relaunched.
To make life easier for y...
Python list iterator behavior and next(iterator)
...tions, each iteration resulting in 2 lines being written to the terminal.
If you assign the output of next() things work as expected:
>>> a = iter(list(range(10)))
>>> for i in a:
... print(i)
... _ = next(a)
...
0
2
4
6
8
or print extra information to differentiate the ...
What is the difference between synchronous and asynchronous programming (in node.js)
...
The difference is that in the first example, the program will block in the first line. The next line (console.log) will have to wait.
In the second example, the console.log will be executed WHILE the query is being processed. Tha...
What is the purpose of a self executing function in javascript?
... in javascript is to wrap it in a function:
function main() {
// We are now in our own sound-proofed room and the
// character-converter libarary's name() function can exist at the
// same time as ours.
var userName = "Sean";
console.log(name());
function name() {
return userN...
OAuth: how to test with local URLs?
...
Update October 2016: Easiest now: use lvh.me which always points to 127.0.0.1.
Previous Answer:
Since the callback request is issued by the browser, as a HTTP redirect response, you can set up your .hosts file or equivalent to point a domain that is not ...