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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...
How to extract year and month from date in PostgreSQL without using to_char() function?
...6 20:38:40'),
date_part('year', timestamp '2001-02-16 20:38:40')
http://www.postgresql.org/docs/8.0/interactive/functions-datetime.html
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follo...
Remove blank lines with grep
... how/why this works, I recommend reading up on regular expressions. http://www.regular-expressions.info/tutorial.html
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Check substring exists in a string in C
...
Use strstr for this.
http://www.cplusplus.com/reference/clibrary/cstring/strstr/
So, you'd write it like..
char *sent = "this is my sample example";
char *word = "sample";
char *pch = strstr(sent, word);
if(pch)
{
...
}
...
Does overflow:hidden applied to work on iPhone Safari?
...;
overflow: hidden;
width: 100%;
position: fixed;
}
Source: http://www.teamtownend.com/2013/07/ios-prevent-scrolling-on-body/
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Check if a key exists inside a json object
...eloper.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/in
http://www.w3schools.com/jsref/jsref_operators.asp
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When should I use Arrow functions in ECMAScript 6?
...is.
(Stats via http://trends.builtwith.com/javascript/jQuery and https://www.npmjs.com.)
You are likely to require dynamic this bindings already.
A lexical this is sometimes expected, but sometimes not; just as a dynamic this is sometimes expected, but sometimes not. Thankfully, there is a bette...
“:” (colon) in C struct - what does it mean? [duplicate]
... values - in my specific situation pointers to functions.
Source: http://www.tldp.org/LDP/lkmpg/2.4/html/c577.htm
Below is a sample and an excerpt to explain.
"There is a gcc extension that makes assigning to this structure more convenient. You'll see it in modern drivers, and may catch you by s...
Remove spaces from std::string in C++
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Can you use Boost String Algo? http://www.boost.org/doc/libs/1_35_0/doc/html/string_algo/usage.html#id1290573
erase_all(str, " ");
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How to extract extension from filename string in Javascript? [duplicate]
...access'
'../images/something.cool.jpg' => 'jpg'
'http://www.w3schools.com/jsref/jsref_pop.asp' => 'asp'
'http://stackoverflow.com/questions/680929' => 'com/questions/680929'
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