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BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...广播方式的报文有4种，分别为可连接的非定向广播（ADV_IND）、可连接的定向广播（ADV_DIRECT_IND）、可扫描非定向广播（ADV_SCAN_IND）、不可连接的非定向广播（ADV_NONCONN_IND）
4种广播的使用场景各不相同
可连接的非定向广播（ADV...
How to get these two divs side-by-side?
...
#parent_div_1, #parent_div_2, #parent_div_3 {
width: 100px;
height: 100px;
border: 1px solid red;
margin-right: 10px;
float: left;
}
.child_div_1 {
float: left;
margin-right: 5px;
}
Check working example at http://js...
Twitter API returns error 215, Bad Authentication Data
...th https://dev.twitter.com and create application.
<?php
$token = 'YOUR_TOKEN';
$token_secret = 'YOUR_TOKEN_SECRET';
$consumer_key = 'CONSUMER_KEY';
$consumer_secret = 'CONSUMER_SECRET';
$host = 'api.twitter.com';
$method = 'GET';
$path = '/1.1/statuses/user_timeline.json'; // api call path
$q...
How to prevent XSS with HTML/PHP?
...e this function is something like this:
echo htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
Google Code University also has these very educational videos on Web Security:
How To Break Web Software - A look at security vulnerabilities in
web software
What Every Engineer Needs to Know About Se...
What is the maximum recursion depth in Python, and how to increase it?
...mple context manager like this:
import sys
class recursionlimit:
def __init__(self, limit):
self.limit = limit
self.old_limit = sys.getrecursionlimit()
def __enter__(self):
sys.setrecursionlimit(self.limit)
def __exit__(self, type, value, tb):
sys.setr...
error: ‘uint16_t’ does not name a type - C/C++ - 清泛网 - 专注C/C++及内核技术
error: ‘uint16_t’ does not name a type#include <stdint.h> 解决。 ** * @file stdint.h * Copyright 2012, 2013 MinGW.org project * * Permission is hereby ...#include <stdint.h> 解决。
/**
* @file stdint.h
* Copyright 2012, 2013 MinGW.org project
*
* Permission is hereby granted, ...
phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...前面加一句把类别缓存加载进来：
<?php $TYPE = getcache('type_content','commons');?>
然后在循环里写：
<a href="index.php?m=content&c=type&catid={$catid}&typeid={$r[typeid]}">{$TYPE[$r[typeid]][name]}</a>
这样就可以调用出来类别了，不过链接暂时无效，因...
What's the scope of a variable initialized in an if statement?
...ked only at runtime -- that is, when you get to the print x statement. If __name__ didn't equal "__main__" then you would get an exception: NameError: name 'x' is not defined.
share
|
improve this ...
How to call a stored procedure from Java and JPA
...StoredProcedureQuery storedProcedure = em.createStoredProcedureQuery("sales_tax");
// set parameters
storedProcedure.registerStoredProcedureParameter("subtotal", Double.class, ParameterMode.IN);
storedProcedure.registerStoredProcedureParameter("tax", Double.class, ParameterMode.OUT);
storedProcedure...
Make Bootstrap Popover Appear/Disappear on Hover instead of Click
... placement: 'auto'
}).on("mouseenter",function () {
var _this = this; // thumbcontainer
console.log('thumbcontainer mouseenter')
// clear the counter
clearTimeout(counter);
// Close all other Popovers
$('.thumbcontainer').not(_this).popover...