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OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...出去
handler_.process = ObMySQLCallback::process;
handler_.get_packet_id = ObMySQLCallback::get_packet_id;
handler_.on_disconnect = ObMySQLCallback::on_disconnect;
// 登录逻辑，在libeasy发现listenfd上有读事件时，会将连接接下来，然后给MySQL客户端发送握手包，...
What is LDAP used for?
I know that LDAP is used to provide some information and to help facilitate authorization.
16 Answers
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Use cases for NoSQL [closed]
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truly well said spacemonkey, i am in the same position as seengee, clearly we are to think in a new way and should ask ourselves how do i structure my applications data into a document structure, removing ourselves from the RDBMS way of t...
Google Maps API v2: How to make markers clickable?
How to I make the markers in Android Google Maps API v2 become clickable so they will either bring up a menu with options or just start a new activity? I believe I made the markers in my app currently in a "newb" method. I didn't assign them a name or a method to be able to link it in with the rest ...
Making a div vertically scrollable using CSS
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You have it covered aside from using the wrong property. The scrollbar can be triggered with any property overflow, overflow-x, or overflow-y and each can be set to any of visible, hidden, scroll, auto, or inherit. You are currently looking at the...
How to use ConcurrentLinkedQueue?
...AdamJaskiewicz is using ConcurrentLinkedQueue for Producer Consumer a good idea, I am referring to this post stackoverflow.com/questions/1426754/…
– rd22
Mar 6 '17 at 17:54
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How to implement classic sorting algorithms in modern C++?
...the C++ Standard Library is in most implementations a complicated and hybrid amalgamation of more elementary sorting algorithms , such as selection sort, insertion sort, quick sort, merge sort, or heap sort.
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Do I need all three constructors for an Android custom view?
...ontext, AttributeSet attrs), otherwise you will get an Exception when Android tries to inflate your View.
If you add your View from xml and also specify the android:style attribute like :
<com.mypack.MyView
style="@styles/MyCustomStyle"
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/>
the 2nd constructor will al...
What are the best PHP input sanitizing functions?
...ons.
It's important to understand the difference between sanitizing and validating user data, escaping data for storage, and escaping data for presentation.
Sanitizing and Validating User Data
When users submit data, you need to make sure that they've provided something you expect.
Sanitization and ...
How to check whether dynamically attached event listener exists or not?
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I did something like that:
const element = document.getElementById('div');
if (element.getAttribute('listener') !== 'true') {
element.addEventListener('click', function (e) {
const elementClicked = e.target;
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