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Provide an image for WhatsApp link sharing
How can we include an image in our website to display in WhatsApp when we share a link like this?
19 Answers
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重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...
...c++一票的！...冲动了，好像有点儿虚）
软件架构师装B神器，一般人我不告诉他
2、重构的一些理论
以下理论部分（粗体）摘自《重构》一书，有些枯燥，所以我也会做些直白的解读（非粗体）。
——什么是重构？重...
Logging in Scala
...guage philosophy, does not clutter the code, and is low-maintenance and unobtrusive. Here's a basic requirement list:
14 An...
How to iterate over associative arrays in Bash
Based on an associative array in a Bash script, I need to iterate over it to get the key and value.
4 Answers
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What is the difference between encrypting and signing in asymmetric encryption?
What is the difference between encrypting some data vs signing some data (using RSA)?
11 Answers
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Twitter Bootstrap 3 Sticky Footer
I have been using the twitter bootstrap framework for quite a while now and they recently updated to version 3!
25 Answers
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How to unzip a file using the command line? [closed]
Which commands can be used via the command line to unzip a file?
Preferably something built into Windows or open source/free tools.
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std::unique_lock or std::lock_guard?
...e is that you can lock and unlock a std::unique_lock. std::lock_guard will be locked only once on construction and unlocked on destruction.
So for use case B you definitely need a std::unique_lock for the condition variable. In case A it depends whether you need to relock the guard.
std::unique_l...
What does auto&& tell us?
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By using auto&& var = <initializer> you are saying: I will accept any initializer regardless of whether it is an lvalue or rvalue expression and I will preserve its constness. This is typically used for forwarding (usu...
Bootstrap dropdown sub menu missing
Bootstrap 3 is still at RC, but I was just trying to implement it. I couldn't figure out how to put a sub menu class. Even there is no class in css and even the new docs don't say anything about it
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