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How can I create Min stl priority_queue?
The default stl priority queue is a Max one (Top function returns the largest element).
8 Answers
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Copying PostgreSQL database to another server
...rom local to remote and the second one is from remote to local. More -> https://www.postgresql.org/docs/9.6/app-pgdump.html
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Get Visual Studio to run a T4 Template on every build
How do I get a T4 template to generate its output on every build? As it is now, it only regenerates it when I make a change to the template.
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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
Does C++ support ' finally ' blocks?
16 Answers
16
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Google Chrome display JSON AJAX response as tree and not as a plain text
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To see a tree view in recent versions of Chrome:
Navigate to Developer Tools > Network > the given response > Preview
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How to strike through obliquely with css
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There is a hacky way to do this, using the :before pseudo element. You give the :before a border, then rotate it with a CSS transform. Doing it this way adds no extra elements to the DOM, and adding/removing the strikethrough is a simple as adding/removing the class.
Here's ...
C++, variable declaration in 'if' expression
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As of C++17 what you were trying to do is finally possible:
if (int a = Func1(), b = Func2(); a && b)
{
// Do stuff with a and b.
}
Note the use of ; of instead of , to separate the declaration and the actual condition.
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LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...实现。下面举两个例子。
例1.1 如何在LINGO中求解如下的LP问题：
在模型窗口中输入如下代码：
min=2*x1+3*x2;
x1+x2>=350;
x1>=100;
2*x1+x2<=600;
然后点击工具条上的按钮 即可。
例1.2 使用LINGO软件计算6个发点8个收点的最小费用运...
How do I do multiple CASE WHEN conditions using SQL Server 2008?
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There are two formats of case expression. You can do CASE with many WHEN as;
CASE WHEN Col1 = 1 OR Col3 = 1 THEN 1
WHEN Col1 = 2 THEN 2
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ELSE 0 END as Qty
Or a Simple CASE expression
CASE Col1 WHEN 1 THEN 11 WHEN 2 THEN 21 ELSE 1...
simple HTTP server in Java using only Java SE API
Is there a way to create a very basic HTTP server (supporting only GET/POST) in Java using just the Java SE API, without writing code to manually parse HTTP requests and manually format HTTP responses? The Java SE API nicely encapsulates the HTTP client functionality in HttpURLConnection, but is the...