大约有 48,000 项符合查询结果（耗时：0.0708秒） [XML]
How Pony (ORM) does its tricks?
...nerator into SQL query in three steps:
Decompiling of generator bytecode and rebuilding generator AST
(abstract syntax tree)
Translation of Python AST into "abstract SQL" -- universal
list-based representation of a SQL query
Converting abstract SQL representation into specific
database-dependent S...
lose vim colorscheme in tmux mode
I'm running iterm2 and when I'm in tmux mode the colorscheme I have set in vim does not show up. Only the color scheme I've set in iterm. If I run vim from shell the colorscheme appears correct - its only when I'm in tmux mode.
...
demystify Flask app.secret_key
... a cryptographic hashing algorithm; only if you have the exact same secret and the original data can you recreate this value, letting Flask detect if anything has been altered without permission. Since the secret is never included with data Flask sends to the client, a client cannot tamper with sess...
Using do block vs braces {}
... is a bit old question but I would like to try explain a bit more about {} and do .. end
like it is said before
bracket syntax has higher precedence order than do..end
but how this one makes difference:
method1 method2 do
puts "hi"
end
in this case, method1 will be called with the bloc...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular implementation?
...
Biggest advantage to using ASP.Net MVC vs web forms
...f stateless nature of the web.
RESTful urls that enables SEO.
No ViewState and PostBack events
The main advantage of ASP.net Web Form are:
It provides RAD development
Easy development model for developers those coming from winform development.
...
Can you turn off Peek Definition in Visual Studio 2013 and up?
In Visual Studio 2013 and up, there is the Peek Definition feature when you Ctrl + Click. At first I thought this was cool, but I have found that the majority of the time, I need to click the Promote to Document button, since I make lots of changes to the files I Ctrl + Click on. But after Googl...
How do I access command line arguments in Python?
...ython to create my project settings setup, but I need help getting the command line arguments.
8 Answers
...
Why are functions and methods in PHP case-insensitive?
Functions and methods in PHP are case-insensitive as illustrated in the following example.
2 Answers
...
How can I convert a DateTime to the number of seconds since 1970?
...
That's basically it. These are the methods I use to convert to and from Unix epoch time:
public static DateTime ConvertFromUnixTimestamp(double timestamp)
{
DateTime origin = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
return origin.AddSeconds(timestamp);
}
public s...