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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
...icitly declared identifier that expands to a character array variable containing the function name when it is used inside of a function. It was added to C in C99. From C99 §6.4.2.2/1:
The identifier __func__ is implicitly declared by the translator as if, immediately following the opening brace ...
Supabase扩展能实现实时推送吗？源码级Realtime能力分析 - App应用开发 - ...
...eat / presence_diff 等）
- payload：消息内容
- ref：消息引用 ID
核心交互流程
1. join：客户端加入频道（phx_join 事件）
2. heartbeat：每 30 秒发送心跳（phx_heartbeat 事件）
3. push：服务器推送数据（对应 Postgres Changes / Broadcast / Presence...
Method Resolution Order (MRO) in new-style classes?
In the book Python in a Nutshell (2nd Edition) there is an example which uses
old style classes to demonstrate how methods are resolved in classic resolution order and
how is it different with the new order.
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Reading output of a command into an array in Bash
I need to read the output of a command in my script into an array. The command is, for example:
3 Answers
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I want to get the type of a variable at runtime
...
So, strictly speaking, the "type of a variable" is always present, and can be passed around as a type parameter. For example:
val x = 5
def f[T](v: T) = v
f(x) // T is Int, the type of x
But depending on what you want to do, that won't help...
git diff between cloned and original remote repository
...ur local copy of a remote:
git fetch foobar
Fetch won't change your working copy.
3) Compare any branch from your local repository to any remote you've added:
git diff master foobar/master
share
|
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How can you use an object's property in a double-quoted string?
I have the following code:
4 Answers
4
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Is gcc std::unordered_map implementation slow? If so - why?
We are developing a highly performance critical software in C++. There we need a concurrent hash map and implemented one. So we wrote a benchmark to figure out, how much slower our concurrent hash map is compared with std::unordered_map .
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How does RegexOptions.Compiled work?
What is going on behind the scenes when you mark a regular expression as one to be compiled? How does this compare/is different from a cached regular expression?
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Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
Can one develop an entire application using JavaFX and run it on iOS, Android or Windows Phone 8, without writing platform-specific code?
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