郁闷的是后知后觉的我写完这个文章才发现这库一大堆漏洞……

同理，flutter reactNative 也是一样的

devcontainer.json

```yaml
// For format details, see https://aka.ms/devcontainer.json. For config options, see the
// README at: https://github.com/devcontainers/templates/tree/main/src/ubuntu
{
	"name": "Fei-Dev",
	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
	"dockerComposeFile": "../docker-dev-build/docker-compose.yml",
	"service": "devcontainer",
	"workspaceFolder": "/workspace",
	"features": {
		"ghcr.io/devcontainers/features/java:1": {},
		"ghcr.io/nordcominc/devcontainer-features/android-sdk:1": {}
	},
	"customizations": {
		"vscode": {
			"extensions": [
				"DavidAnson.vscode-markdownlint",
				"isudox.vscode-jetbrains-keybindings",
				"vscjava.vscode-gradle",
				"totalcross.android-xml-editor",
				"ms-azuretools.vscode-docker",
				"adelphes.android-dev-ext",
				"fwcd.kotlin"
			]
		}
	},
	"shutdownAction": "stopCompose",

	// Use 'forwardPorts' to make a list of ports inside the container available locally.
	// "forwardPorts": [],
	// Use 'postCreateCommand' to run commands after the container is created.
	"postCreateCommand": "adb start-server && sh gradlew build",
	// "postAttachCommand": "adb connect emulator:5555"
	// Configure tool-specific properties.
	// "customizations": {},
	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
	//fixme 尝试使用vscode 用户可以访问volume
	"remoteUser": "root"
}
```

docker-compose.yml

```
services:
  devcontainer:
    image: mcr.microsoft.com/devcontainers/base:ubuntu
    command: /bin/sh -c "while sleep 1000; do :; done"
    ports: 
      - "8080-8090"
    volumes:
      - ..:/workspace:cached
      - gradle-cache:/root/.gradle
      - top-cache:/root/.cache

  emulator:
    image: budtmo/docker-android:emulator_11.0
    ports:
      - "6080"
    environment:
      - EMULATOR_DEVICE=Samsung Galaxy S10
      - WEB_VNC=true
    devices:
      - /dev/kvm

volumes:
  gradle-cache:
  top-cache:
```



分享在docker 里面开发Android 项目

有谁会写毕设

标识符

483DAB9E-B587-4DAE-936C-201F5BC4BCBA

备注

Error Domain=kCFStreamErrorDomainSSL Code=-9806"(null)" UserInfo=/NSLocalizedRecoverySuggestion=Errorcode definition can be found in Apple's SecureTransport.h}

请求信息

CONNECT m.m******(手动打码).pt:443 HTTP/1.1

请求头部

Host: m.m*******.ptConnection: keep-alive

发送请求头部

未发送

服务端开始响应

未响应

请求完成2024/04/26 10:11:40.529

 app无法登录，抓包数据。网页版可以登录，求分析求解

前些天一直在找便宜的云服务器，偶然间发现一免费的云平台，这里推荐给大家。

就是阿贝云，网站是https://www.abeiyun.com

说一下感受

1、阿贝云虽然是一小众的云平台，重在免费，该有的东西都有，还能免备案这是最舒服的。

2、使用了一天，上了项目，网速不慢。

3、唯一要指出来就是磁盘太小。

分享免费云服务器

拉取了rustbuster的v3.0.3版本文件, 二进制文件无法使用, 执行结果如下:

```bash
[root_cn@archlinux target]$ ./rustbuster-v3.0.3-x86_64-unknown-linux-gnu
./rustbuster-v3.0.3-x86_64-unknown-linux-gnu: error while loading shared libraries: libssl.so.1.1: cannot open shared object file: No such file or directory
```

拉取了main源码, 想自行尝试编译, 然后卡在了openssl, 以下为报错信息:

```rust
The following warnings were emitted during compilation:

warning: openssl-sys@0.9.47: build/expando.c:4:24: error: pasting "RUST_VERSION_OPENSSL_" and "(" does not give a valid preprocessing token
warning: openssl-sys@0.9.47:     4 | #define VERSION2(n, v) RUST_VERSION_##n##_##v
warning: openssl-sys@0.9.47:       |                        ^~~~~~~~~~~~~
warning: openssl-sys@0.9.47: build/expando.c:5:23: note: in expansion of macro ‘VERSION2’
warning: openssl-sys@0.9.47:     5 | #define VERSION(n, v) VERSION2(n, v)
warning: openssl-sys@0.9.47:       |                       ^~~~~~~~
warning: openssl-sys@0.9.47: build/expando.c:10:1: note: in expansion of macro ‘VERSION’
warning: openssl-sys@0.9.47:    10 | VERSION(OPENSSL, OPENSSL_VERSION_NUMBER)
warning: openssl-sys@0.9.47:       | ^~~~~~~

error: failed to run custom build command for `openssl-sys v0.9.47`

Caused by:
  process didn't exit successfully: `/mnt/d/work/file/rust/rustbuster/target/debug/build/openssl-sys-c5a482a9e0e49574/build-script-main` (exit status: 101)
  --- stdout
  cargo:rustc-cfg=const_fn
  cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR
  X86_64_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR unset
  cargo:rerun-if-env-changed=OPENSSL_LIB_DIR
  OPENSSL_LIB_DIR unset
  cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR
  X86_64_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR unset
  cargo:rerun-if-env-changed=OPENSSL_INCLUDE_DIR
  OPENSSL_INCLUDE_DIR unset
  cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_DIR
  X86_64_UNKNOWN_LINUX_GNU_OPENSSL_DIR unset
  cargo:rerun-if-env-changed=OPENSSL_DIR
  OPENSSL_DIR unset
  cargo:rustc-link-lib=ssl
  cargo:rustc-link-lib=crypto
  OPT_LEVEL = Some("0")
  TARGET = Some("x86_64-unknown-linux-gnu")
  HOST = Some("x86_64-unknown-linux-gnu")
  CC_x86_64-unknown-linux-gnu = None
  CC_x86_64_unknown_linux_gnu = None
  HOST_CC = None
  CC = None
  CFLAGS_x86_64-unknown-linux-gnu = None
  CFLAGS_x86_64_unknown_linux_gnu = None
  HOST_CFLAGS = None
  CFLAGS = None
  CRATE_CC_NO_DEFAULTS = None
  DEBUG = Some("true")
  CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
  running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-E" "build/expando.c"
  cargo:warning=build/expando.c:4:24: error: pasting "RUST_VERSION_OPENSSL_" and "(" does not give a valid preprocessing token
  cargo:warning=    4 | #define VERSION2(n, v) RUST_VERSION_##n##_##v
  cargo:warning=      |                        ^~~~~~~~~~~~~
  cargo:warning=build/expando.c:5:23: note: in expansion of macro ‘VERSION2’
  cargo:warning=    5 | #define VERSION(n, v) VERSION2(n, v)
  cargo:warning=      |                       ^~~~~~~~
  cargo:warning=build/expando.c:10:1: note: in expansion of macro ‘VERSION’
  cargo:warning=   10 | VERSION(OPENSSL, OPENSSL_VERSION_NUMBER)
  cargo:warning=      | ^~~~~~~
  exit status: 1

  --- stderr
  thread 'main' panicked at /home/root_cn/.cargo/registry/src/mirrors.sjtug.sjtu.edu.cn-4f7dbcce21e258a2/openssl-sys-0.9.47/build/main.rs:126:13:

  Header expansion error:
  Error { kind: ToolExecError, message: "Command \"cc\" \"-O0\" \"-ffunction-sections\" \"-fdata-sections\" \"-fPIC\" \"-g\" \"-fno-omit-frame-pointer\" \"-m64\" \"-Wall\" \"-Wextra\" \"-E\" \"build/expando.c\" with args \"cc\" did not execute successfully (status code exit status: 1)." }

  Failed to find OpenSSL development headers.

  You can try fixing this setting the `OPENSSL_DIR` environment variable
  pointing to your OpenSSL installation or installing OpenSSL headers package
  specific to your distribution:

      # On Ubuntu
      sudo apt-get install libssl-dev
      # On Arch Linux
      sudo pacman -S openssl
      # On Fedora
      sudo dnf install openssl-devel

  See rust-openssl README for more information:

      https://github.com/sfackler/rust-openssl#linux

  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
warning: build failed, waiting for other jobs to finish...
```

经过检查openssl与rust均为最新版本, 

```bash
[root_cn@archlinux target]$ sudo pacman -S rust
[sudo] password for root_cn:
warning: rust-1:1.77.2-1 is up to date -- reinstalling
resolving dependencies...
looking for conflicting packages...

Package (1)  Old Version  New Version  Net Change

extra/rust   1:1.77.2-1   1:1.77.2-1     0.00 MiB

Total Installed Size:  249.41 MiB
Net Upgrade Size:        0.00 MiB

:: Proceed with installation? [Y/n] n
[root_cn@archlinux target]$ sudo pacman -S openssl
warning: openssl-3.2.1-1 is up to date -- reinstalling
resolving dependencies...
looking for conflicting packages...

Package (1)   Old Version  New Version  Net Change

core/openssl  3.2.1-1      3.2.1-1        0.00 MiB

Total Installed Size:  11.45 MiB
Net Upgrade Size:       0.00 MiB

:: Proceed with installation? [Y/n] n
```

在网上找了一下, 查到资料, 在[rust-openssl的issues](https://github.com/sfackler/rust-openssl/issues/1227)中提到类似报错, 得到解释如下:

> If you are cross compiling to MUSL, you either need to point openssl-sys to the location that you have a copy of OpenSSL cross compiled to MUSL, or tell it to build a copy of OpenSSL itself with the vendored feature.
>
>	如果你是交叉编译到MUSL，你需要将openssl-sys指向你有一个交叉编译到MUSL的OpenSSL副本的位置，或者告诉它用vendored特性构建一个OpenSSL本身的副本。

由于不会rust, 依靠关键词"交叉编译"+"cargo"搜索到了[cargo交叉编译rust程序](https://blog.csdn.net/tyc880616/article/details/104371502), 顺着找到文件:

```
[root_cn@archlinux .cargo]$ cat ~/.cargo/config
[source.crates-io]
replace-with = 'sjtu' # 指定使用下面哪个源，修改为source.后面的内容即可

# 中国科学技术大学
[source.ustc]
registry = "https://mirrors.ustc.edu.cn/crates.io-index"

# 上海交通大学
[source.sjtu]
registry = "https://mirrors.sjtug.sjtu.edu.cn/git/crates.io-index/"

# 清华大学
[source.tuna]
registry = "https://mirrors.tuna.tsinghua.edu.cn/git/crates.io-index.git"

# rustcc社区
[source.rustcc]
registry = "https://code.aliyun.com/rustcc/crates.io-index.git"
```

没有找到交叉编译的设置, 由于本人不会rust, 线索断了, 尝试向大家寻求一波帮助, 非常感谢阅读.



急切寻求rust编译问题帮助(archlinux, openssl)

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【轉貼】ASP.NET Core Developer Roadmap in 2024

> 前段时间看到了站长发布的[帖子](https://hackertalk.net/posts/363299262696828928)提到了`latexify`这个库，最近有点兴趣研究了一下，写下此文作学习笔记吧

首先留一个官方[github](https://github.com/odashi/latexify_py)，官方提供了一个`ipynb`存储的示例，考虑到翻墙不易这里就留一个那份文件的[备份](https://github.com/Expector-Hutch/demo/blob/main/latexify_example.ipynb)吧。

---

# 现在进入正题

安装很简单了，这里直接用`pip`，需要注意的是`latexify`库并不支持最新的`python`版本：

```bash
$ pip install latexify-py
```

官方文档介绍了三种使用方法，分别是`latexify.function`，`latexify.expression`和`latexify.get_latex`；而在我搜到的大量中文教程上还都提到了方法`
latexify.with_latex
`，以下将逐一介绍。不过无论哪一种方法，导包都是必不可少的：

```python
import math
import latexify
```

### `latexify.function`

我们需要以装饰器的形式使用`latexify.function`，比如对于一个简单的一元二次求根函数：

```python
def root(a, b, c):
    return (-b + math.sqrt(b**2 - 4 * a * c)) / (2 * a)
```

我们只需要将其装饰为：

```python
@latexify.function
def root(a, b, c): ...
```

接下来`print(root)`打印我们的函数：

```latex
\mathrm{root}(a, b, c) = \frac{-b + \sqrt{b^2 - 4ac}}{2a}
```

让我们以`latex`的形式查看：

$$
\mathrm{root}(a, b, c) = \frac{-b + \sqrt{b^2 - 4ac}}{2a}
$$

是不是非常 amazing 呢？

### `latexify.expression`

`latexify.expression`的使用方法及功能与`latexify.function`非常像：

```python
@latexify.expression
def root(a, b, c): ...
```

仍然使用`print`打印并使用`latex`显示：

$$
\frac{-b + \sqrt{b^2 - 4ac}}{2a}
$$

相信聪明的你已经看出来这两种方法的区别了，接下来请你试试调用我们的`root`函数看看和装饰前有没有什么区别吧~~（显然是没有的）~~。

### `latexify.get_latex`

如果你不喜欢装饰器的写法~~（怎么可能有人不喜欢装饰器）~~，大可以以函数调用的方式获得`latex`字符串，下面的代码将达到与`@latexify.function`一致的效果：

```python
def root(a, b, c): ...
print(latexify.get_latex(root))
```

##### `latexify.with_latex`

这个装饰器的使用方法与效果似乎与`latexify.function`一致，我还没有来得及深究，如果有清楚的同志还请评论区补充……

## `latexify` 参数

接下来介绍一些控制最终输出的参数

### `identifiers: dict[str, str]`

上述参数用于控制一些简单的变量或者函数名的替换

```python
identifiers = {
    "my_function": "f",
    "my_inner_function": "g",
    "my_argument": "x",
}
@latexify.function(identifiers=identifiers)
def my_function(my_argument):
    return my_inner_function(my_argument)
```

$$
f(x) = \mathrm{g}\left(x\right)
$$

### `reduce_assignments: bool`

这个参数设为`True`将把`return`语句中的所有变量与函数内赋值的变量进行组合，以下是示例：

```python
@latexify.function(reduce_assignments=True)
def f(a, b, c):
    delta = b**2 - 4 * a * c
    numerator = -b + sqrt(delta)
    denominator = 2 * a
    return numerator / denominator
```

$$
f(a, b, c) = \frac{-b + \sqrt{b^{2} - 4 a c}}{2 a}
$$

`False`的结果显而易见，此处略。

### `use_math_symbols: bool`

该参数控制是否自动将具有符号名称的变量转换为LaTeX符号。

```python
@latexify.function(use_math_symbols=True)
def greek(alpha, beta, gamma, Omega):
  return alpha * beta + math.gamma(gamma) + Omega
```

$$
\mathrm{greek}({\alpha}, {\beta}, {\gamma}, {\Omega}) = {\alpha} {\beta} + \Gamma\left({{\gamma}}\right) + {\Omega}
$$

### `use_set_symbols: bool`

该参数控制是否使用二进制运算符进行集合运算。

```python
@latexify.function(use_set_symbols=True)
def f(x, y):
    return x & y, x | y, x - y, x ^ y, x < y, x <= y, x > y, x >= y
```

$$
f(x, y) = \left( x \cap y\space,\space x \cup y\space,\space x \setminus y\space,\space x \mathbin{\triangle} y\space,\space {x \subset y}\space,\space {x \subseteq y}\space,\space {x \supset y}\space,\space {x \supseteq y}\right)
$$

### `use_signature: bool`

查看下面的示例，顺带对比一下`latexify.function`和`latexify.expression`，这个参数的作用就显而易见了。

```python
@latexify.function(use_signature=False)
def f(a, b, c):
    return (-b + math.sqrt(b**2 - 4 * a * c)) / (2 * a)
```

$$
\frac{-b + \sqrt{b^{2} - 4 a c}}{2 a}
$$

---

~~更多内容略~~