Jeff.Zhao

关于Portfolio里做空和做多的account_balance.cash计算疑惑

3

代码如下： ``` def update(self, deal: Deal): security = deal.security lot_size = security.lot_size price = deal.filled_avg_price quantity = deal.filled_quantity direction = deal.direction offset = deal.offset filled_time = deal.updated_time fee = self.market.fees(deal).total_fees...

engine的portfolios和strategy里的portfolios两者是有什么区别和联系呢

7

BaseStrategy类下看到如下几个方法： ``` def get_portfolio_value(self, gateway_name: str) -> float: return self.engine.portfolios[gateway_name].value def get_strategy_portfolio_value(self, gateway_name: str) -> float: return self.portfolios[gateway_name].value def get_account_balance(self, gateway_name: str) -> AccountBalance: return self.engine.portfolios[gateway_name].account_balance def get_strategy_account_balance(self, gateway_name: str)...

ffmpeg6.1 cuda fail.

1

ffmpeg6.1 cuda fail. ## FFmpeg Version ffmpeg6.1 ## Command Line Start-Process -Wait -FilePath ".\project_generate.exe" -PassThru -NoNewWindow -ArgumentList ` "--disable-all", ` "--disable-autodetect", ` "--enable-dxva2", ` "--enable-d3d11va", ` "--enable-cuvid", ` "--enable-amf", `...

在windows操作系统下编译rust程序，使用了ffmpeg依赖，编译出错

1

1.在windows操作系统下编译rust程序，使用了ffmpeg依赖，编译出现下面报错： ` error: linking with `link.exe` failed: exit code: 1120 | = note: libx264.lib(encoder.obj) : warning LNK4099: 未找到 PDB“libx264_10b.pdb”(使用“libx264.lib(encoder.obj)”或在“D:\workspace\rust\NextRiftXR_desktop\target\debug\deps\libx264_10b.pdb”中寻找)；正在链接对象，如同没有调试信息一样 ` 2.cargo.toml里的配置 ` [package.metadata.vcpkg] dependencies = ["ffmpeg[x264,x265,opus,avcodec,avdevice,avfilter,avformat,swresample,swscale]:x64-windows-static-md"] git = "https://github.com/microsoft/vcpkg" rev...