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Not all APIs are available on all versions of iOS. There are annotations in Objective C for this, so we can turn that into version checks, and throw user friendly exceptions rather than crashing. Sugg…
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Build is broken on PowerPC. Tested on 10.5.8 and 10.6, with gcc7 and gcc12.
```
during GIMPLE pass: eh
In file included from ../macosx/coreaudio/JackCoreAudioDriver.mm:29:
../common/JackLockedEngi…
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When I try to build my app I get this error during runtime:
dyld[5592]: Symbol not found: _OBJC_CLASS_$_INSJpegToH264Encoder
Referenced from: /private/var/containers/Bundle/Application/518186DD…
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1.5.0
Was trying to use `pproperties`:
```python
(lldb) pproperties $imageView
error: error: unknown type name 'objc_property_t'
error: use of undeclared identifier 'objc_property_t'
error: …
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Hey! Hope you're doing well
Starting with version 19.35.3, YouTube no longer uses `GPBMessage *unknownFields` directly. Instead, I now see the ivar `NSMutableData *unknownFieldData_`. Any attempt t…
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### Problem Statement
Screen names are auto generated, so autocapture does not work well nor the detection of the current screen for session replay
### Solution Brainstorm
fallback to accessi…
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The `NSZone` stub [here](https://github.com/gnustep/libobjc2/blob/164f3744fd47b2233841b991bbde11a89e5a892a/fast_paths.m#L4) has in a different signature which results in a warning at runtime when pas…
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I downloaded the v0.1.0 release and installed the Swift 5 runtime support package. The Swift package can't be installed directly on 10.9, but it can be unpacked with pbzx and installed manually.
W…
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My use case fall into the enum as-int scenario (basically it can't work with enums). I am able to generates bindings as an abstract class but then it fails at runtime since depending methods still cal…
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前面几篇都是在阅读源码过程中记下的笔记,过于琐碎,这里梳理总结一下。
1\. 对象结构
--------
![img](https://segmentfault.com/img/remote/1460000020451897?w=933&h=977)
首先还是回到这张经典的图,非常好地展现了`object -> class -> metaclass`这三者之间的关系。
### why me…