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The technical reason is that the burning filter works in relative time to the video input, not in absolute time to the source file. Your script places `-ss $start` before `-i $mp4`, which is the correct approach: FFmpeg performs a seek on the source file before starting decoding. The entire pipeline (video, audio, and the subtitle filter that reads the external file) now considers time zero to be this starting point. The subtitles corresponding to the skipped period are simply not rendered, and the following ones play normally. If you had placed `-ss` after the input (i.e., a seek on the output), you would indeed have created an offset, but that's not the case in your code.
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1. Why you might still see it
In certain situations (old messages, notifications, links), the username may appear. You can't click on it to access the profile, but Facebook keeps the reference for data consistency.
2. Old private messages
If you've exchanged Messenger messages, the username may remain visible in the conversation. You can no longer send new messages, but the history isn't deleted.
3. Past comments and tags
If the person has already tagged you or commented on your posts, their username may still be displayed. Blocking doesn't erase the past; it only prevents future interactions.
In certain situations (old messages, notifications, links), the username may appear. You can't click on it to access the profile, but Facebook keeps the reference for data consistency.
2. Old private messages
If you've exchanged Messenger messages, the username may remain visible in the conversation. You can no longer send new messages, but the history isn't deleted.
3. Past comments and tags
If the person has already tagged you or commented on your posts, their username may still be displayed. Blocking doesn't erase the past; it only prevents future interactions.
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1 **The Loading Error Scenario After Navigating Back**
Imagine a component that needs to display essential data, such as a list of products or user details. This data is usually retrieved via an API during component initialization, often in a lifecycle hook like `ngOnInit` (in Angular, for example). The problem occurs when the user navigates to another page and then returns to the previous page. If, during this "rollback", there is a network connection problem or a server-side error, the component may fail to reload this crucial data.
2 **The Consequences of an Incomplete Display**
The repercussions of this loading error can be varied and frustrating for the user. The component could appear blank, display outdated information, or even crash if the code is not designed to handle missing data. The user experience is degraded because the application behavior is not consistent. Instead of seeing the updated and complete data, the user is faced with a partially or completely blank screen, which calls into question the reliability of the application.
3 **Resilience and Data Recovery Strategies**
To avoid these inconveniences, it is imperative to integrate robust error management mechanisms. This includes setting up automatic retries, displaying clear error messages and allowing the user to trigger a manual reload. Intelligent caching techniques can also be useful to display at least recent data while the application attempts to retrieve the most up-to-date information. In short, it's about making the component resilient to loading failures, ensuring that the user always sees relevant information.
Imagine a component that needs to display essential data, such as a list of products or user details. This data is usually retrieved via an API during component initialization, often in a lifecycle hook like `ngOnInit` (in Angular, for example). The problem occurs when the user navigates to another page and then returns to the previous page. If, during this "rollback", there is a network connection problem or a server-side error, the component may fail to reload this crucial data.
2 **The Consequences of an Incomplete Display**
The repercussions of this loading error can be varied and frustrating for the user. The component could appear blank, display outdated information, or even crash if the code is not designed to handle missing data. The user experience is degraded because the application behavior is not consistent. Instead of seeing the updated and complete data, the user is faced with a partially or completely blank screen, which calls into question the reliability of the application.
3 **Resilience and Data Recovery Strategies**
To avoid these inconveniences, it is imperative to integrate robust error management mechanisms. This includes setting up automatic retries, displaying clear error messages and allowing the user to trigger a manual reload. Intelligent caching techniques can also be useful to display at least recent data while the application attempts to retrieve the most up-to-date information. In short, it's about making the component resilient to loading failures, ensuring that the user always sees relevant information.