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Cancellation token in Task constructor: why?
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Passing a CancellationToken into the Task constructor associates it with the task.
Quoting Stephen Toub's answer from MSDN:
This has two primary benefits:
If the token has cancellation requested prior to the Task starting to execute, the Task won't execute. Rather than transit...
C++11 range based loop: get item by value or reference to const
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If you don't want to change the items as well as want to avoid making copies, then auto const & is the correct choice:
for (auto const &x : vec)
Whoever suggests you to use auto & is wrong. Ignore them.
Here is recap:
Choose auto x when yo...
WebRTC vs Websockets: If WebRTC can do Video, Audio, and Data, why do I need Websockets? [closed]
...TC to decide which to use. Since there are plenty of video and audio apps with WebRTC, this sounds like a reasonable choice, but are there other things I should consider?
Feel free to share your thoughts.
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Downloading images with node.js [closed]
I'm trying to write a script to download images using node.js. This is what I have so far:
7 Answers
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In Clojure, when should I use a vector over a list, and the other way around?
...ists are. I'm not sure what the rationale is for using one over the other. It seems that vectors are used the most, but is there a reason for that?
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...l\" owner to NEW_OWNER" YOUR_DB ; done
You could probably DRY that up a bit since the alter statements are identical for all three.
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What are the best Haskell libraries to operationalize a program? [closed]
...n, there are several things I need that program to do in order to consider it "operationalized" – that is, running and maintainable in a measurable and verifiable way by both engineers and operations staff. For my purposes, an operationalized program must:
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FFmpeg: How to split video efficiently?
I wish to split a large avi video into two smaller consecutive videos. I am using ffmpeg.
9 Answers
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How to get image size (height & width) using JavaScript?
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edited Jul 25 at 15:02
Ahmed ElMetwally
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Compare two DataFrames and output their differences side-by-side
... isEnrolled True False
Comment None On vacation
* Note: it's important that df1 and df2 share the same index here. To overcome this ambiguity, you can ensure you only look at the shared labels using df1.index & df2.index, but I think I'll leave that as an exercise.
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