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How to show line number when executing bash script
I have a test script which has a lot of commands and will generate lots of output, I use set -x or set -v and set -e , so the script would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a m...
Maintain the aspect ratio of a div with CSS
I want to create a div that can change its width/height as the window's width changes.
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Push git commits & tags simultaneously
I'm aware of the reason that git push --tags is a separate operation to plain old git push . Pushing tags should be a conscious choice since you don't want accidentally push one. That's fine. But is there a way to push both together? (Aside from git push && git push --tags .)
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How to print binary tree diagram?
How can I print a binary tree in Java so that the output is like:
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What's wrong with this 1988 C code?
I'm trying to compile this piece of code from the book "The C Programming Language" (K & R). It is a bare-bones version of the UNIX program wc :
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How can I create a UIColor from a hex string?
How can I create a UIColor from a hexadecimal string format, such as #00FF00 ?
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How to merge 2 JSON objects from 2 files using jq?
I'm using the jq tools (jq-json-processor) in shell script to parse json.
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How does HashSet compare elements for equality?
I have a class that is IComparable :
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Swift Programming: getter/setter in stored property
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How do I write a custom init for a UIView subclass in Swift?
Say I want to init a UIView subclass with a String and an Int .
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