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Linux command (like cat) to read a specified quantity of characters
Is there a command like cat in linux which can return a specified quantity of characters from a file?
9 Answers
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Node: log in a file instead of the console
Can I configure console.log so that the logs are written on a file instead of being printed in the console?
19 Answers
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How to style the parent element when hovering a child element?
I know that there does not exist a CSS parent selector , but is it possible to style a parenting element when hovering a child element without such a selector?
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Java String - See if a string contains only numbers and not letters
I have a string that I load throughout my application, and it changes from numbers to letters and such. I have a simple if statement to see if it contains letters or numbers but, something isn't quite working correctly. Here is a snippet.
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Can I call a constructor from another constructor (do constructor chaining) in C++?
As a C# developer I'm used to running through constructors:
15 Answers
15
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How to get the list of files in a directory in a shell script?
I'm trying to get the contents of a directory using shell script.
10 Answers
10
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Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
I would like an efficient utility to generate unique sequences of bytes. UUID is a good candidate but UUID.randomUUID().toString() generates stuff like 44e128a5-ac7a-4c9a-be4c-224b6bf81b20 which is good, but I would prefer dash-less string.
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How to get a list of repositories apt-get is checking? [closed]
I want a list of repos in sources.list, plus those in
sources.list.d/.
5 Answers
5
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Append values to a set in Python
I have a set like this:
8 Answers
8
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How can I use Python to get the system hostname?
I'm writing a chat program for a local network. I would like be able to identify computers and get the user-set computer name with Python.
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