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Extracting the last n characters from a string in R
How can I get the last n characters from a string in R?
Is there a function like SQL's RIGHT?
15 Answers
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How do I escape a single quote ( ' ) in JavaScript? [duplicate]
UPDATE:
I want to give an updated answer to this question. First, let me state if you're attempting to accomplish what I have below, I recommend that you manage events by adding event listeners instead. I highly recommend that you utilize jQuery for your project and use their syntax to manage ...
JavaScript, Node.js: is Array.forEach asynchronous?
I have a question regarding the native Array.forEach implementation of JavaScript: Does it behave asynchronously?
For example, if I call:
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How to get year/month/day from a date object?
alert(dateObj) gives Wed Dec 30 2009 00:00:00 GMT+0800
16 Answers
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Delete files older than 3 months old in a directory using .NET
I would like to know (using C#) how I can delete files in a certain directory older than 3 months, but I guess the date period could be flexible.
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Rails 3 migrations: Adding reference column?
If I create a new rails 3 migration with (for example)
10 Answers
10
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Incrementing a date in JavaScript
I need to increment a date value by one day in JavaScript.
16 Answers
16
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When to Redis? When to MongoDB? [closed]
What I want is not a comparison between Redis and MongoDB. I know they are different; the performance and the API is totally different.
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Dump a mysql database to a plaintext (CSV) backup from the command line
I'd like to avoid mysqldump since that outputs in a form that is only convenient for mysql to read. CSV seems more universal (one file per table is fine). But if there are advantages to mysqldump, I'm all ears. Also, I'd like something I can run from the command line (linux). If that's a mysql s...
My docker container has no internet
I had it working allright but now it stopped. I tried the following commands with no avail:
22 Answers
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