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Elegant way to check for missing packages and install them?
...de with coauthors these days. Many of them are novice/intermediate R users and don't realize that they have to install packages they don't already have.
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Cancel split window in Vim
...window just one window without cancelling all of my open windows. I have 5 and do not want to "quit", just want to get out of split window.
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What's the difference between dynamic (C# 4) and var?
...ing with C# v4, but I couldn't make out the difference between a "dynamic" and "var".
14 Answers
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How can you encode a string to Base64 in JavaScript?
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You can use btoa() and atob() to convert to and from base64 encoding.
There appears to be some confusion in the comments regarding what these functions accept/return, so…
btoa() accepts a “string” where each character represents an 8-b...
What are dictionary view objects?
...sentially what their name says: views are simply like a window on the keys and values (or items) of a dictionary. Here is an excerpt from the official documentation for Python 3:
>>> dishes = {'eggs': 2, 'sausage': 1, 'bacon': 1, 'spam': 500}
>>> keys = dishes.keys()
>>>...
What is the optimal length for an email address in a database?
...acted portion of my query, reflecting the EMAIL_ADDRESS column data type and property:
8 Answers
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How to track child process using strace?
...ending thread, I had to tediously search for the parent thread, then the grandparent thread, and so on all the way to the root process.
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Oracle SQL Query for listing all Schemas in a DB
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@Andy: that's why I wrote "as a privileged user" ;)
– a_horse_with_no_name
Jan 28 '11 at 23:01
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How can I prevent the textarea from stretching beyond his parent DIV element? (google-chrome issue o
...x-width: 100px;
max-height: 100px;
}
To limit size to parents width and/or height:
textarea {
max-width: 100%;
max-height: 100%;
}
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Proper use of beginBackgroundTaskWithExpirationHandler
I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler .
5 Answers
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