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unix - head AND tail of file
Say you have a txt file, what is the command to view the top 10 lines and bottom 10 lines of file simultaneously?
20 Answer...
How to convert a currency string to a double with jQuery or Javascript?
I have a text box that will have a currency string in it that I then need to convert that string to a double to perform some operations on it.
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How can I run a function from a script in command line?
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Difference between Big-O and Little-O Notation
What is the difference between Big-O notation O(n) and Little-O notation o(n) ?
4 Answers
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Opening a folder in explorer and selecting a file
I'm trying to open a folder in explorer with a file selected.
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What is the difference between range and xrange functions in Python 2.X?
Apparently xrange is faster but I have no idea why it's faster (and no proof besides the anecdotal so far that it is faster) or what besides that is different about
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Append a dictionary to a dictionary [duplicate]
...I wish to 'append' one of them to the other. By that I mean that the key,values of the other dictionary should be made into the first dictionary. For example:
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Does reading an entire file leave the file handle open?
If you read an entire file with content = open('Path/to/file', 'r').read() is the file handle left open until the script exits? Is there a more concise method to read a whole file?
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How can I match on an attribute that contains a certain string?
I am having a problem selecting nodes by attribute when the attributes contains more than one word. For example:
10 Answer...
Object.watch() for all browsers?
Please note that Object.Watch and Object.Observe are both deprecated now (as of Jun 2018).
8 Answers
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