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How to read data when some numbers contain commas as thousand separator?
I have a csv file where some of the numerical values are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
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How to check if running as root in a bash script
I'm writing a script that requires root level permissions, and I want to make it so that if the script is not run as root, it simply echoes "Please run as root." and exits.
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How do I check for a network connection?
What is the best way to determine if there is a network connection available?
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How to produce a range with step n in bash? (generate a sequence of numbers with increments)
The way to iterate over a range in bash is
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Set time to 00:00:00
I have a problem resetting hours in Java. For a given date I want to set the hours to 00:00:00.
12 Answers
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AngularJS - $anchorScroll smooth/duration
Reading the AngularJS docs I haven't figured out if $anchorScroll can have a duration/easing option to smooth scroll to elements.
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Creating java date object from year,month,day
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6 Answers
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vertical & horizontal lines in matplotlib
I do not quite understand why I am unable to create horizontal and vertical lines at specified limits. I would like to bound the data by this box. However, the sides do not seem to comply with my instructions. Why is this?
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Is there an easy way to check the .NET Framework version?
The problem is that I need to know if it's version 3.5 SP 1. Environment.Version() only returns 2.0.50727.3053 .
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What is the difference between libsqlite3.dylib and libsqlite3.0.dylib?
I'm getting started with SQLite databases in an app I'm working on. I've not run into issues yet but one of the early steps from this tutorial is linking the SQLite3 framework. The tutorial calls for libsqlite3.0.dylib but I noticed another one libsqlite3.dylib. Is the latter just a symlink to ...