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In the shell, what does “ 2>&1 ” mean?
In a Unix shell, if I want to combine stderr and stdout into the stdout stream for further manipulation, I can append the following on the end of my command:
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How to calculate the angle between a line and the horizontal axis?
In a programming language (Python, C#, etc) I need to determine how to calculate the angle between a line and the horizontal axis?
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C# how to create a Guid value?
One field of our struct is Guid type. How to generate a valid value for it?
11 Answers
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Which MySQL datatype to use for an IP address? [duplicate]
I want to get the IP address from $_SERVER['REMOTE_ADDR'] and some other $_SERVER variables, which datatype is the right one for this?
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How to compare two NSDates: Which is more recent?
I am trying to achieve a dropBox sync and need to compare the dates of two files. One is on my dropBox account and one is on my iPhone.
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What is a “web service” in plain English?
I've been reading about "web services" here on SO, on Wikipedia, Google, etc., and I don't quite understand what they are. What is the plain English definition/description?
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Are querystring parameters secure in HTTPS (HTTP + SSL)? [duplicate]
Do querystring parameters get encrypted in HTTPS when sent with a request?
4 Answers
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How can I convert a Unix timestamp to DateTime and vice versa?
There is this example code, but then it starts talking about millisecond / nanosecond problems.
19 Answers
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APT command line interface-like yes/no input?
Is there any short way to achieve what the APT ( Advanced Package Tool ) command line interface does in Python?
19 Answers
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How can you determine a point is between two other points on a line segment?
Let's say you have a two dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point.
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