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How do you use “
...) {
function(x) x ^ exponent
}
square <- power(2)
square(2) # -> [1] 4
square(4) # -> [1] 16
cube <- power(3)
cube(2) # -> [1] 8
cube(4) # -> [1] 64
The ability to manage variables at two levels also makes it possible to maintain the state across function invocations by allow...
Sending email with attachments from C#, attachments arrive as Part 1.2 in Thunderbird
...hunderbird and Blackberry users the attachments have been renamed as "Part 1.2".
9 Answers
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What is the maximum length of latitude and longitude? [closed]
...
If latitude coordinate is reported as -6.3572375290155 or -63.572375290155 in decimal degrees then you could round-off and store up to 6 decimal places for 10 cm (or 0.1 meter) precision.
Overview
The valid range of latitude in degrees is -90 and +90 for the southern and nort...
Java: Integer equals vs. ==
As of Java 1.5, you can pretty much interchange Integer with int in many situations.
7 Answers
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What does glLoadIdentity() do in OpenGL?
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139
The identity matrix, in terms of the projection and modelview matrices, essentially resets the...
Difference between JSONObject and JSONArray
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189
When you are working with JSON data in Android, you would use JSONArray to parse JSON which st...
How to extract extension from filename string in Javascript? [duplicate]
...et the File extension of the file in a variable?
like if I have a file as 1.txt I need the txt part of it.
10 Answers
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How to pipe stdout while keeping it on screen ? (and not to a output file)
...ty | foo
Reference: The Open Group Base Specifications Issue 7
IEEE Std 1003.1, 2013 Edition, §10.1:
/dev/tty
Associated with the process group of that process, if any. It is
useful for programs or shell procedures that wish to be sure of
writing messages to or reading data from the...
std::shared_ptr thread safety explained
...e only newly created object?
is incorrect. Only d will point to the new A(10), and a, b, and c will continue to point to the original A(1). This can be seen clearly in the following short example.
#include <memory>
#include <iostream>
using namespace std;
struct A
{
int a;
A(int a)...
Streaming a video file to an html5 video player with Node.js so that the video controls continue to
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117
The Accept Ranges header (the bit in writeHead()) is required for the HTML5 video controls to ...