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Display a float with two decimal places in Python
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bradley.ayersbradley.ayers
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Color text in terminal applications in UNIX [duplicate]
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#define KNRM "\x1B[0m"
#define KRED "\x1B[31m"
#define KGRN "\x1B[32m"
#define KYEL "\x1B[33m"
#define KBLU "\x1B[34m"
#define KMAG "\x1B[35m"
#define KCYN "\x1B[36m"
#define KWHT "\x1B[37m"
int main()
{
printf("%sred\n", KRED);
printf("%sgreen\n", KGRN);
printf("%syellow\...
How to index characters in a Golang string?
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peterSOpeterSO
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Most efficient way to check for DBNull and then assign to a variable?
...t? myValue = (Convert.IsDBNull(row["column"]) ? null : (int?) Convert.ToInt32(row["column"]));
And yes, the compiler should cache it for you.
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Grouping functions (tapply, by, aggregate) and the *apply family
...apply(M, 2, max)
[1] 4 8 12 16
# 3 dimensional array
M <- array( seq(32), dim = c(4,4,2))
# Apply sum across each M[*, , ] - i.e Sum across 2nd and 3rd dimension
apply(M, 1, sum)
# Result is one-dimensional
[1] 120 128 136 144
# Apply sum across each M[*, *, ] - i.e Sum across 3rd dimension
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How to convert std::string to lower case?
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325
Boost provides a string algorithm for this:
#include <boost/algorithm/string.hpp>
std:...
Brew doctor says: “Warning: /usr/local/include isn't writable.”
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jrwrenjrwren
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Why prefer two's complement over sign-and-magnitude for signed numbers?
...ly the first 31 bits of an int in java to represent positive number if the 32nd bit is 1 , its a -ve number.
1100 (lets assume 12 in 4 bit system)
+0100(2's complement of 12)
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1 0000 (result is zero , with the carry 1 overflowing)
Thus the system of (n + 2'complement...
How would one write object-oriented code in C? [closed]
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32 Answers
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Set selected option of select box
...trov
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