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recursion versus iteration
...rrect to say that everywhere recursion is used a for loop could be used? And if recursion is usually slower what is the technical reason for ever using it over for loop iteration?
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Difference between -pthread and -lpthread while compiling
What is the difference between gcc -pthread and gcc -lpthread which is used while compiling multithreaded programs?
3 A...
python numpy machine epsilon
I am trying to understand what is machine epsilon. According to the Wikipedia, it can be calculated as follows:
3 Answers
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How to query nested objects?
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I don't know, just wondering, and thought it may sometimes be useful.
– trysis
May 2 '14 at 17:09
3
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How to create major and minor gridlines with different linestyles in Python
I am currently using matplotlib.pyplot to create graphs and would like to have the major gridlines solid and black and the minor ones either greyed or dashed.
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How would you make two s overlap?
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I might approach it like so (CSS and HTML):
html,
body {
margin: 0px;
}
#logo {
position: absolute; /* Reposition logo from the natural layout */
left: 75px;
top: 0px;
width: 300px;
height: 200px;
z-index: 2;
}
#content {
m...
How to replace (or strip) an extension from a filename in Python?
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Expanding on AnaPana's answer, how to remove an extension using pathlib (Python >= 3.4):
>>> from pathlib import Path
>>> filename = Path('/some/path/somefile.txt')
>>> filename_wo_ext = filename...
Java 32-bit vs 64-bit compatibility
Will Java code built and compiled against a 32-bit JDK into 32-bit byte code work in a 64-bit JVM? Or does a 64-bit JVM require 64-bit byte code?
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Difference between HEAD and master
What is the difference between the HEAD and master in Git?
3 Answers
3
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How to replace all occurrences of a character in string?
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std::string doesn't contain such function but you could use stand-alone replace function from algorithm header.
#include <algorithm>
#include <string>
void some_func() {
std::string s = "example string";
std::replace( s.begin(), s.end(), 'x', 'y'); // replace all 'x' t...