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Removing trailing newline character from fgets() input
I am trying to get some data from the user and send it to another function in gcc. The code is something like this.
13 Answ...
How to replace all occurrences of a character in string?
...esn'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' to 'y'
}
...
What is Data Transfer Object?
...Transfer Object is an object that is used to encapsulate data, and send it from one subsystem of an application to another.
DTOs are most commonly used by the Services layer in an N-Tier application to transfer data between itself and the UI layer. The main benefit here is that it reduces the amoun...
Easiest way to read from and write to files
...wLine;
File.WriteAllText(path, createText);
...
// Open the file to read from.
string readText = File.ReadAllText(path);
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Removing multiple keys from a dictionary safely
I know how to remove an entry, 'key' from my dictionary d , safely. You do:
14 Answers
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What is the difference between atan and atan2 in C++?
...ng the arctangent of all four quadrants. std::atan only allows calculating from quadrants 1 and 4.
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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...found on various articles on websites. Credits goes to the original author from the @see links.
Note that a lot more can be done with color matrices. Including inverting, etc...
public class ColorFilterGenerator
{
/**
* Creates a HUE ajustment ColorFilter
* @see http://groups.google.com/group...
How do I convert a numpy array to (and display) an image?
...
You could use PIL to create (and display) an image:
from PIL import Image
import numpy as np
w, h = 512, 512
data = np.zeros((h, w, 3), dtype=np.uint8)
data[0:256, 0:256] = [255, 0, 0] # red patch in upper left
img = Image.fromarray(data, 'RGB')
img.save('my.png')
img.show()
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How to validate phone numbers using regex
...ing code is going to be a waste of time if the numbers are allowed to come from outside the US.
– Daniel Earwicker
Jul 21 '09 at 12:13
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Ember.js or Backbone.js for Restful backend [closed]
...ifest). Additionally these header values won't help during the first visit from a user—which generally is the most critical in deciding whether the user will stay and use your app. Saying all that 30kb file difference doesn't seem like that big of a deal to me. Is that raw or a minified and gzippe...