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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
26
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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'
}
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How do I convert a numpy array to (and display) an image?
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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 read data From *.CSV file using javascript?
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I was trying to read a .csv file from a mac. I was only able to get this script to recognize newline characters when I changed the first split to this var allTextLines = allText.split("\r"); After that it worked great! Thanks!
– Joe
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How to downgrade from Internet Explorer 11 to Internet Explorer 10?
...were almost there. Now I managed to solve this. You need to uninstall IE11 from 3 places: 1. windows features 2. Installed updates - Uninstall Internet Explorer 11 2. Installed updates - Uninstall Windows Internet Explorer 10. Update your answer and I'll mark it as a solution
–...
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...
PowerShell: Run command from script's directory
... $scriptpath
Write-host "My directory is $dir"
You can get a lot of info from $MyInvocation and its properties.
If you want to reference a file in the current working directory, you can use Resolve-Path or Get-ChildItem:
$filepath = Resolve-Path "somefile.txt"
EDIT (based on comment from OP):
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Git: “Corrupt loose object”
Whenever I pull from my remote, I get the following error about compression. When I run the manual compression, I get the same:
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Calendar returns wrong month [duplicate]
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Months are indexed from 0 not 1 so 10 is November and 11 will be December.
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Abusing the algebra of algebraic data types - why does this work?
...in a moment.
As you've probably noticed, Haskell tends to borrow concepts from Category Theory, and all of the above has a very straightforward interpretation as such:
Given objects A and B in Hask, their product A×B is the unique (up to isomorphism) type that allows two projections fst : A×B ...