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How to write multiple line string using Bash with variables?
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The syntax (<<<) and the command used (echo) is wrong.
Correct would be:
#!/bin/bash
kernel="2.6.39"
distro="xyz"
cat >/etc/myconfig.conf <<EOL
line 1, ${kernel}
line 2,
line 3, ${distro}
line 4 line
...
EOL
cat /etc/myconfig.c...
How to add test coverage to a private constructor?
...or anything similar that you can add to the class to make Cobertura understand that it won't be called, do that: I don't think it's worth going through hoops to add coverage artificially.
EDIT: If there's no way of doing it, just live with the slightly reduced coverage. Remember that coverage is me...
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.sa...
Convert char to int in C#
...har object that represents
a number to a numeric value type. Use
Parse and TryParse to convert a
character in a string into a Char
object. Use ToString to convert a Char
object to a String object.
http://msdn.microsoft.com/en-us/library/system.char.aspx
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Why we should not use protected static in java
...able exists at class level, it does not exist separately for each instance and it does not have an independent existence in classes which extend me.
Think about what protected means:
This variable can be seen by this class, classes in the same package and classes which extend me.
The two mea...
Python string class like StringBuilder in C#?
... answered Mar 10 '10 at 5:11
Andrew HareAndrew Hare
310k6363 gold badges611611 silver badges614614 bronze badges
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Convert JS Object to form data
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If you have an object, you can easily create a FormData object and append the names and values from that object to formData.
You haven't posted any code, so it's a general example;
var form_data = new FormData();
for ( var key in item ) {
form_data.append(key, item[key]);
}
$.aja...
Specify multiple attribute selectors in CSS
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Simple input[name=Sex][value=M] would do pretty nice. And it's actually well-described in the standard doc:
Multiple attribute selectors can be used to refer to several
attributes of an element, or even several times to the same attribute.
Here, the selector matches a...
R.exe, Rcmd.exe, Rscript.exe and Rterm.exe: what's the difference?
...ce between R.exe (with or without CMD BATCH option), Rcmd.exe, Rscript.exe and Rterm.exe when running command line in a batch file?
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Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
...ons of the HTTP specification used status code 401 for both "unauthorized" and "unauthenticated".
From the original specification:
If the request already included Authorization credentials, then the 401 response indicates that authorization has been refused for those credentials.
In fact, yo...