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How to change the output color of echo in Linux
...
It may be more convenient to insert tput's output directly into your echo strings using command substitution:
echo "$(tput setaf 1)Red text $(tput setab 7)and white background$(tput sgr 0)"
Example
The above command produces this on Ubuntu:
Foreground & background colour commands
tp...
HTML character decoding in Objective-C / Cocoa Touch
...;number>; they are called numeric entity references. Basically, it's a string representation of the byte that should be substituted. In the case of &, it represents the character with the value of 38 in the ISO-8859-1 character encoding scheme, which is &.
The reason the ampersand...
Create and append dynamically
...amic this is is, but sometimes this might save your debugging life:
var daString="<div id=\'block\' class=\'block\'><div class=\'block-2\'></div></div>";
var daParent=document.getElementById("the ID of whatever your parent is goes in here");
daParent.innerHTML=daString;
"R...
Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
...work, and make the constructor private?
public BusinessClass
{
public string MyProperty { get; private set; }
private BusinessClass()
{
}
private BusinessClass(string myProperty)
{
MyProperty = myProperty;
}
public static BusinessClass CreateObject(string ...
Select elements by attribute
...he above will fall into the else-branch when myattr exists but is an empty string or "0". If that's a problem you should explicitly test on undefined:
if ($('#A').attr('myattr') !== undefined) {
// attribute exists
} else {
// attribute does not exist
}
...
Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety
... search for packages on Ubuntu/Debian based systems:
apt-cache search <string>
e.g:
apt-cache search freetype | grep dev
Redhat/CentOS/Fedora:
yum -y install freetype-devel
To search for packages on Redhat/CentOS/Fedora based systems:
yum search <string>
e.g:
yum search fr...
How do you reverse a string in place in C or C++?
How do you reverse a string in C or C++ without requiring a separate buffer to hold the reversed string?
30 Answers
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How to detect total available/free disk space on the iPhone/iPad device?
...nt, I already have enough warnings to deal with using NSInteger and format strings! 64 bits will be enough bits for sure in my lifetime and yours.
– David H
Mar 3 '14 at 14:19
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how to use python to execute a curl command
...o see this, the reason why that was happening to me is that I was giving a string as my payload instead of a dictionary object.
– tricknology
Apr 24 '15 at 22:37
1
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Can I define a class name on paragraph using Markdown?
.... But...
No, Markdown's syntax can't. You can set ID values with Markdown Extra through.
You can use regular HTML if you like, and add the attribute markdown="1" to continue markdown-conversion within the HTML element. This requires Markdown Extra though.
<p class='specialParagraph' markdown='...