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How to change the output color of echo in Linux
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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...
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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Sort array of objects by string property value
...bstr(1);
}
return function (a,b) {
/* next line works with strings and numbers,
* and you may want to customize it to your needs
*/
var result = (a[property] < b[property]) ? -1 : (a[property] > b[property]) ? 1 : 0;
return result * sortOrder;...
How to check that a string is a palindrome using regular expressions?
... all palindromes. The proof relies on the facts that we can easily build a string that requires an arbitrarily large number of nodes, namely the string
a^x b a^x (eg., aba, aabaa, aaabaaa, aaaabaaaa, ....)
where a^x is a repeated x times. This requires at least x nodes because, after seeing the 'b...
Remove all unused resources from an android project
I want to remove all unused layouts, strings, drawables, colors, etc from my Android res directory. Are there any tools that will give me a list of files and I can remove from my repository and elements within specifics files (e.g. unused string entries) that are no longer used?
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Why isn't std::initializer_list a language built-in?
...aer_list wraps a compile-time array. Think of it as the difference between char s[] = "array"; and char *s = "initializer_list";.
– rodrigo
Mar 4 '13 at 10:12
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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...
Exception.Message vs Exception.ToString()
...wever, I read an article which states that it's better to use Exception.ToString() . With the latter, you retain more crucial information about the error.
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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
}
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Why do I get “unresolved external symbol” errors when using templates? [duplicate]
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@jbx I'm saying that for things like basic_string<T> you're only ever going to be using it with char or wchar_t so if putting all the implementation in the header is a concern, instantiating it in the cpp is an option. The code is yours to command, not vice-ver...