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What is the performance cost of having a virtual method in a C++ class?
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104
I ran some timings on a 3ghz in-order PowerPC processor. On that architecture, a virtual functi...
Ruby on Rails patterns - decorator vs presenter
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104
A decorator is more of a "let's add some functionality to this entity". A presenter is more of ...
unsigned APK can not be installed
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answered Jan 29 '11 at 9:06
theAlsetheAlse
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How to check whether a string contains a substring in JavaScript?
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14067
ECMAScript 6 introduced String.prototype.includes:
const string = "foo";
const substri...
Creating my own Iterators
...rs. I have written an article about this very topic; it's in the December 2008 ACCU magazine. It discusses an (IMO) elegant solution for exactly your problem: exposing member collections from an object, using Boost.Iterators.
If you want to use the stl only, the Josuttis book has a chapter on imple...
How to view revision history for Mercurial file?
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hg log file
hg diff -r 10 -r 20 file
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Set the selected index of a Dropdown using jQuery
...uery
// sets selected index of a select box to the option with the value "0"
$("select#elem").val('0');
// sets selected index of a select box to the option with the value ""
$("select#elem").val('');
// sets selected index to first item using the DOM
$("select#elem")[0].selectedIndex = 0;
// ...
How do I skip a match when using Ctrl+D for multiple selections in Sublime Text 2?
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edited May 21 '14 at 11:04
skywinder
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answe...
How to get anchor text/href on click using jQuery?
...get the info from.
<a class="info_link" href="~/Resumes/Resumes1271354404687.docx">
~/Resumes/Resumes1271354404687.docx
</a>
For href:
$(function(){
$('.info_link').click(function(){
alert($(this).attr('href'));
// or alert($(this).hash();
});
});
For Text:
$(funct...
Is it safe to assume strict comparison in a JavaScript switch statement?
...ve a variable that can either be boolean false , or an integer (including 0). I want to put it in a switch statement like:
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