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What is Ruby's double-colon `::`?
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In C#, for instance, yes. On the other hand C++ (and Ruby) use :: for namespace resolution such as std::cout << "Hello World!";
– Jerry Fernholz
Jun 9 '10 at 20:29
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Is there a JavaScript / jQuery DOM change listener?
... // ...
});
// define what element should be observed by the observer
// and what types of mutations trigger the callback
observer.observe(document, {
subtree: true,
attributes: true
//...
});
This example listens for DOM changes on document and its entire subtree, and it will fire on chang...
How to copy a directory using Ant
...ory tree but it is deprecated. My directory contains some sub-directories, and some of those contain files and others contain more sub-directories.
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How to check a not-defined variable in JavaScript
...nly be done with try/catch, since typeof will treat an undeclared variable and a variable declared with the value of undefined as equivalent.
But, to check if a variable is declared and is not undefined:
if (yourvar !== undefined) // Any scope
Previously, it was necessary to use the typeof opera...
How to override Backbone.sync?
I'm trying out Backbone.js, and one of the things I'm trying is to make a call to a remote API, so I need to be able to override Backbone.sync, as I understand the documentation .
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How do JavaScript closures work?
...nowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
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Remove ActiveRecord in Rails 3
...app I have just started work on in Rails 3 beta, both to get a feel for it and get a bit of a head-start. The app uses MongoDB and MongoMapper for all of its models and therefore has no need for ActiveRecord. In the previous version, I am unloading activerecord in the following way:
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Determine the line of code that causes a segmentation fault?
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Use bt as a shorthand for backtrace.
– rustyx
May 27 '19 at 7:53
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Infinity symbol with HTML
...resting results within 3 seconds, including utf8icons.com, fileformat.info and others.
– trejder
Jun 12 '14 at 11:00
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Remove Application Insight from application on Visual Studio 2013
...pplication insight to a project which creates a ApplicationInsights.config and not sure what other files were added to the project.
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