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What is the Sign Off feature in Git for?
...nto the Linux kernel and a few other projects, but most projects don't actually use it.
It was introduced in the wake of the SCO lawsuit, (and other accusations of copyright infringement from SCO, most of which they never actually took to court), as a Developers Certificate of Origin. It is used to...
Extract a dplyr tbl column as a vector
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This seems the most versatile method as it works identically with vectors and data.frames, i.e. it enables functions to be more agnostic.
– geotheory
Mar 14 '17 at 10:03
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Can we delete an SMS in Android before it reaches the inbox?
...e number verification, services which are provisioned via SMS (though generally this should be done with data SMS), or for applications which otherwise improve the user experience by processing specially-formatted messages in order to show them in a nice Android-specific UI.
As of Android 1.6, inco...
What does $(function() {} ); do?
Sometimes I make a function and call the function later.
5 Answers
5
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REST API - why use PUT DELETE POST GET?
...rough some articles on creating REST API's.
And some of them suggest using all types of HTTP requests: like PUT DELETE POST GET .
We would create for example index.php and write API this way:
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CSS Display an Image Resized and Cropped
...elative on the containing div. If you don't, I've found that IE won't actually clip the image.
– Frank Schwieterman
Jun 26 '09 at 22:56
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How to sort an array of integers correctly
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By default, the sort method sorts elements alphabetically. To sort numerically just add a new method which handles numeric sorts (sortNumber, shown below) -
var numArray = [140000, 104, 99];
numArray.sort(function(a, b) {
return a - b;
});
console.log(numArray);
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Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
...able of a class with the mutable keyword. As far as I can see it simply allows you to modify a variable in a const method:
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Groovy / grails how to determine a data type?
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To determine the class of an object simply call:
someObject.getClass()
You can abbreviate this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even thou...
Rails Observer Alternatives for 4.0
With Observers officially removed from Rails 4.0 , I'm curious what other developers are using in their place. (Other than using the extracted gem.) While Observers were certainly abused and could easily become unwieldily at times, there were many use-cases outside of just cache-clearing where they...