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Open link in new tab or window [duplicate]
... tag.
For example:
<a target="_blank" rel="noopener noreferrer" href="http://your_url_here.html">Link</a>
Adding rel="noopener noreferrer" is not mandatory, but it's a recommended security measure. More information can be found in the links below.
Source:
MDN | HTML element <...
What does rake db:test:prepare actually do?
...it first checks for pending migrations and warns
you appropriately.
-- http://guides.rubyonrails.org/testing.html
Basically it handles cloning the database so you don't have to run the migrations against test to update the test database.
...
Working with huge files in VIM
...~2GB) file in VIM but it choked. I don't actually need to edit the file, just jump around efficiently.
10 Answers
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How to hide elements without having them take space on the page?
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How can I scale the content of an iframe?
... I tested with:
<div class="wrap">
<iframe class="frame" src="http://time.is"></iframe>
</div>
<div class="wrap">
<iframe class="frame" src="http://apple.com"></iframe>
</div>
http://jsfiddle.net/esassaman/PnWFY/
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DynamoDB vs MongoDB NoSQL [closed]
... this website, that has many comparison pages, eg AWS DynamoDB vs MongoDB; http://db-engines.com/en/system/Amazon+DynamoDB%3BMongoDB
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jQuery: Difference between position() and offset()
..., for implementing drag-and-drop), .offset() is the more useful.
Source: http://api.jquery.com/offset/
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How to capture the “virtual keyboard show/hide” event in Android?
...o framework support for that.
This is a good answer on this exact question https://stackoverflow.com/a/36259261/372076. Alternatively, here's a page giving some different approaches to achieve this pre Android 11:
https://developer.salesforce.com/docs/atlas.en-us.noversion.service_sdk_android.meta/s...
Calling a function from a string in C#
...tire expression string which contains (nested!) functions, consider NCalc (http://ncalc.codeplex.com/ and nuget)
Ex. slightly modified from the project documentation:
// the expression to evaluate, e.g. from user input (like a calculator program, hint hint college students)
var exprStr = "10 + MyF...
Understanding Python super() with __init__() methods [duplicate]
...ng to the base class explicitly, which can be nice. But the main advantage comes with multiple inheritance, where all sorts of fun stuff can happen. See the standard docs on super if you haven't already.
Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of supe...