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Use Font Awesome Icons in CSS

...nt it, without having to add all kinds of messy extra mark-up. Be sure to set position:relative on your actual text wrapper for the positioning to work. .mytextwithicon { position:relative; } .mytextwithicon:before { content: "\25AE"; /* this is your text. You can also use UTF-8 chara...
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Do I need to explicitly call the base virtual destructor?

...ase derived::derived base::~base Press any key to continue . . . If you set the base class destructor as virtual which one should, then case 3 results would be same as case 1 & 2. share | imp...
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Ruby: How to iterate over a range, but in set increments?

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
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How can I delete a newline if it is the last character in a file?

...handled in the END block, where it is printed without a trailing \n due to setting the output-record separator (OFS) to an empty string. If you want a verbose, but fast and robust solution that truly edits in-place (as opposed to creating a temp. file that then replaces the original), consider jroc...
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How to make an alert dialog fill 90% of screen size?

... platform developer Dianne Hackborn in this discussion group post, Dialogs set their Window's top level layout width and height to WRAP_CONTENT. To make the Dialog bigger, you can set those parameters to MATCH_PARENT. Demo code: AlertDialog.Builder adb = new AlertDialog.Builder(this); Dia...
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How to create a MySQL hierarchical recursive query

....id ) select * from cte; The value specified in parent_id = 19 should be set to the id of the parent you want to select all the descendants of. MySQL 5.x For MySQL versions that do not support Common Table Expressions (up to version 5.7), you would achieve this with the following query: select ...
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Generate random 5 characters string

...sions since it's incremental): function incrementalHash($len = 5){ $charset = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; $base = strlen($charset); $result = ''; $now = explode(' ', microtime())[1]; while ($now >= $base){ $i = $now % $base; $result = $cha...
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JUnit test with dynamic number of tests

...hod params, not class fields less code - you don't need a constructor to set up parameters you can mix parametrised with non-parametrised methods in one class params can be passed as a CSV string or from a parameters provider class parameters provider class can have as many parameters provid...
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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java

...l objects in Java are descendant from java.lang.Object, but primitives are set apart and, presently*, not extensible by a programmer. Note also that primitives have "operators", not methods. In Scala, on the other hand, everything is an object, all objects belong to a class, and they interact throu...
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How do I step out of a loop with Ruby Pry?

I'm using Pry with my Rails application. I set binding.pry inside a loop in my model to try and debug a problem. For example: ...