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What are the Differences Between “php artisan dump-autoload” and “composer dump-autoload”?

I am pretty new to Laravel 4 and Composer. While I do Laravel 4 tutorials, I couldn't understand the difference between those two commands; php artisan dump-autoload and composer dump-autoload What's the difference between them? ...
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How to get a vertical geom_vline to an x-axis of class date?

Even though I found Hadley's post in the google group on POSIXct and geom_vline , I could not get it done. I have a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line ...
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Coroutine vs Continuation vs Generator

What is the difference between a coroutine and a continuation and a generator ? 3 Answers ...
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Smart way to truncate long strings

...more sophisticated solution/library for truncating strings with JavaScript and putting an ellipsis on the end, than the obvious one: ...
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Difference between a clickable ImageView and ImageButton

...utton.onSetAlpha() method always returns false, scaleType is set to center and it's always inflated as focusable. Here's ImageButton's default style: <style name="Widget.ImageButton"> <item name="android:focusable">true</item> <item name="android:clickable">true&...
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Is explicitly closing files important?

... Python aren't guaranteed to work this way. For example IronPython, PyPy, and Jython don't use reference counting and therefore won't close the file at the end of the loop. It's bad practice to rely on CPython's garbage collection implementation because it makes your code less portable. You might...
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A html space is showing as %2520 instead of %20

... as %25. The way you get %2520 is when your url already has a %20 in it, and gets urlencoded again, which transforms the %20 to %2520. Are you (or any framework you might be using) double encoding characters? Edit: Expanding a bit on this, especially for LOCAL links. Assuming you want to link t...
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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?

... @blub: If you create a unique key on geb and topic it will work (ALTER TABLE table ADD UNIQUE geb_by_topic (geb, topic)). – chaos Aug 2 '09 at 13:43 ...
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How do I *really* justify a horizontal menu in HTML+CSS?

... In this instance, you would just set the parent element's display to flex and then change the justify-content property to either space-between or space-around in order to add space between or around the children flexbox items. Using justify-content: space-between - (example here): ul { l...
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Scatter plot and Color mapping in Python

I have a range of points x and y stored in numpy arrays. Those represent x(t) and y(t) where t=0...T-1 3 Answers ...