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How to plot two histograms together in R?

... default "stack" argument. You might miss that if you don't really have an idea of what your data should look like. A higher alpha looks better there. Also note that I made it density histograms. It's easy to remove the y = ..density.. to get it back to counts. ggplot(vegLengths, aes(length, fill =...
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How to remove the arrow from a select element in Firefox

...e ugly firefox select arrow, followed by your nice custom looking one. Not ideal. Now to get this going in firefox, add a span element around with the class 'css-select-moz': <span class='css-select-moz'> <select class='css-select'> <option value='1'> First optio...
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Make sure only a single instance of a program is running

...case AF_UNIX socket file still present after this and this destroys whole idea. Solution above with acquiring lock on specific filename is much reliable in this case. – Danylo Gurianov Nov 12 '13 at 13:02 ...
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Setting “checked” for a checkbox with jQuery

...ing easier without the type conversion. Esp from disparate databases with 'ideas' about what "true" is. Fiddle: jsfiddle.net/Cyberjetx/vcp96 – Joe Johnston Mar 4 '14 at 3:59 ...
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What is javax.inject.Named annotation supposed to be used for?

...nnotation is supposed to be used for. The Javadoc does not explain the the idea behind it. 4 Answers ...
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Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]

... This is a really bad idea. Sooner or later you will want to use your name in a programming language that doesn't support hyphens in variable names (basically all of them), and then BOOM! Idiotic renaming rules. – Timmmm ...
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Stack, Static, and Heap in C++

... ... The idea of them "meeting somewhere in the middle" is also not accurate on modern platforms. This was true of an old DOS .com program, but not in most other uses, where a stack has a fixed maximum size that does not overlap othe...
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How to get distinct values for non-key column fields in Laravel?

This might be quite easy but have no idea how to. 12 Answers 12 ...
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Eclipse Android and gitignore

...enerated by Eclipse proguard/ # Intellij project files *.iml *.ipr *.iws .idea/ From Gitignore on github share | improve this answer | follow | ...
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What's the difference between django OneToOneField and ForeignKey?

...ignKey. The following is the full code which can be used to implement the idea of our boss. from django.db import models # Create your models here. class Reporter(models.Model): first_name = models.CharField(max_length=30) def __unicode__(self): return self.first_name class Ar...