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remove legend title in ggplot
... all legend titles. For more local control, the guide = guide_legend() command works. To remove the fill legend title, but to keep the color legend title, e.g. scale_fill_brewer(palette = "Dark2", guide = guide_legend(title = NULL)) + scale_color_manual(values = c("blue", "white", "red"))
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changing source on html5 video tag
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This was the cleanest and most efficient for me.
– Phil McCarty
Apr 8 '14 at 17:15
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How to change options of with jQuery?
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You can remove the existing options by using the empty method, and then add your new options:
var option = $('<option></option>').attr("value", "option value").text("Text");
$("#selectId").empty().append(option);
If you have your new options in an object you can:
var newO...
Check if null Boolean is true results in exception
...r null as any other object.
In your particular case, your Boolean is null and the if statement triggers an implicit conversion to boolean that produces the NullPointerException. You may need instead:
if(bool != null && bool) { ... }
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Cross field validation with Hibernate Validator (JSR 303)
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Each field constraint should be handled by a distinct validator annotation, or in other words it's not suggested practice to have one field's validation annotation checking against other fields; cross-field validation should be done at the class level. Addit...
How do I use variables in Oracle SQL Developer?
...is page in section 2.4 talks about the difference between the single ampersand (&) and double ampersand (&&)
– Baodad
May 13 '14 at 23:03
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Django 1.7 - makemigrations not detecting changes
...ion does not make it obvious that you need to add the app label to the command, as the first thing it tells you to do is python manage.py makemigrations which will fail. The initial migration is done when you create your app in version 1.7, but if you came from 1.6 it wouldn't have been carried out....
Good ways to sort a queryset? - Django
...ered = sorted(auths, key=operator.attrgetter('last_name'))
In Django 1.4 and newer you can order by providing multiple fields.
Reference: https://docs.djangoproject.com/en/dev/ref/models/querysets/#order-by
order_by(*fields)
By default, results returned by a QuerySet are ordered by the ordering ...
maven-dependency-plugin (goals “copy-dependencies”, “unpack”) is not supported by m2e
...06462
In Eclipse/Preferences/Maven/Lifecycle Mappings browse to this file and click OK:
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Do a “git export” (like “svn export”)?
...st way to achieve this is with git archive. If you really need just the expanded tree you can do something like this.
git archive master | tar -x -C /somewhere/else
Most of the time that I need to 'export' something from git, I want a compressed archive in any case so I do something like this.
g...