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Media Queries - In between two widths
...ying to use CSS3 media queries to make a class that only appears when the width is greater than 400px and less than 900px. I know this is probably extremely simple and I am missing something obvious, but I can't figure it out. What I have come up with is the below code, appreciate any help.
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Java JUnit: The method X is ambiguous for type Y
...ouble, double) both of which could be called, thanks to autoboxing.
To avoid the ambiguity, make sure that you either call assertEquals(Object, Object) (by passing two Doubles) or assertEquals(double, double) (by passing two doubles).
So, in your case, you should use:
assertEquals(Double.valueOf...
Are static fields open for garbage collection?
...arbage collected. The exception is String pool.
So before you suddenly decide to do
private static MyGiantClass myGiantObject = new MyGiantClass()
Think twice as I have learnt the hard way.
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invalid command code ., despite escaping periods, using sed
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If you spent 10 min like I did finding the difference, it is -e option
– acheron55
May 7 '14 at 15:18
9
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Get time difference between two dates in seconds
...etTime() method for the Date objects, and then simply subtract them and divide by 1000 (since it's originally in milliseconds). As an extra, when you're calling the getDate() method, you're in fact getting the day of the month as an integer between 1 and 31 (not zero based) as opposed to the epoch t...
Increase distance between text and title on the y-axis
...the numbers. Set the values of the margin on top, right, bottom, and left side of the element.
ggplot(mpg, aes(cty, hwy)) + geom_point()+
theme(axis.title.y = element_text(margin = margin(t = 0, r = 20, b = 0, l = 0)))
margin can also be used for other element_text elements (see ?theme), such...
Case insensitive access for generic dictionary
... Well, it depends on the behaviour you want. If the user is providing the key via the UI (or if you need to consider e.g. ss and ß equal) then you'll need to use a different culture, but given that the value is being used as the key for a hashmap coming from an external dependency, I thi...
Why do table names in SQL Server start with “dbo”?
...ied name, though there is a slight performance gain in doing so and is considered a best practice. "
– Carl G
Oct 9 '12 at 16:33
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How do I install an old version of Django on virtualenv?
This may sound like a stupid question, since the very purpose of virtualenv is to this exactly: Installing some specific version of a package (in this case Django) inside the virtual environment. But it's exactly what I want to do, and I can't figure it out.
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