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“unary operator expected” error in Bash if condition
...ket version [ ... ]. Inside a [[ ... ]] compound, word-splitting and pathname expansion are not applied to words, so you can rely on
if [[ $aug1 == "and" ]];
to compare the value of $aug1 with the string and.
If you use [ ... ], you always need to remember to double quote variables like this:
i...
Android Studio needs JDK 7 for Android-L mac
...and I would like to use the new cards lib.
My Problem is, that it's giving me this error within my gradle file and I need to fix that.
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Absolute vs relative URLs
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+1 I agree. There might be (a few) times when absolute urls are better, for instance when using a CDN, or if you need to change the content website. Searching for a domain name is a lot easier than searching for relative urls IMHO.
– Sune R...
Rails: How can I set default values in ActiveRecord?
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There are several issues with each of the available methods, but I believe that defining an after_initialize callback is the way to go for the following reasons:
default_scope will initialize values for new models, but then that will become the scope on which you find the mo...
Entity Framework Join 3 Tables
I'm trying to join three tables but I can't understand the method...
2 Answers
2
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push_back vs emplace_back
...&...);
Instead of taking a value_type it takes a variadic list of arguments, so that means that you can now perfectly forward the arguments and construct directly an object into a container without a temporary at all.
That's useful because no matter how much cleverness RVO and move semantic b...
How to add spacing between UITableViewCell
...ide func layoutSubviews() {
super.layoutSubviews()
contentView.frame = contentView.frame.inset(by: UIEdgeInsets(top: 10, left: 10, bottom: 10, right: 10))
}
Result
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What is the difference between GitHub and gist?
...is the entire site. Gists are a particular service offered on that site, namely code snippets akin to pastebin. However, everything is driven by git revision control, so gists also have complete revision histories.
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Android Center text on canvas
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Great answer. For me I used the following as I needed to center the text horizontally fully rather than the text to start at the center position: int xPos = (Width - textPaint.TextSize * Math.Abs(_text.Length / 2)) / 2; Not sure if there's a ...
Vim: Creating parent directories on save
If I invoke vim foo/bar/somefile but foo/bar don't already exist, Vim refuses to save.
6 Answers
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