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In Java, is there a way to write a string literal without having to escape quotes?
...= "using `backticks` instead of quotes".replace('`', '"');
I mainly only do something like that for a static field. Since it's static the string-replace code gets called once, upon initialization of the class. So the runtime performance penalty is practically nonexistent, and it makes the code con...
Long press on UITableView
...n a UITableViewCell to print a "quick access menu".
Did someone already do this?
10 Answers
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OSX - How to auto Close Terminal window after the “exit” command executed.
When I'm done with Terminal, I want to exit it. Right now, I have three options:
14 Answers
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Overflow Scroll css is not working in the div
...ow-y:scroll;
position:relative;
height: 300px;
}
JSFIDDLE
From documentation:
overflow-y
The overflow-y CSS property specifies whether to clip content, render a scroll bar, or display overflow content of a block-level element, when it overflows at the top and bottom edges.
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How can I set focus on an element in an HTML form using JavaScript?
I have a web form with a text box in it. How do I go about setting focus to the text box by default?
9 Answers
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Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
....labelTitle{
label.text = "This is a title"
}
You will still have to do some debugging to see why you are getting a nil value there though.
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How to strip all non-alphabetic characters from string in SQL Server?
...line Scalar Functions have great difficulty in beating Row-By-Row. Nicely done. I've also been using your "Initial Caps" function, which has the same basic form, for a couple of years, now.
– Jeff Moden
Jul 7 '12 at 14:38
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Check that an email address is valid on iOS [duplicate]
...s you to compile and test against a regular expression directly.
iOS 3.x
Does not include the NSRegularExpression class, but does include NSPredicate, which can match against regular expressions.
NSString *emailRegex = ...;
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES ...
What does “not run” mean in R help pages?
...
the help page can markup parts of the examples for two exception
rules
'dontrun' encloses code that should not be run.
'dontshow' encloses code that is invisible on help pages, but will
be run both by the package checking tools, and the
'example()' function. This was previously 'testonly', and...
Float vs Decimal in ActiveRecord
...d decimals in Float exactly.
That's why there is a Decimal format. If you do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.10000000000000000555111512312578270211815834045" # not "0.1"!
whereas if you just do
irb:002:0> (1.0/10).to_s
=> "0.1" # the interprer rounds the number for you
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