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Split an NSString to access one particular piece
...s. It's pretty much as simple:
let substrings = "10/04/2011".split(separator: "/")
let firstBit = substrings[0]
Although note that it gives you an array of Substring. If you need to convert these back to ordinary strings, use map
let strings = "10/04/2011".split(separator: "/").map{ String($0) }...
How can I implode an array while skipping empty array items?
Perl's join() ignores (skips) empty array values; PHP's implode() does not appear to.
9 Answers
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If isset $_POST
I have a form on one page that submits to another page. There, it checks if the input mail is filled. If so then do something and if it is not filled, do something else. I don't understand why it always says that it is set, even if I send an empty form. What is missing or wrong?
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Coloring white space in git-diff's output
Regarding code formatting I'm kind of purist :). I very often remove unnecessary white spaces (lines with only ws, ws at the end of lines etc). I even have set vim to show that kind of lines colored to red.
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Any decent text diff/merge engine for .NET? [closed]
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You can grab the COM component that uses Google's Diff/Patch/Match. It works from .NET.
Update, 2010 Oct 17: The Google Diff/Patch/Merge code has been ported to C#. The COM component still works, but if you're coming from .NET, you'll wanna use the .NET port directly.
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Back to previous page with header( “Location: ” ); in PHP
...question kind of explains my question. How do I redirect the PHP page visitor back to their previous page with the header( "Location: URL of previous page" );
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Android: integer from xml resource
How do I have to modify my XML resources, or what XML file do I have to create, to access integer values in the same way you access string values with R.string.some_string_resource ?
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How does an underscore in front of a variable in a cocoa objective-c class work?
I've seen in a few iPhone examples that attributes have used an underscore _ in front of the variable. Does anyone know what this means? Or how it works?
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Prevent row names to be written to file when using write.csv
...r the row names of
‘x’ are to be written along with ‘x’, or a character vector
of row names to be written.
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What is the Haskell response to Node.js?
...oes non-blocking I/O natively and has ways to scale deployments easily to more than one processor (something not even built-in in Node.js). More details at http://journal.dedasys.com/2010/04/29/erlang-vs-node-js and Node.js or Erlang
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