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Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error
... target. Normally Xcode does this for you, but sometimes it loses the plot and you need to add the .m file manually.
To do this:
TargetSettings -> Build Phases -> Compile Sources -> add your .m class ->Build and Run
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How to remove extension from string (only real extension!)
...d be improved using something such as array-walk
– CrandellWS
Feb 3 '15 at 16:10
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Deleting all records in a database table
...ll.
Post.delete_all
or with a criteria
Post.delete_all "person_id = 5 AND (category = 'Something' OR category = 'Else')"
See here for more information.
The records are deleted without loading them first which makes it very fast but will break functionality like counter cache that depends on ...
ASP.NET MVC Html.ValidationSummary(true) does not display model errors
...tionSummary. I don't want to display property errors in ValidationSummary. And when I set Html.ValidationSummary(true) it does not display error messages from ModelState. When there is some Exception in controller action on string
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Can Flask have optional URL parameters?
...d, username):
pass
But I guess that you want to write a single route and mark username as optional? If that's the case, I don't think it's possible.
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Prevent Default on Form Submit jQuery
...alid variable to true or false? Can you recreate your code in jsfiddle.net and send the link? Try adding an alert() to confirm that the function is firing. Some people have reported that adding e.stopPropagation(); after e.preventDefault(); stops other chained events from firing.
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.NET - Get protocol, host, and port
Is there a simple way in .NET to quickly get the current protocol, host, and port? For example, if I'm on the following URL:
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Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
... to get rid of extraneous annotations with the help of Java8 compiler flag and a Jackson module. I've tested the approach and it works.
– quantum
Sep 21 '15 at 17:46
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Python csv string to array
Anyone know of a simple library or function to parse a csv encoded string and turn it into an array or dictionary?
10 Answe...
Cannot find Dumpbin.exe
...em. I have Visual Studio 2005 on my system. When I type dumpbin on the command line, it says unrecognizable command.
9 Answ...